Add m-esr52 at 52.6.0

author: Matt A. Tobin <mattatobin@localhost.localdomain> 2018-02-02 04:16:08 -0500
committer: Matt A. Tobin <mattatobin@localhost.localdomain> 2018-02-02 04:16:08 -0500
commit: 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree: 10027f336435511475e392454359edea8e25895d /testing/web-platform/tests/tools/html5lib
parent: 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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191 files changed, 102955 insertions, 0 deletions
diff --git a/testing/web-platform/tests/tools/html5lib/.gitignore b/testing/web-platform/tests/tools/html5lib/.gitignore
new file mode 100644
index 000000000..73d97fec0
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/.gitignore
@@ -0,0 +1,20 @@
+# Because we never want compiled Python
+__pycache__/
+*.pyc
+
+# Ignore stuff produced by distutils
+/build/
+/dist/
+/MANIFEST
+
+# Generated by parse.py -p
+stats.prof
+
+# From cover (esp. in combination with nose)
+.coverage
+
+# Because tox's data is inherently local
+/.tox/
+
+# We have no interest in built Sphinx files
+/doc/_build
diff --git a/testing/web-platform/tests/tools/html5lib/.gitmodules b/testing/web-platform/tests/tools/html5lib/.gitmodules
new file mode 100644
index 000000000..dbca47032
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "testdata"]
+	path = html5lib/tests/testdata
+	url = https://github.com/html5lib/html5lib-tests.git
diff --git a/testing/web-platform/tests/tools/html5lib/.travis.yml b/testing/web-platform/tests/tools/html5lib/.travis.yml
new file mode 100644
index 000000000..dd3130019
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/.travis.yml
@@ -0,0 +1,37 @@
+language: python
+python:
+  - "2.6"
+  - "2.7"
+  - "3.2"
+  - "3.3"
+  - "3.4"
+  - "pypy"
+
+env:
+  - USE_OPTIONAL=true
+  - USE_OPTIONAL=false
+
+matrix:
+  exclude:
+    - python: "2.7"
+      env: USE_OPTIONAL=false
+    - python: "3.4"
+      env: USE_OPTIONAL=false
+  include:
+    - python: "2.7"
+      env: USE_OPTIONAL=false FLAKE=true
+    - python: "3.4"
+      env: USE_OPTIONAL=false FLAKE=true
+
+before_install:
+  - git submodule update --init --recursive
+
+install:
+  - bash requirements-install.sh
+
+script:
+  - nosetests
+  - bash flake8-run.sh
+
+after_script:
+  - python debug-info.py
diff --git a/testing/web-platform/tests/tools/html5lib/AUTHORS.rst b/testing/web-platform/tests/tools/html5lib/AUTHORS.rst
new file mode 100644
index 000000000..4148a6ed2
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/AUTHORS.rst
@@ -0,0 +1,34 @@
+Credits
+=======
+
+``html5lib`` is written and maintained by:
+
+- James Graham
+- Geoffrey Sneddon
+- Łukasz Langa
+
+
+Patches and suggestions
+-----------------------
+(In chronological order, by first commit:)
+
+- Anne van Kesteren
+- Lachlan Hunt
+- lantis63
+- Sam Ruby
+- Tim Fletcher
+- Thomas Broyer
+- Mark Pilgrim
+- Philip Taylor
+- Ryan King
+- Edward Z. Yang
+- fantasai
+- Philip Jägenstedt
+- Ms2ger
+- Andy Wingo
+- Andreas Madsack
+- Karim Valiev
+- Mohammad Taha Jahangir
+- Juan Carlos Garcia Segovia
+- Mike West
+- Marc DM
diff --git a/testing/web-platform/tests/tools/html5lib/CHANGES.rst b/testing/web-platform/tests/tools/html5lib/CHANGES.rst
new file mode 100644
index 000000000..1431b3c9b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/CHANGES.rst
@@ -0,0 +1,171 @@
+Change Log
+----------
+
+0.9999
+~~~~~~
+
+Released on XXX, 2014
+
+* XXX
+
+
+0.999
+~~~~~
+
+Released on December 23, 2013
+
+* Fix #127: add work-around for CPython issue #20007: .read(0) on
+  http.client.HTTPResponse drops the rest of the content.
+
+* Fix #115: lxml treewalker can now deal with fragments containing, at
+  their root level, text nodes with non-ASCII characters on Python 2.
+
+
+0.99
+~~~~
+
+Released on September 10, 2013
+
+* No library changes from 1.0b3; released as 0.99 as pip has changed
+  behaviour from 1.4 to avoid installing pre-release versions per
+  PEP 440.
+
+
+1.0b3
+~~~~~
+
+Released on July 24, 2013
+
+* Removed ``RecursiveTreeWalker`` from ``treewalkers._base``. Any
+  implementation using it should be moved to
+  ``NonRecursiveTreeWalker``, as everything bundled with html5lib has
+  for years.
+
+* Fix #67 so that ``BufferedStream`` to correctly returns a bytes
+  object, thereby fixing any case where html5lib is passed a
+  non-seekable RawIOBase-like object.
+
+
+1.0b2
+~~~~~
+
+Released on June 27, 2013
+
+* Removed reordering of attributes within the serializer. There is now
+  an ``alphabetical_attributes`` option which preserves the previous
+  behaviour through a new filter. This allows attribute order to be
+  preserved through html5lib if the tree builder preserves order.
+
+* Removed ``dom2sax`` from DOM treebuilders. It has been replaced by
+  ``treeadapters.sax.to_sax`` which is generic and supports any
+  treewalker; it also resolves all known bugs with ``dom2sax``.
+
+* Fix treewalker assertions on hitting bytes strings on
+  Python 2. Previous to 1.0b1, treewalkers coped with mixed
+  bytes/unicode data on Python 2; this reintroduces this prior
+  behaviour on Python 2. Behaviour is unchanged on Python 3.
+
+
+1.0b1
+~~~~~
+
+Released on May 17, 2013
+
+* Implementation updated to implement the `HTML specification
+  <http://www.whatwg.org/specs/web-apps/current-work/>`_ as of 5th May
+  2013 (`SVN <http://svn.whatwg.org/webapps/>`_ revision r7867).
+
+* Python 3.2+ supported in a single codebase using the ``six`` library.
+
+* Removed support for Python 2.5 and older.
+
+* Removed the deprecated Beautiful Soup 3 treebuilder.
+  ``beautifulsoup4`` can use ``html5lib`` as a parser instead. Note that
+  since it doesn't support namespaces, foreign content like SVG and
+  MathML is parsed incorrectly.
+
+* Removed ``simpletree`` from the package. The default tree builder is
+  now ``etree`` (using the ``xml.etree.cElementTree`` implementation if
+  available, and ``xml.etree.ElementTree`` otherwise).
+
+* Removed the ``XHTMLSerializer`` as it never actually guaranteed its
+  output was well-formed XML, and hence provided little of use.
+
+* Removed default DOM treebuilder, so ``html5lib.treebuilders.dom`` is no
+  longer supported. ``html5lib.treebuilders.getTreeBuilder("dom")`` will
+  return the default DOM treebuilder, which uses ``xml.dom.minidom``.
+
+* Optional heuristic character encoding detection now based on
+  ``charade`` for Python 2.6 - 3.3 compatibility.
+
+* Optional ``Genshi`` treewalker support fixed.
+
+* Many bugfixes, including:
+
+  * #33: null in attribute value breaks XML AttValue;
+
+  * #4: nested, indirect descendant, <button> causes infinite loop;
+
+  * `Google Code 215
+    <http://code.google.com/p/html5lib/issues/detail?id=215>`_: Properly
+    detect seekable streams;
+
+  * `Google Code 206
+    <http://code.google.com/p/html5lib/issues/detail?id=206>`_: add
+    support for <video preload=...>, <audio preload=...>;
+
+  * `Google Code 205
+    <http://code.google.com/p/html5lib/issues/detail?id=205>`_: add
+    support for <video poster=...>;
+
+  * `Google Code 202
+    <http://code.google.com/p/html5lib/issues/detail?id=202>`_: Unicode
+    file breaks InputStream.
+
+* Source code is now mostly PEP 8 compliant.
+
+* Test harness has been improved and now depends on ``nose``.
+
+* Documentation updated and moved to http://html5lib.readthedocs.org/.
+
+
+0.95
+~~~~
+
+Released on February 11, 2012
+
+
+0.90
+~~~~
+
+Released on January 17, 2010
+
+
+0.11.1
+~~~~~~
+
+Released on June 12, 2008
+
+
+0.11
+~~~~
+
+Released on June 10, 2008
+
+
+0.10
+~~~~
+
+Released on October 7, 2007
+
+
+0.9
+~~~
+
+Released on March 11, 2007
+
+
+0.2
+~~~
+
+Released on January 8, 2007
diff --git a/testing/web-platform/tests/tools/html5lib/CONTRIBUTING.rst b/testing/web-platform/tests/tools/html5lib/CONTRIBUTING.rst
new file mode 100644
index 000000000..8c5e19853
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/CONTRIBUTING.rst
@@ -0,0 +1,60 @@
+Contributing
+============
+
+Pull requests are more than welcome — both to the library and to the
+documentation. Some useful information:
+
+- We aim to follow PEP 8 in the library, but ignoring the
+  79-character-per-line limit, instead following a soft limit of 99,
+  but allowing lines over this where it is the readable thing to do.
+
+- We aim to follow PEP 257 for all docstrings, and make them properly
+  parseable by Sphinx while generating API documentation.
+
+- We keep ``pyflakes`` reporting no errors or warnings at all times.
+
+- We keep the master branch passing all tests at all times on all
+  supported versions.
+
+`Travis CI <https://travis-ci.org/html5lib/html5lib-python/>`_ is run
+against all pull requests and should enforce all of the above.
+
+We use `Opera Critic <https://critic.hoppipolla.co.uk/>`_ as an external
+code-review tool, which uses your GitHub login to authenticate.  You'll
+get email notifications for issues raised in the review.
+
+
+Patch submission guidelines
+---------------------------
+
+- **Create a new Git branch specific to your change.** Do not put
+  multiple fixes/features in the same pull request. If you find an
+  unrelated bug, create a distinct branch and submit a separate pull
+  request for the bugfix. This makes life much easier for maintainers
+  and will speed up merging your patches.
+
+- **Write a test** whenever possible. Following existing tests is often
+  easiest, and a good way to tell whether the feature you're modifying
+  is easily testable.
+
+- **Make sure documentation is updated.** Keep docstrings current, and
+  if necessary, update the Sphinx documentation in ``doc/``.
+
+- **Add a changelog entry** at the top of ``CHANGES.rst`` following
+  existing entries' styles.
+
+- **Run tests with tox** if possible, to make sure your changes are
+  compatible with all supported Python versions.
+
+- **Squash commits** before submitting the pull request so that a single
+  commit contains the entire change, and only that change (see the first
+  bullet).
+
+- **Don't rebase after creating the pull request.** Merge with upstream,
+  if necessary, and use ``git commit --fixup`` for fixing issues raised
+  in a Critic review or by a failing Travis build. The reviewer will
+  squash and rebase your pull request while accepting it. Even though
+  GitHub won't recognize the pull request as accepted, the squashed
+  commits will properly specify you as the author.
+
+- **Attribute yourself** in ``AUTHORS.rst``.
diff --git a/testing/web-platform/tests/tools/html5lib/LICENSE b/testing/web-platform/tests/tools/html5lib/LICENSE
new file mode 100644
index 000000000..c87fa7a00
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2006-2013 James Graham and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/testing/web-platform/tests/tools/html5lib/MANIFEST.in b/testing/web-platform/tests/tools/html5lib/MANIFEST.in
new file mode 100644
index 000000000..1edd0b7de
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/MANIFEST.in
@@ -0,0 +1,6 @@
+include LICENSE
+include CHANGES.rst
+include README.rst
+include requirements*.txt
+graft html5lib/tests/testdata
+recursive-include html5lib/tests *.py
diff --git a/testing/web-platform/tests/tools/html5lib/README.rst b/testing/web-platform/tests/tools/html5lib/README.rst
new file mode 100644
index 000000000..9e0a0f740
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/README.rst
@@ -0,0 +1,157 @@
+html5lib
+========
+
+.. image:: https://travis-ci.org/html5lib/html5lib-python.png?branch=master
+  :target: https://travis-ci.org/html5lib/html5lib-python
+
+html5lib is a pure-python library for parsing HTML. It is designed to
+conform to the WHATWG HTML specification, as is implemented by all major
+web browsers.
+
+
+Usage
+-----
+
+Simple usage follows this pattern:
+
+.. code-block:: python
+
+  import html5lib
+  with open("mydocument.html", "rb") as f:
+      document = html5lib.parse(f)
+
+or:
+
+.. code-block:: python
+
+  import html5lib
+  document = html5lib.parse("<p>Hello World!")
+
+By default, the ``document`` will be an ``xml.etree`` element instance.
+Whenever possible, html5lib chooses the accelerated ``ElementTree``
+implementation (i.e. ``xml.etree.cElementTree`` on Python 2.x).
+
+Two other tree types are supported: ``xml.dom.minidom`` and
+``lxml.etree``. To use an alternative format, specify the name of
+a treebuilder:
+
+.. code-block:: python
+
+  import html5lib
+  with open("mydocument.html", "rb") as f:
+      lxml_etree_document = html5lib.parse(f, treebuilder="lxml")
+
+When using with ``urllib2`` (Python 2), the charset from HTTP should be
+pass into html5lib as follows:
+
+.. code-block:: python
+
+  from contextlib import closing
+  from urllib2 import urlopen
+  import html5lib
+
+  with closing(urlopen("http://example.com/")) as f:
+      document = html5lib.parse(f, encoding=f.info().getparam("charset"))
+
+When using with ``urllib.request`` (Python 3), the charset from HTTP
+should be pass into html5lib as follows:
+
+.. code-block:: python
+
+  from urllib.request import urlopen
+  import html5lib
+
+  with urlopen("http://example.com/") as f:
+      document = html5lib.parse(f, encoding=f.info().get_content_charset())
+
+To have more control over the parser, create a parser object explicitly.
+For instance, to make the parser raise exceptions on parse errors, use:
+
+.. code-block:: python
+
+  import html5lib
+  with open("mydocument.html", "rb") as f:
+      parser = html5lib.HTMLParser(strict=True)
+      document = parser.parse(f)
+
+When you're instantiating parser objects explicitly, pass a treebuilder
+class as the ``tree`` keyword argument to use an alternative document
+format:
+
+.. code-block:: python
+
+  import html5lib
+  parser = html5lib.HTMLParser(tree=html5lib.getTreeBuilder("dom"))
+  minidom_document = parser.parse("<p>Hello World!")
+
+More documentation is available at http://html5lib.readthedocs.org/.
+
+
+Installation
+------------
+
+html5lib works on CPython 2.6+, CPython 3.2+ and PyPy.  To install it,
+use:
+
+.. code-block:: bash
+
+    $ pip install html5lib
+
+
+Optional Dependencies
+---------------------
+
+The following third-party libraries may be used for additional
+functionality:
+
+- ``datrie`` can be used to improve parsing performance (though in
+  almost all cases the improvement is marginal);
+
+- ``lxml`` is supported as a tree format (for both building and
+  walking) under CPython (but *not* PyPy where it is known to cause
+  segfaults);
+
+- ``genshi`` has a treewalker (but not builder); and
+
+- ``charade`` can be used as a fallback when character encoding cannot
+  be determined; ``chardet``, from which it was forked, can also be used
+  on Python 2.
+
+- ``ordereddict`` can be used under Python 2.6
+  (``collections.OrderedDict`` is used instead on later versions) to
+  serialize attributes in alphabetical order.
+
+
+Bugs
+----
+
+Please report any bugs on the `issue tracker
+<https://github.com/html5lib/html5lib-python/issues>`_.
+
+
+Tests
+-----
+
+Unit tests require the ``nose`` library and can be run using the
+``nosetests`` command in the root directory; ``ordereddict`` is
+required under Python 2.6. All should pass.
+
+Test data are contained in a separate `html5lib-tests
+<https://github.com/html5lib/html5lib-tests>`_ repository and included
+as a submodule, thus for git checkouts they must be initialized::
+
+  $ git submodule init
+  $ git submodule update
+
+If you have all compatible Python implementations available on your
+system, you can run tests on all of them using the ``tox`` utility,
+which can be found on PyPI.
+
+
+Questions?
+----------
+
+There's a mailing list available for support on Google Groups,
+`html5lib-discuss <http://groups.google.com/group/html5lib-discuss>`_,
+though you may get a quicker response asking on IRC in `#whatwg on
+irc.freenode.net <http://wiki.whatwg.org/wiki/IRC>`_.
diff --git a/testing/web-platform/tests/tools/html5lib/debug-info.py b/testing/web-platform/tests/tools/html5lib/debug-info.py
new file mode 100644
index 000000000..b5d2bb6a3
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/debug-info.py
@@ -0,0 +1,37 @@
+from __future__ import print_function, unicode_literals
+
+import platform
+import sys
+
+
+info = {
+    "impl": platform.python_implementation(),
+    "version": platform.python_version(),
+    "revision": platform.python_revision(),
+    "maxunicode": sys.maxunicode,
+    "maxsize": sys.maxsize
+}
+
+search_modules = ["charade", "chardet", "datrie", "genshi", "html5lib", "lxml", "six"]
+found_modules = []
+
+for m in search_modules:
+    try:
+        __import__(m)
+    except ImportError:
+        pass
+    else:
+        found_modules.append(m)
+
+info["modules"] = ", ".join(found_modules)
+
+
+print("""html5lib debug info:
+
+Python %(version)s (revision: %(revision)s)
+Implementation: %(impl)s
+
+sys.maxunicode: %(maxunicode)X
+sys.maxsize: %(maxsize)X
+
+Installed modules: %(modules)s""" % info)
diff --git a/testing/web-platform/tests/tools/html5lib/doc/Makefile b/testing/web-platform/tests/tools/html5lib/doc/Makefile
new file mode 100644
index 000000000..e0e58667e
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/Makefile
@@ -0,0 +1,177 @@
+# Makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line.
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+PAPER         =
+BUILDDIR      = _build
+
+# User-friendly check for sphinx-build
+ifeq ($(shell which $(SPHINXBUILD) >/dev/null 2>&1; echo $$?), 1)
+$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
+endif
+
+# Internal variables.
+PAPEROPT_a4     = -D latex_paper_size=a4
+PAPEROPT_letter = -D latex_paper_size=letter
+ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+# the i18n builder cannot share the environment and doctrees with the others
+I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+
+.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest gettext
+
+help:
+	@echo "Please use \`make <target>' where <target> is one of"
+	@echo "  html       to make standalone HTML files"
+	@echo "  dirhtml    to make HTML files named index.html in directories"
+	@echo "  singlehtml to make a single large HTML file"
+	@echo "  pickle     to make pickle files"
+	@echo "  json       to make JSON files"
+	@echo "  htmlhelp   to make HTML files and a HTML help project"
+	@echo "  qthelp     to make HTML files and a qthelp project"
+	@echo "  devhelp    to make HTML files and a Devhelp project"
+	@echo "  epub       to make an epub"
+	@echo "  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
+	@echo "  latexpdf   to make LaTeX files and run them through pdflatex"
+	@echo "  latexpdfja to make LaTeX files and run them through platex/dvipdfmx"
+	@echo "  text       to make text files"
+	@echo "  man        to make manual pages"
+	@echo "  texinfo    to make Texinfo files"
+	@echo "  info       to make Texinfo files and run them through makeinfo"
+	@echo "  gettext    to make PO message catalogs"
+	@echo "  changes    to make an overview of all changed/added/deprecated items"
+	@echo "  xml        to make Docutils-native XML files"
+	@echo "  pseudoxml  to make pseudoxml-XML files for display purposes"
+	@echo "  linkcheck  to check all external links for integrity"
+	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
+
+clean:
+	rm -rf $(BUILDDIR)/*
+
+html:
+	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
+	@echo
+	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
+
+dirhtml:
+	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
+	@echo
+	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
+
+singlehtml:
+	$(SPHINXBUILD) -b singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
+	@echo
+	@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
+
+pickle:
+	$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
+	@echo
+	@echo "Build finished; now you can process the pickle files."
+
+json:
+	$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
+	@echo
+	@echo "Build finished; now you can process the JSON files."
+
+htmlhelp:
+	$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
+	@echo
+	@echo "Build finished; now you can run HTML Help Workshop with the" \
+	      ".hhp project file in $(BUILDDIR)/htmlhelp."
+
+qthelp:
+	$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
+	@echo
+	@echo "Build finished; now you can run "qcollectiongenerator" with the" \
+	      ".qhcp project file in $(BUILDDIR)/qthelp, like this:"
+	@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/html5lib.qhcp"
+	@echo "To view the help file:"
+	@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/html5lib.qhc"
+
+devhelp:
+	$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
+	@echo
+	@echo "Build finished."
+	@echo "To view the help file:"
+	@echo "# mkdir -p $$HOME/.local/share/devhelp/html5lib"
+	@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/html5lib"
+	@echo "# devhelp"
+
+epub:
+	$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
+	@echo
+	@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
+
+latex:
+	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
+	@echo
+	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
+	@echo "Run \`make' in that directory to run these through (pdf)latex" \
+	      "(use \`make latexpdf' here to do that automatically)."
+
+latexpdf:
+	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
+	@echo "Running LaTeX files through pdflatex..."
+	$(MAKE) -C $(BUILDDIR)/latex all-pdf
+	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
+
+latexpdfja:
+	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
+	@echo "Running LaTeX files through platex and dvipdfmx..."
+	$(MAKE) -C $(BUILDDIR)/latex all-pdf-ja
+	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
+
+text:
+	$(SPHINXBUILD) -b text $(ALLSPHINXOPTS) $(BUILDDIR)/text
+	@echo
+	@echo "Build finished. The text files are in $(BUILDDIR)/text."
+
+man:
+	$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
+	@echo
+	@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
+
+texinfo:
+	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
+	@echo
+	@echo "Build finished. The Texinfo files are in $(BUILDDIR)/texinfo."
+	@echo "Run \`make' in that directory to run these through makeinfo" \
+	      "(use \`make info' here to do that automatically)."
+
+info:
+	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
+	@echo "Running Texinfo files through makeinfo..."
+	make -C $(BUILDDIR)/texinfo info
+	@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
+
+gettext:
+	$(SPHINXBUILD) -b gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
+	@echo
+	@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
+
+changes:
+	$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
+	@echo
+	@echo "The overview file is in $(BUILDDIR)/changes."
+
+linkcheck:
+	$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
+	@echo
+	@echo "Link check complete; look for any errors in the above output " \
+	      "or in $(BUILDDIR)/linkcheck/output.txt."
+
+doctest:
+	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
+	@echo "Testing of doctests in the sources finished, look at the " \
+	      "results in $(BUILDDIR)/doctest/output.txt."
+
+xml:
+	$(SPHINXBUILD) -b xml $(ALLSPHINXOPTS) $(BUILDDIR)/xml
+	@echo
+	@echo "Build finished. The XML files are in $(BUILDDIR)/xml."
+
+pseudoxml:
+	$(SPHINXBUILD) -b pseudoxml $(ALLSPHINXOPTS) $(BUILDDIR)/pseudoxml
+	@echo
+	@echo "Build finished. The pseudo-XML files are in $(BUILDDIR)/pseudoxml."
diff --git a/testing/web-platform/tests/tools/html5lib/doc/changes.rst b/testing/web-platform/tests/tools/html5lib/doc/changes.rst
new file mode 100644
index 000000000..ded3b705d
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/changes.rst
@@ -0,0 +1,3 @@
+.. :changelog:
+
+.. include:: ../CHANGES.rst
diff --git a/testing/web-platform/tests/tools/html5lib/doc/conf.py b/testing/web-platform/tests/tools/html5lib/doc/conf.py
new file mode 100644
index 000000000..434f21c42
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/conf.py
@@ -0,0 +1,280 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# html5lib documentation build configuration file, created by
+# sphinx-quickstart on Wed May  8 00:04:49 2013.
+#
+# This file is execfile()d with the current directory set to its containing dir.
+#
+# Note that not all possible configuration values are present in this
+# autogenerated file.
+#
+# All configuration values have a default; values that are commented out
+# serve to show the default.
+
+import sys, os
+
+# If extensions (or modules to document with autodoc) are in another directory,
+# add these directories to sys.path here. If the directory is relative to the
+# documentation root, use os.path.abspath to make it absolute, like shown here.
+#sys.path.insert(0, os.path.abspath('.'))
+
+# -- General configuration -----------------------------------------------------
+
+# If your documentation needs a minimal Sphinx version, state it here.
+#needs_sphinx = '1.0'
+
+# Add any Sphinx extension module names here, as strings. They can be extensions
+# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
+extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.viewcode']
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = ['_templates']
+
+# The suffix of source filenames.
+source_suffix = '.rst'
+
+# The encoding of source files.
+#source_encoding = 'utf-8-sig'
+
+# The master toctree document.
+master_doc = 'index'
+
+# General information about the project.
+project = 'html5lib'
+copyright = '2006 - 2013, James Graham, Geoffrey Sneddon, and contributors'
+
+# The version info for the project you're documenting, acts as replacement for
+# |version| and |release|, also used in various other places throughout the
+# built documents.
+#
+# The short X.Y version.
+version = '1.0'
+# The full version, including alpha/beta/rc tags.
+sys.path.append(os.path.abspath('..'))
+from html5lib import __version__
+release = __version__
+
+# The language for content autogenerated by Sphinx. Refer to documentation
+# for a list of supported languages.
+#language = 'en'
+
+# There are two options for replacing |today|: either, you set today to some
+# non-false value, then it is used:
+#today = ''
+# Else, today_fmt is used as the format for a strftime call.
+#today_fmt = '%B %d, %Y'
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+exclude_patterns = ['_build', 'theme']
+
+# The reST default role (used for this markup: `text`) to use for all documents.
+#default_role = None
+
+# If true, '()' will be appended to :func: etc. cross-reference text.
+#add_function_parentheses = True
+
+# If true, the current module name will be prepended to all description
+# unit titles (such as .. function::).
+#add_module_names = True
+
+# If true, sectionauthor and moduleauthor directives will be shown in the
+# output. They are ignored by default.
+#show_authors = False
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = 'sphinx'
+
+# A list of ignored prefixes for module index sorting.
+#modindex_common_prefix = []
+
+# If true, keep warnings as "system message" paragraphs in the built documents.
+#keep_warnings = False
+
+
+# -- Options for HTML output ---------------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
+html_theme = 'default'
+
+# Theme options are theme-specific and customize the look and feel of a theme
+# further.  For a list of options available for each theme, see the
+# documentation.
+#html_theme_options = {}
+
+# Add any paths that contain custom themes here, relative to this directory.
+#html_theme_path = []
+
+# The name for this set of Sphinx documents.  If None, it defaults to
+# "<project> v<release> documentation".
+#html_title = None
+
+# A shorter title for the navigation bar.  Default is the same as html_title.
+#html_short_title = None
+
+# The name of an image file (relative to this directory) to place at the top
+# of the sidebar.
+#html_logo = None
+
+# The name of an image file (within the static path) to use as favicon of the
+# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
+# pixels large.
+#html_favicon = None
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+html_static_path = ['_static']
+
+# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
+# using the given strftime format.
+#html_last_updated_fmt = '%b %d, %Y'
+
+# If true, SmartyPants will be used to convert quotes and dashes to
+# typographically correct entities.
+#html_use_smartypants = True
+
+# Custom sidebar templates, maps document names to template names.
+#html_sidebars = {}
+
+# Additional templates that should be rendered to pages, maps page names to
+# template names.
+#html_additional_pages = {}
+
+# If false, no module index is generated.
+#html_domain_indices = True
+
+# If false, no index is generated.
+#html_use_index = True
+
+# If true, the index is split into individual pages for each letter.
+#html_split_index = False
+
+# If true, links to the reST sources are added to the pages.
+#html_show_sourcelink = True
+
+# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
+#html_show_sphinx = True
+
+# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
+#html_show_copyright = True
+
+# If true, an OpenSearch description file will be output, and all pages will
+# contain a <link> tag referring to it.  The value of this option must be the
+# base URL from which the finished HTML is served.
+#html_use_opensearch = ''
+
+# This is the file name suffix for HTML files (e.g. ".xhtml").
+#html_file_suffix = None
+
+# Output file base name for HTML help builder.
+htmlhelp_basename = 'html5libdoc'
+
+
+# -- Options for LaTeX output --------------------------------------------------
+
+latex_elements = {
+# The paper size ('letterpaper' or 'a4paper').
+#'papersize': 'letterpaper',
+
+# The font size ('10pt', '11pt' or '12pt').
+#'pointsize': '10pt',
+
+# Additional stuff for the LaTeX preamble.
+#'preamble': '',
+}
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title, author, documentclass [howto/manual]).
+latex_documents = [
+  ('index', 'html5lib.tex', 'html5lib Documentation',
+   'James Graham, Geoffrey Sneddon, and contributors', 'manual'),
+]
+
+# The name of an image file (relative to this directory) to place at the top of
+# the title page.
+#latex_logo = None
+
+# For "manual" documents, if this is true, then toplevel headings are parts,
+# not chapters.
+#latex_use_parts = False
+
+# If true, show page references after internal links.
+#latex_show_pagerefs = False
+
+# If true, show URL addresses after external links.
+#latex_show_urls = False
+
+# Documents to append as an appendix to all manuals.
+#latex_appendices = []
+
+# If false, no module index is generated.
+#latex_domain_indices = True
+
+
+# -- Options for manual page output --------------------------------------------
+
+# One entry per manual page. List of tuples
+# (source start file, name, description, authors, manual section).
+man_pages = [
+    ('index', 'html5lib', 'html5lib Documentation',
+     ['James Graham, Geoffrey Sneddon, and contributors'], 1)
+]
+
+# If true, show URL addresses after external links.
+#man_show_urls = False
+
+
+# -- Options for Texinfo output ------------------------------------------------
+
+# Grouping the document tree into Texinfo files. List of tuples
+# (source start file, target name, title, author,
+#  dir menu entry, description, category)
+texinfo_documents = [
+  ('index', 'html5lib', 'html5lib Documentation',
+   'James Graham, Geoffrey Sneddon, and contributors', 'html5lib', 'One line description of project.',
+   'Miscellaneous'),
+]
+
+# Documents to append as an appendix to all manuals.
+#texinfo_appendices = []
+
+# If false, no module index is generated.
+#texinfo_domain_indices = True
+
+# How to display URL addresses: 'footnote', 'no', or 'inline'.
+#texinfo_show_urls = 'footnote'
+
+# If true, do not generate a @detailmenu in the "Top" node's menu.
+#texinfo_no_detailmenu = False
+
+class CExtMock(object):
+    """Required for autodoc on readthedocs.org where you cannot build C extensions."""
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def __call__(self, *args, **kwargs):
+        return CExtMock()
+
+    @classmethod
+    def __getattr__(cls, name):
+        if name in ('__file__', '__path__'):
+            return '/dev/null'
+        else:
+            return CExtMock()
+
+try:
+    import lxml   # flake8: noqa
+except ImportError:
+    sys.modules['lxml'] = CExtMock()
+    sys.modules['lxml.etree'] = CExtMock()
+    print("warning: lxml modules mocked.")
+
+try:
+    import genshi   # flake8: noqa
+except ImportError:
+    sys.modules['genshi'] = CExtMock()
+    sys.modules['genshi.core'] = CExtMock()
+    print("warning: genshi modules mocked.")
diff --git a/testing/web-platform/tests/tools/html5lib/doc/html5lib.filters.rst b/testing/web-platform/tests/tools/html5lib/doc/html5lib.filters.rst
new file mode 100644
index 000000000..1fda38a73
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/html5lib.filters.rst
@@ -0,0 +1,59 @@
+filters Package
+===============
+
+:mod:`_base` Module
+-------------------
+
+.. automodule:: html5lib.filters._base
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`alphabeticalattributes` Module
+------------------------------------
+
+.. automodule:: html5lib.filters.alphabeticalattributes
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`inject_meta_charset` Module
+---------------------------------
+
+.. automodule:: html5lib.filters.inject_meta_charset
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`lint` Module
+------------------
+
+.. automodule:: html5lib.filters.lint
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`optionaltags` Module
+--------------------------
+
+.. automodule:: html5lib.filters.optionaltags
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`sanitizer` Module
+-----------------------
+
+.. automodule:: html5lib.filters.sanitizer
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`whitespace` Module
+------------------------
+
+.. automodule:: html5lib.filters.whitespace
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
diff --git a/testing/web-platform/tests/tools/html5lib/doc/html5lib.rst b/testing/web-platform/tests/tools/html5lib/doc/html5lib.rst
new file mode 100644
index 000000000..d4ed12b46
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/html5lib.rst
@@ -0,0 +1,77 @@
+html5lib Package
+================
+
+:mod:`html5lib` Package
+-----------------------
+
+.. automodule:: html5lib.__init__
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`constants` Module
+-----------------------
+
+.. automodule:: html5lib.constants
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`html5parser` Module
+-------------------------
+
+.. automodule:: html5lib.html5parser
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`ihatexml` Module
+----------------------
+
+.. automodule:: html5lib.ihatexml
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`inputstream` Module
+-------------------------
+
+.. automodule:: html5lib.inputstream
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`sanitizer` Module
+-----------------------
+
+.. automodule:: html5lib.sanitizer
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`tokenizer` Module
+-----------------------
+
+.. automodule:: html5lib.tokenizer
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`utils` Module
+-------------------
+
+.. automodule:: html5lib.utils
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+Subpackages
+-----------
+
+.. toctree::
+
+    html5lib.filters
+    html5lib.serializer
+    html5lib.treebuilders
+    html5lib.treewalkers
+
diff --git a/testing/web-platform/tests/tools/html5lib/doc/html5lib.serializer.rst b/testing/web-platform/tests/tools/html5lib/doc/html5lib.serializer.rst
new file mode 100644
index 000000000..fa9547421
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/html5lib.serializer.rst
@@ -0,0 +1,19 @@
+serializer Package
+==================
+
+:mod:`serializer` Package
+-------------------------
+
+.. automodule:: html5lib.serializer
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`htmlserializer` Module
+----------------------------
+
+.. automodule:: html5lib.serializer.htmlserializer
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
diff --git a/testing/web-platform/tests/tools/html5lib/doc/html5lib.treebuilders.rst b/testing/web-platform/tests/tools/html5lib/doc/html5lib.treebuilders.rst
new file mode 100644
index 000000000..991198394
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/html5lib.treebuilders.rst
@@ -0,0 +1,43 @@
+treebuilders Package
+====================
+
+:mod:`treebuilders` Package
+---------------------------
+
+.. automodule:: html5lib.treebuilders
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`_base` Module
+-------------------
+
+.. automodule:: html5lib.treebuilders._base
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`dom` Module
+-----------------
+
+.. automodule:: html5lib.treebuilders.dom
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`etree` Module
+-------------------
+
+.. automodule:: html5lib.treebuilders.etree
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`etree_lxml` Module
+------------------------
+
+.. automodule:: html5lib.treebuilders.etree_lxml
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
diff --git a/testing/web-platform/tests/tools/html5lib/doc/html5lib.treewalkers.rst b/testing/web-platform/tests/tools/html5lib/doc/html5lib.treewalkers.rst
new file mode 100644
index 000000000..80595e2d7
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/html5lib.treewalkers.rst
@@ -0,0 +1,59 @@
+treewalkers Package
+===================
+
+:mod:`treewalkers` Package
+--------------------------
+
+.. automodule:: html5lib.treewalkers
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`_base` Module
+-------------------
+
+.. automodule:: html5lib.treewalkers._base
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`dom` Module
+-----------------
+
+.. automodule:: html5lib.treewalkers.dom
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`etree` Module
+-------------------
+
+.. automodule:: html5lib.treewalkers.etree
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`genshistream` Module
+--------------------------
+
+.. automodule:: html5lib.treewalkers.genshistream
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`lxmletree` Module
+-----------------------
+
+.. automodule:: html5lib.treewalkers.lxmletree
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+:mod:`pulldom` Module
+---------------------
+
+.. automodule:: html5lib.treewalkers.pulldom
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
diff --git a/testing/web-platform/tests/tools/html5lib/doc/index.rst b/testing/web-platform/tests/tools/html5lib/doc/index.rst
new file mode 100644
index 000000000..ca2e1b969
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/index.rst
@@ -0,0 +1,21 @@
+Overview
+========
+
+.. include:: ../README.rst
+   :start-line: 6
+
+.. toctree::
+   :maxdepth: 2
+
+   movingparts
+   changes
+   License <license>
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`
+
diff --git a/testing/web-platform/tests/tools/html5lib/doc/license.rst b/testing/web-platform/tests/tools/html5lib/doc/license.rst
new file mode 100644
index 000000000..7e6291f3b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/license.rst
@@ -0,0 +1,4 @@
+License
+=======
+
+.. include:: ../LICENSE
diff --git a/testing/web-platform/tests/tools/html5lib/doc/make.bat b/testing/web-platform/tests/tools/html5lib/doc/make.bat
new file mode 100644
index 000000000..e88c769ce
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/make.bat
@@ -0,0 +1,242 @@
+@ECHO OFF
+
+REM Command file for Sphinx documentation
+
+if "%SPHINXBUILD%" == "" (
+	set SPHINXBUILD=sphinx-build
+)
+set BUILDDIR=_build
+set ALLSPHINXOPTS=-d %BUILDDIR%/doctrees %SPHINXOPTS% .
+set I18NSPHINXOPTS=%SPHINXOPTS% .
+if NOT "%PAPER%" == "" (
+	set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
+	set I18NSPHINXOPTS=-D latex_paper_size=%PAPER% %I18NSPHINXOPTS%
+)
+
+if "%1" == "" goto help
+
+if "%1" == "help" (
+	:help
+	echo.Please use `make ^<target^>` where ^<target^> is one of
+	echo.  html       to make standalone HTML files
+	echo.  dirhtml    to make HTML files named index.html in directories
+	echo.  singlehtml to make a single large HTML file
+	echo.  pickle     to make pickle files
+	echo.  json       to make JSON files
+	echo.  htmlhelp   to make HTML files and a HTML help project
+	echo.  qthelp     to make HTML files and a qthelp project
+	echo.  devhelp    to make HTML files and a Devhelp project
+	echo.  epub       to make an epub
+	echo.  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter
+	echo.  text       to make text files
+	echo.  man        to make manual pages
+	echo.  texinfo    to make Texinfo files
+	echo.  gettext    to make PO message catalogs
+	echo.  changes    to make an overview over all changed/added/deprecated items
+	echo.  xml        to make Docutils-native XML files
+	echo.  pseudoxml  to make pseudoxml-XML files for display purposes
+	echo.  linkcheck  to check all external links for integrity
+	echo.  doctest    to run all doctests embedded in the documentation if enabled
+	goto end
+)
+
+if "%1" == "clean" (
+	for /d %%i in (%BUILDDIR%\*) do rmdir /q /s %%i
+	del /q /s %BUILDDIR%\*
+	goto end
+)
+
+
+%SPHINXBUILD% 2> nul
+if errorlevel 9009 (
+	echo.
+	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
+	echo.installed, then set the SPHINXBUILD environment variable to point
+	echo.to the full path of the 'sphinx-build' executable. Alternatively you
+	echo.may add the Sphinx directory to PATH.
+	echo.
+	echo.If you don't have Sphinx installed, grab it from
+	echo.http://sphinx-doc.org/
+	exit /b 1
+)
+
+if "%1" == "html" (
+	%SPHINXBUILD% -b html %ALLSPHINXOPTS% %BUILDDIR%/html
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The HTML pages are in %BUILDDIR%/html.
+	goto end
+)
+
+if "%1" == "dirhtml" (
+	%SPHINXBUILD% -b dirhtml %ALLSPHINXOPTS% %BUILDDIR%/dirhtml
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The HTML pages are in %BUILDDIR%/dirhtml.
+	goto end
+)
+
+if "%1" == "singlehtml" (
+	%SPHINXBUILD% -b singlehtml %ALLSPHINXOPTS% %BUILDDIR%/singlehtml
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The HTML pages are in %BUILDDIR%/singlehtml.
+	goto end
+)
+
+if "%1" == "pickle" (
+	%SPHINXBUILD% -b pickle %ALLSPHINXOPTS% %BUILDDIR%/pickle
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished; now you can process the pickle files.
+	goto end
+)
+
+if "%1" == "json" (
+	%SPHINXBUILD% -b json %ALLSPHINXOPTS% %BUILDDIR%/json
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished; now you can process the JSON files.
+	goto end
+)
+
+if "%1" == "htmlhelp" (
+	%SPHINXBUILD% -b htmlhelp %ALLSPHINXOPTS% %BUILDDIR%/htmlhelp
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished; now you can run HTML Help Workshop with the ^
+.hhp project file in %BUILDDIR%/htmlhelp.
+	goto end
+)
+
+if "%1" == "qthelp" (
+	%SPHINXBUILD% -b qthelp %ALLSPHINXOPTS% %BUILDDIR%/qthelp
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished; now you can run "qcollectiongenerator" with the ^
+.qhcp project file in %BUILDDIR%/qthelp, like this:
+	echo.^> qcollectiongenerator %BUILDDIR%\qthelp\html5lib.qhcp
+	echo.To view the help file:
+	echo.^> assistant -collectionFile %BUILDDIR%\qthelp\html5lib.ghc
+	goto end
+)
+
+if "%1" == "devhelp" (
+	%SPHINXBUILD% -b devhelp %ALLSPHINXOPTS% %BUILDDIR%/devhelp
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished.
+	goto end
+)
+
+if "%1" == "epub" (
+	%SPHINXBUILD% -b epub %ALLSPHINXOPTS% %BUILDDIR%/epub
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The epub file is in %BUILDDIR%/epub.
+	goto end
+)
+
+if "%1" == "latex" (
+	%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished; the LaTeX files are in %BUILDDIR%/latex.
+	goto end
+)
+
+if "%1" == "latexpdf" (
+	%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
+	cd %BUILDDIR%/latex
+	make all-pdf
+	cd %BUILDDIR%/..
+	echo.
+	echo.Build finished; the PDF files are in %BUILDDIR%/latex.
+	goto end
+)
+
+if "%1" == "latexpdfja" (
+	%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
+	cd %BUILDDIR%/latex
+	make all-pdf-ja
+	cd %BUILDDIR%/..
+	echo.
+	echo.Build finished; the PDF files are in %BUILDDIR%/latex.
+	goto end
+)
+
+if "%1" == "text" (
+	%SPHINXBUILD% -b text %ALLSPHINXOPTS% %BUILDDIR%/text
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The text files are in %BUILDDIR%/text.
+	goto end
+)
+
+if "%1" == "man" (
+	%SPHINXBUILD% -b man %ALLSPHINXOPTS% %BUILDDIR%/man
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The manual pages are in %BUILDDIR%/man.
+	goto end
+)
+
+if "%1" == "texinfo" (
+	%SPHINXBUILD% -b texinfo %ALLSPHINXOPTS% %BUILDDIR%/texinfo
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The Texinfo files are in %BUILDDIR%/texinfo.
+	goto end
+)
+
+if "%1" == "gettext" (
+	%SPHINXBUILD% -b gettext %I18NSPHINXOPTS% %BUILDDIR%/locale
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The message catalogs are in %BUILDDIR%/locale.
+	goto end
+)
+
+if "%1" == "changes" (
+	%SPHINXBUILD% -b changes %ALLSPHINXOPTS% %BUILDDIR%/changes
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.The overview file is in %BUILDDIR%/changes.
+	goto end
+)
+
+if "%1" == "linkcheck" (
+	%SPHINXBUILD% -b linkcheck %ALLSPHINXOPTS% %BUILDDIR%/linkcheck
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Link check complete; look for any errors in the above output ^
+or in %BUILDDIR%/linkcheck/output.txt.
+	goto end
+)
+
+if "%1" == "doctest" (
+	%SPHINXBUILD% -b doctest %ALLSPHINXOPTS% %BUILDDIR%/doctest
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Testing of doctests in the sources finished, look at the ^
+results in %BUILDDIR%/doctest/output.txt.
+	goto end
+)
+
+if "%1" == "xml" (
+	%SPHINXBUILD% -b xml %ALLSPHINXOPTS% %BUILDDIR%/xml
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The XML files are in %BUILDDIR%/xml.
+	goto end
+)
+
+if "%1" == "pseudoxml" (
+	%SPHINXBUILD% -b pseudoxml %ALLSPHINXOPTS% %BUILDDIR%/pseudoxml
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Build finished. The pseudo-XML files are in %BUILDDIR%/pseudoxml.
+	goto end
+)
+
+:end
diff --git a/testing/web-platform/tests/tools/html5lib/doc/modules.rst b/testing/web-platform/tests/tools/html5lib/doc/modules.rst
new file mode 100644
index 000000000..59fbcc86b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/modules.rst
@@ -0,0 +1,7 @@
+html5lib
+========
+
+.. toctree::
+   :maxdepth: 4
+
+   html5lib
diff --git a/testing/web-platform/tests/tools/html5lib/doc/movingparts.rst b/testing/web-platform/tests/tools/html5lib/doc/movingparts.rst
new file mode 100644
index 000000000..36539785a
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/doc/movingparts.rst
@@ -0,0 +1,209 @@
+The moving parts
+================
+
+html5lib consists of a number of components, which are responsible for
+handling its features.
+
+
+Tree builders
+-------------
+
+The parser reads HTML by tokenizing the content and building a tree that
+the user can later access. There are three main types of trees that
+html5lib can build:
+
+* ``etree`` - this is the default; builds a tree based on ``xml.etree``,
+  which can be found in the standard library. Whenever possible, the
+  accelerated ``ElementTree`` implementation (i.e.
+  ``xml.etree.cElementTree`` on Python 2.x) is used.
+
+* ``dom`` - builds a tree based on ``xml.dom.minidom``.
+
+* ``lxml.etree`` - uses lxml's implementation of the ``ElementTree``
+  API.  The performance gains are relatively small compared to using the
+  accelerated ``ElementTree`` module.
+
+You can specify the builder by name when using the shorthand API:
+
+.. code-block:: python
+
+  import html5lib
+  with open("mydocument.html", "rb") as f:
+      lxml_etree_document = html5lib.parse(f, treebuilder="lxml")
+
+When instantiating a parser object, you have to pass a tree builder
+class in the ``tree`` keyword attribute:
+
+.. code-block:: python
+
+  import html5lib
+  parser = html5lib.HTMLParser(tree=SomeTreeBuilder)
+  document = parser.parse("<p>Hello World!")
+
+To get a builder class by name, use the ``getTreeBuilder`` function:
+
+.. code-block:: python
+
+  import html5lib
+  parser = html5lib.HTMLParser(tree=html5lib.getTreeBuilder("dom"))
+  minidom_document = parser.parse("<p>Hello World!")
+
+The implementation of builders can be found in `html5lib/treebuilders/
+<https://github.com/html5lib/html5lib-python/tree/master/html5lib/treebuilders>`_.
+
+
+Tree walkers
+------------
+
+Once a tree is ready, you can work on it either manually, or using
+a tree walker, which provides a streaming view of the tree. html5lib
+provides walkers for all three supported types of trees (``etree``,
+``dom`` and ``lxml``).
+
+The implementation of walkers can be found in `html5lib/treewalkers/
+<https://github.com/html5lib/html5lib-python/tree/master/html5lib/treewalkers>`_.
+
+Walkers make consuming HTML easier. html5lib uses them to provide you
+with has a couple of handy tools.
+
+
+HTMLSerializer
+~~~~~~~~~~~~~~
+
+The serializer lets you write HTML back as a stream of bytes.
+
+.. code-block:: pycon
+
+  >>> import html5lib
+  >>> element = html5lib.parse('<p xml:lang="pl">Witam wszystkich')
+  >>> walker = html5lib.getTreeWalker("etree")
+  >>> stream = walker(element)
+  >>> s = html5lib.serializer.HTMLSerializer()
+  >>> output = s.serialize(stream)
+  >>> for item in output:
+  ...   print("%r" % item)
+  '<p'
+  ' '
+  'xml:lang'
+  '='
+  'pl'
+  '>'
+  'Witam wszystkich'
+
+You can customize the serializer behaviour in a variety of ways, consult
+the :class:`~html5lib.serializer.htmlserializer.HTMLSerializer`
+documentation.
+
+
+Filters
+~~~~~~~
+
+You can alter the stream content with filters provided by html5lib:
+
+* :class:`alphabeticalattributes.Filter
+  <html5lib.filters.alphabeticalattributes.Filter>` sorts attributes on
+  tags to be in alphabetical order
+
+* :class:`inject_meta_charset.Filter
+  <html5lib.filters.inject_meta_charset.Filter>` sets a user-specified
+  encoding in the correct ``<meta>`` tag in the ``<head>`` section of
+  the document
+
+* :class:`lint.Filter <html5lib.filters.lint.Filter>` raises
+  ``LintError`` exceptions on invalid tag and attribute names, invalid
+  PCDATA, etc.
+
+* :class:`optionaltags.Filter <html5lib.filters.optionaltags.Filter>`
+  removes tags from the stream which are not necessary to produce valid
+  HTML
+
+* :class:`sanitizer.Filter <html5lib.filters.sanitizer.Filter>` removes
+  unsafe markup and CSS. Elements that are known to be safe are passed
+  through and the rest is converted to visible text. The default
+  configuration of the sanitizer follows the `WHATWG Sanitization Rules
+  <http://wiki.whatwg.org/wiki/Sanitization_rules>`_.
+
+* :class:`whitespace.Filter <html5lib.filters.whitespace.Filter>`
+  collapses all whitespace characters to single spaces unless they're in
+  ``<pre/>`` or ``textarea`` tags.
+
+To use a filter, simply wrap it around a stream:
+
+.. code-block:: python
+
+  >>> import html5lib
+  >>> from html5lib.filters import sanitizer
+  >>> dom = html5lib.parse("<p><script>alert('Boo!')", treebuilder="dom")
+  >>> walker = html5lib.getTreeWalker("dom")
+  >>> stream = walker(dom)
+  >>> sane_stream = sanitizer.Filter(stream) clean_stream = sanitizer.Filter(stream)
+
+
+Tree adapters
+-------------
+
+Used to translate one type of tree to another. More documentation
+pending, sorry.
+
+
+Encoding discovery
+------------------
+
+Parsed trees are always Unicode. However a large variety of input
+encodings are supported. The encoding of the document is determined in
+the following way:
+
+* The encoding may be explicitly specified by passing the name of the
+  encoding as the encoding parameter to the
+  :meth:`~html5lib.html5parser.HTMLParser.parse` method on
+  ``HTMLParser`` objects.
+
+* If no encoding is specified, the parser will attempt to detect the
+  encoding from a ``<meta>``  element in the first 512 bytes of the
+  document (this is only a partial implementation of the current HTML
+  5 specification).
+
+* If no encoding can be found and the chardet library is available, an
+  attempt will be made to sniff the encoding from the byte pattern.
+
+* If all else fails, the default encoding will be used. This is usually
+  `Windows-1252 <http://en.wikipedia.org/wiki/Windows-1252>`_, which is
+  a common fallback used by Web browsers.
+
+
+Tokenizers
+----------
+
+The part of the parser responsible for translating a raw input stream
+into meaningful tokens is the tokenizer. Currently html5lib provides
+two.
+
+To set up a tokenizer, simply pass it when instantiating
+a :class:`~html5lib.html5parser.HTMLParser`:
+
+.. code-block:: python
+
+  import html5lib
+  from html5lib import sanitizer
+
+  p = html5lib.HTMLParser(tokenizer=sanitizer.HTMLSanitizer)
+  p.parse("<p>Surprise!<script>alert('Boo!');</script>")
+
+HTMLTokenizer
+~~~~~~~~~~~~~
+
+This is the default tokenizer, the heart of html5lib. The implementation
+can be found in `html5lib/tokenizer.py
+<https://github.com/html5lib/html5lib-python/blob/master/html5lib/tokenizer.py>`_.
+
+HTMLSanitizer
+~~~~~~~~~~~~~
+
+This is a tokenizer that removes unsafe markup and CSS styles from the
+input. Elements that are known to be safe are passed through and the
+rest is converted to visible text. The default configuration of the
+sanitizer follows the `WHATWG Sanitization Rules
+<http://wiki.whatwg.org/wiki/Sanitization_rules>`_.
+
+The implementation can be found in `html5lib/sanitizer.py
+<https://github.com/html5lib/html5lib-python/blob/master/html5lib/sanitizer.py>`_.
diff --git a/testing/web-platform/tests/tools/html5lib/flake8-run.sh b/testing/web-platform/tests/tools/html5lib/flake8-run.sh
new file mode 100755
index 000000000..d1a587d35
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/flake8-run.sh
@@ -0,0 +1,14 @@
+#!/bin/bash -e
+
+if [[ ! -x $(which flake8) ]]; then
+  echo "fatal: flake8 not found on $PATH. Exiting."
+  exit 1
+fi
+
+if [[ $TRAVIS != "true" || $FLAKE == "true" ]]; then
+  find html5lib/ -name '*.py' -and -not -name 'constants.py' -print0 | xargs -0 flake8 --ignore=E501
+  flake1=$?
+  flake8 --max-line-length=99 --ignore=E126 html5lib/constants.py
+  flake2=$?
+  exit $[$flake1 || $flake2]
+fi
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/__init__.py
new file mode 100644
index 000000000..a67a652b9
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/__init__.py
@@ -0,0 +1,23 @@
+"""
+HTML parsing library based on the WHATWG "HTML5"
+specification. The parser is designed to be compatible with existing
+HTML found in the wild and implements well-defined error recovery that
+is largely compatible with modern desktop web browsers.
+
+Example usage:
+
+import html5lib
+f = open("my_document.html")
+tree = html5lib.parse(f)
+"""
+
+from __future__ import absolute_import, division, unicode_literals
+
+from .html5parser import HTMLParser, parse, parseFragment
+from .treebuilders import getTreeBuilder
+from .treewalkers import getTreeWalker
+from .serializer import serialize
+
+__all__ = ["HTMLParser", "parse", "parseFragment", "getTreeBuilder",
+           "getTreeWalker", "serialize"]
+__version__ = "0.9999-dev"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/constants.py b/testing/web-platform/tests/tools/html5lib/html5lib/constants.py
new file mode 100644
index 000000000..e7089846d
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/constants.py
@@ -0,0 +1,3104 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import string
+import gettext
+_ = gettext.gettext
+
+EOF = None
+
+E = {
+    "null-character":
+        _("Null character in input stream, replaced with U+FFFD."),
+    "invalid-codepoint":
+        _("Invalid codepoint in stream."),
+    "incorrectly-placed-solidus":
+        _("Solidus (/) incorrectly placed in tag."),
+    "incorrect-cr-newline-entity":
+        _("Incorrect CR newline entity, replaced with LF."),
+    "illegal-windows-1252-entity":
+        _("Entity used with illegal number (windows-1252 reference)."),
+    "cant-convert-numeric-entity":
+        _("Numeric entity couldn't be converted to character "
+          "(codepoint U+%(charAsInt)08x)."),
+    "illegal-codepoint-for-numeric-entity":
+        _("Numeric entity represents an illegal codepoint: "
+          "U+%(charAsInt)08x."),
+    "numeric-entity-without-semicolon":
+        _("Numeric entity didn't end with ';'."),
+    "expected-numeric-entity-but-got-eof":
+        _("Numeric entity expected. Got end of file instead."),
+    "expected-numeric-entity":
+        _("Numeric entity expected but none found."),
+    "named-entity-without-semicolon":
+        _("Named entity didn't end with ';'."),
+    "expected-named-entity":
+        _("Named entity expected. Got none."),
+    "attributes-in-end-tag":
+        _("End tag contains unexpected attributes."),
+    'self-closing-flag-on-end-tag':
+        _("End tag contains unexpected self-closing flag."),
+    "expected-tag-name-but-got-right-bracket":
+        _("Expected tag name. Got '>' instead."),
+    "expected-tag-name-but-got-question-mark":
+        _("Expected tag name. Got '?' instead. (HTML doesn't "
+          "support processing instructions.)"),
+    "expected-tag-name":
+        _("Expected tag name. Got something else instead"),
+    "expected-closing-tag-but-got-right-bracket":
+        _("Expected closing tag. Got '>' instead. Ignoring '</>'."),
+    "expected-closing-tag-but-got-eof":
+        _("Expected closing tag. Unexpected end of file."),
+    "expected-closing-tag-but-got-char":
+        _("Expected closing tag. Unexpected character '%(data)s' found."),
+    "eof-in-tag-name":
+        _("Unexpected end of file in the tag name."),
+    "expected-attribute-name-but-got-eof":
+        _("Unexpected end of file. Expected attribute name instead."),
+    "eof-in-attribute-name":
+        _("Unexpected end of file in attribute name."),
+    "invalid-character-in-attribute-name":
+        _("Invalid character in attribute name"),
+    "duplicate-attribute":
+        _("Dropped duplicate attribute on tag."),
+    "expected-end-of-tag-name-but-got-eof":
+        _("Unexpected end of file. Expected = or end of tag."),
+    "expected-attribute-value-but-got-eof":
+        _("Unexpected end of file. Expected attribute value."),
+    "expected-attribute-value-but-got-right-bracket":
+        _("Expected attribute value. Got '>' instead."),
+    'equals-in-unquoted-attribute-value':
+        _("Unexpected = in unquoted attribute"),
+    'unexpected-character-in-unquoted-attribute-value':
+        _("Unexpected character in unquoted attribute"),
+    "invalid-character-after-attribute-name":
+        _("Unexpected character after attribute name."),
+    "unexpected-character-after-attribute-value":
+        _("Unexpected character after attribute value."),
+    "eof-in-attribute-value-double-quote":
+        _("Unexpected end of file in attribute value (\")."),
+    "eof-in-attribute-value-single-quote":
+        _("Unexpected end of file in attribute value (')."),
+    "eof-in-attribute-value-no-quotes":
+        _("Unexpected end of file in attribute value."),
+    "unexpected-EOF-after-solidus-in-tag":
+        _("Unexpected end of file in tag. Expected >"),
+    "unexpected-character-after-solidus-in-tag":
+        _("Unexpected character after / in tag. Expected >"),
+    "expected-dashes-or-doctype":
+        _("Expected '--' or 'DOCTYPE'. Not found."),
+    "unexpected-bang-after-double-dash-in-comment":
+        _("Unexpected ! after -- in comment"),
+    "unexpected-space-after-double-dash-in-comment":
+        _("Unexpected space after -- in comment"),
+    "incorrect-comment":
+        _("Incorrect comment."),
+    "eof-in-comment":
+        _("Unexpected end of file in comment."),
+    "eof-in-comment-end-dash":
+        _("Unexpected end of file in comment (-)"),
+    "unexpected-dash-after-double-dash-in-comment":
+        _("Unexpected '-' after '--' found in comment."),
+    "eof-in-comment-double-dash":
+        _("Unexpected end of file in comment (--)."),
+    "eof-in-comment-end-space-state":
+        _("Unexpected end of file in comment."),
+    "eof-in-comment-end-bang-state":
+        _("Unexpected end of file in comment."),
+    "unexpected-char-in-comment":
+        _("Unexpected character in comment found."),
+    "need-space-after-doctype":
+        _("No space after literal string 'DOCTYPE'."),
+    "expected-doctype-name-but-got-right-bracket":
+        _("Unexpected > character. Expected DOCTYPE name."),
+    "expected-doctype-name-but-got-eof":
+        _("Unexpected end of file. Expected DOCTYPE name."),
+    "eof-in-doctype-name":
+        _("Unexpected end of file in DOCTYPE name."),
+    "eof-in-doctype":
+        _("Unexpected end of file in DOCTYPE."),
+    "expected-space-or-right-bracket-in-doctype":
+        _("Expected space or '>'. Got '%(data)s'"),
+    "unexpected-end-of-doctype":
+        _("Unexpected end of DOCTYPE."),
+    "unexpected-char-in-doctype":
+        _("Unexpected character in DOCTYPE."),
+    "eof-in-innerhtml":
+        _("XXX innerHTML EOF"),
+    "unexpected-doctype":
+        _("Unexpected DOCTYPE. Ignored."),
+    "non-html-root":
+        _("html needs to be the first start tag."),
+    "expected-doctype-but-got-eof":
+        _("Unexpected End of file. Expected DOCTYPE."),
+    "unknown-doctype":
+        _("Erroneous DOCTYPE."),
+    "expected-doctype-but-got-chars":
+        _("Unexpected non-space characters. Expected DOCTYPE."),
+    "expected-doctype-but-got-start-tag":
+        _("Unexpected start tag (%(name)s). Expected DOCTYPE."),
+    "expected-doctype-but-got-end-tag":
+        _("Unexpected end tag (%(name)s). Expected DOCTYPE."),
+    "end-tag-after-implied-root":
+        _("Unexpected end tag (%(name)s) after the (implied) root element."),
+    "expected-named-closing-tag-but-got-eof":
+        _("Unexpected end of file. Expected end tag (%(name)s)."),
+    "two-heads-are-not-better-than-one":
+        _("Unexpected start tag head in existing head. Ignored."),
+    "unexpected-end-tag":
+        _("Unexpected end tag (%(name)s). Ignored."),
+    "unexpected-start-tag-out-of-my-head":
+        _("Unexpected start tag (%(name)s) that can be in head. Moved."),
+    "unexpected-start-tag":
+        _("Unexpected start tag (%(name)s)."),
+    "missing-end-tag":
+        _("Missing end tag (%(name)s)."),
+    "missing-end-tags":
+        _("Missing end tags (%(name)s)."),
+    "unexpected-start-tag-implies-end-tag":
+        _("Unexpected start tag (%(startName)s) "
+          "implies end tag (%(endName)s)."),
+    "unexpected-start-tag-treated-as":
+        _("Unexpected start tag (%(originalName)s). Treated as %(newName)s."),
+    "deprecated-tag":
+        _("Unexpected start tag %(name)s. Don't use it!"),
+    "unexpected-start-tag-ignored":
+        _("Unexpected start tag %(name)s. Ignored."),
+    "expected-one-end-tag-but-got-another":
+        _("Unexpected end tag (%(gotName)s). "
+          "Missing end tag (%(expectedName)s)."),
+    "end-tag-too-early":
+        _("End tag (%(name)s) seen too early. Expected other end tag."),
+    "end-tag-too-early-named":
+        _("Unexpected end tag (%(gotName)s). Expected end tag (%(expectedName)s)."),
+    "end-tag-too-early-ignored":
+        _("End tag (%(name)s) seen too early. Ignored."),
+    "adoption-agency-1.1":
+        _("End tag (%(name)s) violates step 1, "
+          "paragraph 1 of the adoption agency algorithm."),
+    "adoption-agency-1.2":
+        _("End tag (%(name)s) violates step 1, "
+          "paragraph 2 of the adoption agency algorithm."),
+    "adoption-agency-1.3":
+        _("End tag (%(name)s) violates step 1, "
+          "paragraph 3 of the adoption agency algorithm."),
+    "adoption-agency-4.4":
+        _("End tag (%(name)s) violates step 4, "
+          "paragraph 4 of the adoption agency algorithm."),
+    "unexpected-end-tag-treated-as":
+        _("Unexpected end tag (%(originalName)s). Treated as %(newName)s."),
+    "no-end-tag":
+        _("This element (%(name)s) has no end tag."),
+    "unexpected-implied-end-tag-in-table":
+        _("Unexpected implied end tag (%(name)s) in the table phase."),
+    "unexpected-implied-end-tag-in-table-body":
+        _("Unexpected implied end tag (%(name)s) in the table body phase."),
+    "unexpected-char-implies-table-voodoo":
+        _("Unexpected non-space characters in "
+          "table context caused voodoo mode."),
+    "unexpected-hidden-input-in-table":
+        _("Unexpected input with type hidden in table context."),
+    "unexpected-form-in-table":
+        _("Unexpected form in table context."),
+    "unexpected-start-tag-implies-table-voodoo":
+        _("Unexpected start tag (%(name)s) in "
+          "table context caused voodoo mode."),
+    "unexpected-end-tag-implies-table-voodoo":
+        _("Unexpected end tag (%(name)s) in "
+          "table context caused voodoo mode."),
+    "unexpected-cell-in-table-body":
+        _("Unexpected table cell start tag (%(name)s) "
+          "in the table body phase."),
+    "unexpected-cell-end-tag":
+        _("Got table cell end tag (%(name)s) "
+          "while required end tags are missing."),
+    "unexpected-end-tag-in-table-body":
+        _("Unexpected end tag (%(name)s) in the table body phase. Ignored."),
+    "unexpected-implied-end-tag-in-table-row":
+        _("Unexpected implied end tag (%(name)s) in the table row phase."),
+    "unexpected-end-tag-in-table-row":
+        _("Unexpected end tag (%(name)s) in the table row phase. Ignored."),
+    "unexpected-select-in-select":
+        _("Unexpected select start tag in the select phase "
+          "treated as select end tag."),
+    "unexpected-input-in-select":
+        _("Unexpected input start tag in the select phase."),
+    "unexpected-start-tag-in-select":
+        _("Unexpected start tag token (%(name)s in the select phase. "
+          "Ignored."),
+    "unexpected-end-tag-in-select":
+        _("Unexpected end tag (%(name)s) in the select phase. Ignored."),
+    "unexpected-table-element-start-tag-in-select-in-table":
+        _("Unexpected table element start tag (%(name)s) in the select in table phase."),
+    "unexpected-table-element-end-tag-in-select-in-table":
+        _("Unexpected table element end tag (%(name)s) in the select in table phase."),
+    "unexpected-char-after-body":
+        _("Unexpected non-space characters in the after body phase."),
+    "unexpected-start-tag-after-body":
+        _("Unexpected start tag token (%(name)s)"
+          " in the after body phase."),
+    "unexpected-end-tag-after-body":
+        _("Unexpected end tag token (%(name)s)"
+          " in the after body phase."),
+    "unexpected-char-in-frameset":
+        _("Unexpected characters in the frameset phase. Characters ignored."),
+    "unexpected-start-tag-in-frameset":
+        _("Unexpected start tag token (%(name)s)"
+          " in the frameset phase. Ignored."),
+    "unexpected-frameset-in-frameset-innerhtml":
+        _("Unexpected end tag token (frameset) "
+          "in the frameset phase (innerHTML)."),
+    "unexpected-end-tag-in-frameset":
+        _("Unexpected end tag token (%(name)s)"
+          " in the frameset phase. Ignored."),
+    "unexpected-char-after-frameset":
+        _("Unexpected non-space characters in the "
+          "after frameset phase. Ignored."),
+    "unexpected-start-tag-after-frameset":
+        _("Unexpected start tag (%(name)s)"
+          " in the after frameset phase. Ignored."),
+    "unexpected-end-tag-after-frameset":
+        _("Unexpected end tag (%(name)s)"
+          " in the after frameset phase. Ignored."),
+    "unexpected-end-tag-after-body-innerhtml":
+        _("Unexpected end tag after body(innerHtml)"),
+    "expected-eof-but-got-char":
+        _("Unexpected non-space characters. Expected end of file."),
+    "expected-eof-but-got-start-tag":
+        _("Unexpected start tag (%(name)s)"
+          ". Expected end of file."),
+    "expected-eof-but-got-end-tag":
+        _("Unexpected end tag (%(name)s)"
+          ". Expected end of file."),
+    "eof-in-table":
+        _("Unexpected end of file. Expected table content."),
+    "eof-in-select":
+        _("Unexpected end of file. Expected select content."),
+    "eof-in-frameset":
+        _("Unexpected end of file. Expected frameset content."),
+    "eof-in-script-in-script":
+        _("Unexpected end of file. Expected script content."),
+    "eof-in-foreign-lands":
+        _("Unexpected end of file. Expected foreign content"),
+    "non-void-element-with-trailing-solidus":
+        _("Trailing solidus not allowed on element %(name)s"),
+    "unexpected-html-element-in-foreign-content":
+        _("Element %(name)s not allowed in a non-html context"),
+    "unexpected-end-tag-before-html":
+        _("Unexpected end tag (%(name)s) before html."),
+    "XXX-undefined-error":
+        _("Undefined error (this sucks and should be fixed)"),
+}
+
+namespaces = {
+    "html": "http://www.w3.org/1999/xhtml",
+    "mathml": "http://www.w3.org/1998/Math/MathML",
+    "svg": "http://www.w3.org/2000/svg",
+    "xlink": "http://www.w3.org/1999/xlink",
+    "xml": "http://www.w3.org/XML/1998/namespace",
+    "xmlns": "http://www.w3.org/2000/xmlns/"
+}
+
+scopingElements = frozenset((
+    (namespaces["html"], "applet"),
+    (namespaces["html"], "caption"),
+    (namespaces["html"], "html"),
+    (namespaces["html"], "marquee"),
+    (namespaces["html"], "object"),
+    (namespaces["html"], "table"),
+    (namespaces["html"], "td"),
+    (namespaces["html"], "th"),
+    (namespaces["mathml"], "mi"),
+    (namespaces["mathml"], "mo"),
+    (namespaces["mathml"], "mn"),
+    (namespaces["mathml"], "ms"),
+    (namespaces["mathml"], "mtext"),
+    (namespaces["mathml"], "annotation-xml"),
+    (namespaces["svg"], "foreignObject"),
+    (namespaces["svg"], "desc"),
+    (namespaces["svg"], "title"),
+))
+
+formattingElements = frozenset((
+    (namespaces["html"], "a"),
+    (namespaces["html"], "b"),
+    (namespaces["html"], "big"),
+    (namespaces["html"], "code"),
+    (namespaces["html"], "em"),
+    (namespaces["html"], "font"),
+    (namespaces["html"], "i"),
+    (namespaces["html"], "nobr"),
+    (namespaces["html"], "s"),
+    (namespaces["html"], "small"),
+    (namespaces["html"], "strike"),
+    (namespaces["html"], "strong"),
+    (namespaces["html"], "tt"),
+    (namespaces["html"], "u")
+))
+
+specialElements = frozenset((
+    (namespaces["html"], "address"),
+    (namespaces["html"], "applet"),
+    (namespaces["html"], "area"),
+    (namespaces["html"], "article"),
+    (namespaces["html"], "aside"),
+    (namespaces["html"], "base"),
+    (namespaces["html"], "basefont"),
+    (namespaces["html"], "bgsound"),
+    (namespaces["html"], "blockquote"),
+    (namespaces["html"], "body"),
+    (namespaces["html"], "br"),
+    (namespaces["html"], "button"),
+    (namespaces["html"], "caption"),
+    (namespaces["html"], "center"),
+    (namespaces["html"], "col"),
+    (namespaces["html"], "colgroup"),
+    (namespaces["html"], "command"),
+    (namespaces["html"], "dd"),
+    (namespaces["html"], "details"),
+    (namespaces["html"], "dir"),
+    (namespaces["html"], "div"),
+    (namespaces["html"], "dl"),
+    (namespaces["html"], "dt"),
+    (namespaces["html"], "embed"),
+    (namespaces["html"], "fieldset"),
+    (namespaces["html"], "figure"),
+    (namespaces["html"], "footer"),
+    (namespaces["html"], "form"),
+    (namespaces["html"], "frame"),
+    (namespaces["html"], "frameset"),
+    (namespaces["html"], "h1"),
+    (namespaces["html"], "h2"),
+    (namespaces["html"], "h3"),
+    (namespaces["html"], "h4"),
+    (namespaces["html"], "h5"),
+    (namespaces["html"], "h6"),
+    (namespaces["html"], "head"),
+    (namespaces["html"], "header"),
+    (namespaces["html"], "hr"),
+    (namespaces["html"], "html"),
+    (namespaces["html"], "iframe"),
+    # Note that image is commented out in the spec as "this isn't an
+    # element that can end up on the stack, so it doesn't matter,"
+    (namespaces["html"], "image"),
+    (namespaces["html"], "img"),
+    (namespaces["html"], "input"),
+    (namespaces["html"], "isindex"),
+    (namespaces["html"], "li"),
+    (namespaces["html"], "link"),
+    (namespaces["html"], "listing"),
+    (namespaces["html"], "marquee"),
+    (namespaces["html"], "menu"),
+    (namespaces["html"], "meta"),
+    (namespaces["html"], "nav"),
+    (namespaces["html"], "noembed"),
+    (namespaces["html"], "noframes"),
+    (namespaces["html"], "noscript"),
+    (namespaces["html"], "object"),
+    (namespaces["html"], "ol"),
+    (namespaces["html"], "p"),
+    (namespaces["html"], "param"),
+    (namespaces["html"], "plaintext"),
+    (namespaces["html"], "pre"),
+    (namespaces["html"], "script"),
+    (namespaces["html"], "section"),
+    (namespaces["html"], "select"),
+    (namespaces["html"], "style"),
+    (namespaces["html"], "table"),
+    (namespaces["html"], "tbody"),
+    (namespaces["html"], "td"),
+    (namespaces["html"], "textarea"),
+    (namespaces["html"], "tfoot"),
+    (namespaces["html"], "th"),
+    (namespaces["html"], "thead"),
+    (namespaces["html"], "title"),
+    (namespaces["html"], "tr"),
+    (namespaces["html"], "ul"),
+    (namespaces["html"], "wbr"),
+    (namespaces["html"], "xmp"),
+    (namespaces["svg"], "foreignObject")
+))
+
+htmlIntegrationPointElements = frozenset((
+    (namespaces["mathml"], "annotaion-xml"),
+    (namespaces["svg"], "foreignObject"),
+    (namespaces["svg"], "desc"),
+    (namespaces["svg"], "title")
+))
+
+mathmlTextIntegrationPointElements = frozenset((
+    (namespaces["mathml"], "mi"),
+    (namespaces["mathml"], "mo"),
+    (namespaces["mathml"], "mn"),
+    (namespaces["mathml"], "ms"),
+    (namespaces["mathml"], "mtext")
+))
+
+adjustForeignAttributes = {
+    "xlink:actuate": ("xlink", "actuate", namespaces["xlink"]),
+    "xlink:arcrole": ("xlink", "arcrole", namespaces["xlink"]),
+    "xlink:href": ("xlink", "href", namespaces["xlink"]),
+    "xlink:role": ("xlink", "role", namespaces["xlink"]),
+    "xlink:show": ("xlink", "show", namespaces["xlink"]),
+    "xlink:title": ("xlink", "title", namespaces["xlink"]),
+    "xlink:type": ("xlink", "type", namespaces["xlink"]),
+    "xml:base": ("xml", "base", namespaces["xml"]),
+    "xml:lang": ("xml", "lang", namespaces["xml"]),
+    "xml:space": ("xml", "space", namespaces["xml"]),
+    "xmlns": (None, "xmlns", namespaces["xmlns"]),
+    "xmlns:xlink": ("xmlns", "xlink", namespaces["xmlns"])
+}
+
+unadjustForeignAttributes = dict([((ns, local), qname) for qname, (prefix, local, ns) in
+                                  adjustForeignAttributes.items()])
+
+spaceCharacters = frozenset((
+    "\t",
+    "\n",
+    "\u000C",
+    " ",
+    "\r"
+))
+
+tableInsertModeElements = frozenset((
+    "table",
+    "tbody",
+    "tfoot",
+    "thead",
+    "tr"
+))
+
+asciiLowercase = frozenset(string.ascii_lowercase)
+asciiUppercase = frozenset(string.ascii_uppercase)
+asciiLetters = frozenset(string.ascii_letters)
+digits = frozenset(string.digits)
+hexDigits = frozenset(string.hexdigits)
+
+asciiUpper2Lower = dict([(ord(c), ord(c.lower()))
+                         for c in string.ascii_uppercase])
+
+# Heading elements need to be ordered
+headingElements = (
+    "h1",
+    "h2",
+    "h3",
+    "h4",
+    "h5",
+    "h6"
+)
+
+voidElements = frozenset((
+    "base",
+    "command",
+    "event-source",
+    "link",
+    "meta",
+    "hr",
+    "br",
+    "img",
+    "embed",
+    "param",
+    "area",
+    "col",
+    "input",
+    "source",
+    "track"
+))
+
+cdataElements = frozenset(('title', 'textarea'))
+
+rcdataElements = frozenset((
+    'style',
+    'script',
+    'xmp',
+    'iframe',
+    'noembed',
+    'noframes',
+    'noscript'
+))
+
+booleanAttributes = {
+    "": frozenset(("irrelevant",)),
+    "style": frozenset(("scoped",)),
+    "img": frozenset(("ismap",)),
+    "audio": frozenset(("autoplay", "controls")),
+    "video": frozenset(("autoplay", "controls")),
+    "script": frozenset(("defer", "async")),
+    "details": frozenset(("open",)),
+    "datagrid": frozenset(("multiple", "disabled")),
+    "command": frozenset(("hidden", "disabled", "checked", "default")),
+    "hr": frozenset(("noshade")),
+    "menu": frozenset(("autosubmit",)),
+    "fieldset": frozenset(("disabled", "readonly")),
+    "option": frozenset(("disabled", "readonly", "selected")),
+    "optgroup": frozenset(("disabled", "readonly")),
+    "button": frozenset(("disabled", "autofocus")),
+    "input": frozenset(("disabled", "readonly", "required", "autofocus", "checked", "ismap")),
+    "select": frozenset(("disabled", "readonly", "autofocus", "multiple")),
+    "output": frozenset(("disabled", "readonly")),
+}
+
+# entitiesWindows1252 has to be _ordered_ and needs to have an index. It
+# therefore can't be a frozenset.
+entitiesWindows1252 = (
+    8364,   # 0x80  0x20AC  EURO SIGN
+    65533,  # 0x81          UNDEFINED
+    8218,   # 0x82  0x201A  SINGLE LOW-9 QUOTATION MARK
+    402,    # 0x83  0x0192  LATIN SMALL LETTER F WITH HOOK
+    8222,   # 0x84  0x201E  DOUBLE LOW-9 QUOTATION MARK
+    8230,   # 0x85  0x2026  HORIZONTAL ELLIPSIS
+    8224,   # 0x86  0x2020  DAGGER
+    8225,   # 0x87  0x2021  DOUBLE DAGGER
+    710,    # 0x88  0x02C6  MODIFIER LETTER CIRCUMFLEX ACCENT
+    8240,   # 0x89  0x2030  PER MILLE SIGN
+    352,    # 0x8A  0x0160  LATIN CAPITAL LETTER S WITH CARON
+    8249,   # 0x8B  0x2039  SINGLE LEFT-POINTING ANGLE QUOTATION MARK
+    338,    # 0x8C  0x0152  LATIN CAPITAL LIGATURE OE
+    65533,  # 0x8D          UNDEFINED
+    381,    # 0x8E  0x017D  LATIN CAPITAL LETTER Z WITH CARON
+    65533,  # 0x8F          UNDEFINED
+    65533,  # 0x90          UNDEFINED
+    8216,   # 0x91  0x2018  LEFT SINGLE QUOTATION MARK
+    8217,   # 0x92  0x2019  RIGHT SINGLE QUOTATION MARK
+    8220,   # 0x93  0x201C  LEFT DOUBLE QUOTATION MARK
+    8221,   # 0x94  0x201D  RIGHT DOUBLE QUOTATION MARK
+    8226,   # 0x95  0x2022  BULLET
+    8211,   # 0x96  0x2013  EN DASH
+    8212,   # 0x97  0x2014  EM DASH
+    732,    # 0x98  0x02DC  SMALL TILDE
+    8482,   # 0x99  0x2122  TRADE MARK SIGN
+    353,    # 0x9A  0x0161  LATIN SMALL LETTER S WITH CARON
+    8250,   # 0x9B  0x203A  SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
+    339,    # 0x9C  0x0153  LATIN SMALL LIGATURE OE
+    65533,  # 0x9D          UNDEFINED
+    382,    # 0x9E  0x017E  LATIN SMALL LETTER Z WITH CARON
+    376     # 0x9F  0x0178  LATIN CAPITAL LETTER Y WITH DIAERESIS
+)
+
+xmlEntities = frozenset(('lt;', 'gt;', 'amp;', 'apos;', 'quot;'))
+
+entities = {
+    "AElig": "\xc6",
+    "AElig;": "\xc6",
+    "AMP": "&",
+    "AMP;": "&",
+    "Aacute": "\xc1",
+    "Aacute;": "\xc1",
+    "Abreve;": "\u0102",
+    "Acirc": "\xc2",
+    "Acirc;": "\xc2",
+    "Acy;": "\u0410",
+    "Afr;": "\U0001d504",
+    "Agrave": "\xc0",
+    "Agrave;": "\xc0",
+    "Alpha;": "\u0391",
+    "Amacr;": "\u0100",
+    "And;": "\u2a53",
+    "Aogon;": "\u0104",
+    "Aopf;": "\U0001d538",
+    "ApplyFunction;": "\u2061",
+    "Aring": "\xc5",
+    "Aring;": "\xc5",
+    "Ascr;": "\U0001d49c",
+    "Assign;": "\u2254",
+    "Atilde": "\xc3",
+    "Atilde;": "\xc3",
+    "Auml": "\xc4",
+    "Auml;": "\xc4",
+    "Backslash;": "\u2216",
+    "Barv;": "\u2ae7",
+    "Barwed;": "\u2306",
+    "Bcy;": "\u0411",
+    "Because;": "\u2235",
+    "Bernoullis;": "\u212c",
+    "Beta;": "\u0392",
+    "Bfr;": "\U0001d505",
+    "Bopf;": "\U0001d539",
+    "Breve;": "\u02d8",
+    "Bscr;": "\u212c",
+    "Bumpeq;": "\u224e",
+    "CHcy;": "\u0427",
+    "COPY": "\xa9",
+    "COPY;": "\xa9",
+    "Cacute;": "\u0106",
+    "Cap;": "\u22d2",
+    "CapitalDifferentialD;": "\u2145",
+    "Cayleys;": "\u212d",
+    "Ccaron;": "\u010c",
+    "Ccedil": "\xc7",
+    "Ccedil;": "\xc7",
+    "Ccirc;": "\u0108",
+    "Cconint;": "\u2230",
+    "Cdot;": "\u010a",
+    "Cedilla;": "\xb8",
+    "CenterDot;": "\xb7",
+    "Cfr;": "\u212d",
+    "Chi;": "\u03a7",
+    "CircleDot;": "\u2299",
+    "CircleMinus;": "\u2296",
+    "CirclePlus;": "\u2295",
+    "CircleTimes;": "\u2297",
+    "ClockwiseContourIntegral;": "\u2232",
+    "CloseCurlyDoubleQuote;": "\u201d",
+    "CloseCurlyQuote;": "\u2019",
+    "Colon;": "\u2237",
+    "Colone;": "\u2a74",
+    "Congruent;": "\u2261",
+    "Conint;": "\u222f",
+    "ContourIntegral;": "\u222e",
+    "Copf;": "\u2102",
+    "Coproduct;": "\u2210",
+    "CounterClockwiseContourIntegral;": "\u2233",
+    "Cross;": "\u2a2f",
+    "Cscr;": "\U0001d49e",
+    "Cup;": "\u22d3",
+    "CupCap;": "\u224d",
+    "DD;": "\u2145",
+    "DDotrahd;": "\u2911",
+    "DJcy;": "\u0402",
+    "DScy;": "\u0405",
+    "DZcy;": "\u040f",
+    "Dagger;": "\u2021",
+    "Darr;": "\u21a1",
+    "Dashv;": "\u2ae4",
+    "Dcaron;": "\u010e",
+    "Dcy;": "\u0414",
+    "Del;": "\u2207",
+    "Delta;": "\u0394",
+    "Dfr;": "\U0001d507",
+    "DiacriticalAcute;": "\xb4",
+    "DiacriticalDot;": "\u02d9",
+    "DiacriticalDoubleAcute;": "\u02dd",
+    "DiacriticalGrave;": "`",
+    "DiacriticalTilde;": "\u02dc",
+    "Diamond;": "\u22c4",
+    "DifferentialD;": "\u2146",
+    "Dopf;": "\U0001d53b",
+    "Dot;": "\xa8",
+    "DotDot;": "\u20dc",
+    "DotEqual;": "\u2250",
+    "DoubleContourIntegral;": "\u222f",
+    "DoubleDot;": "\xa8",
+    "DoubleDownArrow;": "\u21d3",
+    "DoubleLeftArrow;": "\u21d0",
+    "DoubleLeftRightArrow;": "\u21d4",
+    "DoubleLeftTee;": "\u2ae4",
+    "DoubleLongLeftArrow;": "\u27f8",
+    "DoubleLongLeftRightArrow;": "\u27fa",
+    "DoubleLongRightArrow;": "\u27f9",
+    "DoubleRightArrow;": "\u21d2",
+    "DoubleRightTee;": "\u22a8",
+    "DoubleUpArrow;": "\u21d1",
+    "DoubleUpDownArrow;": "\u21d5",
+    "DoubleVerticalBar;": "\u2225",
+    "DownArrow;": "\u2193",
+    "DownArrowBar;": "\u2913",
+    "DownArrowUpArrow;": "\u21f5",
+    "DownBreve;": "\u0311",
+    "DownLeftRightVector;": "\u2950",
+    "DownLeftTeeVector;": "\u295e",
+    "DownLeftVector;": "\u21bd",
+    "DownLeftVectorBar;": "\u2956",
+    "DownRightTeeVector;": "\u295f",
+    "DownRightVector;": "\u21c1",
+    "DownRightVectorBar;": "\u2957",
+    "DownTee;": "\u22a4",
+    "DownTeeArrow;": "\u21a7",
+    "Downarrow;": "\u21d3",
+    "Dscr;": "\U0001d49f",
+    "Dstrok;": "\u0110",
+    "ENG;": "\u014a",
+    "ETH": "\xd0",
+    "ETH;": "\xd0",
+    "Eacute": "\xc9",
+    "Eacute;": "\xc9",
+    "Ecaron;": "\u011a",
+    "Ecirc": "\xca",
+    "Ecirc;": "\xca",
+    "Ecy;": "\u042d",
+    "Edot;": "\u0116",
+    "Efr;": "\U0001d508",
+    "Egrave": "\xc8",
+    "Egrave;": "\xc8",
+    "Element;": "\u2208",
+    "Emacr;": "\u0112",
+    "EmptySmallSquare;": "\u25fb",
+    "EmptyVerySmallSquare;": "\u25ab",
+    "Eogon;": "\u0118",
+    "Eopf;": "\U0001d53c",
+    "Epsilon;": "\u0395",
+    "Equal;": "\u2a75",
+    "EqualTilde;": "\u2242",
+    "Equilibrium;": "\u21cc",
+    "Escr;": "\u2130",
+    "Esim;": "\u2a73",
+    "Eta;": "\u0397",
+    "Euml": "\xcb",
+    "Euml;": "\xcb",
+    "Exists;": "\u2203",
+    "ExponentialE;": "\u2147",
+    "Fcy;": "\u0424",
+    "Ffr;": "\U0001d509",
+    "FilledSmallSquare;": "\u25fc",
+    "FilledVerySmallSquare;": "\u25aa",
+    "Fopf;": "\U0001d53d",
+    "ForAll;": "\u2200",
+    "Fouriertrf;": "\u2131",
+    "Fscr;": "\u2131",
+    "GJcy;": "\u0403",
+    "GT": ">",
+    "GT;": ">",
+    "Gamma;": "\u0393",
+    "Gammad;": "\u03dc",
+    "Gbreve;": "\u011e",
+    "Gcedil;": "\u0122",
+    "Gcirc;": "\u011c",
+    "Gcy;": "\u0413",
+    "Gdot;": "\u0120",
+    "Gfr;": "\U0001d50a",
+    "Gg;": "\u22d9",
+    "Gopf;": "\U0001d53e",
+    "GreaterEqual;": "\u2265",
+    "GreaterEqualLess;": "\u22db",
+    "GreaterFullEqual;": "\u2267",
+    "GreaterGreater;": "\u2aa2",
+    "GreaterLess;": "\u2277",
+    "GreaterSlantEqual;": "\u2a7e",
+    "GreaterTilde;": "\u2273",
+    "Gscr;": "\U0001d4a2",
+    "Gt;": "\u226b",
+    "HARDcy;": "\u042a",
+    "Hacek;": "\u02c7",
+    "Hat;": "^",
+    "Hcirc;": "\u0124",
+    "Hfr;": "\u210c",
+    "HilbertSpace;": "\u210b",
+    "Hopf;": "\u210d",
+    "HorizontalLine;": "\u2500",
+    "Hscr;": "\u210b",
+    "Hstrok;": "\u0126",
+    "HumpDownHump;": "\u224e",
+    "HumpEqual;": "\u224f",
+    "IEcy;": "\u0415",
+    "IJlig;": "\u0132",
+    "IOcy;": "\u0401",
+    "Iacute": "\xcd",
+    "Iacute;": "\xcd",
+    "Icirc": "\xce",
+    "Icirc;": "\xce",
+    "Icy;": "\u0418",
+    "Idot;": "\u0130",
+    "Ifr;": "\u2111",
+    "Igrave": "\xcc",
+    "Igrave;": "\xcc",
+    "Im;": "\u2111",
+    "Imacr;": "\u012a",
+    "ImaginaryI;": "\u2148",
+    "Implies;": "\u21d2",
+    "Int;": "\u222c",
+    "Integral;": "\u222b",
+    "Intersection;": "\u22c2",
+    "InvisibleComma;": "\u2063",
+    "InvisibleTimes;": "\u2062",
+    "Iogon;": "\u012e",
+    "Iopf;": "\U0001d540",
+    "Iota;": "\u0399",
+    "Iscr;": "\u2110",
+    "Itilde;": "\u0128",
+    "Iukcy;": "\u0406",
+    "Iuml": "\xcf",
+    "Iuml;": "\xcf",
+    "Jcirc;": "\u0134",
+    "Jcy;": "\u0419",
+    "Jfr;": "\U0001d50d",
+    "Jopf;": "\U0001d541",
+    "Jscr;": "\U0001d4a5",
+    "Jsercy;": "\u0408",
+    "Jukcy;": "\u0404",
+    "KHcy;": "\u0425",
+    "KJcy;": "\u040c",
+    "Kappa;": "\u039a",
+    "Kcedil;": "\u0136",
+    "Kcy;": "\u041a",
+    "Kfr;": "\U0001d50e",
+    "Kopf;": "\U0001d542",
+    "Kscr;": "\U0001d4a6",
+    "LJcy;": "\u0409",
+    "LT": "<",
+    "LT;": "<",
+    "Lacute;": "\u0139",
+    "Lambda;": "\u039b",
+    "Lang;": "\u27ea",
+    "Laplacetrf;": "\u2112",
+    "Larr;": "\u219e",
+    "Lcaron;": "\u013d",
+    "Lcedil;": "\u013b",
+    "Lcy;": "\u041b",
+    "LeftAngleBracket;": "\u27e8",
+    "LeftArrow;": "\u2190",
+    "LeftArrowBar;": "\u21e4",
+    "LeftArrowRightArrow;": "\u21c6",
+    "LeftCeiling;": "\u2308",
+    "LeftDoubleBracket;": "\u27e6",
+    "LeftDownTeeVector;": "\u2961",
+    "LeftDownVector;": "\u21c3",
+    "LeftDownVectorBar;": "\u2959",
+    "LeftFloor;": "\u230a",
+    "LeftRightArrow;": "\u2194",
+    "LeftRightVector;": "\u294e",
+    "LeftTee;": "\u22a3",
+    "LeftTeeArrow;": "\u21a4",
+    "LeftTeeVector;": "\u295a",
+    "LeftTriangle;": "\u22b2",
+    "LeftTriangleBar;": "\u29cf",
+    "LeftTriangleEqual;": "\u22b4",
+    "LeftUpDownVector;": "\u2951",
+    "LeftUpTeeVector;": "\u2960",
+    "LeftUpVector;": "\u21bf",
+    "LeftUpVectorBar;": "\u2958",
+    "LeftVector;": "\u21bc",
+    "LeftVectorBar;": "\u2952",
+    "Leftarrow;": "\u21d0",
+    "Leftrightarrow;": "\u21d4",
+    "LessEqualGreater;": "\u22da",
+    "LessFullEqual;": "\u2266",
+    "LessGreater;": "\u2276",
+    "LessLess;": "\u2aa1",
+    "LessSlantEqual;": "\u2a7d",
+    "LessTilde;": "\u2272",
+    "Lfr;": "\U0001d50f",
+    "Ll;": "\u22d8",
+    "Lleftarrow;": "\u21da",
+    "Lmidot;": "\u013f",
+    "LongLeftArrow;": "\u27f5",
+    "LongLeftRightArrow;": "\u27f7",
+    "LongRightArrow;": "\u27f6",
+    "Longleftarrow;": "\u27f8",
+    "Longleftrightarrow;": "\u27fa",
+    "Longrightarrow;": "\u27f9",
+    "Lopf;": "\U0001d543",
+    "LowerLeftArrow;": "\u2199",
+    "LowerRightArrow;": "\u2198",
+    "Lscr;": "\u2112",
+    "Lsh;": "\u21b0",
+    "Lstrok;": "\u0141",
+    "Lt;": "\u226a",
+    "Map;": "\u2905",
+    "Mcy;": "\u041c",
+    "MediumSpace;": "\u205f",
+    "Mellintrf;": "\u2133",
+    "Mfr;": "\U0001d510",
+    "MinusPlus;": "\u2213",
+    "Mopf;": "\U0001d544",
+    "Mscr;": "\u2133",
+    "Mu;": "\u039c",
+    "NJcy;": "\u040a",
+    "Nacute;": "\u0143",
+    "Ncaron;": "\u0147",
+    "Ncedil;": "\u0145",
+    "Ncy;": "\u041d",
+    "NegativeMediumSpace;": "\u200b",
+    "NegativeThickSpace;": "\u200b",
+    "NegativeThinSpace;": "\u200b",
+    "NegativeVeryThinSpace;": "\u200b",
+    "NestedGreaterGreater;": "\u226b",
+    "NestedLessLess;": "\u226a",
+    "NewLine;": "\n",
+    "Nfr;": "\U0001d511",
+    "NoBreak;": "\u2060",
+    "NonBreakingSpace;": "\xa0",
+    "Nopf;": "\u2115",
+    "Not;": "\u2aec",
+    "NotCongruent;": "\u2262",
+    "NotCupCap;": "\u226d",
+    "NotDoubleVerticalBar;": "\u2226",
+    "NotElement;": "\u2209",
+    "NotEqual;": "\u2260",
+    "NotEqualTilde;": "\u2242\u0338",
+    "NotExists;": "\u2204",
+    "NotGreater;": "\u226f",
+    "NotGreaterEqual;": "\u2271",
+    "NotGreaterFullEqual;": "\u2267\u0338",
+    "NotGreaterGreater;": "\u226b\u0338",
+    "NotGreaterLess;": "\u2279",
+    "NotGreaterSlantEqual;": "\u2a7e\u0338",
+    "NotGreaterTilde;": "\u2275",
+    "NotHumpDownHump;": "\u224e\u0338",
+    "NotHumpEqual;": "\u224f\u0338",
+    "NotLeftTriangle;": "\u22ea",
+    "NotLeftTriangleBar;": "\u29cf\u0338",
+    "NotLeftTriangleEqual;": "\u22ec",
+    "NotLess;": "\u226e",
+    "NotLessEqual;": "\u2270",
+    "NotLessGreater;": "\u2278",
+    "NotLessLess;": "\u226a\u0338",
+    "NotLessSlantEqual;": "\u2a7d\u0338",
+    "NotLessTilde;": "\u2274",
+    "NotNestedGreaterGreater;": "\u2aa2\u0338",
+    "NotNestedLessLess;": "\u2aa1\u0338",
+    "NotPrecedes;": "\u2280",
+    "NotPrecedesEqual;": "\u2aaf\u0338",
+    "NotPrecedesSlantEqual;": "\u22e0",
+    "NotReverseElement;": "\u220c",
+    "NotRightTriangle;": "\u22eb",
+    "NotRightTriangleBar;": "\u29d0\u0338",
+    "NotRightTriangleEqual;": "\u22ed",
+    "NotSquareSubset;": "\u228f\u0338",
+    "NotSquareSubsetEqual;": "\u22e2",
+    "NotSquareSuperset;": "\u2290\u0338",
+    "NotSquareSupersetEqual;": "\u22e3",
+    "NotSubset;": "\u2282\u20d2",
+    "NotSubsetEqual;": "\u2288",
+    "NotSucceeds;": "\u2281",
+    "NotSucceedsEqual;": "\u2ab0\u0338",
+    "NotSucceedsSlantEqual;": "\u22e1",
+    "NotSucceedsTilde;": "\u227f\u0338",
+    "NotSuperset;": "\u2283\u20d2",
+    "NotSupersetEqual;": "\u2289",
+    "NotTilde;": "\u2241",
+    "NotTildeEqual;": "\u2244",
+    "NotTildeFullEqual;": "\u2247",
+    "NotTildeTilde;": "\u2249",
+    "NotVerticalBar;": "\u2224",
+    "Nscr;": "\U0001d4a9",
+    "Ntilde": "\xd1",
+    "Ntilde;": "\xd1",
+    "Nu;": "\u039d",
+    "OElig;": "\u0152",
+    "Oacute": "\xd3",
+    "Oacute;": "\xd3",
+    "Ocirc": "\xd4",
+    "Ocirc;": "\xd4",
+    "Ocy;": "\u041e",
+    "Odblac;": "\u0150",
+    "Ofr;": "\U0001d512",
+    "Ograve": "\xd2",
+    "Ograve;": "\xd2",
+    "Omacr;": "\u014c",
+    "Omega;": "\u03a9",
+    "Omicron;": "\u039f",
+    "Oopf;": "\U0001d546",
+    "OpenCurlyDoubleQuote;": "\u201c",
+    "OpenCurlyQuote;": "\u2018",
+    "Or;": "\u2a54",
+    "Oscr;": "\U0001d4aa",
+    "Oslash": "\xd8",
+    "Oslash;": "\xd8",
+    "Otilde": "\xd5",
+    "Otilde;": "\xd5",
+    "Otimes;": "\u2a37",
+    "Ouml": "\xd6",
+    "Ouml;": "\xd6",
+    "OverBar;": "\u203e",
+    "OverBrace;": "\u23de",
+    "OverBracket;": "\u23b4",
+    "OverParenthesis;": "\u23dc",
+    "PartialD;": "\u2202",
+    "Pcy;": "\u041f",
+    "Pfr;": "\U0001d513",
+    "Phi;": "\u03a6",
+    "Pi;": "\u03a0",
+    "PlusMinus;": "\xb1",
+    "Poincareplane;": "\u210c",
+    "Popf;": "\u2119",
+    "Pr;": "\u2abb",
+    "Precedes;": "\u227a",
+    "PrecedesEqual;": "\u2aaf",
+    "PrecedesSlantEqual;": "\u227c",
+    "PrecedesTilde;": "\u227e",
+    "Prime;": "\u2033",
+    "Product;": "\u220f",
+    "Proportion;": "\u2237",
+    "Proportional;": "\u221d",
+    "Pscr;": "\U0001d4ab",
+    "Psi;": "\u03a8",
+    "QUOT": "\"",
+    "QUOT;": "\"",
+    "Qfr;": "\U0001d514",
+    "Qopf;": "\u211a",
+    "Qscr;": "\U0001d4ac",
+    "RBarr;": "\u2910",
+    "REG": "\xae",
+    "REG;": "\xae",
+    "Racute;": "\u0154",
+    "Rang;": "\u27eb",
+    "Rarr;": "\u21a0",
+    "Rarrtl;": "\u2916",
+    "Rcaron;": "\u0158",
+    "Rcedil;": "\u0156",
+    "Rcy;": "\u0420",
+    "Re;": "\u211c",
+    "ReverseElement;": "\u220b",
+    "ReverseEquilibrium;": "\u21cb",
+    "ReverseUpEquilibrium;": "\u296f",
+    "Rfr;": "\u211c",
+    "Rho;": "\u03a1",
+    "RightAngleBracket;": "\u27e9",
+    "RightArrow;": "\u2192",
+    "RightArrowBar;": "\u21e5",
+    "RightArrowLeftArrow;": "\u21c4",
+    "RightCeiling;": "\u2309",
+    "RightDoubleBracket;": "\u27e7",
+    "RightDownTeeVector;": "\u295d",
+    "RightDownVector;": "\u21c2",
+    "RightDownVectorBar;": "\u2955",
+    "RightFloor;": "\u230b",
+    "RightTee;": "\u22a2",
+    "RightTeeArrow;": "\u21a6",
+    "RightTeeVector;": "\u295b",
+    "RightTriangle;": "\u22b3",
+    "RightTriangleBar;": "\u29d0",
+    "RightTriangleEqual;": "\u22b5",
+    "RightUpDownVector;": "\u294f",
+    "RightUpTeeVector;": "\u295c",
+    "RightUpVector;": "\u21be",
+    "RightUpVectorBar;": "\u2954",
+    "RightVector;": "\u21c0",
+    "RightVectorBar;": "\u2953",
+    "Rightarrow;": "\u21d2",
+    "Ropf;": "\u211d",
+    "RoundImplies;": "\u2970",
+    "Rrightarrow;": "\u21db",
+    "Rscr;": "\u211b",
+    "Rsh;": "\u21b1",
+    "RuleDelayed;": "\u29f4",
+    "SHCHcy;": "\u0429",
+    "SHcy;": "\u0428",
+    "SOFTcy;": "\u042c",
+    "Sacute;": "\u015a",
+    "Sc;": "\u2abc",
+    "Scaron;": "\u0160",
+    "Scedil;": "\u015e",
+    "Scirc;": "\u015c",
+    "Scy;": "\u0421",
+    "Sfr;": "\U0001d516",
+    "ShortDownArrow;": "\u2193",
+    "ShortLeftArrow;": "\u2190",
+    "ShortRightArrow;": "\u2192",
+    "ShortUpArrow;": "\u2191",
+    "Sigma;": "\u03a3",
+    "SmallCircle;": "\u2218",
+    "Sopf;": "\U0001d54a",
+    "Sqrt;": "\u221a",
+    "Square;": "\u25a1",
+    "SquareIntersection;": "\u2293",
+    "SquareSubset;": "\u228f",
+    "SquareSubsetEqual;": "\u2291",
+    "SquareSuperset;": "\u2290",
+    "SquareSupersetEqual;": "\u2292",
+    "SquareUnion;": "\u2294",
+    "Sscr;": "\U0001d4ae",
+    "Star;": "\u22c6",
+    "Sub;": "\u22d0",
+    "Subset;": "\u22d0",
+    "SubsetEqual;": "\u2286",
+    "Succeeds;": "\u227b",
+    "SucceedsEqual;": "\u2ab0",
+    "SucceedsSlantEqual;": "\u227d",
+    "SucceedsTilde;": "\u227f",
+    "SuchThat;": "\u220b",
+    "Sum;": "\u2211",
+    "Sup;": "\u22d1",
+    "Superset;": "\u2283",
+    "SupersetEqual;": "\u2287",
+    "Supset;": "\u22d1",
+    "THORN": "\xde",
+    "THORN;": "\xde",
+    "TRADE;": "\u2122",
+    "TSHcy;": "\u040b",
+    "TScy;": "\u0426",
+    "Tab;": "\t",
+    "Tau;": "\u03a4",
+    "Tcaron;": "\u0164",
+    "Tcedil;": "\u0162",
+    "Tcy;": "\u0422",
+    "Tfr;": "\U0001d517",
+    "Therefore;": "\u2234",
+    "Theta;": "\u0398",
+    "ThickSpace;": "\u205f\u200a",
+    "ThinSpace;": "\u2009",
+    "Tilde;": "\u223c",
+    "TildeEqual;": "\u2243",
+    "TildeFullEqual;": "\u2245",
+    "TildeTilde;": "\u2248",
+    "Topf;": "\U0001d54b",
+    "TripleDot;": "\u20db",
+    "Tscr;": "\U0001d4af",
+    "Tstrok;": "\u0166",
+    "Uacute": "\xda",
+    "Uacute;": "\xda",
+    "Uarr;": "\u219f",
+    "Uarrocir;": "\u2949",
+    "Ubrcy;": "\u040e",
+    "Ubreve;": "\u016c",
+    "Ucirc": "\xdb",
+    "Ucirc;": "\xdb",
+    "Ucy;": "\u0423",
+    "Udblac;": "\u0170",
+    "Ufr;": "\U0001d518",
+    "Ugrave": "\xd9",
+    "Ugrave;": "\xd9",
+    "Umacr;": "\u016a",
+    "UnderBar;": "_",
+    "UnderBrace;": "\u23df",
+    "UnderBracket;": "\u23b5",
+    "UnderParenthesis;": "\u23dd",
+    "Union;": "\u22c3",
+    "UnionPlus;": "\u228e",
+    "Uogon;": "\u0172",
+    "Uopf;": "\U0001d54c",
+    "UpArrow;": "\u2191",
+    "UpArrowBar;": "\u2912",
+    "UpArrowDownArrow;": "\u21c5",
+    "UpDownArrow;": "\u2195",
+    "UpEquilibrium;": "\u296e",
+    "UpTee;": "\u22a5",
+    "UpTeeArrow;": "\u21a5",
+    "Uparrow;": "\u21d1",
+    "Updownarrow;": "\u21d5",
+    "UpperLeftArrow;": "\u2196",
+    "UpperRightArrow;": "\u2197",
+    "Upsi;": "\u03d2",
+    "Upsilon;": "\u03a5",
+    "Uring;": "\u016e",
+    "Uscr;": "\U0001d4b0",
+    "Utilde;": "\u0168",
+    "Uuml": "\xdc",
+    "Uuml;": "\xdc",
+    "VDash;": "\u22ab",
+    "Vbar;": "\u2aeb",
+    "Vcy;": "\u0412",
+    "Vdash;": "\u22a9",
+    "Vdashl;": "\u2ae6",
+    "Vee;": "\u22c1",
+    "Verbar;": "\u2016",
+    "Vert;": "\u2016",
+    "VerticalBar;": "\u2223",
+    "VerticalLine;": "|",
+    "VerticalSeparator;": "\u2758",
+    "VerticalTilde;": "\u2240",
+    "VeryThinSpace;": "\u200a",
+    "Vfr;": "\U0001d519",
+    "Vopf;": "\U0001d54d",
+    "Vscr;": "\U0001d4b1",
+    "Vvdash;": "\u22aa",
+    "Wcirc;": "\u0174",
+    "Wedge;": "\u22c0",
+    "Wfr;": "\U0001d51a",
+    "Wopf;": "\U0001d54e",
+    "Wscr;": "\U0001d4b2",
+    "Xfr;": "\U0001d51b",
+    "Xi;": "\u039e",
+    "Xopf;": "\U0001d54f",
+    "Xscr;": "\U0001d4b3",
+    "YAcy;": "\u042f",
+    "YIcy;": "\u0407",
+    "YUcy;": "\u042e",
+    "Yacute": "\xdd",
+    "Yacute;": "\xdd",
+    "Ycirc;": "\u0176",
+    "Ycy;": "\u042b",
+    "Yfr;": "\U0001d51c",
+    "Yopf;": "\U0001d550",
+    "Yscr;": "\U0001d4b4",
+    "Yuml;": "\u0178",
+    "ZHcy;": "\u0416",
+    "Zacute;": "\u0179",
+    "Zcaron;": "\u017d",
+    "Zcy;": "\u0417",
+    "Zdot;": "\u017b",
+    "ZeroWidthSpace;": "\u200b",
+    "Zeta;": "\u0396",
+    "Zfr;": "\u2128",
+    "Zopf;": "\u2124",
+    "Zscr;": "\U0001d4b5",
+    "aacute": "\xe1",
+    "aacute;": "\xe1",
+    "abreve;": "\u0103",
+    "ac;": "\u223e",
+    "acE;": "\u223e\u0333",
+    "acd;": "\u223f",
+    "acirc": "\xe2",
+    "acirc;": "\xe2",
+    "acute": "\xb4",
+    "acute;": "\xb4",
+    "acy;": "\u0430",
+    "aelig": "\xe6",
+    "aelig;": "\xe6",
+    "af;": "\u2061",
+    "afr;": "\U0001d51e",
+    "agrave": "\xe0",
+    "agrave;": "\xe0",
+    "alefsym;": "\u2135",
+    "aleph;": "\u2135",
+    "alpha;": "\u03b1",
+    "amacr;": "\u0101",
+    "amalg;": "\u2a3f",
+    "amp": "&",
+    "amp;": "&",
+    "and;": "\u2227",
+    "andand;": "\u2a55",
+    "andd;": "\u2a5c",
+    "andslope;": "\u2a58",
+    "andv;": "\u2a5a",
+    "ang;": "\u2220",
+    "ange;": "\u29a4",
+    "angle;": "\u2220",
+    "angmsd;": "\u2221",
+    "angmsdaa;": "\u29a8",
+    "angmsdab;": "\u29a9",
+    "angmsdac;": "\u29aa",
+    "angmsdad;": "\u29ab",
+    "angmsdae;": "\u29ac",
+    "angmsdaf;": "\u29ad",
+    "angmsdag;": "\u29ae",
+    "angmsdah;": "\u29af",
+    "angrt;": "\u221f",
+    "angrtvb;": "\u22be",
+    "angrtvbd;": "\u299d",
+    "angsph;": "\u2222",
+    "angst;": "\xc5",
+    "angzarr;": "\u237c",
+    "aogon;": "\u0105",
+    "aopf;": "\U0001d552",
+    "ap;": "\u2248",
+    "apE;": "\u2a70",
+    "apacir;": "\u2a6f",
+    "ape;": "\u224a",
+    "apid;": "\u224b",
+    "apos;": "'",
+    "approx;": "\u2248",
+    "approxeq;": "\u224a",
+    "aring": "\xe5",
+    "aring;": "\xe5",
+    "ascr;": "\U0001d4b6",
+    "ast;": "*",
+    "asymp;": "\u2248",
+    "asympeq;": "\u224d",
+    "atilde": "\xe3",
+    "atilde;": "\xe3",
+    "auml": "\xe4",
+    "auml;": "\xe4",
+    "awconint;": "\u2233",
+    "awint;": "\u2a11",
+    "bNot;": "\u2aed",
+    "backcong;": "\u224c",
+    "backepsilon;": "\u03f6",
+    "backprime;": "\u2035",
+    "backsim;": "\u223d",
+    "backsimeq;": "\u22cd",
+    "barvee;": "\u22bd",
+    "barwed;": "\u2305",
+    "barwedge;": "\u2305",
+    "bbrk;": "\u23b5",
+    "bbrktbrk;": "\u23b6",
+    "bcong;": "\u224c",
+    "bcy;": "\u0431",
+    "bdquo;": "\u201e",
+    "becaus;": "\u2235",
+    "because;": "\u2235",
+    "bemptyv;": "\u29b0",
+    "bepsi;": "\u03f6",
+    "bernou;": "\u212c",
+    "beta;": "\u03b2",
+    "beth;": "\u2136",
+    "between;": "\u226c",
+    "bfr;": "\U0001d51f",
+    "bigcap;": "\u22c2",
+    "bigcirc;": "\u25ef",
+    "bigcup;": "\u22c3",
+    "bigodot;": "\u2a00",
+    "bigoplus;": "\u2a01",
+    "bigotimes;": "\u2a02",
+    "bigsqcup;": "\u2a06",
+    "bigstar;": "\u2605",
+    "bigtriangledown;": "\u25bd",
+    "bigtriangleup;": "\u25b3",
+    "biguplus;": "\u2a04",
+    "bigvee;": "\u22c1",
+    "bigwedge;": "\u22c0",
+    "bkarow;": "\u290d",
+    "blacklozenge;": "\u29eb",
+    "blacksquare;": "\u25aa",
+    "blacktriangle;": "\u25b4",
+    "blacktriangledown;": "\u25be",
+    "blacktriangleleft;": "\u25c2",
+    "blacktriangleright;": "\u25b8",
+    "blank;": "\u2423",
+    "blk12;": "\u2592",
+    "blk14;": "\u2591",
+    "blk34;": "\u2593",
+    "block;": "\u2588",
+    "bne;": "=\u20e5",
+    "bnequiv;": "\u2261\u20e5",
+    "bnot;": "\u2310",
+    "bopf;": "\U0001d553",
+    "bot;": "\u22a5",
+    "bottom;": "\u22a5",
+    "bowtie;": "\u22c8",
+    "boxDL;": "\u2557",
+    "boxDR;": "\u2554",
+    "boxDl;": "\u2556",
+    "boxDr;": "\u2553",
+    "boxH;": "\u2550",
+    "boxHD;": "\u2566",
+    "boxHU;": "\u2569",
+    "boxHd;": "\u2564",
+    "boxHu;": "\u2567",
+    "boxUL;": "\u255d",
+    "boxUR;": "\u255a",
+    "boxUl;": "\u255c",
+    "boxUr;": "\u2559",
+    "boxV;": "\u2551",
+    "boxVH;": "\u256c",
+    "boxVL;": "\u2563",
+    "boxVR;": "\u2560",
+    "boxVh;": "\u256b",
+    "boxVl;": "\u2562",
+    "boxVr;": "\u255f",
+    "boxbox;": "\u29c9",
+    "boxdL;": "\u2555",
+    "boxdR;": "\u2552",
+    "boxdl;": "\u2510",
+    "boxdr;": "\u250c",
+    "boxh;": "\u2500",
+    "boxhD;": "\u2565",
+    "boxhU;": "\u2568",
+    "boxhd;": "\u252c",
+    "boxhu;": "\u2534",
+    "boxminus;": "\u229f",
+    "boxplus;": "\u229e",
+    "boxtimes;": "\u22a0",
+    "boxuL;": "\u255b",
+    "boxuR;": "\u2558",
+    "boxul;": "\u2518",
+    "boxur;": "\u2514",
+    "boxv;": "\u2502",
+    "boxvH;": "\u256a",
+    "boxvL;": "\u2561",
+    "boxvR;": "\u255e",
+    "boxvh;": "\u253c",
+    "boxvl;": "\u2524",
+    "boxvr;": "\u251c",
+    "bprime;": "\u2035",
+    "breve;": "\u02d8",
+    "brvbar": "\xa6",
+    "brvbar;": "\xa6",
+    "bscr;": "\U0001d4b7",
+    "bsemi;": "\u204f",
+    "bsim;": "\u223d",
+    "bsime;": "\u22cd",
+    "bsol;": "\\",
+    "bsolb;": "\u29c5",
+    "bsolhsub;": "\u27c8",
+    "bull;": "\u2022",
+    "bullet;": "\u2022",
+    "bump;": "\u224e",
+    "bumpE;": "\u2aae",
+    "bumpe;": "\u224f",
+    "bumpeq;": "\u224f",
+    "cacute;": "\u0107",
+    "cap;": "\u2229",
+    "capand;": "\u2a44",
+    "capbrcup;": "\u2a49",
+    "capcap;": "\u2a4b",
+    "capcup;": "\u2a47",
+    "capdot;": "\u2a40",
+    "caps;": "\u2229\ufe00",
+    "caret;": "\u2041",
+    "caron;": "\u02c7",
+    "ccaps;": "\u2a4d",
+    "ccaron;": "\u010d",
+    "ccedil": "\xe7",
+    "ccedil;": "\xe7",
+    "ccirc;": "\u0109",
+    "ccups;": "\u2a4c",
+    "ccupssm;": "\u2a50",
+    "cdot;": "\u010b",
+    "cedil": "\xb8",
+    "cedil;": "\xb8",
+    "cemptyv;": "\u29b2",
+    "cent": "\xa2",
+    "cent;": "\xa2",
+    "centerdot;": "\xb7",
+    "cfr;": "\U0001d520",
+    "chcy;": "\u0447",
+    "check;": "\u2713",
+    "checkmark;": "\u2713",
+    "chi;": "\u03c7",
+    "cir;": "\u25cb",
+    "cirE;": "\u29c3",
+    "circ;": "\u02c6",
+    "circeq;": "\u2257",
+    "circlearrowleft;": "\u21ba",
+    "circlearrowright;": "\u21bb",
+    "circledR;": "\xae",
+    "circledS;": "\u24c8",
+    "circledast;": "\u229b",
+    "circledcirc;": "\u229a",
+    "circleddash;": "\u229d",
+    "cire;": "\u2257",
+    "cirfnint;": "\u2a10",
+    "cirmid;": "\u2aef",
+    "cirscir;": "\u29c2",
+    "clubs;": "\u2663",
+    "clubsuit;": "\u2663",
+    "colon;": ":",
+    "colone;": "\u2254",
+    "coloneq;": "\u2254",
+    "comma;": ",",
+    "commat;": "@",
+    "comp;": "\u2201",
+    "compfn;": "\u2218",
+    "complement;": "\u2201",
+    "complexes;": "\u2102",
+    "cong;": "\u2245",
+    "congdot;": "\u2a6d",
+    "conint;": "\u222e",
+    "copf;": "\U0001d554",
+    "coprod;": "\u2210",
+    "copy": "\xa9",
+    "copy;": "\xa9",
+    "copysr;": "\u2117",
+    "crarr;": "\u21b5",
+    "cross;": "\u2717",
+    "cscr;": "\U0001d4b8",
+    "csub;": "\u2acf",
+    "csube;": "\u2ad1",
+    "csup;": "\u2ad0",
+    "csupe;": "\u2ad2",
+    "ctdot;": "\u22ef",
+    "cudarrl;": "\u2938",
+    "cudarrr;": "\u2935",
+    "cuepr;": "\u22de",
+    "cuesc;": "\u22df",
+    "cularr;": "\u21b6",
+    "cularrp;": "\u293d",
+    "cup;": "\u222a",
+    "cupbrcap;": "\u2a48",
+    "cupcap;": "\u2a46",
+    "cupcup;": "\u2a4a",
+    "cupdot;": "\u228d",
+    "cupor;": "\u2a45",
+    "cups;": "\u222a\ufe00",
+    "curarr;": "\u21b7",
+    "curarrm;": "\u293c",
+    "curlyeqprec;": "\u22de",
+    "curlyeqsucc;": "\u22df",
+    "curlyvee;": "\u22ce",
+    "curlywedge;": "\u22cf",
+    "curren": "\xa4",
+    "curren;": "\xa4",
+    "curvearrowleft;": "\u21b6",
+    "curvearrowright;": "\u21b7",
+    "cuvee;": "\u22ce",
+    "cuwed;": "\u22cf",
+    "cwconint;": "\u2232",
+    "cwint;": "\u2231",
+    "cylcty;": "\u232d",
+    "dArr;": "\u21d3",
+    "dHar;": "\u2965",
+    "dagger;": "\u2020",
+    "daleth;": "\u2138",
+    "darr;": "\u2193",
+    "dash;": "\u2010",
+    "dashv;": "\u22a3",
+    "dbkarow;": "\u290f",
+    "dblac;": "\u02dd",
+    "dcaron;": "\u010f",
+    "dcy;": "\u0434",
+    "dd;": "\u2146",
+    "ddagger;": "\u2021",
+    "ddarr;": "\u21ca",
+    "ddotseq;": "\u2a77",
+    "deg": "\xb0",
+    "deg;": "\xb0",
+    "delta;": "\u03b4",
+    "demptyv;": "\u29b1",
+    "dfisht;": "\u297f",
+    "dfr;": "\U0001d521",
+    "dharl;": "\u21c3",
+    "dharr;": "\u21c2",
+    "diam;": "\u22c4",
+    "diamond;": "\u22c4",
+    "diamondsuit;": "\u2666",
+    "diams;": "\u2666",
+    "die;": "\xa8",
+    "digamma;": "\u03dd",
+    "disin;": "\u22f2",
+    "div;": "\xf7",
+    "divide": "\xf7",
+    "divide;": "\xf7",
+    "divideontimes;": "\u22c7",
+    "divonx;": "\u22c7",
+    "djcy;": "\u0452",
+    "dlcorn;": "\u231e",
+    "dlcrop;": "\u230d",
+    "dollar;": "$",
+    "dopf;": "\U0001d555",
+    "dot;": "\u02d9",
+    "doteq;": "\u2250",
+    "doteqdot;": "\u2251",
+    "dotminus;": "\u2238",
+    "dotplus;": "\u2214",
+    "dotsquare;": "\u22a1",
+    "doublebarwedge;": "\u2306",
+    "downarrow;": "\u2193",
+    "downdownarrows;": "\u21ca",
+    "downharpoonleft;": "\u21c3",
+    "downharpoonright;": "\u21c2",
+    "drbkarow;": "\u2910",
+    "drcorn;": "\u231f",
+    "drcrop;": "\u230c",
+    "dscr;": "\U0001d4b9",
+    "dscy;": "\u0455",
+    "dsol;": "\u29f6",
+    "dstrok;": "\u0111",
+    "dtdot;": "\u22f1",
+    "dtri;": "\u25bf",
+    "dtrif;": "\u25be",
+    "duarr;": "\u21f5",
+    "duhar;": "\u296f",
+    "dwangle;": "\u29a6",
+    "dzcy;": "\u045f",
+    "dzigrarr;": "\u27ff",
+    "eDDot;": "\u2a77",
+    "eDot;": "\u2251",
+    "eacute": "\xe9",
+    "eacute;": "\xe9",
+    "easter;": "\u2a6e",
+    "ecaron;": "\u011b",
+    "ecir;": "\u2256",
+    "ecirc": "\xea",
+    "ecirc;": "\xea",
+    "ecolon;": "\u2255",
+    "ecy;": "\u044d",
+    "edot;": "\u0117",
+    "ee;": "\u2147",
+    "efDot;": "\u2252",
+    "efr;": "\U0001d522",
+    "eg;": "\u2a9a",
+    "egrave": "\xe8",
+    "egrave;": "\xe8",
+    "egs;": "\u2a96",
+    "egsdot;": "\u2a98",
+    "el;": "\u2a99",
+    "elinters;": "\u23e7",
+    "ell;": "\u2113",
+    "els;": "\u2a95",
+    "elsdot;": "\u2a97",
+    "emacr;": "\u0113",
+    "empty;": "\u2205",
+    "emptyset;": "\u2205",
+    "emptyv;": "\u2205",
+    "emsp13;": "\u2004",
+    "emsp14;": "\u2005",
+    "emsp;": "\u2003",
+    "eng;": "\u014b",
+    "ensp;": "\u2002",
+    "eogon;": "\u0119",
+    "eopf;": "\U0001d556",
+    "epar;": "\u22d5",
+    "eparsl;": "\u29e3",
+    "eplus;": "\u2a71",
+    "epsi;": "\u03b5",
+    "epsilon;": "\u03b5",
+    "epsiv;": "\u03f5",
+    "eqcirc;": "\u2256",
+    "eqcolon;": "\u2255",
+    "eqsim;": "\u2242",
+    "eqslantgtr;": "\u2a96",
+    "eqslantless;": "\u2a95",
+    "equals;": "=",
+    "equest;": "\u225f",
+    "equiv;": "\u2261",
+    "equivDD;": "\u2a78",
+    "eqvparsl;": "\u29e5",
+    "erDot;": "\u2253",
+    "erarr;": "\u2971",
+    "escr;": "\u212f",
+    "esdot;": "\u2250",
+    "esim;": "\u2242",
+    "eta;": "\u03b7",
+    "eth": "\xf0",
+    "eth;": "\xf0",
+    "euml": "\xeb",
+    "euml;": "\xeb",
+    "euro;": "\u20ac",
+    "excl;": "!",
+    "exist;": "\u2203",
+    "expectation;": "\u2130",
+    "exponentiale;": "\u2147",
+    "fallingdotseq;": "\u2252",
+    "fcy;": "\u0444",
+    "female;": "\u2640",
+    "ffilig;": "\ufb03",
+    "fflig;": "\ufb00",
+    "ffllig;": "\ufb04",
+    "ffr;": "\U0001d523",
+    "filig;": "\ufb01",
+    "fjlig;": "fj",
+    "flat;": "\u266d",
+    "fllig;": "\ufb02",
+    "fltns;": "\u25b1",
+    "fnof;": "\u0192",
+    "fopf;": "\U0001d557",
+    "forall;": "\u2200",
+    "fork;": "\u22d4",
+    "forkv;": "\u2ad9",
+    "fpartint;": "\u2a0d",
+    "frac12": "\xbd",
+    "frac12;": "\xbd",
+    "frac13;": "\u2153",
+    "frac14": "\xbc",
+    "frac14;": "\xbc",
+    "frac15;": "\u2155",
+    "frac16;": "\u2159",
+    "frac18;": "\u215b",
+    "frac23;": "\u2154",
+    "frac25;": "\u2156",
+    "frac34": "\xbe",
+    "frac34;": "\xbe",
+    "frac35;": "\u2157",
+    "frac38;": "\u215c",
+    "frac45;": "\u2158",
+    "frac56;": "\u215a",
+    "frac58;": "\u215d",
+    "frac78;": "\u215e",
+    "frasl;": "\u2044",
+    "frown;": "\u2322",
+    "fscr;": "\U0001d4bb",
+    "gE;": "\u2267",
+    "gEl;": "\u2a8c",
+    "gacute;": "\u01f5",
+    "gamma;": "\u03b3",
+    "gammad;": "\u03dd",
+    "gap;": "\u2a86",
+    "gbreve;": "\u011f",
+    "gcirc;": "\u011d",
+    "gcy;": "\u0433",
+    "gdot;": "\u0121",
+    "ge;": "\u2265",
+    "gel;": "\u22db",
+    "geq;": "\u2265",
+    "geqq;": "\u2267",
+    "geqslant;": "\u2a7e",
+    "ges;": "\u2a7e",
+    "gescc;": "\u2aa9",
+    "gesdot;": "\u2a80",
+    "gesdoto;": "\u2a82",
+    "gesdotol;": "\u2a84",
+    "gesl;": "\u22db\ufe00",
+    "gesles;": "\u2a94",
+    "gfr;": "\U0001d524",
+    "gg;": "\u226b",
+    "ggg;": "\u22d9",
+    "gimel;": "\u2137",
+    "gjcy;": "\u0453",
+    "gl;": "\u2277",
+    "glE;": "\u2a92",
+    "gla;": "\u2aa5",
+    "glj;": "\u2aa4",
+    "gnE;": "\u2269",
+    "gnap;": "\u2a8a",
+    "gnapprox;": "\u2a8a",
+    "gne;": "\u2a88",
+    "gneq;": "\u2a88",
+    "gneqq;": "\u2269",
+    "gnsim;": "\u22e7",
+    "gopf;": "\U0001d558",
+    "grave;": "`",
+    "gscr;": "\u210a",
+    "gsim;": "\u2273",
+    "gsime;": "\u2a8e",
+    "gsiml;": "\u2a90",
+    "gt": ">",
+    "gt;": ">",
+    "gtcc;": "\u2aa7",
+    "gtcir;": "\u2a7a",
+    "gtdot;": "\u22d7",
+    "gtlPar;": "\u2995",
+    "gtquest;": "\u2a7c",
+    "gtrapprox;": "\u2a86",
+    "gtrarr;": "\u2978",
+    "gtrdot;": "\u22d7",
+    "gtreqless;": "\u22db",
+    "gtreqqless;": "\u2a8c",
+    "gtrless;": "\u2277",
+    "gtrsim;": "\u2273",
+    "gvertneqq;": "\u2269\ufe00",
+    "gvnE;": "\u2269\ufe00",
+    "hArr;": "\u21d4",
+    "hairsp;": "\u200a",
+    "half;": "\xbd",
+    "hamilt;": "\u210b",
+    "hardcy;": "\u044a",
+    "harr;": "\u2194",
+    "harrcir;": "\u2948",
+    "harrw;": "\u21ad",
+    "hbar;": "\u210f",
+    "hcirc;": "\u0125",
+    "hearts;": "\u2665",
+    "heartsuit;": "\u2665",
+    "hellip;": "\u2026",
+    "hercon;": "\u22b9",
+    "hfr;": "\U0001d525",
+    "hksearow;": "\u2925",
+    "hkswarow;": "\u2926",
+    "hoarr;": "\u21ff",
+    "homtht;": "\u223b",
+    "hookleftarrow;": "\u21a9",
+    "hookrightarrow;": "\u21aa",
+    "hopf;": "\U0001d559",
+    "horbar;": "\u2015",
+    "hscr;": "\U0001d4bd",
+    "hslash;": "\u210f",
+    "hstrok;": "\u0127",
+    "hybull;": "\u2043",
+    "hyphen;": "\u2010",
+    "iacute": "\xed",
+    "iacute;": "\xed",
+    "ic;": "\u2063",
+    "icirc": "\xee",
+    "icirc;": "\xee",
+    "icy;": "\u0438",
+    "iecy;": "\u0435",
+    "iexcl": "\xa1",
+    "iexcl;": "\xa1",
+    "iff;": "\u21d4",
+    "ifr;": "\U0001d526",
+    "igrave": "\xec",
+    "igrave;": "\xec",
+    "ii;": "\u2148",
+    "iiiint;": "\u2a0c",
+    "iiint;": "\u222d",
+    "iinfin;": "\u29dc",
+    "iiota;": "\u2129",
+    "ijlig;": "\u0133",
+    "imacr;": "\u012b",
+    "image;": "\u2111",
+    "imagline;": "\u2110",
+    "imagpart;": "\u2111",
+    "imath;": "\u0131",
+    "imof;": "\u22b7",
+    "imped;": "\u01b5",
+    "in;": "\u2208",
+    "incare;": "\u2105",
+    "infin;": "\u221e",
+    "infintie;": "\u29dd",
+    "inodot;": "\u0131",
+    "int;": "\u222b",
+    "intcal;": "\u22ba",
+    "integers;": "\u2124",
+    "intercal;": "\u22ba",
+    "intlarhk;": "\u2a17",
+    "intprod;": "\u2a3c",
+    "iocy;": "\u0451",
+    "iogon;": "\u012f",
+    "iopf;": "\U0001d55a",
+    "iota;": "\u03b9",
+    "iprod;": "\u2a3c",
+    "iquest": "\xbf",
+    "iquest;": "\xbf",
+    "iscr;": "\U0001d4be",
+    "isin;": "\u2208",
+    "isinE;": "\u22f9",
+    "isindot;": "\u22f5",
+    "isins;": "\u22f4",
+    "isinsv;": "\u22f3",
+    "isinv;": "\u2208",
+    "it;": "\u2062",
+    "itilde;": "\u0129",
+    "iukcy;": "\u0456",
+    "iuml": "\xef",
+    "iuml;": "\xef",
+    "jcirc;": "\u0135",
+    "jcy;": "\u0439",
+    "jfr;": "\U0001d527",
+    "jmath;": "\u0237",
+    "jopf;": "\U0001d55b",
+    "jscr;": "\U0001d4bf",
+    "jsercy;": "\u0458",
+    "jukcy;": "\u0454",
+    "kappa;": "\u03ba",
+    "kappav;": "\u03f0",
+    "kcedil;": "\u0137",
+    "kcy;": "\u043a",
+    "kfr;": "\U0001d528",
+    "kgreen;": "\u0138",
+    "khcy;": "\u0445",
+    "kjcy;": "\u045c",
+    "kopf;": "\U0001d55c",
+    "kscr;": "\U0001d4c0",
+    "lAarr;": "\u21da",
+    "lArr;": "\u21d0",
+    "lAtail;": "\u291b",
+    "lBarr;": "\u290e",
+    "lE;": "\u2266",
+    "lEg;": "\u2a8b",
+    "lHar;": "\u2962",
+    "lacute;": "\u013a",
+    "laemptyv;": "\u29b4",
+    "lagran;": "\u2112",
+    "lambda;": "\u03bb",
+    "lang;": "\u27e8",
+    "langd;": "\u2991",
+    "langle;": "\u27e8",
+    "lap;": "\u2a85",
+    "laquo": "\xab",
+    "laquo;": "\xab",
+    "larr;": "\u2190",
+    "larrb;": "\u21e4",
+    "larrbfs;": "\u291f",
+    "larrfs;": "\u291d",
+    "larrhk;": "\u21a9",
+    "larrlp;": "\u21ab",
+    "larrpl;": "\u2939",
+    "larrsim;": "\u2973",
+    "larrtl;": "\u21a2",
+    "lat;": "\u2aab",
+    "latail;": "\u2919",
+    "late;": "\u2aad",
+    "lates;": "\u2aad\ufe00",
+    "lbarr;": "\u290c",
+    "lbbrk;": "\u2772",
+    "lbrace;": "{",
+    "lbrack;": "[",
+    "lbrke;": "\u298b",
+    "lbrksld;": "\u298f",
+    "lbrkslu;": "\u298d",
+    "lcaron;": "\u013e",
+    "lcedil;": "\u013c",
+    "lceil;": "\u2308",
+    "lcub;": "{",
+    "lcy;": "\u043b",
+    "ldca;": "\u2936",
+    "ldquo;": "\u201c",
+    "ldquor;": "\u201e",
+    "ldrdhar;": "\u2967",
+    "ldrushar;": "\u294b",
+    "ldsh;": "\u21b2",
+    "le;": "\u2264",
+    "leftarrow;": "\u2190",
+    "leftarrowtail;": "\u21a2",
+    "leftharpoondown;": "\u21bd",
+    "leftharpoonup;": "\u21bc",
+    "leftleftarrows;": "\u21c7",
+    "leftrightarrow;": "\u2194",
+    "leftrightarrows;": "\u21c6",
+    "leftrightharpoons;": "\u21cb",
+    "leftrightsquigarrow;": "\u21ad",
+    "leftthreetimes;": "\u22cb",
+    "leg;": "\u22da",
+    "leq;": "\u2264",
+    "leqq;": "\u2266",
+    "leqslant;": "\u2a7d",
+    "les;": "\u2a7d",
+    "lescc;": "\u2aa8",
+    "lesdot;": "\u2a7f",
+    "lesdoto;": "\u2a81",
+    "lesdotor;": "\u2a83",
+    "lesg;": "\u22da\ufe00",
+    "lesges;": "\u2a93",
+    "lessapprox;": "\u2a85",
+    "lessdot;": "\u22d6",
+    "lesseqgtr;": "\u22da",
+    "lesseqqgtr;": "\u2a8b",
+    "lessgtr;": "\u2276",
+    "lesssim;": "\u2272",
+    "lfisht;": "\u297c",
+    "lfloor;": "\u230a",
+    "lfr;": "\U0001d529",
+    "lg;": "\u2276",
+    "lgE;": "\u2a91",
+    "lhard;": "\u21bd",
+    "lharu;": "\u21bc",
+    "lharul;": "\u296a",
+    "lhblk;": "\u2584",
+    "ljcy;": "\u0459",
+    "ll;": "\u226a",
+    "llarr;": "\u21c7",
+    "llcorner;": "\u231e",
+    "llhard;": "\u296b",
+    "lltri;": "\u25fa",
+    "lmidot;": "\u0140",
+    "lmoust;": "\u23b0",
+    "lmoustache;": "\u23b0",
+    "lnE;": "\u2268",
+    "lnap;": "\u2a89",
+    "lnapprox;": "\u2a89",
+    "lne;": "\u2a87",
+    "lneq;": "\u2a87",
+    "lneqq;": "\u2268",
+    "lnsim;": "\u22e6",
+    "loang;": "\u27ec",
+    "loarr;": "\u21fd",
+    "lobrk;": "\u27e6",
+    "longleftarrow;": "\u27f5",
+    "longleftrightarrow;": "\u27f7",
+    "longmapsto;": "\u27fc",
+    "longrightarrow;": "\u27f6",
+    "looparrowleft;": "\u21ab",
+    "looparrowright;": "\u21ac",
+    "lopar;": "\u2985",
+    "lopf;": "\U0001d55d",
+    "loplus;": "\u2a2d",
+    "lotimes;": "\u2a34",
+    "lowast;": "\u2217",
+    "lowbar;": "_",
+    "loz;": "\u25ca",
+    "lozenge;": "\u25ca",
+    "lozf;": "\u29eb",
+    "lpar;": "(",
+    "lparlt;": "\u2993",
+    "lrarr;": "\u21c6",
+    "lrcorner;": "\u231f",
+    "lrhar;": "\u21cb",
+    "lrhard;": "\u296d",
+    "lrm;": "\u200e",
+    "lrtri;": "\u22bf",
+    "lsaquo;": "\u2039",
+    "lscr;": "\U0001d4c1",
+    "lsh;": "\u21b0",
+    "lsim;": "\u2272",
+    "lsime;": "\u2a8d",
+    "lsimg;": "\u2a8f",
+    "lsqb;": "[",
+    "lsquo;": "\u2018",
+    "lsquor;": "\u201a",
+    "lstrok;": "\u0142",
+    "lt": "<",
+    "lt;": "<",
+    "ltcc;": "\u2aa6",
+    "ltcir;": "\u2a79",
+    "ltdot;": "\u22d6",
+    "lthree;": "\u22cb",
+    "ltimes;": "\u22c9",
+    "ltlarr;": "\u2976",
+    "ltquest;": "\u2a7b",
+    "ltrPar;": "\u2996",
+    "ltri;": "\u25c3",
+    "ltrie;": "\u22b4",
+    "ltrif;": "\u25c2",
+    "lurdshar;": "\u294a",
+    "luruhar;": "\u2966",
+    "lvertneqq;": "\u2268\ufe00",
+    "lvnE;": "\u2268\ufe00",
+    "mDDot;": "\u223a",
+    "macr": "\xaf",
+    "macr;": "\xaf",
+    "male;": "\u2642",
+    "malt;": "\u2720",
+    "maltese;": "\u2720",
+    "map;": "\u21a6",
+    "mapsto;": "\u21a6",
+    "mapstodown;": "\u21a7",
+    "mapstoleft;": "\u21a4",
+    "mapstoup;": "\u21a5",
+    "marker;": "\u25ae",
+    "mcomma;": "\u2a29",
+    "mcy;": "\u043c",
+    "mdash;": "\u2014",
+    "measuredangle;": "\u2221",
+    "mfr;": "\U0001d52a",
+    "mho;": "\u2127",
+    "micro": "\xb5",
+    "micro;": "\xb5",
+    "mid;": "\u2223",
+    "midast;": "*",
+    "midcir;": "\u2af0",
+    "middot": "\xb7",
+    "middot;": "\xb7",
+    "minus;": "\u2212",
+    "minusb;": "\u229f",
+    "minusd;": "\u2238",
+    "minusdu;": "\u2a2a",
+    "mlcp;": "\u2adb",
+    "mldr;": "\u2026",
+    "mnplus;": "\u2213",
+    "models;": "\u22a7",
+    "mopf;": "\U0001d55e",
+    "mp;": "\u2213",
+    "mscr;": "\U0001d4c2",
+    "mstpos;": "\u223e",
+    "mu;": "\u03bc",
+    "multimap;": "\u22b8",
+    "mumap;": "\u22b8",
+    "nGg;": "\u22d9\u0338",
+    "nGt;": "\u226b\u20d2",
+    "nGtv;": "\u226b\u0338",
+    "nLeftarrow;": "\u21cd",
+    "nLeftrightarrow;": "\u21ce",
+    "nLl;": "\u22d8\u0338",
+    "nLt;": "\u226a\u20d2",
+    "nLtv;": "\u226a\u0338",
+    "nRightarrow;": "\u21cf",
+    "nVDash;": "\u22af",
+    "nVdash;": "\u22ae",
+    "nabla;": "\u2207",
+    "nacute;": "\u0144",
+    "nang;": "\u2220\u20d2",
+    "nap;": "\u2249",
+    "napE;": "\u2a70\u0338",
+    "napid;": "\u224b\u0338",
+    "napos;": "\u0149",
+    "napprox;": "\u2249",
+    "natur;": "\u266e",
+    "natural;": "\u266e",
+    "naturals;": "\u2115",
+    "nbsp": "\xa0",
+    "nbsp;": "\xa0",
+    "nbump;": "\u224e\u0338",
+    "nbumpe;": "\u224f\u0338",
+    "ncap;": "\u2a43",
+    "ncaron;": "\u0148",
+    "ncedil;": "\u0146",
+    "ncong;": "\u2247",
+    "ncongdot;": "\u2a6d\u0338",
+    "ncup;": "\u2a42",
+    "ncy;": "\u043d",
+    "ndash;": "\u2013",
+    "ne;": "\u2260",
+    "neArr;": "\u21d7",
+    "nearhk;": "\u2924",
+    "nearr;": "\u2197",
+    "nearrow;": "\u2197",
+    "nedot;": "\u2250\u0338",
+    "nequiv;": "\u2262",
+    "nesear;": "\u2928",
+    "nesim;": "\u2242\u0338",
+    "nexist;": "\u2204",
+    "nexists;": "\u2204",
+    "nfr;": "\U0001d52b",
+    "ngE;": "\u2267\u0338",
+    "nge;": "\u2271",
+    "ngeq;": "\u2271",
+    "ngeqq;": "\u2267\u0338",
+    "ngeqslant;": "\u2a7e\u0338",
+    "nges;": "\u2a7e\u0338",
+    "ngsim;": "\u2275",
+    "ngt;": "\u226f",
+    "ngtr;": "\u226f",
+    "nhArr;": "\u21ce",
+    "nharr;": "\u21ae",
+    "nhpar;": "\u2af2",
+    "ni;": "\u220b",
+    "nis;": "\u22fc",
+    "nisd;": "\u22fa",
+    "niv;": "\u220b",
+    "njcy;": "\u045a",
+    "nlArr;": "\u21cd",
+    "nlE;": "\u2266\u0338",
+    "nlarr;": "\u219a",
+    "nldr;": "\u2025",
+    "nle;": "\u2270",
+    "nleftarrow;": "\u219a",
+    "nleftrightarrow;": "\u21ae",
+    "nleq;": "\u2270",
+    "nleqq;": "\u2266\u0338",
+    "nleqslant;": "\u2a7d\u0338",
+    "nles;": "\u2a7d\u0338",
+    "nless;": "\u226e",
+    "nlsim;": "\u2274",
+    "nlt;": "\u226e",
+    "nltri;": "\u22ea",
+    "nltrie;": "\u22ec",
+    "nmid;": "\u2224",
+    "nopf;": "\U0001d55f",
+    "not": "\xac",
+    "not;": "\xac",
+    "notin;": "\u2209",
+    "notinE;": "\u22f9\u0338",
+    "notindot;": "\u22f5\u0338",
+    "notinva;": "\u2209",
+    "notinvb;": "\u22f7",
+    "notinvc;": "\u22f6",
+    "notni;": "\u220c",
+    "notniva;": "\u220c",
+    "notnivb;": "\u22fe",
+    "notnivc;": "\u22fd",
+    "npar;": "\u2226",
+    "nparallel;": "\u2226",
+    "nparsl;": "\u2afd\u20e5",
+    "npart;": "\u2202\u0338",
+    "npolint;": "\u2a14",
+    "npr;": "\u2280",
+    "nprcue;": "\u22e0",
+    "npre;": "\u2aaf\u0338",
+    "nprec;": "\u2280",
+    "npreceq;": "\u2aaf\u0338",
+    "nrArr;": "\u21cf",
+    "nrarr;": "\u219b",
+    "nrarrc;": "\u2933\u0338",
+    "nrarrw;": "\u219d\u0338",
+    "nrightarrow;": "\u219b",
+    "nrtri;": "\u22eb",
+    "nrtrie;": "\u22ed",
+    "nsc;": "\u2281",
+    "nsccue;": "\u22e1",
+    "nsce;": "\u2ab0\u0338",
+    "nscr;": "\U0001d4c3",
+    "nshortmid;": "\u2224",
+    "nshortparallel;": "\u2226",
+    "nsim;": "\u2241",
+    "nsime;": "\u2244",
+    "nsimeq;": "\u2244",
+    "nsmid;": "\u2224",
+    "nspar;": "\u2226",
+    "nsqsube;": "\u22e2",
+    "nsqsupe;": "\u22e3",
+    "nsub;": "\u2284",
+    "nsubE;": "\u2ac5\u0338",
+    "nsube;": "\u2288",
+    "nsubset;": "\u2282\u20d2",
+    "nsubseteq;": "\u2288",
+    "nsubseteqq;": "\u2ac5\u0338",
+    "nsucc;": "\u2281",
+    "nsucceq;": "\u2ab0\u0338",
+    "nsup;": "\u2285",
+    "nsupE;": "\u2ac6\u0338",
+    "nsupe;": "\u2289",
+    "nsupset;": "\u2283\u20d2",
+    "nsupseteq;": "\u2289",
+    "nsupseteqq;": "\u2ac6\u0338",
+    "ntgl;": "\u2279",
+    "ntilde": "\xf1",
+    "ntilde;": "\xf1",
+    "ntlg;": "\u2278",
+    "ntriangleleft;": "\u22ea",
+    "ntrianglelefteq;": "\u22ec",
+    "ntriangleright;": "\u22eb",
+    "ntrianglerighteq;": "\u22ed",
+    "nu;": "\u03bd",
+    "num;": "#",
+    "numero;": "\u2116",
+    "numsp;": "\u2007",
+    "nvDash;": "\u22ad",
+    "nvHarr;": "\u2904",
+    "nvap;": "\u224d\u20d2",
+    "nvdash;": "\u22ac",
+    "nvge;": "\u2265\u20d2",
+    "nvgt;": ">\u20d2",
+    "nvinfin;": "\u29de",
+    "nvlArr;": "\u2902",
+    "nvle;": "\u2264\u20d2",
+    "nvlt;": "<\u20d2",
+    "nvltrie;": "\u22b4\u20d2",
+    "nvrArr;": "\u2903",
+    "nvrtrie;": "\u22b5\u20d2",
+    "nvsim;": "\u223c\u20d2",
+    "nwArr;": "\u21d6",
+    "nwarhk;": "\u2923",
+    "nwarr;": "\u2196",
+    "nwarrow;": "\u2196",
+    "nwnear;": "\u2927",
+    "oS;": "\u24c8",
+    "oacute": "\xf3",
+    "oacute;": "\xf3",
+    "oast;": "\u229b",
+    "ocir;": "\u229a",
+    "ocirc": "\xf4",
+    "ocirc;": "\xf4",
+    "ocy;": "\u043e",
+    "odash;": "\u229d",
+    "odblac;": "\u0151",
+    "odiv;": "\u2a38",
+    "odot;": "\u2299",
+    "odsold;": "\u29bc",
+    "oelig;": "\u0153",
+    "ofcir;": "\u29bf",
+    "ofr;": "\U0001d52c",
+    "ogon;": "\u02db",
+    "ograve": "\xf2",
+    "ograve;": "\xf2",
+    "ogt;": "\u29c1",
+    "ohbar;": "\u29b5",
+    "ohm;": "\u03a9",
+    "oint;": "\u222e",
+    "olarr;": "\u21ba",
+    "olcir;": "\u29be",
+    "olcross;": "\u29bb",
+    "oline;": "\u203e",
+    "olt;": "\u29c0",
+    "omacr;": "\u014d",
+    "omega;": "\u03c9",
+    "omicron;": "\u03bf",
+    "omid;": "\u29b6",
+    "ominus;": "\u2296",
+    "oopf;": "\U0001d560",
+    "opar;": "\u29b7",
+    "operp;": "\u29b9",
+    "oplus;": "\u2295",
+    "or;": "\u2228",
+    "orarr;": "\u21bb",
+    "ord;": "\u2a5d",
+    "order;": "\u2134",
+    "orderof;": "\u2134",
+    "ordf": "\xaa",
+    "ordf;": "\xaa",
+    "ordm": "\xba",
+    "ordm;": "\xba",
+    "origof;": "\u22b6",
+    "oror;": "\u2a56",
+    "orslope;": "\u2a57",
+    "orv;": "\u2a5b",
+    "oscr;": "\u2134",
+    "oslash": "\xf8",
+    "oslash;": "\xf8",
+    "osol;": "\u2298",
+    "otilde": "\xf5",
+    "otilde;": "\xf5",
+    "otimes;": "\u2297",
+    "otimesas;": "\u2a36",
+    "ouml": "\xf6",
+    "ouml;": "\xf6",
+    "ovbar;": "\u233d",
+    "par;": "\u2225",
+    "para": "\xb6",
+    "para;": "\xb6",
+    "parallel;": "\u2225",
+    "parsim;": "\u2af3",
+    "parsl;": "\u2afd",
+    "part;": "\u2202",
+    "pcy;": "\u043f",
+    "percnt;": "%",
+    "period;": ".",
+    "permil;": "\u2030",
+    "perp;": "\u22a5",
+    "pertenk;": "\u2031",
+    "pfr;": "\U0001d52d",
+    "phi;": "\u03c6",
+    "phiv;": "\u03d5",
+    "phmmat;": "\u2133",
+    "phone;": "\u260e",
+    "pi;": "\u03c0",
+    "pitchfork;": "\u22d4",
+    "piv;": "\u03d6",
+    "planck;": "\u210f",
+    "planckh;": "\u210e",
+    "plankv;": "\u210f",
+    "plus;": "+",
+    "plusacir;": "\u2a23",
+    "plusb;": "\u229e",
+    "pluscir;": "\u2a22",
+    "plusdo;": "\u2214",
+    "plusdu;": "\u2a25",
+    "pluse;": "\u2a72",
+    "plusmn": "\xb1",
+    "plusmn;": "\xb1",
+    "plussim;": "\u2a26",
+    "plustwo;": "\u2a27",
+    "pm;": "\xb1",
+    "pointint;": "\u2a15",
+    "popf;": "\U0001d561",
+    "pound": "\xa3",
+    "pound;": "\xa3",
+    "pr;": "\u227a",
+    "prE;": "\u2ab3",
+    "prap;": "\u2ab7",
+    "prcue;": "\u227c",
+    "pre;": "\u2aaf",
+    "prec;": "\u227a",
+    "precapprox;": "\u2ab7",
+    "preccurlyeq;": "\u227c",
+    "preceq;": "\u2aaf",
+    "precnapprox;": "\u2ab9",
+    "precneqq;": "\u2ab5",
+    "precnsim;": "\u22e8",
+    "precsim;": "\u227e",
+    "prime;": "\u2032",
+    "primes;": "\u2119",
+    "prnE;": "\u2ab5",
+    "prnap;": "\u2ab9",
+    "prnsim;": "\u22e8",
+    "prod;": "\u220f",
+    "profalar;": "\u232e",
+    "profline;": "\u2312",
+    "profsurf;": "\u2313",
+    "prop;": "\u221d",
+    "propto;": "\u221d",
+    "prsim;": "\u227e",
+    "prurel;": "\u22b0",
+    "pscr;": "\U0001d4c5",
+    "psi;": "\u03c8",
+    "puncsp;": "\u2008",
+    "qfr;": "\U0001d52e",
+    "qint;": "\u2a0c",
+    "qopf;": "\U0001d562",
+    "qprime;": "\u2057",
+    "qscr;": "\U0001d4c6",
+    "quaternions;": "\u210d",
+    "quatint;": "\u2a16",
+    "quest;": "?",
+    "questeq;": "\u225f",
+    "quot": "\"",
+    "quot;": "\"",
+    "rAarr;": "\u21db",
+    "rArr;": "\u21d2",
+    "rAtail;": "\u291c",
+    "rBarr;": "\u290f",
+    "rHar;": "\u2964",
+    "race;": "\u223d\u0331",
+    "racute;": "\u0155",
+    "radic;": "\u221a",
+    "raemptyv;": "\u29b3",
+    "rang;": "\u27e9",
+    "rangd;": "\u2992",
+    "range;": "\u29a5",
+    "rangle;": "\u27e9",
+    "raquo": "\xbb",
+    "raquo;": "\xbb",
+    "rarr;": "\u2192",
+    "rarrap;": "\u2975",
+    "rarrb;": "\u21e5",
+    "rarrbfs;": "\u2920",
+    "rarrc;": "\u2933",
+    "rarrfs;": "\u291e",
+    "rarrhk;": "\u21aa",
+    "rarrlp;": "\u21ac",
+    "rarrpl;": "\u2945",
+    "rarrsim;": "\u2974",
+    "rarrtl;": "\u21a3",
+    "rarrw;": "\u219d",
+    "ratail;": "\u291a",
+    "ratio;": "\u2236",
+    "rationals;": "\u211a",
+    "rbarr;": "\u290d",
+    "rbbrk;": "\u2773",
+    "rbrace;": "}",
+    "rbrack;": "]",
+    "rbrke;": "\u298c",
+    "rbrksld;": "\u298e",
+    "rbrkslu;": "\u2990",
+    "rcaron;": "\u0159",
+    "rcedil;": "\u0157",
+    "rceil;": "\u2309",
+    "rcub;": "}",
+    "rcy;": "\u0440",
+    "rdca;": "\u2937",
+    "rdldhar;": "\u2969",
+    "rdquo;": "\u201d",
+    "rdquor;": "\u201d",
+    "rdsh;": "\u21b3",
+    "real;": "\u211c",
+    "realine;": "\u211b",
+    "realpart;": "\u211c",
+    "reals;": "\u211d",
+    "rect;": "\u25ad",
+    "reg": "\xae",
+    "reg;": "\xae",
+    "rfisht;": "\u297d",
+    "rfloor;": "\u230b",
+    "rfr;": "\U0001d52f",
+    "rhard;": "\u21c1",
+    "rharu;": "\u21c0",
+    "rharul;": "\u296c",
+    "rho;": "\u03c1",
+    "rhov;": "\u03f1",
+    "rightarrow;": "\u2192",
+    "rightarrowtail;": "\u21a3",
+    "rightharpoondown;": "\u21c1",
+    "rightharpoonup;": "\u21c0",
+    "rightleftarrows;": "\u21c4",
+    "rightleftharpoons;": "\u21cc",
+    "rightrightarrows;": "\u21c9",
+    "rightsquigarrow;": "\u219d",
+    "rightthreetimes;": "\u22cc",
+    "ring;": "\u02da",
+    "risingdotseq;": "\u2253",
+    "rlarr;": "\u21c4",
+    "rlhar;": "\u21cc",
+    "rlm;": "\u200f",
+    "rmoust;": "\u23b1",
+    "rmoustache;": "\u23b1",
+    "rnmid;": "\u2aee",
+    "roang;": "\u27ed",
+    "roarr;": "\u21fe",
+    "robrk;": "\u27e7",
+    "ropar;": "\u2986",
+    "ropf;": "\U0001d563",
+    "roplus;": "\u2a2e",
+    "rotimes;": "\u2a35",
+    "rpar;": ")",
+    "rpargt;": "\u2994",
+    "rppolint;": "\u2a12",
+    "rrarr;": "\u21c9",
+    "rsaquo;": "\u203a",
+    "rscr;": "\U0001d4c7",
+    "rsh;": "\u21b1",
+    "rsqb;": "]",
+    "rsquo;": "\u2019",
+    "rsquor;": "\u2019",
+    "rthree;": "\u22cc",
+    "rtimes;": "\u22ca",
+    "rtri;": "\u25b9",
+    "rtrie;": "\u22b5",
+    "rtrif;": "\u25b8",
+    "rtriltri;": "\u29ce",
+    "ruluhar;": "\u2968",
+    "rx;": "\u211e",
+    "sacute;": "\u015b",
+    "sbquo;": "\u201a",
+    "sc;": "\u227b",
+    "scE;": "\u2ab4",
+    "scap;": "\u2ab8",
+    "scaron;": "\u0161",
+    "sccue;": "\u227d",
+    "sce;": "\u2ab0",
+    "scedil;": "\u015f",
+    "scirc;": "\u015d",
+    "scnE;": "\u2ab6",
+    "scnap;": "\u2aba",
+    "scnsim;": "\u22e9",
+    "scpolint;": "\u2a13",
+    "scsim;": "\u227f",
+    "scy;": "\u0441",
+    "sdot;": "\u22c5",
+    "sdotb;": "\u22a1",
+    "sdote;": "\u2a66",
+    "seArr;": "\u21d8",
+    "searhk;": "\u2925",
+    "searr;": "\u2198",
+    "searrow;": "\u2198",
+    "sect": "\xa7",
+    "sect;": "\xa7",
+    "semi;": ";",
+    "seswar;": "\u2929",
+    "setminus;": "\u2216",
+    "setmn;": "\u2216",
+    "sext;": "\u2736",
+    "sfr;": "\U0001d530",
+    "sfrown;": "\u2322",
+    "sharp;": "\u266f",
+    "shchcy;": "\u0449",
+    "shcy;": "\u0448",
+    "shortmid;": "\u2223",
+    "shortparallel;": "\u2225",
+    "shy": "\xad",
+    "shy;": "\xad",
+    "sigma;": "\u03c3",
+    "sigmaf;": "\u03c2",
+    "sigmav;": "\u03c2",
+    "sim;": "\u223c",
+    "simdot;": "\u2a6a",
+    "sime;": "\u2243",
+    "simeq;": "\u2243",
+    "simg;": "\u2a9e",
+    "simgE;": "\u2aa0",
+    "siml;": "\u2a9d",
+    "simlE;": "\u2a9f",
+    "simne;": "\u2246",
+    "simplus;": "\u2a24",
+    "simrarr;": "\u2972",
+    "slarr;": "\u2190",
+    "smallsetminus;": "\u2216",
+    "smashp;": "\u2a33",
+    "smeparsl;": "\u29e4",
+    "smid;": "\u2223",
+    "smile;": "\u2323",
+    "smt;": "\u2aaa",
+    "smte;": "\u2aac",
+    "smtes;": "\u2aac\ufe00",
+    "softcy;": "\u044c",
+    "sol;": "/",
+    "solb;": "\u29c4",
+    "solbar;": "\u233f",
+    "sopf;": "\U0001d564",
+    "spades;": "\u2660",
+    "spadesuit;": "\u2660",
+    "spar;": "\u2225",
+    "sqcap;": "\u2293",
+    "sqcaps;": "\u2293\ufe00",
+    "sqcup;": "\u2294",
+    "sqcups;": "\u2294\ufe00",
+    "sqsub;": "\u228f",
+    "sqsube;": "\u2291",
+    "sqsubset;": "\u228f",
+    "sqsubseteq;": "\u2291",
+    "sqsup;": "\u2290",
+    "sqsupe;": "\u2292",
+    "sqsupset;": "\u2290",
+    "sqsupseteq;": "\u2292",
+    "squ;": "\u25a1",
+    "square;": "\u25a1",
+    "squarf;": "\u25aa",
+    "squf;": "\u25aa",
+    "srarr;": "\u2192",
+    "sscr;": "\U0001d4c8",
+    "ssetmn;": "\u2216",
+    "ssmile;": "\u2323",
+    "sstarf;": "\u22c6",
+    "star;": "\u2606",
+    "starf;": "\u2605",
+    "straightepsilon;": "\u03f5",
+    "straightphi;": "\u03d5",
+    "strns;": "\xaf",
+    "sub;": "\u2282",
+    "subE;": "\u2ac5",
+    "subdot;": "\u2abd",
+    "sube;": "\u2286",
+    "subedot;": "\u2ac3",
+    "submult;": "\u2ac1",
+    "subnE;": "\u2acb",
+    "subne;": "\u228a",
+    "subplus;": "\u2abf",
+    "subrarr;": "\u2979",
+    "subset;": "\u2282",
+    "subseteq;": "\u2286",
+    "subseteqq;": "\u2ac5",
+    "subsetneq;": "\u228a",
+    "subsetneqq;": "\u2acb",
+    "subsim;": "\u2ac7",
+    "subsub;": "\u2ad5",
+    "subsup;": "\u2ad3",
+    "succ;": "\u227b",
+    "succapprox;": "\u2ab8",
+    "succcurlyeq;": "\u227d",
+    "succeq;": "\u2ab0",
+    "succnapprox;": "\u2aba",
+    "succneqq;": "\u2ab6",
+    "succnsim;": "\u22e9",
+    "succsim;": "\u227f",
+    "sum;": "\u2211",
+    "sung;": "\u266a",
+    "sup1": "\xb9",
+    "sup1;": "\xb9",
+    "sup2": "\xb2",
+    "sup2;": "\xb2",
+    "sup3": "\xb3",
+    "sup3;": "\xb3",
+    "sup;": "\u2283",
+    "supE;": "\u2ac6",
+    "supdot;": "\u2abe",
+    "supdsub;": "\u2ad8",
+    "supe;": "\u2287",
+    "supedot;": "\u2ac4",
+    "suphsol;": "\u27c9",
+    "suphsub;": "\u2ad7",
+    "suplarr;": "\u297b",
+    "supmult;": "\u2ac2",
+    "supnE;": "\u2acc",
+    "supne;": "\u228b",
+    "supplus;": "\u2ac0",
+    "supset;": "\u2283",
+    "supseteq;": "\u2287",
+    "supseteqq;": "\u2ac6",
+    "supsetneq;": "\u228b",
+    "supsetneqq;": "\u2acc",
+    "supsim;": "\u2ac8",
+    "supsub;": "\u2ad4",
+    "supsup;": "\u2ad6",
+    "swArr;": "\u21d9",
+    "swarhk;": "\u2926",
+    "swarr;": "\u2199",
+    "swarrow;": "\u2199",
+    "swnwar;": "\u292a",
+    "szlig": "\xdf",
+    "szlig;": "\xdf",
+    "target;": "\u2316",
+    "tau;": "\u03c4",
+    "tbrk;": "\u23b4",
+    "tcaron;": "\u0165",
+    "tcedil;": "\u0163",
+    "tcy;": "\u0442",
+    "tdot;": "\u20db",
+    "telrec;": "\u2315",
+    "tfr;": "\U0001d531",
+    "there4;": "\u2234",
+    "therefore;": "\u2234",
+    "theta;": "\u03b8",
+    "thetasym;": "\u03d1",
+    "thetav;": "\u03d1",
+    "thickapprox;": "\u2248",
+    "thicksim;": "\u223c",
+    "thinsp;": "\u2009",
+    "thkap;": "\u2248",
+    "thksim;": "\u223c",
+    "thorn": "\xfe",
+    "thorn;": "\xfe",
+    "tilde;": "\u02dc",
+    "times": "\xd7",
+    "times;": "\xd7",
+    "timesb;": "\u22a0",
+    "timesbar;": "\u2a31",
+    "timesd;": "\u2a30",
+    "tint;": "\u222d",
+    "toea;": "\u2928",
+    "top;": "\u22a4",
+    "topbot;": "\u2336",
+    "topcir;": "\u2af1",
+    "topf;": "\U0001d565",
+    "topfork;": "\u2ada",
+    "tosa;": "\u2929",
+    "tprime;": "\u2034",
+    "trade;": "\u2122",
+    "triangle;": "\u25b5",
+    "triangledown;": "\u25bf",
+    "triangleleft;": "\u25c3",
+    "trianglelefteq;": "\u22b4",
+    "triangleq;": "\u225c",
+    "triangleright;": "\u25b9",
+    "trianglerighteq;": "\u22b5",
+    "tridot;": "\u25ec",
+    "trie;": "\u225c",
+    "triminus;": "\u2a3a",
+    "triplus;": "\u2a39",
+    "trisb;": "\u29cd",
+    "tritime;": "\u2a3b",
+    "trpezium;": "\u23e2",
+    "tscr;": "\U0001d4c9",
+    "tscy;": "\u0446",
+    "tshcy;": "\u045b",
+    "tstrok;": "\u0167",
+    "twixt;": "\u226c",
+    "twoheadleftarrow;": "\u219e",
+    "twoheadrightarrow;": "\u21a0",
+    "uArr;": "\u21d1",
+    "uHar;": "\u2963",
+    "uacute": "\xfa",
+    "uacute;": "\xfa",
+    "uarr;": "\u2191",
+    "ubrcy;": "\u045e",
+    "ubreve;": "\u016d",
+    "ucirc": "\xfb",
+    "ucirc;": "\xfb",
+    "ucy;": "\u0443",
+    "udarr;": "\u21c5",
+    "udblac;": "\u0171",
+    "udhar;": "\u296e",
+    "ufisht;": "\u297e",
+    "ufr;": "\U0001d532",
+    "ugrave": "\xf9",
+    "ugrave;": "\xf9",
+    "uharl;": "\u21bf",
+    "uharr;": "\u21be",
+    "uhblk;": "\u2580",
+    "ulcorn;": "\u231c",
+    "ulcorner;": "\u231c",
+    "ulcrop;": "\u230f",
+    "ultri;": "\u25f8",
+    "umacr;": "\u016b",
+    "uml": "\xa8",
+    "uml;": "\xa8",
+    "uogon;": "\u0173",
+    "uopf;": "\U0001d566",
+    "uparrow;": "\u2191",
+    "updownarrow;": "\u2195",
+    "upharpoonleft;": "\u21bf",
+    "upharpoonright;": "\u21be",
+    "uplus;": "\u228e",
+    "upsi;": "\u03c5",
+    "upsih;": "\u03d2",
+    "upsilon;": "\u03c5",
+    "upuparrows;": "\u21c8",
+    "urcorn;": "\u231d",
+    "urcorner;": "\u231d",
+    "urcrop;": "\u230e",
+    "uring;": "\u016f",
+    "urtri;": "\u25f9",
+    "uscr;": "\U0001d4ca",
+    "utdot;": "\u22f0",
+    "utilde;": "\u0169",
+    "utri;": "\u25b5",
+    "utrif;": "\u25b4",
+    "uuarr;": "\u21c8",
+    "uuml": "\xfc",
+    "uuml;": "\xfc",
+    "uwangle;": "\u29a7",
+    "vArr;": "\u21d5",
+    "vBar;": "\u2ae8",
+    "vBarv;": "\u2ae9",
+    "vDash;": "\u22a8",
+    "vangrt;": "\u299c",
+    "varepsilon;": "\u03f5",
+    "varkappa;": "\u03f0",
+    "varnothing;": "\u2205",
+    "varphi;": "\u03d5",
+    "varpi;": "\u03d6",
+    "varpropto;": "\u221d",
+    "varr;": "\u2195",
+    "varrho;": "\u03f1",
+    "varsigma;": "\u03c2",
+    "varsubsetneq;": "\u228a\ufe00",
+    "varsubsetneqq;": "\u2acb\ufe00",
+    "varsupsetneq;": "\u228b\ufe00",
+    "varsupsetneqq;": "\u2acc\ufe00",
+    "vartheta;": "\u03d1",
+    "vartriangleleft;": "\u22b2",
+    "vartriangleright;": "\u22b3",
+    "vcy;": "\u0432",
+    "vdash;": "\u22a2",
+    "vee;": "\u2228",
+    "veebar;": "\u22bb",
+    "veeeq;": "\u225a",
+    "vellip;": "\u22ee",
+    "verbar;": "|",
+    "vert;": "|",
+    "vfr;": "\U0001d533",
+    "vltri;": "\u22b2",
+    "vnsub;": "\u2282\u20d2",
+    "vnsup;": "\u2283\u20d2",
+    "vopf;": "\U0001d567",
+    "vprop;": "\u221d",
+    "vrtri;": "\u22b3",
+    "vscr;": "\U0001d4cb",
+    "vsubnE;": "\u2acb\ufe00",
+    "vsubne;": "\u228a\ufe00",
+    "vsupnE;": "\u2acc\ufe00",
+    "vsupne;": "\u228b\ufe00",
+    "vzigzag;": "\u299a",
+    "wcirc;": "\u0175",
+    "wedbar;": "\u2a5f",
+    "wedge;": "\u2227",
+    "wedgeq;": "\u2259",
+    "weierp;": "\u2118",
+    "wfr;": "\U0001d534",
+    "wopf;": "\U0001d568",
+    "wp;": "\u2118",
+    "wr;": "\u2240",
+    "wreath;": "\u2240",
+    "wscr;": "\U0001d4cc",
+    "xcap;": "\u22c2",
+    "xcirc;": "\u25ef",
+    "xcup;": "\u22c3",
+    "xdtri;": "\u25bd",
+    "xfr;": "\U0001d535",
+    "xhArr;": "\u27fa",
+    "xharr;": "\u27f7",
+    "xi;": "\u03be",
+    "xlArr;": "\u27f8",
+    "xlarr;": "\u27f5",
+    "xmap;": "\u27fc",
+    "xnis;": "\u22fb",
+    "xodot;": "\u2a00",
+    "xopf;": "\U0001d569",
+    "xoplus;": "\u2a01",
+    "xotime;": "\u2a02",
+    "xrArr;": "\u27f9",
+    "xrarr;": "\u27f6",
+    "xscr;": "\U0001d4cd",
+    "xsqcup;": "\u2a06",
+    "xuplus;": "\u2a04",
+    "xutri;": "\u25b3",
+    "xvee;": "\u22c1",
+    "xwedge;": "\u22c0",
+    "yacute": "\xfd",
+    "yacute;": "\xfd",
+    "yacy;": "\u044f",
+    "ycirc;": "\u0177",
+    "ycy;": "\u044b",
+    "yen": "\xa5",
+    "yen;": "\xa5",
+    "yfr;": "\U0001d536",
+    "yicy;": "\u0457",
+    "yopf;": "\U0001d56a",
+    "yscr;": "\U0001d4ce",
+    "yucy;": "\u044e",
+    "yuml": "\xff",
+    "yuml;": "\xff",
+    "zacute;": "\u017a",
+    "zcaron;": "\u017e",
+    "zcy;": "\u0437",
+    "zdot;": "\u017c",
+    "zeetrf;": "\u2128",
+    "zeta;": "\u03b6",
+    "zfr;": "\U0001d537",
+    "zhcy;": "\u0436",
+    "zigrarr;": "\u21dd",
+    "zopf;": "\U0001d56b",
+    "zscr;": "\U0001d4cf",
+    "zwj;": "\u200d",
+    "zwnj;": "\u200c",
+}
+
+replacementCharacters = {
+    0x0: "\uFFFD",
+    0x0d: "\u000D",
+    0x80: "\u20AC",
+    0x81: "\u0081",
+    0x81: "\u0081",
+    0x82: "\u201A",
+    0x83: "\u0192",
+    0x84: "\u201E",
+    0x85: "\u2026",
+    0x86: "\u2020",
+    0x87: "\u2021",
+    0x88: "\u02C6",
+    0x89: "\u2030",
+    0x8A: "\u0160",
+    0x8B: "\u2039",
+    0x8C: "\u0152",
+    0x8D: "\u008D",
+    0x8E: "\u017D",
+    0x8F: "\u008F",
+    0x90: "\u0090",
+    0x91: "\u2018",
+    0x92: "\u2019",
+    0x93: "\u201C",
+    0x94: "\u201D",
+    0x95: "\u2022",
+    0x96: "\u2013",
+    0x97: "\u2014",
+    0x98: "\u02DC",
+    0x99: "\u2122",
+    0x9A: "\u0161",
+    0x9B: "\u203A",
+    0x9C: "\u0153",
+    0x9D: "\u009D",
+    0x9E: "\u017E",
+    0x9F: "\u0178",
+}
+
+encodings = {
+    '437': 'cp437',
+    '850': 'cp850',
+    '852': 'cp852',
+    '855': 'cp855',
+    '857': 'cp857',
+    '860': 'cp860',
+    '861': 'cp861',
+    '862': 'cp862',
+    '863': 'cp863',
+    '865': 'cp865',
+    '866': 'cp866',
+    '869': 'cp869',
+    'ansix341968': 'ascii',
+    'ansix341986': 'ascii',
+    'arabic': 'iso8859-6',
+    'ascii': 'ascii',
+    'asmo708': 'iso8859-6',
+    'big5': 'big5',
+    'big5hkscs': 'big5hkscs',
+    'chinese': 'gbk',
+    'cp037': 'cp037',
+    'cp1026': 'cp1026',
+    'cp154': 'ptcp154',
+    'cp367': 'ascii',
+    'cp424': 'cp424',
+    'cp437': 'cp437',
+    'cp500': 'cp500',
+    'cp775': 'cp775',
+    'cp819': 'windows-1252',
+    'cp850': 'cp850',
+    'cp852': 'cp852',
+    'cp855': 'cp855',
+    'cp857': 'cp857',
+    'cp860': 'cp860',
+    'cp861': 'cp861',
+    'cp862': 'cp862',
+    'cp863': 'cp863',
+    'cp864': 'cp864',
+    'cp865': 'cp865',
+    'cp866': 'cp866',
+    'cp869': 'cp869',
+    'cp936': 'gbk',
+    'cpgr': 'cp869',
+    'cpis': 'cp861',
+    'csascii': 'ascii',
+    'csbig5': 'big5',
+    'cseuckr': 'cp949',
+    'cseucpkdfmtjapanese': 'euc_jp',
+    'csgb2312': 'gbk',
+    'cshproman8': 'hp-roman8',
+    'csibm037': 'cp037',
+    'csibm1026': 'cp1026',
+    'csibm424': 'cp424',
+    'csibm500': 'cp500',
+    'csibm855': 'cp855',
+    'csibm857': 'cp857',
+    'csibm860': 'cp860',
+    'csibm861': 'cp861',
+    'csibm863': 'cp863',
+    'csibm864': 'cp864',
+    'csibm865': 'cp865',
+    'csibm866': 'cp866',
+    'csibm869': 'cp869',
+    'csiso2022jp': 'iso2022_jp',
+    'csiso2022jp2': 'iso2022_jp_2',
+    'csiso2022kr': 'iso2022_kr',
+    'csiso58gb231280': 'gbk',
+    'csisolatin1': 'windows-1252',
+    'csisolatin2': 'iso8859-2',
+    'csisolatin3': 'iso8859-3',
+    'csisolatin4': 'iso8859-4',
+    'csisolatin5': 'windows-1254',
+    'csisolatin6': 'iso8859-10',
+    'csisolatinarabic': 'iso8859-6',
+    'csisolatincyrillic': 'iso8859-5',
+    'csisolatingreek': 'iso8859-7',
+    'csisolatinhebrew': 'iso8859-8',
+    'cskoi8r': 'koi8-r',
+    'csksc56011987': 'cp949',
+    'cspc775baltic': 'cp775',
+    'cspc850multilingual': 'cp850',
+    'cspc862latinhebrew': 'cp862',
+    'cspc8codepage437': 'cp437',
+    'cspcp852': 'cp852',
+    'csptcp154': 'ptcp154',
+    'csshiftjis': 'shift_jis',
+    'csunicode11utf7': 'utf-7',
+    'cyrillic': 'iso8859-5',
+    'cyrillicasian': 'ptcp154',
+    'ebcdiccpbe': 'cp500',
+    'ebcdiccpca': 'cp037',
+    'ebcdiccpch': 'cp500',
+    'ebcdiccphe': 'cp424',
+    'ebcdiccpnl': 'cp037',
+    'ebcdiccpus': 'cp037',
+    'ebcdiccpwt': 'cp037',
+    'ecma114': 'iso8859-6',
+    'ecma118': 'iso8859-7',
+    'elot928': 'iso8859-7',
+    'eucjp': 'euc_jp',
+    'euckr': 'cp949',
+    'extendedunixcodepackedformatforjapanese': 'euc_jp',
+    'gb18030': 'gb18030',
+    'gb2312': 'gbk',
+    'gb231280': 'gbk',
+    'gbk': 'gbk',
+    'greek': 'iso8859-7',
+    'greek8': 'iso8859-7',
+    'hebrew': 'iso8859-8',
+    'hproman8': 'hp-roman8',
+    'hzgb2312': 'hz',
+    'ibm037': 'cp037',
+    'ibm1026': 'cp1026',
+    'ibm367': 'ascii',
+    'ibm424': 'cp424',
+    'ibm437': 'cp437',
+    'ibm500': 'cp500',
+    'ibm775': 'cp775',
+    'ibm819': 'windows-1252',
+    'ibm850': 'cp850',
+    'ibm852': 'cp852',
+    'ibm855': 'cp855',
+    'ibm857': 'cp857',
+    'ibm860': 'cp860',
+    'ibm861': 'cp861',
+    'ibm862': 'cp862',
+    'ibm863': 'cp863',
+    'ibm864': 'cp864',
+    'ibm865': 'cp865',
+    'ibm866': 'cp866',
+    'ibm869': 'cp869',
+    'iso2022jp': 'iso2022_jp',
+    'iso2022jp2': 'iso2022_jp_2',
+    'iso2022kr': 'iso2022_kr',
+    'iso646irv1991': 'ascii',
+    'iso646us': 'ascii',
+    'iso88591': 'windows-1252',
+    'iso885910': 'iso8859-10',
+    'iso8859101992': 'iso8859-10',
+    'iso885911987': 'windows-1252',
+    'iso885913': 'iso8859-13',
+    'iso885914': 'iso8859-14',
+    'iso8859141998': 'iso8859-14',
+    'iso885915': 'iso8859-15',
+    'iso885916': 'iso8859-16',
+    'iso8859162001': 'iso8859-16',
+    'iso88592': 'iso8859-2',
+    'iso885921987': 'iso8859-2',
+    'iso88593': 'iso8859-3',
+    'iso885931988': 'iso8859-3',
+    'iso88594': 'iso8859-4',
+    'iso885941988': 'iso8859-4',
+    'iso88595': 'iso8859-5',
+    'iso885951988': 'iso8859-5',
+    'iso88596': 'iso8859-6',
+    'iso885961987': 'iso8859-6',
+    'iso88597': 'iso8859-7',
+    'iso885971987': 'iso8859-7',
+    'iso88598': 'iso8859-8',
+    'iso885981988': 'iso8859-8',
+    'iso88599': 'windows-1254',
+    'iso885991989': 'windows-1254',
+    'isoceltic': 'iso8859-14',
+    'isoir100': 'windows-1252',
+    'isoir101': 'iso8859-2',
+    'isoir109': 'iso8859-3',
+    'isoir110': 'iso8859-4',
+    'isoir126': 'iso8859-7',
+    'isoir127': 'iso8859-6',
+    'isoir138': 'iso8859-8',
+    'isoir144': 'iso8859-5',
+    'isoir148': 'windows-1254',
+    'isoir149': 'cp949',
+    'isoir157': 'iso8859-10',
+    'isoir199': 'iso8859-14',
+    'isoir226': 'iso8859-16',
+    'isoir58': 'gbk',
+    'isoir6': 'ascii',
+    'koi8r': 'koi8-r',
+    'koi8u': 'koi8-u',
+    'korean': 'cp949',
+    'ksc5601': 'cp949',
+    'ksc56011987': 'cp949',
+    'ksc56011989': 'cp949',
+    'l1': 'windows-1252',
+    'l10': 'iso8859-16',
+    'l2': 'iso8859-2',
+    'l3': 'iso8859-3',
+    'l4': 'iso8859-4',
+    'l5': 'windows-1254',
+    'l6': 'iso8859-10',
+    'l8': 'iso8859-14',
+    'latin1': 'windows-1252',
+    'latin10': 'iso8859-16',
+    'latin2': 'iso8859-2',
+    'latin3': 'iso8859-3',
+    'latin4': 'iso8859-4',
+    'latin5': 'windows-1254',
+    'latin6': 'iso8859-10',
+    'latin8': 'iso8859-14',
+    'latin9': 'iso8859-15',
+    'ms936': 'gbk',
+    'mskanji': 'shift_jis',
+    'pt154': 'ptcp154',
+    'ptcp154': 'ptcp154',
+    'r8': 'hp-roman8',
+    'roman8': 'hp-roman8',
+    'shiftjis': 'shift_jis',
+    'tis620': 'cp874',
+    'unicode11utf7': 'utf-7',
+    'us': 'ascii',
+    'usascii': 'ascii',
+    'utf16': 'utf-16',
+    'utf16be': 'utf-16-be',
+    'utf16le': 'utf-16-le',
+    'utf8': 'utf-8',
+    'windows1250': 'cp1250',
+    'windows1251': 'cp1251',
+    'windows1252': 'cp1252',
+    'windows1253': 'cp1253',
+    'windows1254': 'cp1254',
+    'windows1255': 'cp1255',
+    'windows1256': 'cp1256',
+    'windows1257': 'cp1257',
+    'windows1258': 'cp1258',
+    'windows936': 'gbk',
+    'x-x-big5': 'big5'}
+
+tokenTypes = {
+    "Doctype": 0,
+    "Characters": 1,
+    "SpaceCharacters": 2,
+    "StartTag": 3,
+    "EndTag": 4,
+    "EmptyTag": 5,
+    "Comment": 6,
+    "ParseError": 7
+}
+
+tagTokenTypes = frozenset((tokenTypes["StartTag"], tokenTypes["EndTag"],
+                           tokenTypes["EmptyTag"]))
+
+
+prefixes = dict([(v, k) for k, v in namespaces.items()])
+prefixes["http://www.w3.org/1998/Math/MathML"] = "math"
+
+
+class DataLossWarning(UserWarning):
+    pass
+
+
+class ReparseException(Exception):
+    pass
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/__init__.py
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/_base.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/_base.py
new file mode 100644
index 000000000..c7dbaed0f
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/_base.py
@@ -0,0 +1,12 @@
+from __future__ import absolute_import, division, unicode_literals
+
+
+class Filter(object):
+    def __init__(self, source):
+        self.source = source
+
+    def __iter__(self):
+        return iter(self.source)
+
+    def __getattr__(self, name):
+        return getattr(self.source, name)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/alphabeticalattributes.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/alphabeticalattributes.py
new file mode 100644
index 000000000..fed6996c1
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/alphabeticalattributes.py
@@ -0,0 +1,20 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from . import _base
+
+try:
+    from collections import OrderedDict
+except ImportError:
+    from ordereddict import OrderedDict
+
+
+class Filter(_base.Filter):
+    def __iter__(self):
+        for token in _base.Filter.__iter__(self):
+            if token["type"] in ("StartTag", "EmptyTag"):
+                attrs = OrderedDict()
+                for name, value in sorted(token["data"].items(),
+                                          key=lambda x: x[0]):
+                    attrs[name] = value
+                token["data"] = attrs
+            yield token
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/inject_meta_charset.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/inject_meta_charset.py
new file mode 100644
index 000000000..ca33b70b5
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/inject_meta_charset.py
@@ -0,0 +1,65 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from . import _base
+
+
+class Filter(_base.Filter):
+    def __init__(self, source, encoding):
+        _base.Filter.__init__(self, source)
+        self.encoding = encoding
+
+    def __iter__(self):
+        state = "pre_head"
+        meta_found = (self.encoding is None)
+        pending = []
+
+        for token in _base.Filter.__iter__(self):
+            type = token["type"]
+            if type == "StartTag":
+                if token["name"].lower() == "head":
+                    state = "in_head"
+
+            elif type == "EmptyTag":
+                if token["name"].lower() == "meta":
+                    # replace charset with actual encoding
+                    has_http_equiv_content_type = False
+                    for (namespace, name), value in token["data"].items():
+                        if namespace is not None:
+                            continue
+                        elif name.lower() == 'charset':
+                            token["data"][(namespace, name)] = self.encoding
+                            meta_found = True
+                            break
+                        elif name == 'http-equiv' and value.lower() == 'content-type':
+                            has_http_equiv_content_type = True
+                    else:
+                        if has_http_equiv_content_type and (None, "content") in token["data"]:
+                            token["data"][(None, "content")] = 'text/html; charset=%s' % self.encoding
+                            meta_found = True
+
+                elif token["name"].lower() == "head" and not meta_found:
+                    # insert meta into empty head
+                    yield {"type": "StartTag", "name": "head",
+                           "data": token["data"]}
+                    yield {"type": "EmptyTag", "name": "meta",
+                           "data": {(None, "charset"): self.encoding}}
+                    yield {"type": "EndTag", "name": "head"}
+                    meta_found = True
+                    continue
+
+            elif type == "EndTag":
+                if token["name"].lower() == "head" and pending:
+                    # insert meta into head (if necessary) and flush pending queue
+                    yield pending.pop(0)
+                    if not meta_found:
+                        yield {"type": "EmptyTag", "name": "meta",
+                               "data": {(None, "charset"): self.encoding}}
+                    while pending:
+                        yield pending.pop(0)
+                    meta_found = True
+                    state = "post_head"
+
+            if state == "in_head":
+                pending.append(token)
+            else:
+                yield token
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/lint.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/lint.py
new file mode 100644
index 000000000..7cc99a4ba
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/lint.py
@@ -0,0 +1,93 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from gettext import gettext
+_ = gettext
+
+from . import _base
+from ..constants import cdataElements, rcdataElements, voidElements
+
+from ..constants import spaceCharacters
+spaceCharacters = "".join(spaceCharacters)
+
+
+class LintError(Exception):
+    pass
+
+
+class Filter(_base.Filter):
+    def __iter__(self):
+        open_elements = []
+        contentModelFlag = "PCDATA"
+        for token in _base.Filter.__iter__(self):
+            type = token["type"]
+            if type in ("StartTag", "EmptyTag"):
+                name = token["name"]
+                if contentModelFlag != "PCDATA":
+                    raise LintError(_("StartTag not in PCDATA content model flag: %(tag)s") % {"tag": name})
+                if not isinstance(name, str):
+                    raise LintError(_("Tag name is not a string: %(tag)r") % {"tag": name})
+                if not name:
+                    raise LintError(_("Empty tag name"))
+                if type == "StartTag" and name in voidElements:
+                    raise LintError(_("Void element reported as StartTag token: %(tag)s") % {"tag": name})
+                elif type == "EmptyTag" and name not in voidElements:
+                    raise LintError(_("Non-void element reported as EmptyTag token: %(tag)s") % {"tag": token["name"]})
+                if type == "StartTag":
+                    open_elements.append(name)
+                for name, value in token["data"]:
+                    if not isinstance(name, str):
+                        raise LintError(_("Attribute name is not a string: %(name)r") % {"name": name})
+                    if not name:
+                        raise LintError(_("Empty attribute name"))
+                    if not isinstance(value, str):
+                        raise LintError(_("Attribute value is not a string: %(value)r") % {"value": value})
+                if name in cdataElements:
+                    contentModelFlag = "CDATA"
+                elif name in rcdataElements:
+                    contentModelFlag = "RCDATA"
+                elif name == "plaintext":
+                    contentModelFlag = "PLAINTEXT"
+
+            elif type == "EndTag":
+                name = token["name"]
+                if not isinstance(name, str):
+                    raise LintError(_("Tag name is not a string: %(tag)r") % {"tag": name})
+                if not name:
+                    raise LintError(_("Empty tag name"))
+                if name in voidElements:
+                    raise LintError(_("Void element reported as EndTag token: %(tag)s") % {"tag": name})
+                start_name = open_elements.pop()
+                if start_name != name:
+                    raise LintError(_("EndTag (%(end)s) does not match StartTag (%(start)s)") % {"end": name, "start": start_name})
+                contentModelFlag = "PCDATA"
+
+            elif type == "Comment":
+                if contentModelFlag != "PCDATA":
+                    raise LintError(_("Comment not in PCDATA content model flag"))
+
+            elif type in ("Characters", "SpaceCharacters"):
+                data = token["data"]
+                if not isinstance(data, str):
+                    raise LintError(_("Attribute name is not a string: %(name)r") % {"name": data})
+                if not data:
+                    raise LintError(_("%(type)s token with empty data") % {"type": type})
+                if type == "SpaceCharacters":
+                    data = data.strip(spaceCharacters)
+                    if data:
+                        raise LintError(_("Non-space character(s) found in SpaceCharacters token: %(token)r") % {"token": data})
+
+            elif type == "Doctype":
+                name = token["name"]
+                if contentModelFlag != "PCDATA":
+                    raise LintError(_("Doctype not in PCDATA content model flag: %(name)s") % {"name": name})
+                if not isinstance(name, str):
+                    raise LintError(_("Tag name is not a string: %(tag)r") % {"tag": name})
+                # XXX: what to do with token["data"] ?
+
+            elif type in ("ParseError", "SerializeError"):
+                pass
+
+            else:
+                raise LintError(_("Unknown token type: %(type)s") % {"type": type})
+
+            yield token
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/optionaltags.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/optionaltags.py
new file mode 100644
index 000000000..fefe0b309
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/optionaltags.py
@@ -0,0 +1,205 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from . import _base
+
+
+class Filter(_base.Filter):
+    def slider(self):
+        previous1 = previous2 = None
+        for token in self.source:
+            if previous1 is not None:
+                yield previous2, previous1, token
+            previous2 = previous1
+            previous1 = token
+        yield previous2, previous1, None
+
+    def __iter__(self):
+        for previous, token, next in self.slider():
+            type = token["type"]
+            if type == "StartTag":
+                if (token["data"] or
+                        not self.is_optional_start(token["name"], previous, next)):
+                    yield token
+            elif type == "EndTag":
+                if not self.is_optional_end(token["name"], next):
+                    yield token
+            else:
+                yield token
+
+    def is_optional_start(self, tagname, previous, next):
+        type = next and next["type"] or None
+        if tagname in 'html':
+            # An html element's start tag may be omitted if the first thing
+            # inside the html element is not a space character or a comment.
+            return type not in ("Comment", "SpaceCharacters")
+        elif tagname == 'head':
+            # A head element's start tag may be omitted if the first thing
+            # inside the head element is an element.
+            # XXX: we also omit the start tag if the head element is empty
+            if type in ("StartTag", "EmptyTag"):
+                return True
+            elif type == "EndTag":
+                return next["name"] == "head"
+        elif tagname == 'body':
+            # A body element's start tag may be omitted if the first thing
+            # inside the body element is not a space character or a comment,
+            # except if the first thing inside the body element is a script
+            # or style element and the node immediately preceding the body
+            # element is a head element whose end tag has been omitted.
+            if type in ("Comment", "SpaceCharacters"):
+                return False
+            elif type == "StartTag":
+                # XXX: we do not look at the preceding event, so we never omit
+                # the body element's start tag if it's followed by a script or
+                # a style element.
+                return next["name"] not in ('script', 'style')
+            else:
+                return True
+        elif tagname == 'colgroup':
+            # A colgroup element's start tag may be omitted if the first thing
+            # inside the colgroup element is a col element, and if the element
+            # is not immediately preceeded by another colgroup element whose
+            # end tag has been omitted.
+            if type in ("StartTag", "EmptyTag"):
+                # XXX: we do not look at the preceding event, so instead we never
+                # omit the colgroup element's end tag when it is immediately
+                # followed by another colgroup element. See is_optional_end.
+                return next["name"] == "col"
+            else:
+                return False
+        elif tagname == 'tbody':
+            # A tbody element's start tag may be omitted if the first thing
+            # inside the tbody element is a tr element, and if the element is
+            # not immediately preceeded by a tbody, thead, or tfoot element
+            # whose end tag has been omitted.
+            if type == "StartTag":
+                # omit the thead and tfoot elements' end tag when they are
+                # immediately followed by a tbody element. See is_optional_end.
+                if previous and previous['type'] == 'EndTag' and \
+                        previous['name'] in ('tbody', 'thead', 'tfoot'):
+                    return False
+                return next["name"] == 'tr'
+            else:
+                return False
+        return False
+
+    def is_optional_end(self, tagname, next):
+        type = next and next["type"] or None
+        if tagname in ('html', 'head', 'body'):
+            # An html element's end tag may be omitted if the html element
+            # is not immediately followed by a space character or a comment.
+            return type not in ("Comment", "SpaceCharacters")
+        elif tagname in ('li', 'optgroup', 'tr'):
+            # A li element's end tag may be omitted if the li element is
+            # immediately followed by another li element or if there is
+            # no more content in the parent element.
+            # An optgroup element's end tag may be omitted if the optgroup
+            # element is immediately followed by another optgroup element,
+            # or if there is no more content in the parent element.
+            # A tr element's end tag may be omitted if the tr element is
+            # immediately followed by another tr element, or if there is
+            # no more content in the parent element.
+            if type == "StartTag":
+                return next["name"] == tagname
+            else:
+                return type == "EndTag" or type is None
+        elif tagname in ('dt', 'dd'):
+            # A dt element's end tag may be omitted if the dt element is
+            # immediately followed by another dt element or a dd element.
+            # A dd element's end tag may be omitted if the dd element is
+            # immediately followed by another dd element or a dt element,
+            # or if there is no more content in the parent element.
+            if type == "StartTag":
+                return next["name"] in ('dt', 'dd')
+            elif tagname == 'dd':
+                return type == "EndTag" or type is None
+            else:
+                return False
+        elif tagname == 'p':
+            # A p element's end tag may be omitted if the p element is
+            # immediately followed by an address, article, aside,
+            # blockquote, datagrid, dialog, dir, div, dl, fieldset,
+            # footer, form, h1, h2, h3, h4, h5, h6, header, hr, menu,
+            # nav, ol, p, pre, section, table, or ul, element, or if
+            # there is no more content in the parent element.
+            if type in ("StartTag", "EmptyTag"):
+                return next["name"] in ('address', 'article', 'aside',
+                                        'blockquote', 'datagrid', 'dialog',
+                                        'dir', 'div', 'dl', 'fieldset', 'footer',
+                                        'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
+                                        'header', 'hr', 'menu', 'nav', 'ol',
+                                        'p', 'pre', 'section', 'table', 'ul')
+            else:
+                return type == "EndTag" or type is None
+        elif tagname == 'option':
+            # An option element's end tag may be omitted if the option
+            # element is immediately followed by another option element,
+            # or if it is immediately followed by an <code>optgroup</code>
+            # element, or if there is no more content in the parent
+            # element.
+            if type == "StartTag":
+                return next["name"] in ('option', 'optgroup')
+            else:
+                return type == "EndTag" or type is None
+        elif tagname in ('rt', 'rp'):
+            # An rt element's end tag may be omitted if the rt element is
+            # immediately followed by an rt or rp element, or if there is
+            # no more content in the parent element.
+            # An rp element's end tag may be omitted if the rp element is
+            # immediately followed by an rt or rp element, or if there is
+            # no more content in the parent element.
+            if type == "StartTag":
+                return next["name"] in ('rt', 'rp')
+            else:
+                return type == "EndTag" or type is None
+        elif tagname == 'colgroup':
+            # A colgroup element's end tag may be omitted if the colgroup
+            # element is not immediately followed by a space character or
+            # a comment.
+            if type in ("Comment", "SpaceCharacters"):
+                return False
+            elif type == "StartTag":
+                # XXX: we also look for an immediately following colgroup
+                # element. See is_optional_start.
+                return next["name"] != 'colgroup'
+            else:
+                return True
+        elif tagname in ('thead', 'tbody'):
+            # A thead element's end tag may be omitted if the thead element
+            # is immediately followed by a tbody or tfoot element.
+            # A tbody element's end tag may be omitted if the tbody element
+            # is immediately followed by a tbody or tfoot element, or if
+            # there is no more content in the parent element.
+            # A tfoot element's end tag may be omitted if the tfoot element
+            # is immediately followed by a tbody element, or if there is no
+            # more content in the parent element.
+            # XXX: we never omit the end tag when the following element is
+            # a tbody. See is_optional_start.
+            if type == "StartTag":
+                return next["name"] in ['tbody', 'tfoot']
+            elif tagname == 'tbody':
+                return type == "EndTag" or type is None
+            else:
+                return False
+        elif tagname == 'tfoot':
+            # A tfoot element's end tag may be omitted if the tfoot element
+            # is immediately followed by a tbody element, or if there is no
+            # more content in the parent element.
+            # XXX: we never omit the end tag when the following element is
+            # a tbody. See is_optional_start.
+            if type == "StartTag":
+                return next["name"] == 'tbody'
+            else:
+                return type == "EndTag" or type is None
+        elif tagname in ('td', 'th'):
+            # A td element's end tag may be omitted if the td element is
+            # immediately followed by a td or th element, or if there is
+            # no more content in the parent element.
+            # A th element's end tag may be omitted if the th element is
+            # immediately followed by a td or th element, or if there is
+            # no more content in the parent element.
+            if type == "StartTag":
+                return next["name"] in ('td', 'th')
+            else:
+                return type == "EndTag" or type is None
+        return False
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/sanitizer.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/sanitizer.py
new file mode 100644
index 000000000..b206b54e7
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/sanitizer.py
@@ -0,0 +1,12 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from . import _base
+from ..sanitizer import HTMLSanitizerMixin
+
+
+class Filter(_base.Filter, HTMLSanitizerMixin):
+    def __iter__(self):
+        for token in _base.Filter.__iter__(self):
+            token = self.sanitize_token(token)
+            if token:
+                yield token
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/filters/whitespace.py b/testing/web-platform/tests/tools/html5lib/html5lib/filters/whitespace.py
new file mode 100644
index 000000000..dfc60eebd
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/filters/whitespace.py
@@ -0,0 +1,38 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import re
+
+from . import _base
+from ..constants import rcdataElements, spaceCharacters
+spaceCharacters = "".join(spaceCharacters)
+
+SPACES_REGEX = re.compile("[%s]+" % spaceCharacters)
+
+
+class Filter(_base.Filter):
+
+    spacePreserveElements = frozenset(["pre", "textarea"] + list(rcdataElements))
+
+    def __iter__(self):
+        preserve = 0
+        for token in _base.Filter.__iter__(self):
+            type = token["type"]
+            if type == "StartTag" \
+                    and (preserve or token["name"] in self.spacePreserveElements):
+                preserve += 1
+
+            elif type == "EndTag" and preserve:
+                preserve -= 1
+
+            elif not preserve and type == "SpaceCharacters" and token["data"]:
+                # Test on token["data"] above to not introduce spaces where there were not
+                token["data"] = " "
+
+            elif not preserve and type == "Characters":
+                token["data"] = collapse_spaces(token["data"])
+
+            yield token
+
+
+def collapse_spaces(text):
+    return SPACES_REGEX.sub(' ', text)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/html5parser.py b/testing/web-platform/tests/tools/html5lib/html5lib/html5parser.py
new file mode 100644
index 000000000..5b9ce7d72
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/html5parser.py
@@ -0,0 +1,2723 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import with_metaclass
+
+import types
+
+from . import inputstream
+from . import tokenizer
+
+from . import treebuilders
+from .treebuilders._base import Marker
+
+from . import utils
+from . import constants
+from .constants import spaceCharacters, asciiUpper2Lower
+from .constants import specialElements
+from .constants import headingElements
+from .constants import cdataElements, rcdataElements
+from .constants import tokenTypes, ReparseException, namespaces
+from .constants import htmlIntegrationPointElements, mathmlTextIntegrationPointElements
+from .constants import adjustForeignAttributes as adjustForeignAttributesMap
+
+
+def parse(doc, treebuilder="etree", encoding=None,
+          namespaceHTMLElements=True):
+    """Parse a string or file-like object into a tree"""
+    tb = treebuilders.getTreeBuilder(treebuilder)
+    p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements)
+    return p.parse(doc, encoding=encoding)
+
+
+def parseFragment(doc, container="div", treebuilder="etree", encoding=None,
+                  namespaceHTMLElements=True):
+    tb = treebuilders.getTreeBuilder(treebuilder)
+    p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements)
+    return p.parseFragment(doc, container=container, encoding=encoding)
+
+
+def method_decorator_metaclass(function):
+    class Decorated(type):
+        def __new__(meta, classname, bases, classDict):
+            for attributeName, attribute in classDict.items():
+                if isinstance(attribute, types.FunctionType):
+                    attribute = function(attribute)
+
+                classDict[attributeName] = attribute
+            return type.__new__(meta, classname, bases, classDict)
+    return Decorated
+
+
+class HTMLParser(object):
+    """HTML parser. Generates a tree structure from a stream of (possibly
+        malformed) HTML"""
+
+    def __init__(self, tree=None, tokenizer=tokenizer.HTMLTokenizer,
+                 strict=False, namespaceHTMLElements=True, debug=False):
+        """
+        strict - raise an exception when a parse error is encountered
+
+        tree - a treebuilder class controlling the type of tree that will be
+        returned. Built in treebuilders can be accessed through
+        html5lib.treebuilders.getTreeBuilder(treeType)
+
+        tokenizer - a class that provides a stream of tokens to the treebuilder.
+        This may be replaced for e.g. a sanitizer which converts some tags to
+        text
+        """
+
+        # Raise an exception on the first error encountered
+        self.strict = strict
+
+        if tree is None:
+            tree = treebuilders.getTreeBuilder("etree")
+        self.tree = tree(namespaceHTMLElements)
+        self.tokenizer_class = tokenizer
+        self.errors = []
+
+        self.phases = dict([(name, cls(self, self.tree)) for name, cls in
+                            getPhases(debug).items()])
+
+    def _parse(self, stream, innerHTML=False, container="div",
+               encoding=None, parseMeta=True, useChardet=True, **kwargs):
+
+        self.innerHTMLMode = innerHTML
+        self.container = container
+        self.tokenizer = self.tokenizer_class(stream, encoding=encoding,
+                                              parseMeta=parseMeta,
+                                              useChardet=useChardet,
+                                              parser=self, **kwargs)
+        self.reset()
+
+        while True:
+            try:
+                self.mainLoop()
+                break
+            except ReparseException:
+                self.reset()
+
+    def reset(self):
+        self.tree.reset()
+        self.firstStartTag = False
+        self.errors = []
+        self.log = []  # only used with debug mode
+        # "quirks" / "limited quirks" / "no quirks"
+        self.compatMode = "no quirks"
+
+        if self.innerHTMLMode:
+            self.innerHTML = self.container.lower()
+
+            if self.innerHTML in cdataElements:
+                self.tokenizer.state = self.tokenizer.rcdataState
+            elif self.innerHTML in rcdataElements:
+                self.tokenizer.state = self.tokenizer.rawtextState
+            elif self.innerHTML == 'plaintext':
+                self.tokenizer.state = self.tokenizer.plaintextState
+            else:
+                # state already is data state
+                # self.tokenizer.state = self.tokenizer.dataState
+                pass
+            self.phase = self.phases["beforeHtml"]
+            self.phase.insertHtmlElement()
+            self.resetInsertionMode()
+        else:
+            self.innerHTML = False
+            self.phase = self.phases["initial"]
+
+        self.lastPhase = None
+
+        self.beforeRCDataPhase = None
+
+        self.framesetOK = True
+
+    @property
+    def documentEncoding(self):
+        """The name of the character encoding
+        that was used to decode the input stream,
+        or :obj:`None` if that is not determined yet.
+
+        """
+        if not hasattr(self, 'tokenizer'):
+            return None
+        return self.tokenizer.stream.charEncoding[0]
+
+    def isHTMLIntegrationPoint(self, element):
+        if (element.name == "annotation-xml" and
+                element.namespace == namespaces["mathml"]):
+            return ("encoding" in element.attributes and
+                    element.attributes["encoding"].translate(
+                        asciiUpper2Lower) in
+                    ("text/html", "application/xhtml+xml"))
+        else:
+            return (element.namespace, element.name) in htmlIntegrationPointElements
+
+    def isMathMLTextIntegrationPoint(self, element):
+        return (element.namespace, element.name) in mathmlTextIntegrationPointElements
+
+    def mainLoop(self):
+        CharactersToken = tokenTypes["Characters"]
+        SpaceCharactersToken = tokenTypes["SpaceCharacters"]
+        StartTagToken = tokenTypes["StartTag"]
+        EndTagToken = tokenTypes["EndTag"]
+        CommentToken = tokenTypes["Comment"]
+        DoctypeToken = tokenTypes["Doctype"]
+        ParseErrorToken = tokenTypes["ParseError"]
+
+        for token in self.normalizedTokens():
+            new_token = token
+            while new_token is not None:
+                currentNode = self.tree.openElements[-1] if self.tree.openElements else None
+                currentNodeNamespace = currentNode.namespace if currentNode else None
+                currentNodeName = currentNode.name if currentNode else None
+
+                type = new_token["type"]
+
+                if type == ParseErrorToken:
+                    self.parseError(new_token["data"], new_token.get("datavars", {}))
+                    new_token = None
+                else:
+                    if (len(self.tree.openElements) == 0 or
+                        currentNodeNamespace == self.tree.defaultNamespace or
+                        (self.isMathMLTextIntegrationPoint(currentNode) and
+                         ((type == StartTagToken and
+                           token["name"] not in frozenset(["mglyph", "malignmark"])) or
+                          type in (CharactersToken, SpaceCharactersToken))) or
+                        (currentNodeNamespace == namespaces["mathml"] and
+                         currentNodeName == "annotation-xml" and
+                         token["name"] == "svg") or
+                        (self.isHTMLIntegrationPoint(currentNode) and
+                         type in (StartTagToken, CharactersToken, SpaceCharactersToken))):
+                        phase = self.phase
+                    else:
+                        phase = self.phases["inForeignContent"]
+
+                    if type == CharactersToken:
+                        new_token = phase.processCharacters(new_token)
+                    elif type == SpaceCharactersToken:
+                        new_token = phase.processSpaceCharacters(new_token)
+                    elif type == StartTagToken:
+                        new_token = phase.processStartTag(new_token)
+                    elif type == EndTagToken:
+                        new_token = phase.processEndTag(new_token)
+                    elif type == CommentToken:
+                        new_token = phase.processComment(new_token)
+                    elif type == DoctypeToken:
+                        new_token = phase.processDoctype(new_token)
+
+            if (type == StartTagToken and token["selfClosing"]
+                    and not token["selfClosingAcknowledged"]):
+                self.parseError("non-void-element-with-trailing-solidus",
+                                {"name": token["name"]})
+
+        # When the loop finishes it's EOF
+        reprocess = True
+        phases = []
+        while reprocess:
+            phases.append(self.phase)
+            reprocess = self.phase.processEOF()
+            if reprocess:
+                assert self.phase not in phases
+
+    def normalizedTokens(self):
+        for token in self.tokenizer:
+            yield self.normalizeToken(token)
+
+    def parse(self, stream, encoding=None, parseMeta=True, useChardet=True):
+        """Parse a HTML document into a well-formed tree
+
+        stream - a filelike object or string containing the HTML to be parsed
+
+        The optional encoding parameter must be a string that indicates
+        the encoding.  If specified, that encoding will be used,
+        regardless of any BOM or later declaration (such as in a meta
+        element)
+        """
+        self._parse(stream, innerHTML=False, encoding=encoding,
+                    parseMeta=parseMeta, useChardet=useChardet)
+        return self.tree.getDocument()
+
+    def parseFragment(self, stream, container="div", encoding=None,
+                      parseMeta=False, useChardet=True):
+        """Parse a HTML fragment into a well-formed tree fragment
+
+        container - name of the element we're setting the innerHTML property
+        if set to None, default to 'div'
+
+        stream - a filelike object or string containing the HTML to be parsed
+
+        The optional encoding parameter must be a string that indicates
+        the encoding.  If specified, that encoding will be used,
+        regardless of any BOM or later declaration (such as in a meta
+        element)
+        """
+        self._parse(stream, True, container=container, encoding=encoding)
+        return self.tree.getFragment()
+
+    def parseError(self, errorcode="XXX-undefined-error", datavars={}):
+        # XXX The idea is to make errorcode mandatory.
+        self.errors.append((self.tokenizer.stream.position(), errorcode, datavars))
+        if self.strict:
+            raise ParseError
+
+    def normalizeToken(self, token):
+        """ HTML5 specific normalizations to the token stream """
+
+        if token["type"] == tokenTypes["StartTag"]:
+            token["data"] = dict(token["data"][::-1])
+
+        return token
+
+    def adjustMathMLAttributes(self, token):
+        replacements = {"definitionurl": "definitionURL"}
+        for k, v in replacements.items():
+            if k in token["data"]:
+                token["data"][v] = token["data"][k]
+                del token["data"][k]
+
+    def adjustSVGAttributes(self, token):
+        replacements = {
+            "attributename": "attributeName",
+            "attributetype": "attributeType",
+            "basefrequency": "baseFrequency",
+            "baseprofile": "baseProfile",
+            "calcmode": "calcMode",
+            "clippathunits": "clipPathUnits",
+            "contentscripttype": "contentScriptType",
+            "contentstyletype": "contentStyleType",
+            "diffuseconstant": "diffuseConstant",
+            "edgemode": "edgeMode",
+            "externalresourcesrequired": "externalResourcesRequired",
+            "filterres": "filterRes",
+            "filterunits": "filterUnits",
+            "glyphref": "glyphRef",
+            "gradienttransform": "gradientTransform",
+            "gradientunits": "gradientUnits",
+            "kernelmatrix": "kernelMatrix",
+            "kernelunitlength": "kernelUnitLength",
+            "keypoints": "keyPoints",
+            "keysplines": "keySplines",
+            "keytimes": "keyTimes",
+            "lengthadjust": "lengthAdjust",
+            "limitingconeangle": "limitingConeAngle",
+            "markerheight": "markerHeight",
+            "markerunits": "markerUnits",
+            "markerwidth": "markerWidth",
+            "maskcontentunits": "maskContentUnits",
+            "maskunits": "maskUnits",
+            "numoctaves": "numOctaves",
+            "pathlength": "pathLength",
+            "patterncontentunits": "patternContentUnits",
+            "patterntransform": "patternTransform",
+            "patternunits": "patternUnits",
+            "pointsatx": "pointsAtX",
+            "pointsaty": "pointsAtY",
+            "pointsatz": "pointsAtZ",
+            "preservealpha": "preserveAlpha",
+            "preserveaspectratio": "preserveAspectRatio",
+            "primitiveunits": "primitiveUnits",
+            "refx": "refX",
+            "refy": "refY",
+            "repeatcount": "repeatCount",
+            "repeatdur": "repeatDur",
+            "requiredextensions": "requiredExtensions",
+            "requiredfeatures": "requiredFeatures",
+            "specularconstant": "specularConstant",
+            "specularexponent": "specularExponent",
+            "spreadmethod": "spreadMethod",
+            "startoffset": "startOffset",
+            "stddeviation": "stdDeviation",
+            "stitchtiles": "stitchTiles",
+            "surfacescale": "surfaceScale",
+            "systemlanguage": "systemLanguage",
+            "tablevalues": "tableValues",
+            "targetx": "targetX",
+            "targety": "targetY",
+            "textlength": "textLength",
+            "viewbox": "viewBox",
+            "viewtarget": "viewTarget",
+            "xchannelselector": "xChannelSelector",
+            "ychannelselector": "yChannelSelector",
+            "zoomandpan": "zoomAndPan"
+        }
+        for originalName in list(token["data"].keys()):
+            if originalName in replacements:
+                svgName = replacements[originalName]
+                token["data"][svgName] = token["data"][originalName]
+                del token["data"][originalName]
+
+    def adjustForeignAttributes(self, token):
+        replacements = adjustForeignAttributesMap
+
+        for originalName in token["data"].keys():
+            if originalName in replacements:
+                foreignName = replacements[originalName]
+                token["data"][foreignName] = token["data"][originalName]
+                del token["data"][originalName]
+
+    def reparseTokenNormal(self, token):
+        self.parser.phase()
+
+    def resetInsertionMode(self):
+        # The name of this method is mostly historical. (It's also used in the
+        # specification.)
+        last = False
+        newModes = {
+            "select": "inSelect",
+            "td": "inCell",
+            "th": "inCell",
+            "tr": "inRow",
+            "tbody": "inTableBody",
+            "thead": "inTableBody",
+            "tfoot": "inTableBody",
+            "caption": "inCaption",
+            "colgroup": "inColumnGroup",
+            "table": "inTable",
+            "head": "inBody",
+            "body": "inBody",
+            "frameset": "inFrameset",
+            "html": "beforeHead"
+        }
+        for node in self.tree.openElements[::-1]:
+            nodeName = node.name
+            new_phase = None
+            if node == self.tree.openElements[0]:
+                assert self.innerHTML
+                last = True
+                nodeName = self.innerHTML
+            # Check for conditions that should only happen in the innerHTML
+            # case
+            if nodeName in ("select", "colgroup", "head", "html"):
+                assert self.innerHTML
+
+            if not last and node.namespace != self.tree.defaultNamespace:
+                continue
+
+            if nodeName in newModes:
+                new_phase = self.phases[newModes[nodeName]]
+                break
+            elif last:
+                new_phase = self.phases["inBody"]
+                break
+
+        self.phase = new_phase
+
+    def parseRCDataRawtext(self, token, contentType):
+        """Generic RCDATA/RAWTEXT Parsing algorithm
+        contentType - RCDATA or RAWTEXT
+        """
+        assert contentType in ("RAWTEXT", "RCDATA")
+
+        self.tree.insertElement(token)
+
+        if contentType == "RAWTEXT":
+            self.tokenizer.state = self.tokenizer.rawtextState
+        else:
+            self.tokenizer.state = self.tokenizer.rcdataState
+
+        self.originalPhase = self.phase
+
+        self.phase = self.phases["text"]
+
+
+def getPhases(debug):
+    def log(function):
+        """Logger that records which phase processes each token"""
+        type_names = dict((value, key) for key, value in
+                          constants.tokenTypes.items())
+
+        def wrapped(self, *args, **kwargs):
+            if function.__name__.startswith("process") and len(args) > 0:
+                token = args[0]
+                try:
+                    info = {"type": type_names[token['type']]}
+                except:
+                    raise
+                if token['type'] in constants.tagTokenTypes:
+                    info["name"] = token['name']
+
+                self.parser.log.append((self.parser.tokenizer.state.__name__,
+                                        self.parser.phase.__class__.__name__,
+                                        self.__class__.__name__,
+                                        function.__name__,
+                                        info))
+                return function(self, *args, **kwargs)
+            else:
+                return function(self, *args, **kwargs)
+        return wrapped
+
+    def getMetaclass(use_metaclass, metaclass_func):
+        if use_metaclass:
+            return method_decorator_metaclass(metaclass_func)
+        else:
+            return type
+
+    class Phase(with_metaclass(getMetaclass(debug, log))):
+        """Base class for helper object that implements each phase of processing
+        """
+
+        def __init__(self, parser, tree):
+            self.parser = parser
+            self.tree = tree
+
+        def processEOF(self):
+            raise NotImplementedError
+
+        def processComment(self, token):
+            # For most phases the following is correct. Where it's not it will be
+            # overridden.
+            self.tree.insertComment(token, self.tree.openElements[-1])
+
+        def processDoctype(self, token):
+            self.parser.parseError("unexpected-doctype")
+
+        def processCharacters(self, token):
+            self.tree.insertText(token["data"])
+
+        def processSpaceCharacters(self, token):
+            self.tree.insertText(token["data"])
+
+        def processStartTag(self, token):
+            return self.startTagHandler[token["name"]](token)
+
+        def startTagHtml(self, token):
+            if not self.parser.firstStartTag and token["name"] == "html":
+                self.parser.parseError("non-html-root")
+            # XXX Need a check here to see if the first start tag token emitted is
+            # this token... If it's not, invoke self.parser.parseError().
+            for attr, value in token["data"].items():
+                if attr not in self.tree.openElements[0].attributes:
+                    self.tree.openElements[0].attributes[attr] = value
+            self.parser.firstStartTag = False
+
+        def processEndTag(self, token):
+            return self.endTagHandler[token["name"]](token)
+
+    class InitialPhase(Phase):
+        def processSpaceCharacters(self, token):
+            pass
+
+        def processComment(self, token):
+            self.tree.insertComment(token, self.tree.document)
+
+        def processDoctype(self, token):
+            name = token["name"]
+            publicId = token["publicId"]
+            systemId = token["systemId"]
+            correct = token["correct"]
+
+            if (name != "html" or publicId is not None or
+                    systemId is not None and systemId != "about:legacy-compat"):
+                self.parser.parseError("unknown-doctype")
+
+            if publicId is None:
+                publicId = ""
+
+            self.tree.insertDoctype(token)
+
+            if publicId != "":
+                publicId = publicId.translate(asciiUpper2Lower)
+
+            if (not correct or token["name"] != "html"
+                or publicId.startswith(
+                    ("+//silmaril//dtd html pro v0r11 19970101//",
+                     "-//advasoft ltd//dtd html 3.0 aswedit + extensions//",
+                     "-//as//dtd html 3.0 aswedit + extensions//",
+                     "-//ietf//dtd html 2.0 level 1//",
+                     "-//ietf//dtd html 2.0 level 2//",
+                     "-//ietf//dtd html 2.0 strict level 1//",
+                     "-//ietf//dtd html 2.0 strict level 2//",
+                     "-//ietf//dtd html 2.0 strict//",
+                     "-//ietf//dtd html 2.0//",
+                     "-//ietf//dtd html 2.1e//",
+                     "-//ietf//dtd html 3.0//",
+                     "-//ietf//dtd html 3.2 final//",
+                     "-//ietf//dtd html 3.2//",
+                     "-//ietf//dtd html 3//",
+                     "-//ietf//dtd html level 0//",
+                     "-//ietf//dtd html level 1//",
+                     "-//ietf//dtd html level 2//",
+                     "-//ietf//dtd html level 3//",
+                     "-//ietf//dtd html strict level 0//",
+                     "-//ietf//dtd html strict level 1//",
+                     "-//ietf//dtd html strict level 2//",
+                     "-//ietf//dtd html strict level 3//",
+                     "-//ietf//dtd html strict//",
+                     "-//ietf//dtd html//",
+                     "-//metrius//dtd metrius presentational//",
+                     "-//microsoft//dtd internet explorer 2.0 html strict//",
+                     "-//microsoft//dtd internet explorer 2.0 html//",
+                     "-//microsoft//dtd internet explorer 2.0 tables//",
+                     "-//microsoft//dtd internet explorer 3.0 html strict//",
+                     "-//microsoft//dtd internet explorer 3.0 html//",
+                     "-//microsoft//dtd internet explorer 3.0 tables//",
+                     "-//netscape comm. corp.//dtd html//",
+                     "-//netscape comm. corp.//dtd strict html//",
+                     "-//o'reilly and associates//dtd html 2.0//",
+                     "-//o'reilly and associates//dtd html extended 1.0//",
+                     "-//o'reilly and associates//dtd html extended relaxed 1.0//",
+                     "-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//",
+                     "-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//",
+                     "-//spyglass//dtd html 2.0 extended//",
+                     "-//sq//dtd html 2.0 hotmetal + extensions//",
+                     "-//sun microsystems corp.//dtd hotjava html//",
+                     "-//sun microsystems corp.//dtd hotjava strict html//",
+                     "-//w3c//dtd html 3 1995-03-24//",
+                     "-//w3c//dtd html 3.2 draft//",
+                     "-//w3c//dtd html 3.2 final//",
+                     "-//w3c//dtd html 3.2//",
+                     "-//w3c//dtd html 3.2s draft//",
+                     "-//w3c//dtd html 4.0 frameset//",
+                     "-//w3c//dtd html 4.0 transitional//",
+                     "-//w3c//dtd html experimental 19960712//",
+                     "-//w3c//dtd html experimental 970421//",
+                     "-//w3c//dtd w3 html//",
+                     "-//w3o//dtd w3 html 3.0//",
+                     "-//webtechs//dtd mozilla html 2.0//",
+                     "-//webtechs//dtd mozilla html//"))
+                or publicId in
+                    ("-//w3o//dtd w3 html strict 3.0//en//",
+                     "-/w3c/dtd html 4.0 transitional/en",
+                     "html")
+                or publicId.startswith(
+                    ("-//w3c//dtd html 4.01 frameset//",
+                     "-//w3c//dtd html 4.01 transitional//")) and
+                    systemId is None
+                    or systemId and systemId.lower() == "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd"):
+                self.parser.compatMode = "quirks"
+            elif (publicId.startswith(
+                    ("-//w3c//dtd xhtml 1.0 frameset//",
+                     "-//w3c//dtd xhtml 1.0 transitional//"))
+                  or publicId.startswith(
+                      ("-//w3c//dtd html 4.01 frameset//",
+                       "-//w3c//dtd html 4.01 transitional//")) and
+                  systemId is not None):
+                self.parser.compatMode = "limited quirks"
+
+            self.parser.phase = self.parser.phases["beforeHtml"]
+
+        def anythingElse(self):
+            self.parser.compatMode = "quirks"
+            self.parser.phase = self.parser.phases["beforeHtml"]
+
+        def processCharacters(self, token):
+            self.parser.parseError("expected-doctype-but-got-chars")
+            self.anythingElse()
+            return token
+
+        def processStartTag(self, token):
+            self.parser.parseError("expected-doctype-but-got-start-tag",
+                                   {"name": token["name"]})
+            self.anythingElse()
+            return token
+
+        def processEndTag(self, token):
+            self.parser.parseError("expected-doctype-but-got-end-tag",
+                                   {"name": token["name"]})
+            self.anythingElse()
+            return token
+
+        def processEOF(self):
+            self.parser.parseError("expected-doctype-but-got-eof")
+            self.anythingElse()
+            return True
+
+    class BeforeHtmlPhase(Phase):
+        # helper methods
+        def insertHtmlElement(self):
+            self.tree.insertRoot(impliedTagToken("html", "StartTag"))
+            self.parser.phase = self.parser.phases["beforeHead"]
+
+        # other
+        def processEOF(self):
+            self.insertHtmlElement()
+            return True
+
+        def processComment(self, token):
+            self.tree.insertComment(token, self.tree.document)
+
+        def processSpaceCharacters(self, token):
+            pass
+
+        def processCharacters(self, token):
+            self.insertHtmlElement()
+            return token
+
+        def processStartTag(self, token):
+            if token["name"] == "html":
+                self.parser.firstStartTag = True
+            self.insertHtmlElement()
+            return token
+
+        def processEndTag(self, token):
+            if token["name"] not in ("head", "body", "html", "br"):
+                self.parser.parseError("unexpected-end-tag-before-html",
+                                       {"name": token["name"]})
+            else:
+                self.insertHtmlElement()
+                return token
+
+    class BeforeHeadPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("head", self.startTagHead)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                (("head", "body", "html", "br"), self.endTagImplyHead)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        def processEOF(self):
+            self.startTagHead(impliedTagToken("head", "StartTag"))
+            return True
+
+        def processSpaceCharacters(self, token):
+            pass
+
+        def processCharacters(self, token):
+            self.startTagHead(impliedTagToken("head", "StartTag"))
+            return token
+
+        def startTagHtml(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def startTagHead(self, token):
+            self.tree.insertElement(token)
+            self.tree.headPointer = self.tree.openElements[-1]
+            self.parser.phase = self.parser.phases["inHead"]
+
+        def startTagOther(self, token):
+            self.startTagHead(impliedTagToken("head", "StartTag"))
+            return token
+
+        def endTagImplyHead(self, token):
+            self.startTagHead(impliedTagToken("head", "StartTag"))
+            return token
+
+        def endTagOther(self, token):
+            self.parser.parseError("end-tag-after-implied-root",
+                                   {"name": token["name"]})
+
+    class InHeadPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("title", self.startTagTitle),
+                (("noscript", "noframes", "style"), self.startTagNoScriptNoFramesStyle),
+                ("script", self.startTagScript),
+                (("base", "basefont", "bgsound", "command", "link"),
+                 self.startTagBaseLinkCommand),
+                ("meta", self.startTagMeta),
+                ("head", self.startTagHead)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self. endTagHandler = utils.MethodDispatcher([
+                ("head", self.endTagHead),
+                (("br", "html", "body"), self.endTagHtmlBodyBr)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        # the real thing
+        def processEOF(self):
+            self.anythingElse()
+            return True
+
+        def processCharacters(self, token):
+            self.anythingElse()
+            return token
+
+        def startTagHtml(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def startTagHead(self, token):
+            self.parser.parseError("two-heads-are-not-better-than-one")
+
+        def startTagBaseLinkCommand(self, token):
+            self.tree.insertElement(token)
+            self.tree.openElements.pop()
+            token["selfClosingAcknowledged"] = True
+
+        def startTagMeta(self, token):
+            self.tree.insertElement(token)
+            self.tree.openElements.pop()
+            token["selfClosingAcknowledged"] = True
+
+            attributes = token["data"]
+            if self.parser.tokenizer.stream.charEncoding[1] == "tentative":
+                if "charset" in attributes:
+                    self.parser.tokenizer.stream.changeEncoding(attributes["charset"])
+                elif ("content" in attributes and
+                      "http-equiv" in attributes and
+                      attributes["http-equiv"].lower() == "content-type"):
+                    # Encoding it as UTF-8 here is a hack, as really we should pass
+                    # the abstract Unicode string, and just use the
+                    # ContentAttrParser on that, but using UTF-8 allows all chars
+                    # to be encoded and as a ASCII-superset works.
+                    data = inputstream.EncodingBytes(attributes["content"].encode("utf-8"))
+                    parser = inputstream.ContentAttrParser(data)
+                    codec = parser.parse()
+                    self.parser.tokenizer.stream.changeEncoding(codec)
+
+        def startTagTitle(self, token):
+            self.parser.parseRCDataRawtext(token, "RCDATA")
+
+        def startTagNoScriptNoFramesStyle(self, token):
+            # Need to decide whether to implement the scripting-disabled case
+            self.parser.parseRCDataRawtext(token, "RAWTEXT")
+
+        def startTagScript(self, token):
+            self.tree.insertElement(token)
+            self.parser.tokenizer.state = self.parser.tokenizer.scriptDataState
+            self.parser.originalPhase = self.parser.phase
+            self.parser.phase = self.parser.phases["text"]
+
+        def startTagOther(self, token):
+            self.anythingElse()
+            return token
+
+        def endTagHead(self, token):
+            node = self.parser.tree.openElements.pop()
+            assert node.name == "head", "Expected head got %s" % node.name
+            self.parser.phase = self.parser.phases["afterHead"]
+
+        def endTagHtmlBodyBr(self, token):
+            self.anythingElse()
+            return token
+
+        def endTagOther(self, token):
+            self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+
+        def anythingElse(self):
+            self.endTagHead(impliedTagToken("head"))
+
+    # XXX If we implement a parser for which scripting is disabled we need to
+    # implement this phase.
+    #
+    # class InHeadNoScriptPhase(Phase):
+    class AfterHeadPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("body", self.startTagBody),
+                ("frameset", self.startTagFrameset),
+                (("base", "basefont", "bgsound", "link", "meta", "noframes", "script",
+                  "style", "title"),
+                 self.startTagFromHead),
+                ("head", self.startTagHead)
+            ])
+            self.startTagHandler.default = self.startTagOther
+            self.endTagHandler = utils.MethodDispatcher([(("body", "html", "br"),
+                                                          self.endTagHtmlBodyBr)])
+            self.endTagHandler.default = self.endTagOther
+
+        def processEOF(self):
+            self.anythingElse()
+            return True
+
+        def processCharacters(self, token):
+            self.anythingElse()
+            return token
+
+        def startTagHtml(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def startTagBody(self, token):
+            self.parser.framesetOK = False
+            self.tree.insertElement(token)
+            self.parser.phase = self.parser.phases["inBody"]
+
+        def startTagFrameset(self, token):
+            self.tree.insertElement(token)
+            self.parser.phase = self.parser.phases["inFrameset"]
+
+        def startTagFromHead(self, token):
+            self.parser.parseError("unexpected-start-tag-out-of-my-head",
+                                   {"name": token["name"]})
+            self.tree.openElements.append(self.tree.headPointer)
+            self.parser.phases["inHead"].processStartTag(token)
+            for node in self.tree.openElements[::-1]:
+                if node.name == "head":
+                    self.tree.openElements.remove(node)
+                    break
+
+        def startTagHead(self, token):
+            self.parser.parseError("unexpected-start-tag", {"name": token["name"]})
+
+        def startTagOther(self, token):
+            self.anythingElse()
+            return token
+
+        def endTagHtmlBodyBr(self, token):
+            self.anythingElse()
+            return token
+
+        def endTagOther(self, token):
+            self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+
+        def anythingElse(self):
+            self.tree.insertElement(impliedTagToken("body", "StartTag"))
+            self.parser.phase = self.parser.phases["inBody"]
+            self.parser.framesetOK = True
+
+    class InBodyPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#parsing-main-inbody
+        # the really-really-really-very crazy mode
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            # Keep a ref to this for special handling of whitespace in <pre>
+            self.processSpaceCharactersNonPre = self.processSpaceCharacters
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                (("base", "basefont", "bgsound", "command", "link", "meta",
+                  "noframes", "script", "style", "title"),
+                 self.startTagProcessInHead),
+                ("body", self.startTagBody),
+                ("frameset", self.startTagFrameset),
+                (("address", "article", "aside", "blockquote", "center", "details",
+                  "details", "dir", "div", "dl", "fieldset", "figcaption", "figure",
+                  "footer", "header", "hgroup", "main", "menu", "nav", "ol", "p",
+                  "section", "summary", "ul"),
+                 self.startTagCloseP),
+                (headingElements, self.startTagHeading),
+                (("pre", "listing"), self.startTagPreListing),
+                ("form", self.startTagForm),
+                (("li", "dd", "dt"), self.startTagListItem),
+                ("plaintext", self.startTagPlaintext),
+                ("a", self.startTagA),
+                (("b", "big", "code", "em", "font", "i", "s", "small", "strike",
+                  "strong", "tt", "u"), self.startTagFormatting),
+                ("nobr", self.startTagNobr),
+                ("button", self.startTagButton),
+                (("applet", "marquee", "object"), self.startTagAppletMarqueeObject),
+                ("xmp", self.startTagXmp),
+                ("table", self.startTagTable),
+                (("area", "br", "embed", "img", "keygen", "wbr"),
+                 self.startTagVoidFormatting),
+                (("param", "source", "track"), self.startTagParamSource),
+                ("input", self.startTagInput),
+                ("hr", self.startTagHr),
+                ("image", self.startTagImage),
+                ("isindex", self.startTagIsIndex),
+                ("textarea", self.startTagTextarea),
+                ("iframe", self.startTagIFrame),
+                (("noembed", "noframes", "noscript"), self.startTagRawtext),
+                ("select", self.startTagSelect),
+                (("rp", "rt"), self.startTagRpRt),
+                (("option", "optgroup"), self.startTagOpt),
+                (("math"), self.startTagMath),
+                (("svg"), self.startTagSvg),
+                (("caption", "col", "colgroup", "frame", "head",
+                  "tbody", "td", "tfoot", "th", "thead",
+                  "tr"), self.startTagMisplaced)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("body", self.endTagBody),
+                ("html", self.endTagHtml),
+                (("address", "article", "aside", "blockquote", "button", "center",
+                  "details", "dialog", "dir", "div", "dl", "fieldset", "figcaption", "figure",
+                  "footer", "header", "hgroup", "listing", "main", "menu", "nav", "ol", "pre",
+                  "section", "summary", "ul"), self.endTagBlock),
+                ("form", self.endTagForm),
+                ("p", self.endTagP),
+                (("dd", "dt", "li"), self.endTagListItem),
+                (headingElements, self.endTagHeading),
+                (("a", "b", "big", "code", "em", "font", "i", "nobr", "s", "small",
+                  "strike", "strong", "tt", "u"), self.endTagFormatting),
+                (("applet", "marquee", "object"), self.endTagAppletMarqueeObject),
+                ("br", self.endTagBr),
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        def isMatchingFormattingElement(self, node1, node2):
+            if node1.name != node2.name or node1.namespace != node2.namespace:
+                return False
+            elif len(node1.attributes) != len(node2.attributes):
+                return False
+            else:
+                attributes1 = sorted(node1.attributes.items())
+                attributes2 = sorted(node2.attributes.items())
+                for attr1, attr2 in zip(attributes1, attributes2):
+                    if attr1 != attr2:
+                        return False
+            return True
+
+        # helper
+        def addFormattingElement(self, token):
+            self.tree.insertElement(token)
+            element = self.tree.openElements[-1]
+
+            matchingElements = []
+            for node in self.tree.activeFormattingElements[::-1]:
+                if node is Marker:
+                    break
+                elif self.isMatchingFormattingElement(node, element):
+                    matchingElements.append(node)
+
+            assert len(matchingElements) <= 3
+            if len(matchingElements) == 3:
+                self.tree.activeFormattingElements.remove(matchingElements[-1])
+            self.tree.activeFormattingElements.append(element)
+
+        # the real deal
+        def processEOF(self):
+            allowed_elements = frozenset(("dd", "dt", "li", "p", "tbody", "td",
+                                          "tfoot", "th", "thead", "tr", "body",
+                                          "html"))
+            for node in self.tree.openElements[::-1]:
+                if node.name not in allowed_elements:
+                    self.parser.parseError("expected-closing-tag-but-got-eof")
+                    break
+            # Stop parsing
+
+        def processSpaceCharactersDropNewline(self, token):
+            # Sometimes (start of <pre>, <listing>, and <textarea> blocks) we
+            # want to drop leading newlines
+            data = token["data"]
+            self.processSpaceCharacters = self.processSpaceCharactersNonPre
+            if (data.startswith("\n") and
+                self.tree.openElements[-1].name in ("pre", "listing", "textarea")
+                    and not self.tree.openElements[-1].hasContent()):
+                data = data[1:]
+            if data:
+                self.tree.reconstructActiveFormattingElements()
+                self.tree.insertText(data)
+
+        def processCharacters(self, token):
+            if token["data"] == "\u0000":
+                # The tokenizer should always emit null on its own
+                return
+            self.tree.reconstructActiveFormattingElements()
+            self.tree.insertText(token["data"])
+            # This must be bad for performance
+            if (self.parser.framesetOK and
+                any([char not in spaceCharacters
+                     for char in token["data"]])):
+                self.parser.framesetOK = False
+
+        def processSpaceCharacters(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.tree.insertText(token["data"])
+
+        def startTagProcessInHead(self, token):
+            return self.parser.phases["inHead"].processStartTag(token)
+
+        def startTagBody(self, token):
+            self.parser.parseError("unexpected-start-tag", {"name": "body"})
+            if (len(self.tree.openElements) == 1
+                    or self.tree.openElements[1].name != "body"):
+                assert self.parser.innerHTML
+            else:
+                self.parser.framesetOK = False
+                for attr, value in token["data"].items():
+                    if attr not in self.tree.openElements[1].attributes:
+                        self.tree.openElements[1].attributes[attr] = value
+
+        def startTagFrameset(self, token):
+            self.parser.parseError("unexpected-start-tag", {"name": "frameset"})
+            if (len(self.tree.openElements) == 1 or self.tree.openElements[1].name != "body"):
+                assert self.parser.innerHTML
+            elif not self.parser.framesetOK:
+                pass
+            else:
+                if self.tree.openElements[1].parent:
+                    self.tree.openElements[1].parent.removeChild(self.tree.openElements[1])
+                while self.tree.openElements[-1].name != "html":
+                    self.tree.openElements.pop()
+                self.tree.insertElement(token)
+                self.parser.phase = self.parser.phases["inFrameset"]
+
+        def startTagCloseP(self, token):
+            if self.tree.elementInScope("p", variant="button"):
+                self.endTagP(impliedTagToken("p"))
+            self.tree.insertElement(token)
+
+        def startTagPreListing(self, token):
+            if self.tree.elementInScope("p", variant="button"):
+                self.endTagP(impliedTagToken("p"))
+            self.tree.insertElement(token)
+            self.parser.framesetOK = False
+            self.processSpaceCharacters = self.processSpaceCharactersDropNewline
+
+        def startTagForm(self, token):
+            if self.tree.formPointer:
+                self.parser.parseError("unexpected-start-tag", {"name": "form"})
+            else:
+                if self.tree.elementInScope("p", variant="button"):
+                    self.endTagP(impliedTagToken("p"))
+                self.tree.insertElement(token)
+                self.tree.formPointer = self.tree.openElements[-1]
+
+        def startTagListItem(self, token):
+            self.parser.framesetOK = False
+
+            stopNamesMap = {"li": ["li"],
+                            "dt": ["dt", "dd"],
+                            "dd": ["dt", "dd"]}
+            stopNames = stopNamesMap[token["name"]]
+            for node in reversed(self.tree.openElements):
+                if node.name in stopNames:
+                    self.parser.phase.processEndTag(
+                        impliedTagToken(node.name, "EndTag"))
+                    break
+                if (node.nameTuple in specialElements and
+                        node.name not in ("address", "div", "p")):
+                    break
+
+            if self.tree.elementInScope("p", variant="button"):
+                self.parser.phase.processEndTag(
+                    impliedTagToken("p", "EndTag"))
+
+            self.tree.insertElement(token)
+
+        def startTagPlaintext(self, token):
+            if self.tree.elementInScope("p", variant="button"):
+                self.endTagP(impliedTagToken("p"))
+            self.tree.insertElement(token)
+            self.parser.tokenizer.state = self.parser.tokenizer.plaintextState
+
+        def startTagHeading(self, token):
+            if self.tree.elementInScope("p", variant="button"):
+                self.endTagP(impliedTagToken("p"))
+            if self.tree.openElements[-1].name in headingElements:
+                self.parser.parseError("unexpected-start-tag", {"name": token["name"]})
+                self.tree.openElements.pop()
+            self.tree.insertElement(token)
+
+        def startTagA(self, token):
+            afeAElement = self.tree.elementInActiveFormattingElements("a")
+            if afeAElement:
+                self.parser.parseError("unexpected-start-tag-implies-end-tag",
+                                       {"startName": "a", "endName": "a"})
+                self.endTagFormatting(impliedTagToken("a"))
+                if afeAElement in self.tree.openElements:
+                    self.tree.openElements.remove(afeAElement)
+                if afeAElement in self.tree.activeFormattingElements:
+                    self.tree.activeFormattingElements.remove(afeAElement)
+            self.tree.reconstructActiveFormattingElements()
+            self.addFormattingElement(token)
+
+        def startTagFormatting(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.addFormattingElement(token)
+
+        def startTagNobr(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            if self.tree.elementInScope("nobr"):
+                self.parser.parseError("unexpected-start-tag-implies-end-tag",
+                                       {"startName": "nobr", "endName": "nobr"})
+                self.processEndTag(impliedTagToken("nobr"))
+                # XXX Need tests that trigger the following
+                self.tree.reconstructActiveFormattingElements()
+            self.addFormattingElement(token)
+
+        def startTagButton(self, token):
+            if self.tree.elementInScope("button"):
+                self.parser.parseError("unexpected-start-tag-implies-end-tag",
+                                       {"startName": "button", "endName": "button"})
+                self.processEndTag(impliedTagToken("button"))
+                return token
+            else:
+                self.tree.reconstructActiveFormattingElements()
+                self.tree.insertElement(token)
+                self.parser.framesetOK = False
+
+        def startTagAppletMarqueeObject(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.tree.insertElement(token)
+            self.tree.activeFormattingElements.append(Marker)
+            self.parser.framesetOK = False
+
+        def startTagXmp(self, token):
+            if self.tree.elementInScope("p", variant="button"):
+                self.endTagP(impliedTagToken("p"))
+            self.tree.reconstructActiveFormattingElements()
+            self.parser.framesetOK = False
+            self.parser.parseRCDataRawtext(token, "RAWTEXT")
+
+        def startTagTable(self, token):
+            if self.parser.compatMode != "quirks":
+                if self.tree.elementInScope("p", variant="button"):
+                    self.processEndTag(impliedTagToken("p"))
+            self.tree.insertElement(token)
+            self.parser.framesetOK = False
+            self.parser.phase = self.parser.phases["inTable"]
+
+        def startTagVoidFormatting(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.tree.insertElement(token)
+            self.tree.openElements.pop()
+            token["selfClosingAcknowledged"] = True
+            self.parser.framesetOK = False
+
+        def startTagInput(self, token):
+            framesetOK = self.parser.framesetOK
+            self.startTagVoidFormatting(token)
+            if ("type" in token["data"] and
+                    token["data"]["type"].translate(asciiUpper2Lower) == "hidden"):
+                # input type=hidden doesn't change framesetOK
+                self.parser.framesetOK = framesetOK
+
+        def startTagParamSource(self, token):
+            self.tree.insertElement(token)
+            self.tree.openElements.pop()
+            token["selfClosingAcknowledged"] = True
+
+        def startTagHr(self, token):
+            if self.tree.elementInScope("p", variant="button"):
+                self.endTagP(impliedTagToken("p"))
+            self.tree.insertElement(token)
+            self.tree.openElements.pop()
+            token["selfClosingAcknowledged"] = True
+            self.parser.framesetOK = False
+
+        def startTagImage(self, token):
+            # No really...
+            self.parser.parseError("unexpected-start-tag-treated-as",
+                                   {"originalName": "image", "newName": "img"})
+            self.processStartTag(impliedTagToken("img", "StartTag",
+                                                 attributes=token["data"],
+                                                 selfClosing=token["selfClosing"]))
+
+        def startTagIsIndex(self, token):
+            self.parser.parseError("deprecated-tag", {"name": "isindex"})
+            if self.tree.formPointer:
+                return
+            form_attrs = {}
+            if "action" in token["data"]:
+                form_attrs["action"] = token["data"]["action"]
+            self.processStartTag(impliedTagToken("form", "StartTag",
+                                                 attributes=form_attrs))
+            self.processStartTag(impliedTagToken("hr", "StartTag"))
+            self.processStartTag(impliedTagToken("label", "StartTag"))
+            # XXX Localization ...
+            if "prompt" in token["data"]:
+                prompt = token["data"]["prompt"]
+            else:
+                prompt = "This is a searchable index. Enter search keywords: "
+            self.processCharacters(
+                {"type": tokenTypes["Characters"], "data": prompt})
+            attributes = token["data"].copy()
+            if "action" in attributes:
+                del attributes["action"]
+            if "prompt" in attributes:
+                del attributes["prompt"]
+            attributes["name"] = "isindex"
+            self.processStartTag(impliedTagToken("input", "StartTag",
+                                                 attributes=attributes,
+                                                 selfClosing=token["selfClosing"]))
+            self.processEndTag(impliedTagToken("label"))
+            self.processStartTag(impliedTagToken("hr", "StartTag"))
+            self.processEndTag(impliedTagToken("form"))
+
+        def startTagTextarea(self, token):
+            self.tree.insertElement(token)
+            self.parser.tokenizer.state = self.parser.tokenizer.rcdataState
+            self.processSpaceCharacters = self.processSpaceCharactersDropNewline
+            self.parser.framesetOK = False
+
+        def startTagIFrame(self, token):
+            self.parser.framesetOK = False
+            self.startTagRawtext(token)
+
+        def startTagRawtext(self, token):
+            """iframe, noembed noframes, noscript(if scripting enabled)"""
+            self.parser.parseRCDataRawtext(token, "RAWTEXT")
+
+        def startTagOpt(self, token):
+            if self.tree.openElements[-1].name == "option":
+                self.parser.phase.processEndTag(impliedTagToken("option"))
+            self.tree.reconstructActiveFormattingElements()
+            self.parser.tree.insertElement(token)
+
+        def startTagSelect(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.tree.insertElement(token)
+            self.parser.framesetOK = False
+            if self.parser.phase in (self.parser.phases["inTable"],
+                                     self.parser.phases["inCaption"],
+                                     self.parser.phases["inColumnGroup"],
+                                     self.parser.phases["inTableBody"],
+                                     self.parser.phases["inRow"],
+                                     self.parser.phases["inCell"]):
+                self.parser.phase = self.parser.phases["inSelectInTable"]
+            else:
+                self.parser.phase = self.parser.phases["inSelect"]
+
+        def startTagRpRt(self, token):
+            if self.tree.elementInScope("ruby"):
+                self.tree.generateImpliedEndTags()
+                if self.tree.openElements[-1].name != "ruby":
+                    self.parser.parseError()
+            self.tree.insertElement(token)
+
+        def startTagMath(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.parser.adjustMathMLAttributes(token)
+            self.parser.adjustForeignAttributes(token)
+            token["namespace"] = namespaces["mathml"]
+            self.tree.insertElement(token)
+            # Need to get the parse error right for the case where the token
+            # has a namespace not equal to the xmlns attribute
+            if token["selfClosing"]:
+                self.tree.openElements.pop()
+                token["selfClosingAcknowledged"] = True
+
+        def startTagSvg(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.parser.adjustSVGAttributes(token)
+            self.parser.adjustForeignAttributes(token)
+            token["namespace"] = namespaces["svg"]
+            self.tree.insertElement(token)
+            # Need to get the parse error right for the case where the token
+            # has a namespace not equal to the xmlns attribute
+            if token["selfClosing"]:
+                self.tree.openElements.pop()
+                token["selfClosingAcknowledged"] = True
+
+        def startTagMisplaced(self, token):
+            """ Elements that should be children of other elements that have a
+            different insertion mode; here they are ignored
+            "caption", "col", "colgroup", "frame", "frameset", "head",
+            "option", "optgroup", "tbody", "td", "tfoot", "th", "thead",
+            "tr", "noscript"
+            """
+            self.parser.parseError("unexpected-start-tag-ignored", {"name": token["name"]})
+
+        def startTagOther(self, token):
+            self.tree.reconstructActiveFormattingElements()
+            self.tree.insertElement(token)
+
+        def endTagP(self, token):
+            if not self.tree.elementInScope("p", variant="button"):
+                self.startTagCloseP(impliedTagToken("p", "StartTag"))
+                self.parser.parseError("unexpected-end-tag", {"name": "p"})
+                self.endTagP(impliedTagToken("p", "EndTag"))
+            else:
+                self.tree.generateImpliedEndTags("p")
+                if self.tree.openElements[-1].name != "p":
+                    self.parser.parseError("unexpected-end-tag", {"name": "p"})
+                node = self.tree.openElements.pop()
+                while node.name != "p":
+                    node = self.tree.openElements.pop()
+
+        def endTagBody(self, token):
+            if not self.tree.elementInScope("body"):
+                self.parser.parseError()
+                return
+            elif self.tree.openElements[-1].name != "body":
+                for node in self.tree.openElements[2:]:
+                    if node.name not in frozenset(("dd", "dt", "li", "optgroup",
+                                                   "option", "p", "rp", "rt",
+                                                   "tbody", "td", "tfoot",
+                                                   "th", "thead", "tr", "body",
+                                                   "html")):
+                        # Not sure this is the correct name for the parse error
+                        self.parser.parseError(
+                            "expected-one-end-tag-but-got-another",
+                            {"expectedName": "body", "gotName": node.name})
+                        break
+            self.parser.phase = self.parser.phases["afterBody"]
+
+        def endTagHtml(self, token):
+            # We repeat the test for the body end tag token being ignored here
+            if self.tree.elementInScope("body"):
+                self.endTagBody(impliedTagToken("body"))
+                return token
+
+        def endTagBlock(self, token):
+            # Put us back in the right whitespace handling mode
+            if token["name"] == "pre":
+                self.processSpaceCharacters = self.processSpaceCharactersNonPre
+            inScope = self.tree.elementInScope(token["name"])
+            if inScope:
+                self.tree.generateImpliedEndTags()
+            if self.tree.openElements[-1].name != token["name"]:
+                self.parser.parseError("end-tag-too-early", {"name": token["name"]})
+            if inScope:
+                node = self.tree.openElements.pop()
+                while node.name != token["name"]:
+                    node = self.tree.openElements.pop()
+
+        def endTagForm(self, token):
+            node = self.tree.formPointer
+            self.tree.formPointer = None
+            if node is None or not self.tree.elementInScope(node):
+                self.parser.parseError("unexpected-end-tag",
+                                       {"name": "form"})
+            else:
+                self.tree.generateImpliedEndTags()
+                if self.tree.openElements[-1] != node:
+                    self.parser.parseError("end-tag-too-early-ignored",
+                                           {"name": "form"})
+                self.tree.openElements.remove(node)
+
+        def endTagListItem(self, token):
+            if token["name"] == "li":
+                variant = "list"
+            else:
+                variant = None
+            if not self.tree.elementInScope(token["name"], variant=variant):
+                self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+            else:
+                self.tree.generateImpliedEndTags(exclude=token["name"])
+                if self.tree.openElements[-1].name != token["name"]:
+                    self.parser.parseError(
+                        "end-tag-too-early",
+                        {"name": token["name"]})
+                node = self.tree.openElements.pop()
+                while node.name != token["name"]:
+                    node = self.tree.openElements.pop()
+
+        def endTagHeading(self, token):
+            for item in headingElements:
+                if self.tree.elementInScope(item):
+                    self.tree.generateImpliedEndTags()
+                    break
+            if self.tree.openElements[-1].name != token["name"]:
+                self.parser.parseError("end-tag-too-early", {"name": token["name"]})
+
+            for item in headingElements:
+                if self.tree.elementInScope(item):
+                    item = self.tree.openElements.pop()
+                    while item.name not in headingElements:
+                        item = self.tree.openElements.pop()
+                    break
+
+        def endTagFormatting(self, token):
+            """The much-feared adoption agency algorithm"""
+            # http://svn.whatwg.org/webapps/complete.html#adoptionAgency revision 7867
+            # XXX Better parseError messages appreciated.
+
+            # Step 1
+            outerLoopCounter = 0
+
+            # Step 2
+            while outerLoopCounter < 8:
+
+                # Step 3
+                outerLoopCounter += 1
+
+                # Step 4:
+
+                # Let the formatting element be the last element in
+                # the list of active formatting elements that:
+                # - is between the end of the list and the last scope
+                # marker in the list, if any, or the start of the list
+                # otherwise, and
+                # - has the same tag name as the token.
+                formattingElement = self.tree.elementInActiveFormattingElements(
+                    token["name"])
+                if (not formattingElement or
+                    (formattingElement in self.tree.openElements and
+                     not self.tree.elementInScope(formattingElement.name))):
+                    # If there is no such node, then abort these steps
+                    # and instead act as described in the "any other
+                    # end tag" entry below.
+                    self.endTagOther(token)
+                    return
+
+                # Otherwise, if there is such a node, but that node is
+                # not in the stack of open elements, then this is a
+                # parse error; remove the element from the list, and
+                # abort these steps.
+                elif formattingElement not in self.tree.openElements:
+                    self.parser.parseError("adoption-agency-1.2", {"name": token["name"]})
+                    self.tree.activeFormattingElements.remove(formattingElement)
+                    return
+
+                # Otherwise, if there is such a node, and that node is
+                # also in the stack of open elements, but the element
+                # is not in scope, then this is a parse error; ignore
+                # the token, and abort these steps.
+                elif not self.tree.elementInScope(formattingElement.name):
+                    self.parser.parseError("adoption-agency-4.4", {"name": token["name"]})
+                    return
+
+                # Otherwise, there is a formatting element and that
+                # element is in the stack and is in scope. If the
+                # element is not the current node, this is a parse
+                # error. In any case, proceed with the algorithm as
+                # written in the following steps.
+                else:
+                    if formattingElement != self.tree.openElements[-1]:
+                        self.parser.parseError("adoption-agency-1.3", {"name": token["name"]})
+
+                # Step 5:
+
+                # Let the furthest block be the topmost node in the
+                # stack of open elements that is lower in the stack
+                # than the formatting element, and is an element in
+                # the special category. There might not be one.
+                afeIndex = self.tree.openElements.index(formattingElement)
+                furthestBlock = None
+                for element in self.tree.openElements[afeIndex:]:
+                    if element.nameTuple in specialElements:
+                        furthestBlock = element
+                        break
+
+                # Step 6:
+
+                # If there is no furthest block, then the UA must
+                # first pop all the nodes from the bottom of the stack
+                # of open elements, from the current node up to and
+                # including the formatting element, then remove the
+                # formatting element from the list of active
+                # formatting elements, and finally abort these steps.
+                if furthestBlock is None:
+                    element = self.tree.openElements.pop()
+                    while element != formattingElement:
+                        element = self.tree.openElements.pop()
+                    self.tree.activeFormattingElements.remove(element)
+                    return
+
+                # Step 7
+                commonAncestor = self.tree.openElements[afeIndex - 1]
+
+                # Step 8:
+                # The bookmark is supposed to help us identify where to reinsert
+                # nodes in step 15. We have to ensure that we reinsert nodes after
+                # the node before the active formatting element. Note the bookmark
+                # can move in step 9.7
+                bookmark = self.tree.activeFormattingElements.index(formattingElement)
+
+                # Step 9
+                lastNode = node = furthestBlock
+                innerLoopCounter = 0
+
+                index = self.tree.openElements.index(node)
+                while innerLoopCounter < 3:
+                    innerLoopCounter += 1
+                    # Node is element before node in open elements
+                    index -= 1
+                    node = self.tree.openElements[index]
+                    if node not in self.tree.activeFormattingElements:
+                        self.tree.openElements.remove(node)
+                        continue
+                    # Step 9.6
+                    if node == formattingElement:
+                        break
+                    # Step 9.7
+                    if lastNode == furthestBlock:
+                        bookmark = self.tree.activeFormattingElements.index(node) + 1
+                    # Step 9.8
+                    clone = node.cloneNode()
+                    # Replace node with clone
+                    self.tree.activeFormattingElements[
+                        self.tree.activeFormattingElements.index(node)] = clone
+                    self.tree.openElements[
+                        self.tree.openElements.index(node)] = clone
+                    node = clone
+                    # Step 9.9
+                    # Remove lastNode from its parents, if any
+                    if lastNode.parent:
+                        lastNode.parent.removeChild(lastNode)
+                    node.appendChild(lastNode)
+                    # Step 9.10
+                    lastNode = node
+
+                # Step 10
+                # Foster parent lastNode if commonAncestor is a
+                # table, tbody, tfoot, thead, or tr we need to foster
+                # parent the lastNode
+                if lastNode.parent:
+                    lastNode.parent.removeChild(lastNode)
+
+                if commonAncestor.name in frozenset(("table", "tbody", "tfoot", "thead", "tr")):
+                    parent, insertBefore = self.tree.getTableMisnestedNodePosition()
+                    parent.insertBefore(lastNode, insertBefore)
+                else:
+                    commonAncestor.appendChild(lastNode)
+
+                # Step 11
+                clone = formattingElement.cloneNode()
+
+                # Step 12
+                furthestBlock.reparentChildren(clone)
+
+                # Step 13
+                furthestBlock.appendChild(clone)
+
+                # Step 14
+                self.tree.activeFormattingElements.remove(formattingElement)
+                self.tree.activeFormattingElements.insert(bookmark, clone)
+
+                # Step 15
+                self.tree.openElements.remove(formattingElement)
+                self.tree.openElements.insert(
+                    self.tree.openElements.index(furthestBlock) + 1, clone)
+
+        def endTagAppletMarqueeObject(self, token):
+            if self.tree.elementInScope(token["name"]):
+                self.tree.generateImpliedEndTags()
+            if self.tree.openElements[-1].name != token["name"]:
+                self.parser.parseError("end-tag-too-early", {"name": token["name"]})
+
+            if self.tree.elementInScope(token["name"]):
+                element = self.tree.openElements.pop()
+                while element.name != token["name"]:
+                    element = self.tree.openElements.pop()
+                self.tree.clearActiveFormattingElements()
+
+        def endTagBr(self, token):
+            self.parser.parseError("unexpected-end-tag-treated-as",
+                                   {"originalName": "br", "newName": "br element"})
+            self.tree.reconstructActiveFormattingElements()
+            self.tree.insertElement(impliedTagToken("br", "StartTag"))
+            self.tree.openElements.pop()
+
+        def endTagOther(self, token):
+            for node in self.tree.openElements[::-1]:
+                if node.name == token["name"]:
+                    self.tree.generateImpliedEndTags(exclude=token["name"])
+                    if self.tree.openElements[-1].name != token["name"]:
+                        self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+                    while self.tree.openElements.pop() != node:
+                        pass
+                    break
+                else:
+                    if node.nameTuple in specialElements:
+                        self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+                        break
+
+    class TextPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+            self.startTagHandler = utils.MethodDispatcher([])
+            self.startTagHandler.default = self.startTagOther
+            self.endTagHandler = utils.MethodDispatcher([
+                ("script", self.endTagScript)])
+            self.endTagHandler.default = self.endTagOther
+
+        def processCharacters(self, token):
+            self.tree.insertText(token["data"])
+
+        def processEOF(self):
+            self.parser.parseError("expected-named-closing-tag-but-got-eof",
+                                   {"name": self.tree.openElements[-1].name})
+            self.tree.openElements.pop()
+            self.parser.phase = self.parser.originalPhase
+            return True
+
+        def startTagOther(self, token):
+            assert False, "Tried to process start tag %s in RCDATA/RAWTEXT mode" % token['name']
+
+        def endTagScript(self, token):
+            node = self.tree.openElements.pop()
+            assert node.name == "script"
+            self.parser.phase = self.parser.originalPhase
+            # The rest of this method is all stuff that only happens if
+            # document.write works
+
+        def endTagOther(self, token):
+            self.tree.openElements.pop()
+            self.parser.phase = self.parser.originalPhase
+
+    class InTablePhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-table
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("caption", self.startTagCaption),
+                ("colgroup", self.startTagColgroup),
+                ("col", self.startTagCol),
+                (("tbody", "tfoot", "thead"), self.startTagRowGroup),
+                (("td", "th", "tr"), self.startTagImplyTbody),
+                ("table", self.startTagTable),
+                (("style", "script"), self.startTagStyleScript),
+                ("input", self.startTagInput),
+                ("form", self.startTagForm)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("table", self.endTagTable),
+                (("body", "caption", "col", "colgroup", "html", "tbody", "td",
+                  "tfoot", "th", "thead", "tr"), self.endTagIgnore)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        # helper methods
+        def clearStackToTableContext(self):
+            # "clear the stack back to a table context"
+            while self.tree.openElements[-1].name not in ("table", "html"):
+                # self.parser.parseError("unexpected-implied-end-tag-in-table",
+                #  {"name":  self.tree.openElements[-1].name})
+                self.tree.openElements.pop()
+            # When the current node is <html> it's an innerHTML case
+
+        # processing methods
+        def processEOF(self):
+            if self.tree.openElements[-1].name != "html":
+                self.parser.parseError("eof-in-table")
+            else:
+                assert self.parser.innerHTML
+            # Stop parsing
+
+        def processSpaceCharacters(self, token):
+            originalPhase = self.parser.phase
+            self.parser.phase = self.parser.phases["inTableText"]
+            self.parser.phase.originalPhase = originalPhase
+            self.parser.phase.processSpaceCharacters(token)
+
+        def processCharacters(self, token):
+            originalPhase = self.parser.phase
+            self.parser.phase = self.parser.phases["inTableText"]
+            self.parser.phase.originalPhase = originalPhase
+            self.parser.phase.processCharacters(token)
+
+        def insertText(self, token):
+            # If we get here there must be at least one non-whitespace character
+            # Do the table magic!
+            self.tree.insertFromTable = True
+            self.parser.phases["inBody"].processCharacters(token)
+            self.tree.insertFromTable = False
+
+        def startTagCaption(self, token):
+            self.clearStackToTableContext()
+            self.tree.activeFormattingElements.append(Marker)
+            self.tree.insertElement(token)
+            self.parser.phase = self.parser.phases["inCaption"]
+
+        def startTagColgroup(self, token):
+            self.clearStackToTableContext()
+            self.tree.insertElement(token)
+            self.parser.phase = self.parser.phases["inColumnGroup"]
+
+        def startTagCol(self, token):
+            self.startTagColgroup(impliedTagToken("colgroup", "StartTag"))
+            return token
+
+        def startTagRowGroup(self, token):
+            self.clearStackToTableContext()
+            self.tree.insertElement(token)
+            self.parser.phase = self.parser.phases["inTableBody"]
+
+        def startTagImplyTbody(self, token):
+            self.startTagRowGroup(impliedTagToken("tbody", "StartTag"))
+            return token
+
+        def startTagTable(self, token):
+            self.parser.parseError("unexpected-start-tag-implies-end-tag",
+                                   {"startName": "table", "endName": "table"})
+            self.parser.phase.processEndTag(impliedTagToken("table"))
+            if not self.parser.innerHTML:
+                return token
+
+        def startTagStyleScript(self, token):
+            return self.parser.phases["inHead"].processStartTag(token)
+
+        def startTagInput(self, token):
+            if ("type" in token["data"] and
+                    token["data"]["type"].translate(asciiUpper2Lower) == "hidden"):
+                self.parser.parseError("unexpected-hidden-input-in-table")
+                self.tree.insertElement(token)
+                # XXX associate with form
+                self.tree.openElements.pop()
+            else:
+                self.startTagOther(token)
+
+        def startTagForm(self, token):
+            self.parser.parseError("unexpected-form-in-table")
+            if self.tree.formPointer is None:
+                self.tree.insertElement(token)
+                self.tree.formPointer = self.tree.openElements[-1]
+                self.tree.openElements.pop()
+
+        def startTagOther(self, token):
+            self.parser.parseError("unexpected-start-tag-implies-table-voodoo", {"name": token["name"]})
+            # Do the table magic!
+            self.tree.insertFromTable = True
+            self.parser.phases["inBody"].processStartTag(token)
+            self.tree.insertFromTable = False
+
+        def endTagTable(self, token):
+            if self.tree.elementInScope("table", variant="table"):
+                self.tree.generateImpliedEndTags()
+                if self.tree.openElements[-1].name != "table":
+                    self.parser.parseError("end-tag-too-early-named",
+                                           {"gotName": "table",
+                                            "expectedName": self.tree.openElements[-1].name})
+                while self.tree.openElements[-1].name != "table":
+                    self.tree.openElements.pop()
+                self.tree.openElements.pop()
+                self.parser.resetInsertionMode()
+            else:
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+
+        def endTagIgnore(self, token):
+            self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+
+        def endTagOther(self, token):
+            self.parser.parseError("unexpected-end-tag-implies-table-voodoo", {"name": token["name"]})
+            # Do the table magic!
+            self.tree.insertFromTable = True
+            self.parser.phases["inBody"].processEndTag(token)
+            self.tree.insertFromTable = False
+
+    class InTableTextPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+            self.originalPhase = None
+            self.characterTokens = []
+
+        def flushCharacters(self):
+            data = "".join([item["data"] for item in self.characterTokens])
+            if any([item not in spaceCharacters for item in data]):
+                token = {"type": tokenTypes["Characters"], "data": data}
+                self.parser.phases["inTable"].insertText(token)
+            elif data:
+                self.tree.insertText(data)
+            self.characterTokens = []
+
+        def processComment(self, token):
+            self.flushCharacters()
+            self.parser.phase = self.originalPhase
+            return token
+
+        def processEOF(self):
+            self.flushCharacters()
+            self.parser.phase = self.originalPhase
+            return True
+
+        def processCharacters(self, token):
+            if token["data"] == "\u0000":
+                return
+            self.characterTokens.append(token)
+
+        def processSpaceCharacters(self, token):
+            # pretty sure we should never reach here
+            self.characterTokens.append(token)
+    #        assert False
+
+        def processStartTag(self, token):
+            self.flushCharacters()
+            self.parser.phase = self.originalPhase
+            return token
+
+        def processEndTag(self, token):
+            self.flushCharacters()
+            self.parser.phase = self.originalPhase
+            return token
+
+    class InCaptionPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-caption
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                (("caption", "col", "colgroup", "tbody", "td", "tfoot", "th",
+                  "thead", "tr"), self.startTagTableElement)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("caption", self.endTagCaption),
+                ("table", self.endTagTable),
+                (("body", "col", "colgroup", "html", "tbody", "td", "tfoot", "th",
+                  "thead", "tr"), self.endTagIgnore)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        def ignoreEndTagCaption(self):
+            return not self.tree.elementInScope("caption", variant="table")
+
+        def processEOF(self):
+            self.parser.phases["inBody"].processEOF()
+
+        def processCharacters(self, token):
+            return self.parser.phases["inBody"].processCharacters(token)
+
+        def startTagTableElement(self, token):
+            self.parser.parseError()
+            # XXX Have to duplicate logic here to find out if the tag is ignored
+            ignoreEndTag = self.ignoreEndTagCaption()
+            self.parser.phase.processEndTag(impliedTagToken("caption"))
+            if not ignoreEndTag:
+                return token
+
+        def startTagOther(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def endTagCaption(self, token):
+            if not self.ignoreEndTagCaption():
+                # AT this code is quite similar to endTagTable in "InTable"
+                self.tree.generateImpliedEndTags()
+                if self.tree.openElements[-1].name != "caption":
+                    self.parser.parseError("expected-one-end-tag-but-got-another",
+                                           {"gotName": "caption",
+                                            "expectedName": self.tree.openElements[-1].name})
+                while self.tree.openElements[-1].name != "caption":
+                    self.tree.openElements.pop()
+                self.tree.openElements.pop()
+                self.tree.clearActiveFormattingElements()
+                self.parser.phase = self.parser.phases["inTable"]
+            else:
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+
+        def endTagTable(self, token):
+            self.parser.parseError()
+            ignoreEndTag = self.ignoreEndTagCaption()
+            self.parser.phase.processEndTag(impliedTagToken("caption"))
+            if not ignoreEndTag:
+                return token
+
+        def endTagIgnore(self, token):
+            self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+
+        def endTagOther(self, token):
+            return self.parser.phases["inBody"].processEndTag(token)
+
+    class InColumnGroupPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-column
+
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("col", self.startTagCol)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("colgroup", self.endTagColgroup),
+                ("col", self.endTagCol)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        def ignoreEndTagColgroup(self):
+            return self.tree.openElements[-1].name == "html"
+
+        def processEOF(self):
+            if self.tree.openElements[-1].name == "html":
+                assert self.parser.innerHTML
+                return
+            else:
+                ignoreEndTag = self.ignoreEndTagColgroup()
+                self.endTagColgroup(impliedTagToken("colgroup"))
+                if not ignoreEndTag:
+                    return True
+
+        def processCharacters(self, token):
+            ignoreEndTag = self.ignoreEndTagColgroup()
+            self.endTagColgroup(impliedTagToken("colgroup"))
+            if not ignoreEndTag:
+                return token
+
+        def startTagCol(self, token):
+            self.tree.insertElement(token)
+            self.tree.openElements.pop()
+
+        def startTagOther(self, token):
+            ignoreEndTag = self.ignoreEndTagColgroup()
+            self.endTagColgroup(impliedTagToken("colgroup"))
+            if not ignoreEndTag:
+                return token
+
+        def endTagColgroup(self, token):
+            if self.ignoreEndTagColgroup():
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+            else:
+                self.tree.openElements.pop()
+                self.parser.phase = self.parser.phases["inTable"]
+
+        def endTagCol(self, token):
+            self.parser.parseError("no-end-tag", {"name": "col"})
+
+        def endTagOther(self, token):
+            ignoreEndTag = self.ignoreEndTagColgroup()
+            self.endTagColgroup(impliedTagToken("colgroup"))
+            if not ignoreEndTag:
+                return token
+
+    class InTableBodyPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-table0
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("tr", self.startTagTr),
+                (("td", "th"), self.startTagTableCell),
+                (("caption", "col", "colgroup", "tbody", "tfoot", "thead"),
+                 self.startTagTableOther)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                (("tbody", "tfoot", "thead"), self.endTagTableRowGroup),
+                ("table", self.endTagTable),
+                (("body", "caption", "col", "colgroup", "html", "td", "th",
+                  "tr"), self.endTagIgnore)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        # helper methods
+        def clearStackToTableBodyContext(self):
+            while self.tree.openElements[-1].name not in ("tbody", "tfoot",
+                                                          "thead", "html"):
+                # self.parser.parseError("unexpected-implied-end-tag-in-table",
+                #  {"name": self.tree.openElements[-1].name})
+                self.tree.openElements.pop()
+            if self.tree.openElements[-1].name == "html":
+                assert self.parser.innerHTML
+
+        # the rest
+        def processEOF(self):
+            self.parser.phases["inTable"].processEOF()
+
+        def processSpaceCharacters(self, token):
+            return self.parser.phases["inTable"].processSpaceCharacters(token)
+
+        def processCharacters(self, token):
+            return self.parser.phases["inTable"].processCharacters(token)
+
+        def startTagTr(self, token):
+            self.clearStackToTableBodyContext()
+            self.tree.insertElement(token)
+            self.parser.phase = self.parser.phases["inRow"]
+
+        def startTagTableCell(self, token):
+            self.parser.parseError("unexpected-cell-in-table-body",
+                                   {"name": token["name"]})
+            self.startTagTr(impliedTagToken("tr", "StartTag"))
+            return token
+
+        def startTagTableOther(self, token):
+            # XXX AT Any ideas on how to share this with endTagTable?
+            if (self.tree.elementInScope("tbody", variant="table") or
+                self.tree.elementInScope("thead", variant="table") or
+                    self.tree.elementInScope("tfoot", variant="table")):
+                self.clearStackToTableBodyContext()
+                self.endTagTableRowGroup(
+                    impliedTagToken(self.tree.openElements[-1].name))
+                return token
+            else:
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+
+        def startTagOther(self, token):
+            return self.parser.phases["inTable"].processStartTag(token)
+
+        def endTagTableRowGroup(self, token):
+            if self.tree.elementInScope(token["name"], variant="table"):
+                self.clearStackToTableBodyContext()
+                self.tree.openElements.pop()
+                self.parser.phase = self.parser.phases["inTable"]
+            else:
+                self.parser.parseError("unexpected-end-tag-in-table-body",
+                                       {"name": token["name"]})
+
+        def endTagTable(self, token):
+            if (self.tree.elementInScope("tbody", variant="table") or
+                self.tree.elementInScope("thead", variant="table") or
+                    self.tree.elementInScope("tfoot", variant="table")):
+                self.clearStackToTableBodyContext()
+                self.endTagTableRowGroup(
+                    impliedTagToken(self.tree.openElements[-1].name))
+                return token
+            else:
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+
+        def endTagIgnore(self, token):
+            self.parser.parseError("unexpected-end-tag-in-table-body",
+                                   {"name": token["name"]})
+
+        def endTagOther(self, token):
+            return self.parser.phases["inTable"].processEndTag(token)
+
+    class InRowPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-row
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                (("td", "th"), self.startTagTableCell),
+                (("caption", "col", "colgroup", "tbody", "tfoot", "thead",
+                  "tr"), self.startTagTableOther)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("tr", self.endTagTr),
+                ("table", self.endTagTable),
+                (("tbody", "tfoot", "thead"), self.endTagTableRowGroup),
+                (("body", "caption", "col", "colgroup", "html", "td", "th"),
+                 self.endTagIgnore)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        # helper methods (XXX unify this with other table helper methods)
+        def clearStackToTableRowContext(self):
+            while self.tree.openElements[-1].name not in ("tr", "html"):
+                self.parser.parseError("unexpected-implied-end-tag-in-table-row",
+                                       {"name": self.tree.openElements[-1].name})
+                self.tree.openElements.pop()
+
+        def ignoreEndTagTr(self):
+            return not self.tree.elementInScope("tr", variant="table")
+
+        # the rest
+        def processEOF(self):
+            self.parser.phases["inTable"].processEOF()
+
+        def processSpaceCharacters(self, token):
+            return self.parser.phases["inTable"].processSpaceCharacters(token)
+
+        def processCharacters(self, token):
+            return self.parser.phases["inTable"].processCharacters(token)
+
+        def startTagTableCell(self, token):
+            self.clearStackToTableRowContext()
+            self.tree.insertElement(token)
+            self.parser.phase = self.parser.phases["inCell"]
+            self.tree.activeFormattingElements.append(Marker)
+
+        def startTagTableOther(self, token):
+            ignoreEndTag = self.ignoreEndTagTr()
+            self.endTagTr(impliedTagToken("tr"))
+            # XXX how are we sure it's always ignored in the innerHTML case?
+            if not ignoreEndTag:
+                return token
+
+        def startTagOther(self, token):
+            return self.parser.phases["inTable"].processStartTag(token)
+
+        def endTagTr(self, token):
+            if not self.ignoreEndTagTr():
+                self.clearStackToTableRowContext()
+                self.tree.openElements.pop()
+                self.parser.phase = self.parser.phases["inTableBody"]
+            else:
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+
+        def endTagTable(self, token):
+            ignoreEndTag = self.ignoreEndTagTr()
+            self.endTagTr(impliedTagToken("tr"))
+            # Reprocess the current tag if the tr end tag was not ignored
+            # XXX how are we sure it's always ignored in the innerHTML case?
+            if not ignoreEndTag:
+                return token
+
+        def endTagTableRowGroup(self, token):
+            if self.tree.elementInScope(token["name"], variant="table"):
+                self.endTagTr(impliedTagToken("tr"))
+                return token
+            else:
+                self.parser.parseError()
+
+        def endTagIgnore(self, token):
+            self.parser.parseError("unexpected-end-tag-in-table-row",
+                                   {"name": token["name"]})
+
+        def endTagOther(self, token):
+            return self.parser.phases["inTable"].processEndTag(token)
+
+    class InCellPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-cell
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                (("caption", "col", "colgroup", "tbody", "td", "tfoot", "th",
+                  "thead", "tr"), self.startTagTableOther)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                (("td", "th"), self.endTagTableCell),
+                (("body", "caption", "col", "colgroup", "html"), self.endTagIgnore),
+                (("table", "tbody", "tfoot", "thead", "tr"), self.endTagImply)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        # helper
+        def closeCell(self):
+            if self.tree.elementInScope("td", variant="table"):
+                self.endTagTableCell(impliedTagToken("td"))
+            elif self.tree.elementInScope("th", variant="table"):
+                self.endTagTableCell(impliedTagToken("th"))
+
+        # the rest
+        def processEOF(self):
+            self.parser.phases["inBody"].processEOF()
+
+        def processCharacters(self, token):
+            return self.parser.phases["inBody"].processCharacters(token)
+
+        def startTagTableOther(self, token):
+            if (self.tree.elementInScope("td", variant="table") or
+                    self.tree.elementInScope("th", variant="table")):
+                self.closeCell()
+                return token
+            else:
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+
+        def startTagOther(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def endTagTableCell(self, token):
+            if self.tree.elementInScope(token["name"], variant="table"):
+                self.tree.generateImpliedEndTags(token["name"])
+                if self.tree.openElements[-1].name != token["name"]:
+                    self.parser.parseError("unexpected-cell-end-tag",
+                                           {"name": token["name"]})
+                    while True:
+                        node = self.tree.openElements.pop()
+                        if node.name == token["name"]:
+                            break
+                else:
+                    self.tree.openElements.pop()
+                self.tree.clearActiveFormattingElements()
+                self.parser.phase = self.parser.phases["inRow"]
+            else:
+                self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+
+        def endTagIgnore(self, token):
+            self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+
+        def endTagImply(self, token):
+            if self.tree.elementInScope(token["name"], variant="table"):
+                self.closeCell()
+                return token
+            else:
+                # sometimes innerHTML case
+                self.parser.parseError()
+
+        def endTagOther(self, token):
+            return self.parser.phases["inBody"].processEndTag(token)
+
+    class InSelectPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("option", self.startTagOption),
+                ("optgroup", self.startTagOptgroup),
+                ("select", self.startTagSelect),
+                (("input", "keygen", "textarea"), self.startTagInput),
+                ("script", self.startTagScript)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("option", self.endTagOption),
+                ("optgroup", self.endTagOptgroup),
+                ("select", self.endTagSelect)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-select
+        def processEOF(self):
+            if self.tree.openElements[-1].name != "html":
+                self.parser.parseError("eof-in-select")
+            else:
+                assert self.parser.innerHTML
+
+        def processCharacters(self, token):
+            if token["data"] == "\u0000":
+                return
+            self.tree.insertText(token["data"])
+
+        def startTagOption(self, token):
+            # We need to imply </option> if <option> is the current node.
+            if self.tree.openElements[-1].name == "option":
+                self.tree.openElements.pop()
+            self.tree.insertElement(token)
+
+        def startTagOptgroup(self, token):
+            if self.tree.openElements[-1].name == "option":
+                self.tree.openElements.pop()
+            if self.tree.openElements[-1].name == "optgroup":
+                self.tree.openElements.pop()
+            self.tree.insertElement(token)
+
+        def startTagSelect(self, token):
+            self.parser.parseError("unexpected-select-in-select")
+            self.endTagSelect(impliedTagToken("select"))
+
+        def startTagInput(self, token):
+            self.parser.parseError("unexpected-input-in-select")
+            if self.tree.elementInScope("select", variant="select"):
+                self.endTagSelect(impliedTagToken("select"))
+                return token
+            else:
+                assert self.parser.innerHTML
+
+        def startTagScript(self, token):
+            return self.parser.phases["inHead"].processStartTag(token)
+
+        def startTagOther(self, token):
+            self.parser.parseError("unexpected-start-tag-in-select",
+                                   {"name": token["name"]})
+
+        def endTagOption(self, token):
+            if self.tree.openElements[-1].name == "option":
+                self.tree.openElements.pop()
+            else:
+                self.parser.parseError("unexpected-end-tag-in-select",
+                                       {"name": "option"})
+
+        def endTagOptgroup(self, token):
+            # </optgroup> implicitly closes <option>
+            if (self.tree.openElements[-1].name == "option" and
+                    self.tree.openElements[-2].name == "optgroup"):
+                self.tree.openElements.pop()
+            # It also closes </optgroup>
+            if self.tree.openElements[-1].name == "optgroup":
+                self.tree.openElements.pop()
+            # But nothing else
+            else:
+                self.parser.parseError("unexpected-end-tag-in-select",
+                                       {"name": "optgroup"})
+
+        def endTagSelect(self, token):
+            if self.tree.elementInScope("select", variant="select"):
+                node = self.tree.openElements.pop()
+                while node.name != "select":
+                    node = self.tree.openElements.pop()
+                self.parser.resetInsertionMode()
+            else:
+                # innerHTML case
+                assert self.parser.innerHTML
+                self.parser.parseError()
+
+        def endTagOther(self, token):
+            self.parser.parseError("unexpected-end-tag-in-select",
+                                   {"name": token["name"]})
+
+    class InSelectInTablePhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                (("caption", "table", "tbody", "tfoot", "thead", "tr", "td", "th"),
+                 self.startTagTable)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                (("caption", "table", "tbody", "tfoot", "thead", "tr", "td", "th"),
+                 self.endTagTable)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        def processEOF(self):
+            self.parser.phases["inSelect"].processEOF()
+
+        def processCharacters(self, token):
+            return self.parser.phases["inSelect"].processCharacters(token)
+
+        def startTagTable(self, token):
+            self.parser.parseError("unexpected-table-element-start-tag-in-select-in-table", {"name": token["name"]})
+            self.endTagOther(impliedTagToken("select"))
+            return token
+
+        def startTagOther(self, token):
+            return self.parser.phases["inSelect"].processStartTag(token)
+
+        def endTagTable(self, token):
+            self.parser.parseError("unexpected-table-element-end-tag-in-select-in-table", {"name": token["name"]})
+            if self.tree.elementInScope(token["name"], variant="table"):
+                self.endTagOther(impliedTagToken("select"))
+                return token
+
+        def endTagOther(self, token):
+            return self.parser.phases["inSelect"].processEndTag(token)
+
+    class InForeignContentPhase(Phase):
+        breakoutElements = frozenset(["b", "big", "blockquote", "body", "br",
+                                      "center", "code", "dd", "div", "dl", "dt",
+                                      "em", "embed", "h1", "h2", "h3",
+                                      "h4", "h5", "h6", "head", "hr", "i", "img",
+                                      "li", "listing", "menu", "meta", "nobr",
+                                      "ol", "p", "pre", "ruby", "s", "small",
+                                      "span", "strong", "strike", "sub", "sup",
+                                      "table", "tt", "u", "ul", "var"])
+
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+        def adjustSVGTagNames(self, token):
+            replacements = {"altglyph": "altGlyph",
+                            "altglyphdef": "altGlyphDef",
+                            "altglyphitem": "altGlyphItem",
+                            "animatecolor": "animateColor",
+                            "animatemotion": "animateMotion",
+                            "animatetransform": "animateTransform",
+                            "clippath": "clipPath",
+                            "feblend": "feBlend",
+                            "fecolormatrix": "feColorMatrix",
+                            "fecomponenttransfer": "feComponentTransfer",
+                            "fecomposite": "feComposite",
+                            "feconvolvematrix": "feConvolveMatrix",
+                            "fediffuselighting": "feDiffuseLighting",
+                            "fedisplacementmap": "feDisplacementMap",
+                            "fedistantlight": "feDistantLight",
+                            "feflood": "feFlood",
+                            "fefunca": "feFuncA",
+                            "fefuncb": "feFuncB",
+                            "fefuncg": "feFuncG",
+                            "fefuncr": "feFuncR",
+                            "fegaussianblur": "feGaussianBlur",
+                            "feimage": "feImage",
+                            "femerge": "feMerge",
+                            "femergenode": "feMergeNode",
+                            "femorphology": "feMorphology",
+                            "feoffset": "feOffset",
+                            "fepointlight": "fePointLight",
+                            "fespecularlighting": "feSpecularLighting",
+                            "fespotlight": "feSpotLight",
+                            "fetile": "feTile",
+                            "feturbulence": "feTurbulence",
+                            "foreignobject": "foreignObject",
+                            "glyphref": "glyphRef",
+                            "lineargradient": "linearGradient",
+                            "radialgradient": "radialGradient",
+                            "textpath": "textPath"}
+
+            if token["name"] in replacements:
+                token["name"] = replacements[token["name"]]
+
+        def processCharacters(self, token):
+            if token["data"] == "\u0000":
+                token["data"] = "\uFFFD"
+            elif (self.parser.framesetOK and
+                  any(char not in spaceCharacters for char in token["data"])):
+                self.parser.framesetOK = False
+            Phase.processCharacters(self, token)
+
+        def processStartTag(self, token):
+            currentNode = self.tree.openElements[-1]
+            if (token["name"] in self.breakoutElements or
+                (token["name"] == "font" and
+                 set(token["data"].keys()) & set(["color", "face", "size"]))):
+                self.parser.parseError("unexpected-html-element-in-foreign-content",
+                                       {"name": token["name"]})
+                while (self.tree.openElements[-1].namespace !=
+                       self.tree.defaultNamespace and
+                       not self.parser.isHTMLIntegrationPoint(self.tree.openElements[-1]) and
+                       not self.parser.isMathMLTextIntegrationPoint(self.tree.openElements[-1])):
+                    self.tree.openElements.pop()
+                return token
+
+            else:
+                if currentNode.namespace == namespaces["mathml"]:
+                    self.parser.adjustMathMLAttributes(token)
+                elif currentNode.namespace == namespaces["svg"]:
+                    self.adjustSVGTagNames(token)
+                    self.parser.adjustSVGAttributes(token)
+                self.parser.adjustForeignAttributes(token)
+                token["namespace"] = currentNode.namespace
+                self.tree.insertElement(token)
+                if token["selfClosing"]:
+                    self.tree.openElements.pop()
+                    token["selfClosingAcknowledged"] = True
+
+        def processEndTag(self, token):
+            nodeIndex = len(self.tree.openElements) - 1
+            node = self.tree.openElements[-1]
+            if node.name != token["name"]:
+                self.parser.parseError("unexpected-end-tag", {"name": token["name"]})
+
+            while True:
+                if node.name.translate(asciiUpper2Lower) == token["name"]:
+                    # XXX this isn't in the spec but it seems necessary
+                    if self.parser.phase == self.parser.phases["inTableText"]:
+                        self.parser.phase.flushCharacters()
+                        self.parser.phase = self.parser.phase.originalPhase
+                    while self.tree.openElements.pop() != node:
+                        assert self.tree.openElements
+                    new_token = None
+                    break
+                nodeIndex -= 1
+
+                node = self.tree.openElements[nodeIndex]
+                if node.namespace != self.tree.defaultNamespace:
+                    continue
+                else:
+                    new_token = self.parser.phase.processEndTag(token)
+                    break
+            return new_token
+
+    class AfterBodyPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([("html", self.endTagHtml)])
+            self.endTagHandler.default = self.endTagOther
+
+        def processEOF(self):
+            # Stop parsing
+            pass
+
+        def processComment(self, token):
+            # This is needed because data is to be appended to the <html> element
+            # here and not to whatever is currently open.
+            self.tree.insertComment(token, self.tree.openElements[0])
+
+        def processCharacters(self, token):
+            self.parser.parseError("unexpected-char-after-body")
+            self.parser.phase = self.parser.phases["inBody"]
+            return token
+
+        def startTagHtml(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def startTagOther(self, token):
+            self.parser.parseError("unexpected-start-tag-after-body",
+                                   {"name": token["name"]})
+            self.parser.phase = self.parser.phases["inBody"]
+            return token
+
+        def endTagHtml(self, name):
+            if self.parser.innerHTML:
+                self.parser.parseError("unexpected-end-tag-after-body-innerhtml")
+            else:
+                self.parser.phase = self.parser.phases["afterAfterBody"]
+
+        def endTagOther(self, token):
+            self.parser.parseError("unexpected-end-tag-after-body",
+                                   {"name": token["name"]})
+            self.parser.phase = self.parser.phases["inBody"]
+            return token
+
+    class InFramesetPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#in-frameset
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("frameset", self.startTagFrameset),
+                ("frame", self.startTagFrame),
+                ("noframes", self.startTagNoframes)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("frameset", self.endTagFrameset)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        def processEOF(self):
+            if self.tree.openElements[-1].name != "html":
+                self.parser.parseError("eof-in-frameset")
+            else:
+                assert self.parser.innerHTML
+
+        def processCharacters(self, token):
+            self.parser.parseError("unexpected-char-in-frameset")
+
+        def startTagFrameset(self, token):
+            self.tree.insertElement(token)
+
+        def startTagFrame(self, token):
+            self.tree.insertElement(token)
+            self.tree.openElements.pop()
+
+        def startTagNoframes(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def startTagOther(self, token):
+            self.parser.parseError("unexpected-start-tag-in-frameset",
+                                   {"name": token["name"]})
+
+        def endTagFrameset(self, token):
+            if self.tree.openElements[-1].name == "html":
+                # innerHTML case
+                self.parser.parseError("unexpected-frameset-in-frameset-innerhtml")
+            else:
+                self.tree.openElements.pop()
+            if (not self.parser.innerHTML and
+                    self.tree.openElements[-1].name != "frameset"):
+                # If we're not in innerHTML mode and the the current node is not a
+                # "frameset" element (anymore) then switch.
+                self.parser.phase = self.parser.phases["afterFrameset"]
+
+        def endTagOther(self, token):
+            self.parser.parseError("unexpected-end-tag-in-frameset",
+                                   {"name": token["name"]})
+
+    class AfterFramesetPhase(Phase):
+        # http://www.whatwg.org/specs/web-apps/current-work/#after3
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("noframes", self.startTagNoframes)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+            self.endTagHandler = utils.MethodDispatcher([
+                ("html", self.endTagHtml)
+            ])
+            self.endTagHandler.default = self.endTagOther
+
+        def processEOF(self):
+            # Stop parsing
+            pass
+
+        def processCharacters(self, token):
+            self.parser.parseError("unexpected-char-after-frameset")
+
+        def startTagNoframes(self, token):
+            return self.parser.phases["inHead"].processStartTag(token)
+
+        def startTagOther(self, token):
+            self.parser.parseError("unexpected-start-tag-after-frameset",
+                                   {"name": token["name"]})
+
+        def endTagHtml(self, token):
+            self.parser.phase = self.parser.phases["afterAfterFrameset"]
+
+        def endTagOther(self, token):
+            self.parser.parseError("unexpected-end-tag-after-frameset",
+                                   {"name": token["name"]})
+
+    class AfterAfterBodyPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+        def processEOF(self):
+            pass
+
+        def processComment(self, token):
+            self.tree.insertComment(token, self.tree.document)
+
+        def processSpaceCharacters(self, token):
+            return self.parser.phases["inBody"].processSpaceCharacters(token)
+
+        def processCharacters(self, token):
+            self.parser.parseError("expected-eof-but-got-char")
+            self.parser.phase = self.parser.phases["inBody"]
+            return token
+
+        def startTagHtml(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def startTagOther(self, token):
+            self.parser.parseError("expected-eof-but-got-start-tag",
+                                   {"name": token["name"]})
+            self.parser.phase = self.parser.phases["inBody"]
+            return token
+
+        def processEndTag(self, token):
+            self.parser.parseError("expected-eof-but-got-end-tag",
+                                   {"name": token["name"]})
+            self.parser.phase = self.parser.phases["inBody"]
+            return token
+
+    class AfterAfterFramesetPhase(Phase):
+        def __init__(self, parser, tree):
+            Phase.__init__(self, parser, tree)
+
+            self.startTagHandler = utils.MethodDispatcher([
+                ("html", self.startTagHtml),
+                ("noframes", self.startTagNoFrames)
+            ])
+            self.startTagHandler.default = self.startTagOther
+
+        def processEOF(self):
+            pass
+
+        def processComment(self, token):
+            self.tree.insertComment(token, self.tree.document)
+
+        def processSpaceCharacters(self, token):
+            return self.parser.phases["inBody"].processSpaceCharacters(token)
+
+        def processCharacters(self, token):
+            self.parser.parseError("expected-eof-but-got-char")
+
+        def startTagHtml(self, token):
+            return self.parser.phases["inBody"].processStartTag(token)
+
+        def startTagNoFrames(self, token):
+            return self.parser.phases["inHead"].processStartTag(token)
+
+        def startTagOther(self, token):
+            self.parser.parseError("expected-eof-but-got-start-tag",
+                                   {"name": token["name"]})
+
+        def processEndTag(self, token):
+            self.parser.parseError("expected-eof-but-got-end-tag",
+                                   {"name": token["name"]})
+
+    return {
+        "initial": InitialPhase,
+        "beforeHtml": BeforeHtmlPhase,
+        "beforeHead": BeforeHeadPhase,
+        "inHead": InHeadPhase,
+        # XXX "inHeadNoscript": InHeadNoScriptPhase,
+        "afterHead": AfterHeadPhase,
+        "inBody": InBodyPhase,
+        "text": TextPhase,
+        "inTable": InTablePhase,
+        "inTableText": InTableTextPhase,
+        "inCaption": InCaptionPhase,
+        "inColumnGroup": InColumnGroupPhase,
+        "inTableBody": InTableBodyPhase,
+        "inRow": InRowPhase,
+        "inCell": InCellPhase,
+        "inSelect": InSelectPhase,
+        "inSelectInTable": InSelectInTablePhase,
+        "inForeignContent": InForeignContentPhase,
+        "afterBody": AfterBodyPhase,
+        "inFrameset": InFramesetPhase,
+        "afterFrameset": AfterFramesetPhase,
+        "afterAfterBody": AfterAfterBodyPhase,
+        "afterAfterFrameset": AfterAfterFramesetPhase,
+        # XXX after after frameset
+    }
+
+
+def impliedTagToken(name, type="EndTag", attributes=None,
+                    selfClosing=False):
+    if attributes is None:
+        attributes = {}
+    return {"type": tokenTypes[type], "name": name, "data": attributes,
+            "selfClosing": selfClosing}
+
+
+class ParseError(Exception):
+    """Error in parsed document"""
+    pass
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/ihatexml.py b/testing/web-platform/tests/tools/html5lib/html5lib/ihatexml.py
new file mode 100644
index 000000000..0fc79308e
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/ihatexml.py
@@ -0,0 +1,285 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import re
+import warnings
+
+from .constants import DataLossWarning
+
+baseChar = """
+[#x0041-#x005A] | [#x0061-#x007A] | [#x00C0-#x00D6] | [#x00D8-#x00F6] |
+[#x00F8-#x00FF] | [#x0100-#x0131] | [#x0134-#x013E] | [#x0141-#x0148] |
+[#x014A-#x017E] | [#x0180-#x01C3] | [#x01CD-#x01F0] | [#x01F4-#x01F5] |
+[#x01FA-#x0217] | [#x0250-#x02A8] | [#x02BB-#x02C1] | #x0386 |
+[#x0388-#x038A] | #x038C | [#x038E-#x03A1] | [#x03A3-#x03CE] |
+[#x03D0-#x03D6] | #x03DA | #x03DC | #x03DE | #x03E0 | [#x03E2-#x03F3] |
+[#x0401-#x040C] | [#x040E-#x044F] | [#x0451-#x045C] | [#x045E-#x0481] |
+[#x0490-#x04C4] | [#x04C7-#x04C8] | [#x04CB-#x04CC] | [#x04D0-#x04EB] |
+[#x04EE-#x04F5] | [#x04F8-#x04F9] | [#x0531-#x0556] | #x0559 |
+[#x0561-#x0586] | [#x05D0-#x05EA] | [#x05F0-#x05F2] | [#x0621-#x063A] |
+[#x0641-#x064A] | [#x0671-#x06B7] | [#x06BA-#x06BE] | [#x06C0-#x06CE] |
+[#x06D0-#x06D3] | #x06D5 | [#x06E5-#x06E6] | [#x0905-#x0939] | #x093D |
+[#x0958-#x0961] | [#x0985-#x098C] | [#x098F-#x0990] | [#x0993-#x09A8] |
+[#x09AA-#x09B0] | #x09B2 | [#x09B6-#x09B9] | [#x09DC-#x09DD] |
+[#x09DF-#x09E1] | [#x09F0-#x09F1] | [#x0A05-#x0A0A] | [#x0A0F-#x0A10] |
+[#x0A13-#x0A28] | [#x0A2A-#x0A30] | [#x0A32-#x0A33] | [#x0A35-#x0A36] |
+[#x0A38-#x0A39] | [#x0A59-#x0A5C] | #x0A5E | [#x0A72-#x0A74] |
+[#x0A85-#x0A8B] | #x0A8D | [#x0A8F-#x0A91] | [#x0A93-#x0AA8] |
+[#x0AAA-#x0AB0] | [#x0AB2-#x0AB3] | [#x0AB5-#x0AB9] | #x0ABD | #x0AE0 |
+[#x0B05-#x0B0C] | [#x0B0F-#x0B10] | [#x0B13-#x0B28] | [#x0B2A-#x0B30] |
+[#x0B32-#x0B33] | [#x0B36-#x0B39] | #x0B3D | [#x0B5C-#x0B5D] |
+[#x0B5F-#x0B61] | [#x0B85-#x0B8A] | [#x0B8E-#x0B90] | [#x0B92-#x0B95] |
+[#x0B99-#x0B9A] | #x0B9C | [#x0B9E-#x0B9F] | [#x0BA3-#x0BA4] |
+[#x0BA8-#x0BAA] | [#x0BAE-#x0BB5] | [#x0BB7-#x0BB9] | [#x0C05-#x0C0C] |
+[#x0C0E-#x0C10] | [#x0C12-#x0C28] | [#x0C2A-#x0C33] | [#x0C35-#x0C39] |
+[#x0C60-#x0C61] | [#x0C85-#x0C8C] | [#x0C8E-#x0C90] | [#x0C92-#x0CA8] |
+[#x0CAA-#x0CB3] | [#x0CB5-#x0CB9] | #x0CDE | [#x0CE0-#x0CE1] |
+[#x0D05-#x0D0C] | [#x0D0E-#x0D10] | [#x0D12-#x0D28] | [#x0D2A-#x0D39] |
+[#x0D60-#x0D61] | [#x0E01-#x0E2E] | #x0E30 | [#x0E32-#x0E33] |
+[#x0E40-#x0E45] | [#x0E81-#x0E82] | #x0E84 | [#x0E87-#x0E88] | #x0E8A |
+#x0E8D | [#x0E94-#x0E97] | [#x0E99-#x0E9F] | [#x0EA1-#x0EA3] | #x0EA5 |
+#x0EA7 | [#x0EAA-#x0EAB] | [#x0EAD-#x0EAE] | #x0EB0 | [#x0EB2-#x0EB3] |
+#x0EBD | [#x0EC0-#x0EC4] | [#x0F40-#x0F47] | [#x0F49-#x0F69] |
+[#x10A0-#x10C5] | [#x10D0-#x10F6] | #x1100 | [#x1102-#x1103] |
+[#x1105-#x1107] | #x1109 | [#x110B-#x110C] | [#x110E-#x1112] | #x113C |
+#x113E | #x1140 | #x114C | #x114E | #x1150 | [#x1154-#x1155] | #x1159 |
+[#x115F-#x1161] | #x1163 | #x1165 | #x1167 | #x1169 | [#x116D-#x116E] |
+[#x1172-#x1173] | #x1175 | #x119E | #x11A8 | #x11AB | [#x11AE-#x11AF] |
+[#x11B7-#x11B8] | #x11BA | [#x11BC-#x11C2] | #x11EB | #x11F0 | #x11F9 |
+[#x1E00-#x1E9B] | [#x1EA0-#x1EF9] | [#x1F00-#x1F15] | [#x1F18-#x1F1D] |
+[#x1F20-#x1F45] | [#x1F48-#x1F4D] | [#x1F50-#x1F57] | #x1F59 | #x1F5B |
+#x1F5D | [#x1F5F-#x1F7D] | [#x1F80-#x1FB4] | [#x1FB6-#x1FBC] | #x1FBE |
+[#x1FC2-#x1FC4] | [#x1FC6-#x1FCC] | [#x1FD0-#x1FD3] | [#x1FD6-#x1FDB] |
+[#x1FE0-#x1FEC] | [#x1FF2-#x1FF4] | [#x1FF6-#x1FFC] | #x2126 |
+[#x212A-#x212B] | #x212E | [#x2180-#x2182] | [#x3041-#x3094] |
+[#x30A1-#x30FA] | [#x3105-#x312C] | [#xAC00-#xD7A3]"""
+
+ideographic = """[#x4E00-#x9FA5] | #x3007 | [#x3021-#x3029]"""
+
+combiningCharacter = """
+[#x0300-#x0345] | [#x0360-#x0361] | [#x0483-#x0486] | [#x0591-#x05A1] |
+[#x05A3-#x05B9] | [#x05BB-#x05BD] | #x05BF | [#x05C1-#x05C2] | #x05C4 |
+[#x064B-#x0652] | #x0670 | [#x06D6-#x06DC] | [#x06DD-#x06DF] |
+[#x06E0-#x06E4] | [#x06E7-#x06E8] | [#x06EA-#x06ED] | [#x0901-#x0903] |
+#x093C | [#x093E-#x094C] | #x094D | [#x0951-#x0954] | [#x0962-#x0963] |
+[#x0981-#x0983] | #x09BC | #x09BE | #x09BF | [#x09C0-#x09C4] |
+[#x09C7-#x09C8] | [#x09CB-#x09CD] | #x09D7 | [#x09E2-#x09E3] | #x0A02 |
+#x0A3C | #x0A3E | #x0A3F | [#x0A40-#x0A42] | [#x0A47-#x0A48] |
+[#x0A4B-#x0A4D] | [#x0A70-#x0A71] | [#x0A81-#x0A83] | #x0ABC |
+[#x0ABE-#x0AC5] | [#x0AC7-#x0AC9] | [#x0ACB-#x0ACD] | [#x0B01-#x0B03] |
+#x0B3C | [#x0B3E-#x0B43] | [#x0B47-#x0B48] | [#x0B4B-#x0B4D] |
+[#x0B56-#x0B57] | [#x0B82-#x0B83] | [#x0BBE-#x0BC2] | [#x0BC6-#x0BC8] |
+[#x0BCA-#x0BCD] | #x0BD7 | [#x0C01-#x0C03] | [#x0C3E-#x0C44] |
+[#x0C46-#x0C48] | [#x0C4A-#x0C4D] | [#x0C55-#x0C56] | [#x0C82-#x0C83] |
+[#x0CBE-#x0CC4] | [#x0CC6-#x0CC8] | [#x0CCA-#x0CCD] | [#x0CD5-#x0CD6] |
+[#x0D02-#x0D03] | [#x0D3E-#x0D43] | [#x0D46-#x0D48] | [#x0D4A-#x0D4D] |
+#x0D57 | #x0E31 | [#x0E34-#x0E3A] | [#x0E47-#x0E4E] | #x0EB1 |
+[#x0EB4-#x0EB9] | [#x0EBB-#x0EBC] | [#x0EC8-#x0ECD] | [#x0F18-#x0F19] |
+#x0F35 | #x0F37 | #x0F39 | #x0F3E | #x0F3F | [#x0F71-#x0F84] |
+[#x0F86-#x0F8B] | [#x0F90-#x0F95] | #x0F97 | [#x0F99-#x0FAD] |
+[#x0FB1-#x0FB7] | #x0FB9 | [#x20D0-#x20DC] | #x20E1 | [#x302A-#x302F] |
+#x3099 | #x309A"""
+
+digit = """
+[#x0030-#x0039] | [#x0660-#x0669] | [#x06F0-#x06F9] | [#x0966-#x096F] |
+[#x09E6-#x09EF] | [#x0A66-#x0A6F] | [#x0AE6-#x0AEF] | [#x0B66-#x0B6F] |
+[#x0BE7-#x0BEF] | [#x0C66-#x0C6F] | [#x0CE6-#x0CEF] | [#x0D66-#x0D6F] |
+[#x0E50-#x0E59] | [#x0ED0-#x0ED9] | [#x0F20-#x0F29]"""
+
+extender = """
+#x00B7 | #x02D0 | #x02D1 | #x0387 | #x0640 | #x0E46 | #x0EC6 | #x3005 |
+#[#x3031-#x3035] | [#x309D-#x309E] | [#x30FC-#x30FE]"""
+
+letter = " | ".join([baseChar, ideographic])
+
+# Without the
+name = " | ".join([letter, digit, ".", "-", "_", combiningCharacter,
+                   extender])
+nameFirst = " | ".join([letter, "_"])
+
+reChar = re.compile(r"#x([\d|A-F]{4,4})")
+reCharRange = re.compile(r"\[#x([\d|A-F]{4,4})-#x([\d|A-F]{4,4})\]")
+
+
+def charStringToList(chars):
+    charRanges = [item.strip() for item in chars.split(" | ")]
+    rv = []
+    for item in charRanges:
+        foundMatch = False
+        for regexp in (reChar, reCharRange):
+            match = regexp.match(item)
+            if match is not None:
+                rv.append([hexToInt(item) for item in match.groups()])
+                if len(rv[-1]) == 1:
+                    rv[-1] = rv[-1] * 2
+                foundMatch = True
+                break
+        if not foundMatch:
+            assert len(item) == 1
+
+            rv.append([ord(item)] * 2)
+    rv = normaliseCharList(rv)
+    return rv
+
+
+def normaliseCharList(charList):
+    charList = sorted(charList)
+    for item in charList:
+        assert item[1] >= item[0]
+    rv = []
+    i = 0
+    while i < len(charList):
+        j = 1
+        rv.append(charList[i])
+        while i + j < len(charList) and charList[i + j][0] <= rv[-1][1] + 1:
+            rv[-1][1] = charList[i + j][1]
+            j += 1
+        i += j
+    return rv
+
+# We don't really support characters above the BMP :(
+max_unicode = int("FFFF", 16)
+
+
+def missingRanges(charList):
+    rv = []
+    if charList[0] != 0:
+        rv.append([0, charList[0][0] - 1])
+    for i, item in enumerate(charList[:-1]):
+        rv.append([item[1] + 1, charList[i + 1][0] - 1])
+    if charList[-1][1] != max_unicode:
+        rv.append([charList[-1][1] + 1, max_unicode])
+    return rv
+
+
+def listToRegexpStr(charList):
+    rv = []
+    for item in charList:
+        if item[0] == item[1]:
+            rv.append(escapeRegexp(chr(item[0])))
+        else:
+            rv.append(escapeRegexp(chr(item[0])) + "-" +
+                      escapeRegexp(chr(item[1])))
+    return "[%s]" % "".join(rv)
+
+
+def hexToInt(hex_str):
+    return int(hex_str, 16)
+
+
+def escapeRegexp(string):
+    specialCharacters = (".", "^", "$", "*", "+", "?", "{", "}",
+                         "[", "]", "|", "(", ")", "-")
+    for char in specialCharacters:
+        string = string.replace(char, "\\" + char)
+
+    return string
+
+# output from the above
+nonXmlNameBMPRegexp = re.compile('[\x00-,/:-@\\[-\\^`\\{-\xb6\xb8-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u02cf\u02d2-\u02ff\u0346-\u035f\u0362-\u0385\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482\u0487-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u0590\u05a2\u05ba\u05be\u05c0\u05c3\u05c5-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u063f\u0653-\u065f\u066a-\u066f\u06b8-\u06b9\u06bf\u06cf\u06d4\u06e9\u06ee-\u06ef\u06fa-\u0900\u0904\u093a-\u093b\u094e-\u0950\u0955-\u0957\u0964-\u0965\u0970-\u0980\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09bb\u09bd\u09c5-\u09c6\u09c9-\u09ca\u09ce-\u09d6\u09d8-\u09db\u09de\u09e4-\u09e5\u09f2-\u0a01\u0a03-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a3b\u0a3d\u0a43-\u0a46\u0a49-\u0a4a\u0a4e-\u0a58\u0a5d\u0a5f-\u0a65\u0a75-\u0a80\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abb\u0ac6\u0aca\u0ace-\u0adf\u0ae1-\u0ae5\u0af0-\u0b00\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3b\u0b44-\u0b46\u0b49-\u0b4a\u0b4e-\u0b55\u0b58-\u0b5b\u0b5e\u0b62-\u0b65\u0b70-\u0b81\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0bbd\u0bc3-\u0bc5\u0bc9\u0bce-\u0bd6\u0bd8-\u0be6\u0bf0-\u0c00\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c3d\u0c45\u0c49\u0c4e-\u0c54\u0c57-\u0c5f\u0c62-\u0c65\u0c70-\u0c81\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cbd\u0cc5\u0cc9\u0cce-\u0cd4\u0cd7-\u0cdd\u0cdf\u0ce2-\u0ce5\u0cf0-\u0d01\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d3d\u0d44-\u0d45\u0d49\u0d4e-\u0d56\u0d58-\u0d5f\u0d62-\u0d65\u0d70-\u0e00\u0e2f\u0e3b-\u0e3f\u0e4f\u0e5a-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eba\u0ebe-\u0ebf\u0ec5\u0ec7\u0ece-\u0ecf\u0eda-\u0f17\u0f1a-\u0f1f\u0f2a-\u0f34\u0f36\u0f38\u0f3a-\u0f3d\u0f48\u0f6a-\u0f70\u0f85\u0f8c-\u0f8f\u0f96\u0f98\u0fae-\u0fb0\u0fb8\u0fba-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u20cf\u20dd-\u20e0\u20e2-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3004\u3006\u3008-\u3020\u3030\u3036-\u3040\u3095-\u3098\u309b-\u309c\u309f-\u30a0\u30fb\u30ff-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]')
+
+nonXmlNameFirstBMPRegexp = re.compile('[\x00-@\\[-\\^`\\{-\xbf\xd7\xf7\u0132-\u0133\u013f-\u0140\u0149\u017f\u01c4-\u01cc\u01f1-\u01f3\u01f6-\u01f9\u0218-\u024f\u02a9-\u02ba\u02c2-\u0385\u0387\u038b\u038d\u03a2\u03cf\u03d7-\u03d9\u03db\u03dd\u03df\u03e1\u03f4-\u0400\u040d\u0450\u045d\u0482-\u048f\u04c5-\u04c6\u04c9-\u04ca\u04cd-\u04cf\u04ec-\u04ed\u04f6-\u04f7\u04fa-\u0530\u0557-\u0558\u055a-\u0560\u0587-\u05cf\u05eb-\u05ef\u05f3-\u0620\u063b-\u0640\u064b-\u0670\u06b8-\u06b9\u06bf\u06cf\u06d4\u06d6-\u06e4\u06e7-\u0904\u093a-\u093c\u093e-\u0957\u0962-\u0984\u098d-\u098e\u0991-\u0992\u09a9\u09b1\u09b3-\u09b5\u09ba-\u09db\u09de\u09e2-\u09ef\u09f2-\u0a04\u0a0b-\u0a0e\u0a11-\u0a12\u0a29\u0a31\u0a34\u0a37\u0a3a-\u0a58\u0a5d\u0a5f-\u0a71\u0a75-\u0a84\u0a8c\u0a8e\u0a92\u0aa9\u0ab1\u0ab4\u0aba-\u0abc\u0abe-\u0adf\u0ae1-\u0b04\u0b0d-\u0b0e\u0b11-\u0b12\u0b29\u0b31\u0b34-\u0b35\u0b3a-\u0b3c\u0b3e-\u0b5b\u0b5e\u0b62-\u0b84\u0b8b-\u0b8d\u0b91\u0b96-\u0b98\u0b9b\u0b9d\u0ba0-\u0ba2\u0ba5-\u0ba7\u0bab-\u0bad\u0bb6\u0bba-\u0c04\u0c0d\u0c11\u0c29\u0c34\u0c3a-\u0c5f\u0c62-\u0c84\u0c8d\u0c91\u0ca9\u0cb4\u0cba-\u0cdd\u0cdf\u0ce2-\u0d04\u0d0d\u0d11\u0d29\u0d3a-\u0d5f\u0d62-\u0e00\u0e2f\u0e31\u0e34-\u0e3f\u0e46-\u0e80\u0e83\u0e85-\u0e86\u0e89\u0e8b-\u0e8c\u0e8e-\u0e93\u0e98\u0ea0\u0ea4\u0ea6\u0ea8-\u0ea9\u0eac\u0eaf\u0eb1\u0eb4-\u0ebc\u0ebe-\u0ebf\u0ec5-\u0f3f\u0f48\u0f6a-\u109f\u10c6-\u10cf\u10f7-\u10ff\u1101\u1104\u1108\u110a\u110d\u1113-\u113b\u113d\u113f\u1141-\u114b\u114d\u114f\u1151-\u1153\u1156-\u1158\u115a-\u115e\u1162\u1164\u1166\u1168\u116a-\u116c\u116f-\u1171\u1174\u1176-\u119d\u119f-\u11a7\u11a9-\u11aa\u11ac-\u11ad\u11b0-\u11b6\u11b9\u11bb\u11c3-\u11ea\u11ec-\u11ef\u11f1-\u11f8\u11fa-\u1dff\u1e9c-\u1e9f\u1efa-\u1eff\u1f16-\u1f17\u1f1e-\u1f1f\u1f46-\u1f47\u1f4e-\u1f4f\u1f58\u1f5a\u1f5c\u1f5e\u1f7e-\u1f7f\u1fb5\u1fbd\u1fbf-\u1fc1\u1fc5\u1fcd-\u1fcf\u1fd4-\u1fd5\u1fdc-\u1fdf\u1fed-\u1ff1\u1ff5\u1ffd-\u2125\u2127-\u2129\u212c-\u212d\u212f-\u217f\u2183-\u3006\u3008-\u3020\u302a-\u3040\u3095-\u30a0\u30fb-\u3104\u312d-\u4dff\u9fa6-\uabff\ud7a4-\uffff]')
+
+# Simpler things
+nonPubidCharRegexp = re.compile("[^\x20\x0D\x0Aa-zA-Z0-9\-\'()+,./:=?;!*#@$_%]")
+
+
+class InfosetFilter(object):
+    replacementRegexp = re.compile(r"U[\dA-F]{5,5}")
+
+    def __init__(self, replaceChars=None,
+                 dropXmlnsLocalName=False,
+                 dropXmlnsAttrNs=False,
+                 preventDoubleDashComments=False,
+                 preventDashAtCommentEnd=False,
+                 replaceFormFeedCharacters=True,
+                 preventSingleQuotePubid=False):
+
+        self.dropXmlnsLocalName = dropXmlnsLocalName
+        self.dropXmlnsAttrNs = dropXmlnsAttrNs
+
+        self.preventDoubleDashComments = preventDoubleDashComments
+        self.preventDashAtCommentEnd = preventDashAtCommentEnd
+
+        self.replaceFormFeedCharacters = replaceFormFeedCharacters
+
+        self.preventSingleQuotePubid = preventSingleQuotePubid
+
+        self.replaceCache = {}
+
+    def coerceAttribute(self, name, namespace=None):
+        if self.dropXmlnsLocalName and name.startswith("xmlns:"):
+            warnings.warn("Attributes cannot begin with xmlns", DataLossWarning)
+            return None
+        elif (self.dropXmlnsAttrNs and
+              namespace == "http://www.w3.org/2000/xmlns/"):
+            warnings.warn("Attributes cannot be in the xml namespace", DataLossWarning)
+            return None
+        else:
+            return self.toXmlName(name)
+
+    def coerceElement(self, name, namespace=None):
+        return self.toXmlName(name)
+
+    def coerceComment(self, data):
+        if self.preventDoubleDashComments:
+            while "--" in data:
+                warnings.warn("Comments cannot contain adjacent dashes", DataLossWarning)
+                data = data.replace("--", "- -")
+        return data
+
+    def coerceCharacters(self, data):
+        if self.replaceFormFeedCharacters:
+            for i in range(data.count("\x0C")):
+                warnings.warn("Text cannot contain U+000C", DataLossWarning)
+            data = data.replace("\x0C", " ")
+        # Other non-xml characters
+        return data
+
+    def coercePubid(self, data):
+        dataOutput = data
+        for char in nonPubidCharRegexp.findall(data):
+            warnings.warn("Coercing non-XML pubid", DataLossWarning)
+            replacement = self.getReplacementCharacter(char)
+            dataOutput = dataOutput.replace(char, replacement)
+        if self.preventSingleQuotePubid and dataOutput.find("'") >= 0:
+            warnings.warn("Pubid cannot contain single quote", DataLossWarning)
+            dataOutput = dataOutput.replace("'", self.getReplacementCharacter("'"))
+        return dataOutput
+
+    def toXmlName(self, name):
+        nameFirst = name[0]
+        nameRest = name[1:]
+        m = nonXmlNameFirstBMPRegexp.match(nameFirst)
+        if m:
+            warnings.warn("Coercing non-XML name", DataLossWarning)
+            nameFirstOutput = self.getReplacementCharacter(nameFirst)
+        else:
+            nameFirstOutput = nameFirst
+
+        nameRestOutput = nameRest
+        replaceChars = set(nonXmlNameBMPRegexp.findall(nameRest))
+        for char in replaceChars:
+            warnings.warn("Coercing non-XML name", DataLossWarning)
+            replacement = self.getReplacementCharacter(char)
+            nameRestOutput = nameRestOutput.replace(char, replacement)
+        return nameFirstOutput + nameRestOutput
+
+    def getReplacementCharacter(self, char):
+        if char in self.replaceCache:
+            replacement = self.replaceCache[char]
+        else:
+            replacement = self.escapeChar(char)
+        return replacement
+
+    def fromXmlName(self, name):
+        for item in set(self.replacementRegexp.findall(name)):
+            name = name.replace(item, self.unescapeChar(item))
+        return name
+
+    def escapeChar(self, char):
+        replacement = "U%05X" % ord(char)
+        self.replaceCache[char] = replacement
+        return replacement
+
+    def unescapeChar(self, charcode):
+        return chr(int(charcode[1:], 16))
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/inputstream.py b/testing/web-platform/tests/tools/html5lib/html5lib/inputstream.py
new file mode 100644
index 000000000..9e03b9313
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/inputstream.py
@@ -0,0 +1,886 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import text_type
+from six.moves import http_client
+
+import codecs
+import re
+
+from .constants import EOF, spaceCharacters, asciiLetters, asciiUppercase
+from .constants import encodings, ReparseException
+from . import utils
+
+from io import StringIO
+
+try:
+    from io import BytesIO
+except ImportError:
+    BytesIO = StringIO
+
+try:
+    from io import BufferedIOBase
+except ImportError:
+    class BufferedIOBase(object):
+        pass
+
+# Non-unicode versions of constants for use in the pre-parser
+spaceCharactersBytes = frozenset([item.encode("ascii") for item in spaceCharacters])
+asciiLettersBytes = frozenset([item.encode("ascii") for item in asciiLetters])
+asciiUppercaseBytes = frozenset([item.encode("ascii") for item in asciiUppercase])
+spacesAngleBrackets = spaceCharactersBytes | frozenset([b">", b"<"])
+
+invalid_unicode_re = re.compile("[\u0001-\u0008\u000B\u000E-\u001F\u007F-\u009F\uD800-\uDFFF\uFDD0-\uFDEF\uFFFE\uFFFF\U0001FFFE\U0001FFFF\U0002FFFE\U0002FFFF\U0003FFFE\U0003FFFF\U0004FFFE\U0004FFFF\U0005FFFE\U0005FFFF\U0006FFFE\U0006FFFF\U0007FFFE\U0007FFFF\U0008FFFE\U0008FFFF\U0009FFFE\U0009FFFF\U000AFFFE\U000AFFFF\U000BFFFE\U000BFFFF\U000CFFFE\U000CFFFF\U000DFFFE\U000DFFFF\U000EFFFE\U000EFFFF\U000FFFFE\U000FFFFF\U0010FFFE\U0010FFFF]")
+
+non_bmp_invalid_codepoints = set([0x1FFFE, 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE,
+                                  0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, 0x5FFFF,
+                                  0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE,
+                                  0x8FFFF, 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF,
+                                  0xBFFFE, 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE,
+                                  0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF,
+                                  0x10FFFE, 0x10FFFF])
+
+ascii_punctuation_re = re.compile("[\u0009-\u000D\u0020-\u002F\u003A-\u0040\u005B-\u0060\u007B-\u007E]")
+
+# Cache for charsUntil()
+charsUntilRegEx = {}
+
+
+class BufferedStream(object):
+    """Buffering for streams that do not have buffering of their own
+
+    The buffer is implemented as a list of chunks on the assumption that
+    joining many strings will be slow since it is O(n**2)
+    """
+
+    def __init__(self, stream):
+        self.stream = stream
+        self.buffer = []
+        self.position = [-1, 0]  # chunk number, offset
+
+    def tell(self):
+        pos = 0
+        for chunk in self.buffer[:self.position[0]]:
+            pos += len(chunk)
+        pos += self.position[1]
+        return pos
+
+    def seek(self, pos):
+        assert pos <= self._bufferedBytes()
+        offset = pos
+        i = 0
+        while len(self.buffer[i]) < offset:
+            offset -= len(self.buffer[i])
+            i += 1
+        self.position = [i, offset]
+
+    def read(self, bytes):
+        if not self.buffer:
+            return self._readStream(bytes)
+        elif (self.position[0] == len(self.buffer) and
+              self.position[1] == len(self.buffer[-1])):
+            return self._readStream(bytes)
+        else:
+            return self._readFromBuffer(bytes)
+
+    def _bufferedBytes(self):
+        return sum([len(item) for item in self.buffer])
+
+    def _readStream(self, bytes):
+        data = self.stream.read(bytes)
+        self.buffer.append(data)
+        self.position[0] += 1
+        self.position[1] = len(data)
+        return data
+
+    def _readFromBuffer(self, bytes):
+        remainingBytes = bytes
+        rv = []
+        bufferIndex = self.position[0]
+        bufferOffset = self.position[1]
+        while bufferIndex < len(self.buffer) and remainingBytes != 0:
+            assert remainingBytes > 0
+            bufferedData = self.buffer[bufferIndex]
+
+            if remainingBytes <= len(bufferedData) - bufferOffset:
+                bytesToRead = remainingBytes
+                self.position = [bufferIndex, bufferOffset + bytesToRead]
+            else:
+                bytesToRead = len(bufferedData) - bufferOffset
+                self.position = [bufferIndex, len(bufferedData)]
+                bufferIndex += 1
+            rv.append(bufferedData[bufferOffset:bufferOffset + bytesToRead])
+            remainingBytes -= bytesToRead
+
+            bufferOffset = 0
+
+        if remainingBytes:
+            rv.append(self._readStream(remainingBytes))
+
+        return b"".join(rv)
+
+
+def HTMLInputStream(source, encoding=None, parseMeta=True, chardet=True):
+    if isinstance(source, http_client.HTTPResponse):
+        # Work around Python bug #20007: read(0) closes the connection.
+        # http://bugs.python.org/issue20007
+        isUnicode = False
+    elif hasattr(source, "read"):
+        isUnicode = isinstance(source.read(0), text_type)
+    else:
+        isUnicode = isinstance(source, text_type)
+
+    if isUnicode:
+        if encoding is not None:
+            raise TypeError("Cannot explicitly set an encoding with a unicode string")
+
+        return HTMLUnicodeInputStream(source)
+    else:
+        return HTMLBinaryInputStream(source, encoding, parseMeta, chardet)
+
+
+class HTMLUnicodeInputStream(object):
+    """Provides a unicode stream of characters to the HTMLTokenizer.
+
+    This class takes care of character encoding and removing or replacing
+    incorrect byte-sequences and also provides column and line tracking.
+
+    """
+
+    _defaultChunkSize = 10240
+
+    def __init__(self, source):
+        """Initialises the HTMLInputStream.
+
+        HTMLInputStream(source, [encoding]) -> Normalized stream from source
+        for use by html5lib.
+
+        source can be either a file-object, local filename or a string.
+
+        The optional encoding parameter must be a string that indicates
+        the encoding.  If specified, that encoding will be used,
+        regardless of any BOM or later declaration (such as in a meta
+        element)
+
+        parseMeta - Look for a <meta> element containing encoding information
+
+        """
+
+        # Craziness
+        if len("\U0010FFFF") == 1:
+            self.reportCharacterErrors = self.characterErrorsUCS4
+            self.replaceCharactersRegexp = re.compile("[\uD800-\uDFFF]")
+        else:
+            self.reportCharacterErrors = self.characterErrorsUCS2
+            self.replaceCharactersRegexp = re.compile("([\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?<![\uD800-\uDBFF])[\uDC00-\uDFFF])")
+
+        # List of where new lines occur
+        self.newLines = [0]
+
+        self.charEncoding = ("utf-8", "certain")
+        self.dataStream = self.openStream(source)
+
+        self.reset()
+
+    def reset(self):
+        self.chunk = ""
+        self.chunkSize = 0
+        self.chunkOffset = 0
+        self.errors = []
+
+        # number of (complete) lines in previous chunks
+        self.prevNumLines = 0
+        # number of columns in the last line of the previous chunk
+        self.prevNumCols = 0
+
+        # Deal with CR LF and surrogates split over chunk boundaries
+        self._bufferedCharacter = None
+
+    def openStream(self, source):
+        """Produces a file object from source.
+
+        source can be either a file object, local filename or a string.
+
+        """
+        # Already a file object
+        if hasattr(source, 'read'):
+            stream = source
+        else:
+            stream = StringIO(source)
+
+        return stream
+
+    def _position(self, offset):
+        chunk = self.chunk
+        nLines = chunk.count('\n', 0, offset)
+        positionLine = self.prevNumLines + nLines
+        lastLinePos = chunk.rfind('\n', 0, offset)
+        if lastLinePos == -1:
+            positionColumn = self.prevNumCols + offset
+        else:
+            positionColumn = offset - (lastLinePos + 1)
+        return (positionLine, positionColumn)
+
+    def position(self):
+        """Returns (line, col) of the current position in the stream."""
+        line, col = self._position(self.chunkOffset)
+        return (line + 1, col)
+
+    def char(self):
+        """ Read one character from the stream or queue if available. Return
+            EOF when EOF is reached.
+        """
+        # Read a new chunk from the input stream if necessary
+        if self.chunkOffset >= self.chunkSize:
+            if not self.readChunk():
+                return EOF
+
+        chunkOffset = self.chunkOffset
+        char = self.chunk[chunkOffset]
+        self.chunkOffset = chunkOffset + 1
+
+        return char
+
+    def readChunk(self, chunkSize=None):
+        if chunkSize is None:
+            chunkSize = self._defaultChunkSize
+
+        self.prevNumLines, self.prevNumCols = self._position(self.chunkSize)
+
+        self.chunk = ""
+        self.chunkSize = 0
+        self.chunkOffset = 0
+
+        data = self.dataStream.read(chunkSize)
+
+        # Deal with CR LF and surrogates broken across chunks
+        if self._bufferedCharacter:
+            data = self._bufferedCharacter + data
+            self._bufferedCharacter = None
+        elif not data:
+            # We have no more data, bye-bye stream
+            return False
+
+        if len(data) > 1:
+            lastv = ord(data[-1])
+            if lastv == 0x0D or 0xD800 <= lastv <= 0xDBFF:
+                self._bufferedCharacter = data[-1]
+                data = data[:-1]
+
+        self.reportCharacterErrors(data)
+
+        # Replace invalid characters
+        # Note U+0000 is dealt with in the tokenizer
+        data = self.replaceCharactersRegexp.sub("\ufffd", data)
+
+        data = data.replace("\r\n", "\n")
+        data = data.replace("\r", "\n")
+
+        self.chunk = data
+        self.chunkSize = len(data)
+
+        return True
+
+    def characterErrorsUCS4(self, data):
+        for i in range(len(invalid_unicode_re.findall(data))):
+            self.errors.append("invalid-codepoint")
+
+    def characterErrorsUCS2(self, data):
+        # Someone picked the wrong compile option
+        # You lose
+        skip = False
+        for match in invalid_unicode_re.finditer(data):
+            if skip:
+                continue
+            codepoint = ord(match.group())
+            pos = match.start()
+            # Pretty sure there should be endianness issues here
+            if utils.isSurrogatePair(data[pos:pos + 2]):
+                # We have a surrogate pair!
+                char_val = utils.surrogatePairToCodepoint(data[pos:pos + 2])
+                if char_val in non_bmp_invalid_codepoints:
+                    self.errors.append("invalid-codepoint")
+                skip = True
+            elif (codepoint >= 0xD800 and codepoint <= 0xDFFF and
+                  pos == len(data) - 1):
+                self.errors.append("invalid-codepoint")
+            else:
+                skip = False
+                self.errors.append("invalid-codepoint")
+
+    def charsUntil(self, characters, opposite=False):
+        """ Returns a string of characters from the stream up to but not
+        including any character in 'characters' or EOF. 'characters' must be
+        a container that supports the 'in' method and iteration over its
+        characters.
+        """
+
+        # Use a cache of regexps to find the required characters
+        try:
+            chars = charsUntilRegEx[(characters, opposite)]
+        except KeyError:
+            if __debug__:
+                for c in characters:
+                    assert(ord(c) < 128)
+            regex = "".join(["\\x%02x" % ord(c) for c in characters])
+            if not opposite:
+                regex = "^%s" % regex
+            chars = charsUntilRegEx[(characters, opposite)] = re.compile("[%s]+" % regex)
+
+        rv = []
+
+        while True:
+            # Find the longest matching prefix
+            m = chars.match(self.chunk, self.chunkOffset)
+            if m is None:
+                # If nothing matched, and it wasn't because we ran out of chunk,
+                # then stop
+                if self.chunkOffset != self.chunkSize:
+                    break
+            else:
+                end = m.end()
+                # If not the whole chunk matched, return everything
+                # up to the part that didn't match
+                if end != self.chunkSize:
+                    rv.append(self.chunk[self.chunkOffset:end])
+                    self.chunkOffset = end
+                    break
+            # If the whole remainder of the chunk matched,
+            # use it all and read the next chunk
+            rv.append(self.chunk[self.chunkOffset:])
+            if not self.readChunk():
+                # Reached EOF
+                break
+
+        r = "".join(rv)
+        return r
+
+    def unget(self, char):
+        # Only one character is allowed to be ungotten at once - it must
+        # be consumed again before any further call to unget
+        if char is not None:
+            if self.chunkOffset == 0:
+                # unget is called quite rarely, so it's a good idea to do
+                # more work here if it saves a bit of work in the frequently
+                # called char and charsUntil.
+                # So, just prepend the ungotten character onto the current
+                # chunk:
+                self.chunk = char + self.chunk
+                self.chunkSize += 1
+            else:
+                self.chunkOffset -= 1
+                assert self.chunk[self.chunkOffset] == char
+
+
+class HTMLBinaryInputStream(HTMLUnicodeInputStream):
+    """Provides a unicode stream of characters to the HTMLTokenizer.
+
+    This class takes care of character encoding and removing or replacing
+    incorrect byte-sequences and also provides column and line tracking.
+
+    """
+
+    def __init__(self, source, encoding=None, parseMeta=True, chardet=True):
+        """Initialises the HTMLInputStream.
+
+        HTMLInputStream(source, [encoding]) -> Normalized stream from source
+        for use by html5lib.
+
+        source can be either a file-object, local filename or a string.
+
+        The optional encoding parameter must be a string that indicates
+        the encoding.  If specified, that encoding will be used,
+        regardless of any BOM or later declaration (such as in a meta
+        element)
+
+        parseMeta - Look for a <meta> element containing encoding information
+
+        """
+        # Raw Stream - for unicode objects this will encode to utf-8 and set
+        #              self.charEncoding as appropriate
+        self.rawStream = self.openStream(source)
+
+        HTMLUnicodeInputStream.__init__(self, self.rawStream)
+
+        self.charEncoding = (codecName(encoding), "certain")
+
+        # Encoding Information
+        # Number of bytes to use when looking for a meta element with
+        # encoding information
+        self.numBytesMeta = 512
+        # Number of bytes to use when using detecting encoding using chardet
+        self.numBytesChardet = 100
+        # Encoding to use if no other information can be found
+        self.defaultEncoding = "windows-1252"
+
+        # Detect encoding iff no explicit "transport level" encoding is supplied
+        if (self.charEncoding[0] is None):
+            self.charEncoding = self.detectEncoding(parseMeta, chardet)
+
+        # Call superclass
+        self.reset()
+
+    def reset(self):
+        self.dataStream = codecs.getreader(self.charEncoding[0])(self.rawStream,
+                                                                 'replace')
+        HTMLUnicodeInputStream.reset(self)
+
+    def openStream(self, source):
+        """Produces a file object from source.
+
+        source can be either a file object, local filename or a string.
+
+        """
+        # Already a file object
+        if hasattr(source, 'read'):
+            stream = source
+        else:
+            stream = BytesIO(source)
+
+        try:
+            stream.seek(stream.tell())
+        except:
+            stream = BufferedStream(stream)
+
+        return stream
+
+    def detectEncoding(self, parseMeta=True, chardet=True):
+        # First look for a BOM
+        # This will also read past the BOM if present
+        encoding = self.detectBOM()
+        confidence = "certain"
+        # If there is no BOM need to look for meta elements with encoding
+        # information
+        if encoding is None and parseMeta:
+            encoding = self.detectEncodingMeta()
+            confidence = "tentative"
+        # Guess with chardet, if avaliable
+        if encoding is None and chardet:
+            confidence = "tentative"
+            try:
+                try:
+                    from charade.universaldetector import UniversalDetector
+                except ImportError:
+                    from chardet.universaldetector import UniversalDetector
+                buffers = []
+                detector = UniversalDetector()
+                while not detector.done:
+                    buffer = self.rawStream.read(self.numBytesChardet)
+                    assert isinstance(buffer, bytes)
+                    if not buffer:
+                        break
+                    buffers.append(buffer)
+                    detector.feed(buffer)
+                detector.close()
+                encoding = detector.result['encoding']
+                self.rawStream.seek(0)
+            except ImportError:
+                pass
+        # If all else fails use the default encoding
+        if encoding is None:
+            confidence = "tentative"
+            encoding = self.defaultEncoding
+
+        # Substitute for equivalent encodings:
+        encodingSub = {"iso-8859-1": "windows-1252"}
+
+        if encoding.lower() in encodingSub:
+            encoding = encodingSub[encoding.lower()]
+
+        return encoding, confidence
+
+    def changeEncoding(self, newEncoding):
+        assert self.charEncoding[1] != "certain"
+        newEncoding = codecName(newEncoding)
+        if newEncoding in ("utf-16", "utf-16-be", "utf-16-le"):
+            newEncoding = "utf-8"
+        if newEncoding is None:
+            return
+        elif newEncoding == self.charEncoding[0]:
+            self.charEncoding = (self.charEncoding[0], "certain")
+        else:
+            self.rawStream.seek(0)
+            self.reset()
+            self.charEncoding = (newEncoding, "certain")
+            raise ReparseException("Encoding changed from %s to %s" % (self.charEncoding[0], newEncoding))
+
+    def detectBOM(self):
+        """Attempts to detect at BOM at the start of the stream. If
+        an encoding can be determined from the BOM return the name of the
+        encoding otherwise return None"""
+        bomDict = {
+            codecs.BOM_UTF8: 'utf-8',
+            codecs.BOM_UTF16_LE: 'utf-16-le', codecs.BOM_UTF16_BE: 'utf-16-be',
+            codecs.BOM_UTF32_LE: 'utf-32-le', codecs.BOM_UTF32_BE: 'utf-32-be'
+        }
+
+        # Go to beginning of file and read in 4 bytes
+        string = self.rawStream.read(4)
+        assert isinstance(string, bytes)
+
+        # Try detecting the BOM using bytes from the string
+        encoding = bomDict.get(string[:3])         # UTF-8
+        seek = 3
+        if not encoding:
+            # Need to detect UTF-32 before UTF-16
+            encoding = bomDict.get(string)         # UTF-32
+            seek = 4
+            if not encoding:
+                encoding = bomDict.get(string[:2])  # UTF-16
+                seek = 2
+
+        # Set the read position past the BOM if one was found, otherwise
+        # set it to the start of the stream
+        self.rawStream.seek(encoding and seek or 0)
+
+        return encoding
+
+    def detectEncodingMeta(self):
+        """Report the encoding declared by the meta element
+        """
+        buffer = self.rawStream.read(self.numBytesMeta)
+        assert isinstance(buffer, bytes)
+        parser = EncodingParser(buffer)
+        self.rawStream.seek(0)
+        encoding = parser.getEncoding()
+
+        if encoding in ("utf-16", "utf-16-be", "utf-16-le"):
+            encoding = "utf-8"
+
+        return encoding
+
+
+class EncodingBytes(bytes):
+    """String-like object with an associated position and various extra methods
+    If the position is ever greater than the string length then an exception is
+    raised"""
+    def __new__(self, value):
+        assert isinstance(value, bytes)
+        return bytes.__new__(self, value.lower())
+
+    def __init__(self, value):
+        self._position = -1
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        p = self._position = self._position + 1
+        if p >= len(self):
+            raise StopIteration
+        elif p < 0:
+            raise TypeError
+        return self[p:p + 1]
+
+    def next(self):
+        # Py2 compat
+        return self.__next__()
+
+    def previous(self):
+        p = self._position
+        if p >= len(self):
+            raise StopIteration
+        elif p < 0:
+            raise TypeError
+        self._position = p = p - 1
+        return self[p:p + 1]
+
+    def setPosition(self, position):
+        if self._position >= len(self):
+            raise StopIteration
+        self._position = position
+
+    def getPosition(self):
+        if self._position >= len(self):
+            raise StopIteration
+        if self._position >= 0:
+            return self._position
+        else:
+            return None
+
+    position = property(getPosition, setPosition)
+
+    def getCurrentByte(self):
+        return self[self.position:self.position + 1]
+
+    currentByte = property(getCurrentByte)
+
+    def skip(self, chars=spaceCharactersBytes):
+        """Skip past a list of characters"""
+        p = self.position               # use property for the error-checking
+        while p < len(self):
+            c = self[p:p + 1]
+            if c not in chars:
+                self._position = p
+                return c
+            p += 1
+        self._position = p
+        return None
+
+    def skipUntil(self, chars):
+        p = self.position
+        while p < len(self):
+            c = self[p:p + 1]
+            if c in chars:
+                self._position = p
+                return c
+            p += 1
+        self._position = p
+        return None
+
+    def matchBytes(self, bytes):
+        """Look for a sequence of bytes at the start of a string. If the bytes
+        are found return True and advance the position to the byte after the
+        match. Otherwise return False and leave the position alone"""
+        p = self.position
+        data = self[p:p + len(bytes)]
+        rv = data.startswith(bytes)
+        if rv:
+            self.position += len(bytes)
+        return rv
+
+    def jumpTo(self, bytes):
+        """Look for the next sequence of bytes matching a given sequence. If
+        a match is found advance the position to the last byte of the match"""
+        newPosition = self[self.position:].find(bytes)
+        if newPosition > -1:
+            # XXX: This is ugly, but I can't see a nicer way to fix this.
+            if self._position == -1:
+                self._position = 0
+            self._position += (newPosition + len(bytes) - 1)
+            return True
+        else:
+            raise StopIteration
+
+
+class EncodingParser(object):
+    """Mini parser for detecting character encoding from meta elements"""
+
+    def __init__(self, data):
+        """string - the data to work on for encoding detection"""
+        self.data = EncodingBytes(data)
+        self.encoding = None
+
+    def getEncoding(self):
+        methodDispatch = (
+            (b"<!--", self.handleComment),
+            (b"<meta", self.handleMeta),
+            (b"</", self.handlePossibleEndTag),
+            (b"<!", self.handleOther),
+            (b"<?", self.handleOther),
+            (b"<", self.handlePossibleStartTag))
+        for byte in self.data:
+            keepParsing = True
+            for key, method in methodDispatch:
+                if self.data.matchBytes(key):
+                    try:
+                        keepParsing = method()
+                        break
+                    except StopIteration:
+                        keepParsing = False
+                        break
+            if not keepParsing:
+                break
+
+        return self.encoding
+
+    def handleComment(self):
+        """Skip over comments"""
+        return self.data.jumpTo(b"-->")
+
+    def handleMeta(self):
+        if self.data.currentByte not in spaceCharactersBytes:
+            # if we have <meta not followed by a space so just keep going
+            return True
+        # We have a valid meta element we want to search for attributes
+        hasPragma = False
+        pendingEncoding = None
+        while True:
+            # Try to find the next attribute after the current position
+            attr = self.getAttribute()
+            if attr is None:
+                return True
+            else:
+                if attr[0] == b"http-equiv":
+                    hasPragma = attr[1] == b"content-type"
+                    if hasPragma and pendingEncoding is not None:
+                        self.encoding = pendingEncoding
+                        return False
+                elif attr[0] == b"charset":
+                    tentativeEncoding = attr[1]
+                    codec = codecName(tentativeEncoding)
+                    if codec is not None:
+                        self.encoding = codec
+                        return False
+                elif attr[0] == b"content":
+                    contentParser = ContentAttrParser(EncodingBytes(attr[1]))
+                    tentativeEncoding = contentParser.parse()
+                    if tentativeEncoding is not None:
+                        codec = codecName(tentativeEncoding)
+                        if codec is not None:
+                            if hasPragma:
+                                self.encoding = codec
+                                return False
+                            else:
+                                pendingEncoding = codec
+
+    def handlePossibleStartTag(self):
+        return self.handlePossibleTag(False)
+
+    def handlePossibleEndTag(self):
+        next(self.data)
+        return self.handlePossibleTag(True)
+
+    def handlePossibleTag(self, endTag):
+        data = self.data
+        if data.currentByte not in asciiLettersBytes:
+            # If the next byte is not an ascii letter either ignore this
+            # fragment (possible start tag case) or treat it according to
+            # handleOther
+            if endTag:
+                data.previous()
+                self.handleOther()
+            return True
+
+        c = data.skipUntil(spacesAngleBrackets)
+        if c == b"<":
+            # return to the first step in the overall "two step" algorithm
+            # reprocessing the < byte
+            data.previous()
+        else:
+            # Read all attributes
+            attr = self.getAttribute()
+            while attr is not None:
+                attr = self.getAttribute()
+        return True
+
+    def handleOther(self):
+        return self.data.jumpTo(b">")
+
+    def getAttribute(self):
+        """Return a name,value pair for the next attribute in the stream,
+        if one is found, or None"""
+        data = self.data
+        # Step 1 (skip chars)
+        c = data.skip(spaceCharactersBytes | frozenset([b"/"]))
+        assert c is None or len(c) == 1
+        # Step 2
+        if c in (b">", None):
+            return None
+        # Step 3
+        attrName = []
+        attrValue = []
+        # Step 4 attribute name
+        while True:
+            if c == b"=" and attrName:
+                break
+            elif c in spaceCharactersBytes:
+                # Step 6!
+                c = data.skip()
+                break
+            elif c in (b"/", b">"):
+                return b"".join(attrName), b""
+            elif c in asciiUppercaseBytes:
+                attrName.append(c.lower())
+            elif c is None:
+                return None
+            else:
+                attrName.append(c)
+            # Step 5
+            c = next(data)
+        # Step 7
+        if c != b"=":
+            data.previous()
+            return b"".join(attrName), b""
+        # Step 8
+        next(data)
+        # Step 9
+        c = data.skip()
+        # Step 10
+        if c in (b"'", b'"'):
+            # 10.1
+            quoteChar = c
+            while True:
+                # 10.2
+                c = next(data)
+                # 10.3
+                if c == quoteChar:
+                    next(data)
+                    return b"".join(attrName), b"".join(attrValue)
+                # 10.4
+                elif c in asciiUppercaseBytes:
+                    attrValue.append(c.lower())
+                # 10.5
+                else:
+                    attrValue.append(c)
+        elif c == b">":
+            return b"".join(attrName), b""
+        elif c in asciiUppercaseBytes:
+            attrValue.append(c.lower())
+        elif c is None:
+            return None
+        else:
+            attrValue.append(c)
+        # Step 11
+        while True:
+            c = next(data)
+            if c in spacesAngleBrackets:
+                return b"".join(attrName), b"".join(attrValue)
+            elif c in asciiUppercaseBytes:
+                attrValue.append(c.lower())
+            elif c is None:
+                return None
+            else:
+                attrValue.append(c)
+
+
+class ContentAttrParser(object):
+    def __init__(self, data):
+        assert isinstance(data, bytes)
+        self.data = data
+
+    def parse(self):
+        try:
+            # Check if the attr name is charset
+            # otherwise return
+            self.data.jumpTo(b"charset")
+            self.data.position += 1
+            self.data.skip()
+            if not self.data.currentByte == b"=":
+                # If there is no = sign keep looking for attrs
+                return None
+            self.data.position += 1
+            self.data.skip()
+            # Look for an encoding between matching quote marks
+            if self.data.currentByte in (b'"', b"'"):
+                quoteMark = self.data.currentByte
+                self.data.position += 1
+                oldPosition = self.data.position
+                if self.data.jumpTo(quoteMark):
+                    return self.data[oldPosition:self.data.position]
+                else:
+                    return None
+            else:
+                # Unquoted value
+                oldPosition = self.data.position
+                try:
+                    self.data.skipUntil(spaceCharactersBytes)
+                    return self.data[oldPosition:self.data.position]
+                except StopIteration:
+                    # Return the whole remaining value
+                    return self.data[oldPosition:]
+        except StopIteration:
+            return None
+
+
+def codecName(encoding):
+    """Return the python codec name corresponding to an encoding or None if the
+    string doesn't correspond to a valid encoding."""
+    if isinstance(encoding, bytes):
+        try:
+            encoding = encoding.decode("ascii")
+        except UnicodeDecodeError:
+            return None
+    if encoding:
+        canonicalName = ascii_punctuation_re.sub("", encoding).lower()
+        return encodings.get(canonicalName, None)
+    else:
+        return None
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/sanitizer.py b/testing/web-platform/tests/tools/html5lib/html5lib/sanitizer.py
new file mode 100644
index 000000000..469d9b40c
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/sanitizer.py
@@ -0,0 +1,271 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import re
+from xml.sax.saxutils import escape, unescape
+
+from .tokenizer import HTMLTokenizer
+from .constants import tokenTypes
+
+
+class HTMLSanitizerMixin(object):
+    """ sanitization of XHTML+MathML+SVG and of inline style attributes."""
+
+    acceptable_elements = ['a', 'abbr', 'acronym', 'address', 'area',
+                           'article', 'aside', 'audio', 'b', 'big', 'blockquote', 'br', 'button',
+                           'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup',
+                           'command', 'datagrid', 'datalist', 'dd', 'del', 'details', 'dfn',
+                           'dialog', 'dir', 'div', 'dl', 'dt', 'em', 'event-source', 'fieldset',
+                           'figcaption', 'figure', 'footer', 'font', 'form', 'header', 'h1',
+                           'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'i', 'img', 'input', 'ins',
+                           'keygen', 'kbd', 'label', 'legend', 'li', 'm', 'map', 'menu', 'meter',
+                           'multicol', 'nav', 'nextid', 'ol', 'output', 'optgroup', 'option',
+                           'p', 'pre', 'progress', 'q', 's', 'samp', 'section', 'select',
+                           'small', 'sound', 'source', 'spacer', 'span', 'strike', 'strong',
+                           'sub', 'sup', 'table', 'tbody', 'td', 'textarea', 'time', 'tfoot',
+                           'th', 'thead', 'tr', 'tt', 'u', 'ul', 'var', 'video']
+
+    mathml_elements = ['maction', 'math', 'merror', 'mfrac', 'mi',
+                       'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom',
+                       'mprescripts', 'mroot', 'mrow', 'mspace', 'msqrt', 'mstyle', 'msub',
+                       'msubsup', 'msup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder',
+                       'munderover', 'none']
+
+    svg_elements = ['a', 'animate', 'animateColor', 'animateMotion',
+                    'animateTransform', 'clipPath', 'circle', 'defs', 'desc', 'ellipse',
+                    'font-face', 'font-face-name', 'font-face-src', 'g', 'glyph', 'hkern',
+                    'linearGradient', 'line', 'marker', 'metadata', 'missing-glyph',
+                    'mpath', 'path', 'polygon', 'polyline', 'radialGradient', 'rect',
+                    'set', 'stop', 'svg', 'switch', 'text', 'title', 'tspan', 'use']
+
+    acceptable_attributes = ['abbr', 'accept', 'accept-charset', 'accesskey',
+                             'action', 'align', 'alt', 'autocomplete', 'autofocus', 'axis',
+                             'background', 'balance', 'bgcolor', 'bgproperties', 'border',
+                             'bordercolor', 'bordercolordark', 'bordercolorlight', 'bottompadding',
+                             'cellpadding', 'cellspacing', 'ch', 'challenge', 'char', 'charoff',
+                             'choff', 'charset', 'checked', 'cite', 'class', 'clear', 'color',
+                             'cols', 'colspan', 'compact', 'contenteditable', 'controls', 'coords',
+                             'data', 'datafld', 'datapagesize', 'datasrc', 'datetime', 'default',
+                             'delay', 'dir', 'disabled', 'draggable', 'dynsrc', 'enctype', 'end',
+                             'face', 'for', 'form', 'frame', 'galleryimg', 'gutter', 'headers',
+                             'height', 'hidefocus', 'hidden', 'high', 'href', 'hreflang', 'hspace',
+                             'icon', 'id', 'inputmode', 'ismap', 'keytype', 'label', 'leftspacing',
+                             'lang', 'list', 'longdesc', 'loop', 'loopcount', 'loopend',
+                             'loopstart', 'low', 'lowsrc', 'max', 'maxlength', 'media', 'method',
+                             'min', 'multiple', 'name', 'nohref', 'noshade', 'nowrap', 'open',
+                             'optimum', 'pattern', 'ping', 'point-size', 'poster', 'pqg', 'preload',
+                             'prompt', 'radiogroup', 'readonly', 'rel', 'repeat-max', 'repeat-min',
+                             'replace', 'required', 'rev', 'rightspacing', 'rows', 'rowspan',
+                             'rules', 'scope', 'selected', 'shape', 'size', 'span', 'src', 'start',
+                             'step', 'style', 'summary', 'suppress', 'tabindex', 'target',
+                             'template', 'title', 'toppadding', 'type', 'unselectable', 'usemap',
+                             'urn', 'valign', 'value', 'variable', 'volume', 'vspace', 'vrml',
+                             'width', 'wrap', 'xml:lang']
+
+    mathml_attributes = ['actiontype', 'align', 'columnalign', 'columnalign',
+                         'columnalign', 'columnlines', 'columnspacing', 'columnspan', 'depth',
+                         'display', 'displaystyle', 'equalcolumns', 'equalrows', 'fence',
+                         'fontstyle', 'fontweight', 'frame', 'height', 'linethickness', 'lspace',
+                         'mathbackground', 'mathcolor', 'mathvariant', 'mathvariant', 'maxsize',
+                         'minsize', 'other', 'rowalign', 'rowalign', 'rowalign', 'rowlines',
+                         'rowspacing', 'rowspan', 'rspace', 'scriptlevel', 'selection',
+                         'separator', 'stretchy', 'width', 'width', 'xlink:href', 'xlink:show',
+                         'xlink:type', 'xmlns', 'xmlns:xlink']
+
+    svg_attributes = ['accent-height', 'accumulate', 'additive', 'alphabetic',
+                      'arabic-form', 'ascent', 'attributeName', 'attributeType',
+                      'baseProfile', 'bbox', 'begin', 'by', 'calcMode', 'cap-height',
+                      'class', 'clip-path', 'color', 'color-rendering', 'content', 'cx',
+                      'cy', 'd', 'dx', 'dy', 'descent', 'display', 'dur', 'end', 'fill',
+                      'fill-opacity', 'fill-rule', 'font-family', 'font-size',
+                      'font-stretch', 'font-style', 'font-variant', 'font-weight', 'from',
+                      'fx', 'fy', 'g1', 'g2', 'glyph-name', 'gradientUnits', 'hanging',
+                      'height', 'horiz-adv-x', 'horiz-origin-x', 'id', 'ideographic', 'k',
+                      'keyPoints', 'keySplines', 'keyTimes', 'lang', 'marker-end',
+                      'marker-mid', 'marker-start', 'markerHeight', 'markerUnits',
+                      'markerWidth', 'mathematical', 'max', 'min', 'name', 'offset',
+                      'opacity', 'orient', 'origin', 'overline-position',
+                      'overline-thickness', 'panose-1', 'path', 'pathLength', 'points',
+                      'preserveAspectRatio', 'r', 'refX', 'refY', 'repeatCount',
+                      'repeatDur', 'requiredExtensions', 'requiredFeatures', 'restart',
+                      'rotate', 'rx', 'ry', 'slope', 'stemh', 'stemv', 'stop-color',
+                      'stop-opacity', 'strikethrough-position', 'strikethrough-thickness',
+                      'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap',
+                      'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity',
+                      'stroke-width', 'systemLanguage', 'target', 'text-anchor', 'to',
+                      'transform', 'type', 'u1', 'u2', 'underline-position',
+                      'underline-thickness', 'unicode', 'unicode-range', 'units-per-em',
+                      'values', 'version', 'viewBox', 'visibility', 'width', 'widths', 'x',
+                      'x-height', 'x1', 'x2', 'xlink:actuate', 'xlink:arcrole',
+                      'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type',
+                      'xml:base', 'xml:lang', 'xml:space', 'xmlns', 'xmlns:xlink', 'y',
+                      'y1', 'y2', 'zoomAndPan']
+
+    attr_val_is_uri = ['href', 'src', 'cite', 'action', 'longdesc', 'poster',
+                       'xlink:href', 'xml:base']
+
+    svg_attr_val_allows_ref = ['clip-path', 'color-profile', 'cursor', 'fill',
+                               'filter', 'marker', 'marker-start', 'marker-mid', 'marker-end',
+                               'mask', 'stroke']
+
+    svg_allow_local_href = ['altGlyph', 'animate', 'animateColor',
+                            'animateMotion', 'animateTransform', 'cursor', 'feImage', 'filter',
+                            'linearGradient', 'pattern', 'radialGradient', 'textpath', 'tref',
+                            'set', 'use']
+
+    acceptable_css_properties = ['azimuth', 'background-color',
+                                 'border-bottom-color', 'border-collapse', 'border-color',
+                                 'border-left-color', 'border-right-color', 'border-top-color', 'clear',
+                                 'color', 'cursor', 'direction', 'display', 'elevation', 'float', 'font',
+                                 'font-family', 'font-size', 'font-style', 'font-variant', 'font-weight',
+                                 'height', 'letter-spacing', 'line-height', 'overflow', 'pause',
+                                 'pause-after', 'pause-before', 'pitch', 'pitch-range', 'richness',
+                                 'speak', 'speak-header', 'speak-numeral', 'speak-punctuation',
+                                 'speech-rate', 'stress', 'text-align', 'text-decoration', 'text-indent',
+                                 'unicode-bidi', 'vertical-align', 'voice-family', 'volume',
+                                 'white-space', 'width']
+
+    acceptable_css_keywords = ['auto', 'aqua', 'black', 'block', 'blue',
+                               'bold', 'both', 'bottom', 'brown', 'center', 'collapse', 'dashed',
+                               'dotted', 'fuchsia', 'gray', 'green', '!important', 'italic', 'left',
+                               'lime', 'maroon', 'medium', 'none', 'navy', 'normal', 'nowrap', 'olive',
+                               'pointer', 'purple', 'red', 'right', 'solid', 'silver', 'teal', 'top',
+                               'transparent', 'underline', 'white', 'yellow']
+
+    acceptable_svg_properties = ['fill', 'fill-opacity', 'fill-rule',
+                                 'stroke', 'stroke-width', 'stroke-linecap', 'stroke-linejoin',
+                                 'stroke-opacity']
+
+    acceptable_protocols = ['ed2k', 'ftp', 'http', 'https', 'irc',
+                            'mailto', 'news', 'gopher', 'nntp', 'telnet', 'webcal',
+                            'xmpp', 'callto', 'feed', 'urn', 'aim', 'rsync', 'tag',
+                            'ssh', 'sftp', 'rtsp', 'afs']
+
+    # subclasses may define their own versions of these constants
+    allowed_elements = acceptable_elements + mathml_elements + svg_elements
+    allowed_attributes = acceptable_attributes + mathml_attributes + svg_attributes
+    allowed_css_properties = acceptable_css_properties
+    allowed_css_keywords = acceptable_css_keywords
+    allowed_svg_properties = acceptable_svg_properties
+    allowed_protocols = acceptable_protocols
+
+    # Sanitize the +html+, escaping all elements not in ALLOWED_ELEMENTS, and
+    # stripping out all # attributes not in ALLOWED_ATTRIBUTES. Style
+    # attributes are parsed, and a restricted set, # specified by
+    # ALLOWED_CSS_PROPERTIES and ALLOWED_CSS_KEYWORDS, are allowed through.
+    # attributes in ATTR_VAL_IS_URI are scanned, and only URI schemes specified
+    # in ALLOWED_PROTOCOLS are allowed.
+    #
+    #   sanitize_html('<script> do_nasty_stuff() </script>')
+    #    => &lt;script> do_nasty_stuff() &lt;/script>
+    #   sanitize_html('<a href="javascript: sucker();">Click here for $100</a>')
+    #    => <a>Click here for $100</a>
+    def sanitize_token(self, token):
+
+        # accommodate filters which use token_type differently
+        token_type = token["type"]
+        if token_type in list(tokenTypes.keys()):
+            token_type = tokenTypes[token_type]
+
+        if token_type in (tokenTypes["StartTag"], tokenTypes["EndTag"],
+                          tokenTypes["EmptyTag"]):
+            if token["name"] in self.allowed_elements:
+                return self.allowed_token(token, token_type)
+            else:
+                return self.disallowed_token(token, token_type)
+        elif token_type == tokenTypes["Comment"]:
+            pass
+        else:
+            return token
+
+    def allowed_token(self, token, token_type):
+        if "data" in token:
+            attrs = dict([(name, val) for name, val in
+                          token["data"][::-1]
+                          if name in self.allowed_attributes])
+            for attr in self.attr_val_is_uri:
+                if attr not in attrs:
+                    continue
+                val_unescaped = re.sub("[`\000-\040\177-\240\s]+", '',
+                                       unescape(attrs[attr])).lower()
+                # remove replacement characters from unescaped characters
+                val_unescaped = val_unescaped.replace("\ufffd", "")
+                if (re.match("^[a-z0-9][-+.a-z0-9]*:", val_unescaped) and
+                    (val_unescaped.split(':')[0] not in
+                     self.allowed_protocols)):
+                    del attrs[attr]
+            for attr in self.svg_attr_val_allows_ref:
+                if attr in attrs:
+                    attrs[attr] = re.sub(r'url\s*\(\s*[^#\s][^)]+?\)',
+                                         ' ',
+                                         unescape(attrs[attr]))
+            if (token["name"] in self.svg_allow_local_href and
+                'xlink:href' in attrs and re.search('^\s*[^#\s].*',
+                                                    attrs['xlink:href'])):
+                del attrs['xlink:href']
+            if 'style' in attrs:
+                attrs['style'] = self.sanitize_css(attrs['style'])
+            token["data"] = [[name, val] for name, val in list(attrs.items())]
+        return token
+
+    def disallowed_token(self, token, token_type):
+        if token_type == tokenTypes["EndTag"]:
+            token["data"] = "</%s>" % token["name"]
+        elif token["data"]:
+            attrs = ''.join([' %s="%s"' % (k, escape(v)) for k, v in token["data"]])
+            token["data"] = "<%s%s>" % (token["name"], attrs)
+        else:
+            token["data"] = "<%s>" % token["name"]
+        if token.get("selfClosing"):
+            token["data"] = token["data"][:-1] + "/>"
+
+        if token["type"] in list(tokenTypes.keys()):
+            token["type"] = "Characters"
+        else:
+            token["type"] = tokenTypes["Characters"]
+
+        del token["name"]
+        return token
+
+    def sanitize_css(self, style):
+        # disallow urls
+        style = re.compile('url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ', style)
+
+        # gauntlet
+        if not re.match("""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style):
+            return ''
+        if not re.match("^\s*([-\w]+\s*:[^:;]*(;\s*|$))*$", style):
+            return ''
+
+        clean = []
+        for prop, value in re.findall("([-\w]+)\s*:\s*([^:;]*)", style):
+            if not value:
+                continue
+            if prop.lower() in self.allowed_css_properties:
+                clean.append(prop + ': ' + value + ';')
+            elif prop.split('-')[0].lower() in ['background', 'border', 'margin',
+                                                'padding']:
+                for keyword in value.split():
+                    if keyword not in self.acceptable_css_keywords and \
+                            not re.match("^(#[0-9a-f]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$", keyword):
+                        break
+                else:
+                    clean.append(prop + ': ' + value + ';')
+            elif prop.lower() in self.allowed_svg_properties:
+                clean.append(prop + ': ' + value + ';')
+
+        return ' '.join(clean)
+
+
+class HTMLSanitizer(HTMLTokenizer, HTMLSanitizerMixin):
+    def __init__(self, stream, encoding=None, parseMeta=True, useChardet=True,
+                 lowercaseElementName=False, lowercaseAttrName=False, parser=None):
+        # Change case matching defaults as we only output lowercase html anyway
+        # This solution doesn't seem ideal...
+        HTMLTokenizer.__init__(self, stream, encoding, parseMeta, useChardet,
+                               lowercaseElementName, lowercaseAttrName, parser=parser)
+
+    def __iter__(self):
+        for token in HTMLTokenizer.__iter__(self):
+            token = self.sanitize_token(token)
+            if token:
+                yield token
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/serializer/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/serializer/__init__.py
new file mode 100644
index 000000000..8380839a6
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/serializer/__init__.py
@@ -0,0 +1,16 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from .. import treewalkers
+
+from .htmlserializer import HTMLSerializer
+
+
+def serialize(input, tree="etree", format="html", encoding=None,
+              **serializer_opts):
+    # XXX: Should we cache this?
+    walker = treewalkers.getTreeWalker(tree)
+    if format == "html":
+        s = HTMLSerializer(**serializer_opts)
+    else:
+        raise ValueError("type must be html")
+    return s.render(walker(input), encoding)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/serializer/htmlserializer.py b/testing/web-platform/tests/tools/html5lib/html5lib/serializer/htmlserializer.py
new file mode 100644
index 000000000..4a891ff56
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/serializer/htmlserializer.py
@@ -0,0 +1,320 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import text_type
+
+import gettext
+_ = gettext.gettext
+
+try:
+    from functools import reduce
+except ImportError:
+    pass
+
+from ..constants import voidElements, booleanAttributes, spaceCharacters
+from ..constants import rcdataElements, entities, xmlEntities
+from .. import utils
+from xml.sax.saxutils import escape
+
+spaceCharacters = "".join(spaceCharacters)
+
+try:
+    from codecs import register_error, xmlcharrefreplace_errors
+except ImportError:
+    unicode_encode_errors = "strict"
+else:
+    unicode_encode_errors = "htmlentityreplace"
+
+    encode_entity_map = {}
+    is_ucs4 = len("\U0010FFFF") == 1
+    for k, v in list(entities.items()):
+        # skip multi-character entities
+        if ((is_ucs4 and len(v) > 1) or
+                (not is_ucs4 and len(v) > 2)):
+            continue
+        if v != "&":
+            if len(v) == 2:
+                v = utils.surrogatePairToCodepoint(v)
+            else:
+                v = ord(v)
+            if v not in encode_entity_map or k.islower():
+                # prefer &lt; over &LT; and similarly for &amp;, &gt;, etc.
+                encode_entity_map[v] = k
+
+    def htmlentityreplace_errors(exc):
+        if isinstance(exc, (UnicodeEncodeError, UnicodeTranslateError)):
+            res = []
+            codepoints = []
+            skip = False
+            for i, c in enumerate(exc.object[exc.start:exc.end]):
+                if skip:
+                    skip = False
+                    continue
+                index = i + exc.start
+                if utils.isSurrogatePair(exc.object[index:min([exc.end, index + 2])]):
+                    codepoint = utils.surrogatePairToCodepoint(exc.object[index:index + 2])
+                    skip = True
+                else:
+                    codepoint = ord(c)
+                codepoints.append(codepoint)
+            for cp in codepoints:
+                e = encode_entity_map.get(cp)
+                if e:
+                    res.append("&")
+                    res.append(e)
+                    if not e.endswith(";"):
+                        res.append(";")
+                else:
+                    res.append("&#x%s;" % (hex(cp)[2:]))
+            return ("".join(res), exc.end)
+        else:
+            return xmlcharrefreplace_errors(exc)
+
+    register_error(unicode_encode_errors, htmlentityreplace_errors)
+
+    del register_error
+
+
+class HTMLSerializer(object):
+
+    # attribute quoting options
+    quote_attr_values = False
+    quote_char = '"'
+    use_best_quote_char = True
+
+    # tag syntax options
+    omit_optional_tags = True
+    minimize_boolean_attributes = True
+    use_trailing_solidus = False
+    space_before_trailing_solidus = True
+
+    # escaping options
+    escape_lt_in_attrs = False
+    escape_rcdata = False
+    resolve_entities = True
+
+    # miscellaneous options
+    alphabetical_attributes = False
+    inject_meta_charset = True
+    strip_whitespace = False
+    sanitize = False
+
+    options = ("quote_attr_values", "quote_char", "use_best_quote_char",
+               "omit_optional_tags", "minimize_boolean_attributes",
+               "use_trailing_solidus", "space_before_trailing_solidus",
+               "escape_lt_in_attrs", "escape_rcdata", "resolve_entities",
+               "alphabetical_attributes", "inject_meta_charset",
+               "strip_whitespace", "sanitize")
+
+    def __init__(self, **kwargs):
+        """Initialize HTMLSerializer.
+
+        Keyword options (default given first unless specified) include:
+
+        inject_meta_charset=True|False
+          Whether it insert a meta element to define the character set of the
+          document.
+        quote_attr_values=True|False
+          Whether to quote attribute values that don't require quoting
+          per HTML5 parsing rules.
+        quote_char=u'"'|u"'"
+          Use given quote character for attribute quoting. Default is to
+          use double quote unless attribute value contains a double quote,
+          in which case single quotes are used instead.
+        escape_lt_in_attrs=False|True
+          Whether to escape < in attribute values.
+        escape_rcdata=False|True
+          Whether to escape characters that need to be escaped within normal
+          elements within rcdata elements such as style.
+        resolve_entities=True|False
+          Whether to resolve named character entities that appear in the
+          source tree. The XML predefined entities &lt; &gt; &amp; &quot; &apos;
+          are unaffected by this setting.
+        strip_whitespace=False|True
+          Whether to remove semantically meaningless whitespace. (This
+          compresses all whitespace to a single space except within pre.)
+        minimize_boolean_attributes=True|False
+          Shortens boolean attributes to give just the attribute value,
+          for example <input disabled="disabled"> becomes <input disabled>.
+        use_trailing_solidus=False|True
+          Includes a close-tag slash at the end of the start tag of void
+          elements (empty elements whose end tag is forbidden). E.g. <hr/>.
+        space_before_trailing_solidus=True|False
+          Places a space immediately before the closing slash in a tag
+          using a trailing solidus. E.g. <hr />. Requires use_trailing_solidus.
+        sanitize=False|True
+          Strip all unsafe or unknown constructs from output.
+          See `html5lib user documentation`_
+        omit_optional_tags=True|False
+          Omit start/end tags that are optional.
+        alphabetical_attributes=False|True
+          Reorder attributes to be in alphabetical order.
+
+        .. _html5lib user documentation: http://code.google.com/p/html5lib/wiki/UserDocumentation
+        """
+        if 'quote_char' in kwargs:
+            self.use_best_quote_char = False
+        for attr in self.options:
+            setattr(self, attr, kwargs.get(attr, getattr(self, attr)))
+        self.errors = []
+        self.strict = False
+
+    def encode(self, string):
+        assert(isinstance(string, text_type))
+        if self.encoding:
+            return string.encode(self.encoding, unicode_encode_errors)
+        else:
+            return string
+
+    def encodeStrict(self, string):
+        assert(isinstance(string, text_type))
+        if self.encoding:
+            return string.encode(self.encoding, "strict")
+        else:
+            return string
+
+    def serialize(self, treewalker, encoding=None):
+        self.encoding = encoding
+        in_cdata = False
+        self.errors = []
+
+        if encoding and self.inject_meta_charset:
+            from ..filters.inject_meta_charset import Filter
+            treewalker = Filter(treewalker, encoding)
+        # WhitespaceFilter should be used before OptionalTagFilter
+        # for maximum efficiently of this latter filter
+        if self.strip_whitespace:
+            from ..filters.whitespace import Filter
+            treewalker = Filter(treewalker)
+        if self.sanitize:
+            from ..filters.sanitizer import Filter
+            treewalker = Filter(treewalker)
+        if self.omit_optional_tags:
+            from ..filters.optionaltags import Filter
+            treewalker = Filter(treewalker)
+        # Alphabetical attributes must be last, as other filters
+        # could add attributes and alter the order
+        if self.alphabetical_attributes:
+            from ..filters.alphabeticalattributes import Filter
+            treewalker = Filter(treewalker)
+
+        for token in treewalker:
+            type = token["type"]
+            if type == "Doctype":
+                doctype = "<!DOCTYPE %s" % token["name"]
+
+                if token["publicId"]:
+                    doctype += ' PUBLIC "%s"' % token["publicId"]
+                elif token["systemId"]:
+                    doctype += " SYSTEM"
+                if token["systemId"]:
+                    if token["systemId"].find('"') >= 0:
+                        if token["systemId"].find("'") >= 0:
+                            self.serializeError(_("System identifer contains both single and double quote characters"))
+                        quote_char = "'"
+                    else:
+                        quote_char = '"'
+                    doctype += " %s%s%s" % (quote_char, token["systemId"], quote_char)
+
+                doctype += ">"
+                yield self.encodeStrict(doctype)
+
+            elif type in ("Characters", "SpaceCharacters"):
+                if type == "SpaceCharacters" or in_cdata:
+                    if in_cdata and token["data"].find("</") >= 0:
+                        self.serializeError(_("Unexpected </ in CDATA"))
+                    yield self.encode(token["data"])
+                else:
+                    yield self.encode(escape(token["data"]))
+
+            elif type in ("StartTag", "EmptyTag"):
+                name = token["name"]
+                yield self.encodeStrict("<%s" % name)
+                if name in rcdataElements and not self.escape_rcdata:
+                    in_cdata = True
+                elif in_cdata:
+                    self.serializeError(_("Unexpected child element of a CDATA element"))
+                for (attr_namespace, attr_name), attr_value in token["data"].items():
+                    # TODO: Add namespace support here
+                    k = attr_name
+                    v = attr_value
+                    yield self.encodeStrict(' ')
+
+                    yield self.encodeStrict(k)
+                    if not self.minimize_boolean_attributes or \
+                        (k not in booleanAttributes.get(name, tuple())
+                         and k not in booleanAttributes.get("", tuple())):
+                        yield self.encodeStrict("=")
+                        if self.quote_attr_values or not v:
+                            quote_attr = True
+                        else:
+                            quote_attr = reduce(lambda x, y: x or (y in v),
+                                                spaceCharacters + ">\"'=", False)
+                        v = v.replace("&", "&amp;")
+                        if self.escape_lt_in_attrs:
+                            v = v.replace("<", "&lt;")
+                        if quote_attr:
+                            quote_char = self.quote_char
+                            if self.use_best_quote_char:
+                                if "'" in v and '"' not in v:
+                                    quote_char = '"'
+                                elif '"' in v and "'" not in v:
+                                    quote_char = "'"
+                            if quote_char == "'":
+                                v = v.replace("'", "&#39;")
+                            else:
+                                v = v.replace('"', "&quot;")
+                            yield self.encodeStrict(quote_char)
+                            yield self.encode(v)
+                            yield self.encodeStrict(quote_char)
+                        else:
+                            yield self.encode(v)
+                if name in voidElements and self.use_trailing_solidus:
+                    if self.space_before_trailing_solidus:
+                        yield self.encodeStrict(" /")
+                    else:
+                        yield self.encodeStrict("/")
+                yield self.encode(">")
+
+            elif type == "EndTag":
+                name = token["name"]
+                if name in rcdataElements:
+                    in_cdata = False
+                elif in_cdata:
+                    self.serializeError(_("Unexpected child element of a CDATA element"))
+                yield self.encodeStrict("</%s>" % name)
+
+            elif type == "Comment":
+                data = token["data"]
+                if data.find("--") >= 0:
+                    self.serializeError(_("Comment contains --"))
+                yield self.encodeStrict("<!--%s-->" % token["data"])
+
+            elif type == "Entity":
+                name = token["name"]
+                key = name + ";"
+                if key not in entities:
+                    self.serializeError(_("Entity %s not recognized" % name))
+                if self.resolve_entities and key not in xmlEntities:
+                    data = entities[key]
+                else:
+                    data = "&%s;" % name
+                yield self.encodeStrict(data)
+
+            else:
+                self.serializeError(token["data"])
+
+    def render(self, treewalker, encoding=None):
+        if encoding:
+            return b"".join(list(self.serialize(treewalker, encoding)))
+        else:
+            return "".join(list(self.serialize(treewalker)))
+
+    def serializeError(self, data="XXX ERROR MESSAGE NEEDED"):
+        # XXX The idea is to make data mandatory.
+        self.errors.append(data)
+        if self.strict:
+            raise SerializeError
+
+
+def SerializeError(Exception):
+    """Error in serialized tree"""
+    pass
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/README b/testing/web-platform/tests/tools/html5lib/html5lib/tests/README
new file mode 100644
index 000000000..c564b6836
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/README
@@ -0,0 +1 @@
+Each testcase file can be run through nose (using ``nosetests``).
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/__init__.py
new file mode 100644
index 000000000..b8ce2de32
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/__init__.py
@@ -0,0 +1 @@
+from __future__ import absolute_import, division, unicode_literals
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/mockParser.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/mockParser.py
new file mode 100644
index 000000000..ef31527e8
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/mockParser.py
@@ -0,0 +1,41 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import sys
+import os
+
+if __name__ == '__main__':
+    # Allow us to import from the src directory
+    os.chdir(os.path.split(os.path.abspath(__file__))[0])
+    sys.path.insert(0, os.path.abspath(os.path.join(os.pardir, "src")))
+
+from html5lib.tokenizer import HTMLTokenizer
+
+
+class HTMLParser(object):
+    """ Fake parser to test tokenizer output """
+    def parse(self, stream, output=True):
+        tokenizer = HTMLTokenizer(stream)
+        for token in tokenizer:
+            if output:
+                print(token)
+
+if __name__ == "__main__":
+    x = HTMLParser()
+    if len(sys.argv) > 1:
+        if len(sys.argv) > 2:
+            import hotshot
+            import hotshot.stats
+            prof = hotshot.Profile('stats.prof')
+            prof.runcall(x.parse, sys.argv[1], False)
+            prof.close()
+            stats = hotshot.stats.load('stats.prof')
+            stats.strip_dirs()
+            stats.sort_stats('time')
+            stats.print_stats()
+        else:
+            x.parse(sys.argv[1])
+    else:
+        print("""Usage: python mockParser.py filename [stats]
+        If stats is specified the hotshots profiler will run and output the
+        stats instead.
+        """)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/performance/concatenation.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/performance/concatenation.py
new file mode 100644
index 000000000..a1465036e
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/performance/concatenation.py
@@ -0,0 +1,36 @@
+from __future__ import absolute_import, division, unicode_literals
+
+
+def f1():
+    x = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    y = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    z = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    x += y + z
+
+
+def f2():
+    x = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    y = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    z = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    x = x + y + z
+
+
+def f3():
+    x = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    y = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    z = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    x = "".join((x, y, z))
+
+
+def f4():
+    x = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    y = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    z = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    x = "%s%s%s" % (x, y, z)
+
+import timeit
+for x in range(4):
+    statement = "f%s" % (x + 1)
+    t = timeit.Timer(statement, "from __main__ import " + statement)
+    r = t.repeat(3, 1000000)
+    print(r, min(r))
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/support.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/support.py
new file mode 100644
index 000000000..41f2d2a07
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/support.py
@@ -0,0 +1,177 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import os
+import sys
+import codecs
+import glob
+import xml.sax.handler
+
+base_path = os.path.split(__file__)[0]
+
+test_dir = os.path.join(base_path, 'testdata')
+sys.path.insert(0, os.path.abspath(os.path.join(base_path,
+                                                os.path.pardir,
+                                                os.path.pardir)))
+
+from html5lib import treebuilders
+del base_path
+
+# Build a dict of avaliable trees
+treeTypes = {"DOM": treebuilders.getTreeBuilder("dom")}
+
+# Try whatever etree implementations are avaliable from a list that are
+#"supposed" to work
+try:
+    import xml.etree.ElementTree as ElementTree
+    treeTypes['ElementTree'] = treebuilders.getTreeBuilder("etree", ElementTree, fullTree=True)
+except ImportError:
+    try:
+        import elementtree.ElementTree as ElementTree
+        treeTypes['ElementTree'] = treebuilders.getTreeBuilder("etree", ElementTree, fullTree=True)
+    except ImportError:
+        pass
+
+try:
+    import xml.etree.cElementTree as cElementTree
+    treeTypes['cElementTree'] = treebuilders.getTreeBuilder("etree", cElementTree, fullTree=True)
+except ImportError:
+    try:
+        import cElementTree
+        treeTypes['cElementTree'] = treebuilders.getTreeBuilder("etree", cElementTree, fullTree=True)
+    except ImportError:
+        pass
+
+try:
+    import lxml.etree as lxml  # flake8: noqa
+except ImportError:
+    pass
+else:
+    treeTypes['lxml'] = treebuilders.getTreeBuilder("lxml")
+
+
+def get_data_files(subdirectory, files='*.dat'):
+    return glob.glob(os.path.join(test_dir, subdirectory, files))
+
+
+class DefaultDict(dict):
+    def __init__(self, default, *args, **kwargs):
+        self.default = default
+        dict.__init__(self, *args, **kwargs)
+
+    def __getitem__(self, key):
+        return dict.get(self, key, self.default)
+
+
+class TestData(object):
+    def __init__(self, filename, newTestHeading="data", encoding="utf8"):
+        if encoding is None:
+            self.f = open(filename, mode="rb")
+        else:
+            self.f = codecs.open(filename, encoding=encoding)
+        self.encoding = encoding
+        self.newTestHeading = newTestHeading
+
+    def __del__(self):
+        self.f.close()
+
+    def __iter__(self):
+        data = DefaultDict(None)
+        key = None
+        for line in self.f:
+            heading = self.isSectionHeading(line)
+            if heading:
+                if data and heading == self.newTestHeading:
+                    # Remove trailing newline
+                    data[key] = data[key][:-1]
+                    yield self.normaliseOutput(data)
+                    data = DefaultDict(None)
+                key = heading
+                data[key] = "" if self.encoding else b""
+            elif key is not None:
+                data[key] += line
+        if data:
+            yield self.normaliseOutput(data)
+
+    def isSectionHeading(self, line):
+        """If the current heading is a test section heading return the heading,
+        otherwise return False"""
+        # print(line)
+        if line.startswith("#" if self.encoding else b"#"):
+            return line[1:].strip()
+        else:
+            return False
+
+    def normaliseOutput(self, data):
+        # Remove trailing newlines
+        for key, value in data.items():
+            if value.endswith("\n" if self.encoding else b"\n"):
+                data[key] = value[:-1]
+        return data
+
+
+def convert(stripChars):
+    def convertData(data):
+        """convert the output of str(document) to the format used in the testcases"""
+        data = data.split("\n")
+        rv = []
+        for line in data:
+            if line.startswith("|"):
+                rv.append(line[stripChars:])
+            else:
+                rv.append(line)
+        return "\n".join(rv)
+    return convertData
+
+convertExpected = convert(2)
+
+
+def errorMessage(input, expected, actual):
+    msg = ("Input:\n%s\nExpected:\n%s\nRecieved\n%s\n" %
+           (repr(input), repr(expected), repr(actual)))
+    if sys.version_info.major == 2:
+        msg = msg.encode("ascii", "backslashreplace")
+    return msg
+
+
+class TracingSaxHandler(xml.sax.handler.ContentHandler):
+    def __init__(self):
+        xml.sax.handler.ContentHandler.__init__(self)
+        self.visited = []
+
+    def startDocument(self):
+        self.visited.append('startDocument')
+
+    def endDocument(self):
+        self.visited.append('endDocument')
+
+    def startPrefixMapping(self, prefix, uri):
+        # These are ignored as their order is not guaranteed
+        pass
+
+    def endPrefixMapping(self, prefix):
+        # These are ignored as their order is not guaranteed
+        pass
+
+    def startElement(self, name, attrs):
+        self.visited.append(('startElement', name, attrs))
+
+    def endElement(self, name):
+        self.visited.append(('endElement', name))
+
+    def startElementNS(self, name, qname, attrs):
+        self.visited.append(('startElementNS', name, qname, dict(attrs)))
+
+    def endElementNS(self, name, qname):
+        self.visited.append(('endElementNS', name, qname))
+
+    def characters(self, content):
+        self.visited.append(('characters', content))
+
+    def ignorableWhitespace(self, whitespace):
+        self.visited.append(('ignorableWhitespace', whitespace))
+
+    def processingInstruction(self, target, data):
+        self.visited.append(('processingInstruction', target, data))
+
+    def skippedEntity(self, name):
+        self.visited.append(('skippedEntity', name))
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_encoding.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_encoding.py
new file mode 100644
index 000000000..d774ce0f6
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_encoding.py
@@ -0,0 +1,67 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import os
+import unittest
+
+try:
+    unittest.TestCase.assertEqual
+except AttributeError:
+    unittest.TestCase.assertEqual = unittest.TestCase.assertEquals
+
+from .support import get_data_files, TestData, test_dir, errorMessage
+from html5lib import HTMLParser, inputstream
+
+
+class Html5EncodingTestCase(unittest.TestCase):
+    def test_codec_name_a(self):
+        self.assertEqual(inputstream.codecName("utf-8"), "utf-8")
+
+    def test_codec_name_b(self):
+        self.assertEqual(inputstream.codecName("utf8"), "utf-8")
+
+    def test_codec_name_c(self):
+        self.assertEqual(inputstream.codecName("  utf8  "), "utf-8")
+
+    def test_codec_name_d(self):
+        self.assertEqual(inputstream.codecName("ISO_8859--1"), "windows-1252")
+
+
+def runParserEncodingTest(data, encoding):
+    p = HTMLParser()
+    assert p.documentEncoding is None
+    p.parse(data, useChardet=False)
+    encoding = encoding.lower().decode("ascii")
+
+    assert encoding == p.documentEncoding, errorMessage(data, encoding, p.documentEncoding)
+
+
+def runPreScanEncodingTest(data, encoding):
+    stream = inputstream.HTMLBinaryInputStream(data, chardet=False)
+    encoding = encoding.lower().decode("ascii")
+
+    # Very crude way to ignore irrelevant tests
+    if len(data) > stream.numBytesMeta:
+        return
+
+    assert encoding == stream.charEncoding[0], errorMessage(data, encoding, stream.charEncoding[0])
+
+
+def test_encoding():
+    for filename in get_data_files("encoding"):
+        tests = TestData(filename, b"data", encoding=None)
+        for idx, test in enumerate(tests):
+            yield (runParserEncodingTest, test[b'data'], test[b'encoding'])
+            yield (runPreScanEncodingTest, test[b'data'], test[b'encoding'])
+
+try:
+    try:
+        import charade  # flake8: noqa
+    except ImportError:
+        import chardet  # flake8: noqa
+except ImportError:
+    print("charade/chardet not found, skipping chardet tests")
+else:
+    def test_chardet():
+        with open(os.path.join(test_dir, "encoding" , "chardet", "test_big5.txt"), "rb") as fp:
+            encoding = inputstream.HTMLInputStream(fp.read()).charEncoding
+            assert encoding[0].lower() == "big5"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_parser.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_parser.py
new file mode 100644
index 000000000..230cdb42d
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_parser.py
@@ -0,0 +1,96 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import os
+import sys
+import traceback
+import warnings
+import re
+
+warnings.simplefilter("error")
+
+from .support import get_data_files
+from .support import TestData, convert, convertExpected, treeTypes
+from html5lib import html5parser, constants
+
+# Run the parse error checks
+checkParseErrors = False
+
+# XXX - There should just be one function here but for some reason the testcase
+# format differs from the treedump format by a single space character
+
+
+def convertTreeDump(data):
+    return "\n".join(convert(3)(data).split("\n")[1:])
+
+namespaceExpected = re.compile(r"^(\s*)<(\S+)>", re.M).sub
+
+
+def runParserTest(innerHTML, input, expected, errors, treeClass,
+                  namespaceHTMLElements):
+    with warnings.catch_warnings(record=True) as caughtWarnings:
+        warnings.simplefilter("always")
+        p = html5parser.HTMLParser(tree=treeClass,
+                                   namespaceHTMLElements=namespaceHTMLElements)
+
+        try:
+            if innerHTML:
+                document = p.parseFragment(input, innerHTML)
+            else:
+                document = p.parse(input)
+        except:
+            errorMsg = "\n".join(["\n\nInput:", input, "\nExpected:", expected,
+                                  "\nTraceback:", traceback.format_exc()])
+            assert False, errorMsg
+
+    otherWarnings = [x for x in caughtWarnings
+                     if not issubclass(x.category, constants.DataLossWarning)]
+    assert len(otherWarnings) == 0, [(x.category, x.message) for x in otherWarnings]
+    if len(caughtWarnings):
+        return
+
+    output = convertTreeDump(p.tree.testSerializer(document))
+
+    expected = convertExpected(expected)
+    if namespaceHTMLElements:
+        expected = namespaceExpected(r"\1<html \2>", expected)
+
+    errorMsg = "\n".join(["\n\nInput:", input, "\nExpected:", expected,
+                          "\nReceived:", output])
+    assert expected == output, errorMsg
+
+    errStr = []
+    for (line, col), errorcode, datavars in p.errors:
+        assert isinstance(datavars, dict), "%s, %s" % (errorcode, repr(datavars))
+        errStr.append("Line: %i Col: %i %s" % (line, col,
+                                               constants.E[errorcode] % datavars))
+
+    errorMsg2 = "\n".join(["\n\nInput:", input,
+                           "\nExpected errors (" + str(len(errors)) + "):\n" + "\n".join(errors),
+                           "\nActual errors (" + str(len(p.errors)) + "):\n" + "\n".join(errStr)])
+    if checkParseErrors:
+            assert len(p.errors) == len(errors), errorMsg2
+
+
+def test_parser():
+    sys.stderr.write('Testing tree builders ' + " ".join(list(treeTypes.keys())) + "\n")
+    files = get_data_files('tree-construction')
+
+    for filename in files:
+        testName = os.path.basename(filename).replace(".dat", "")
+        if testName in ("template",):
+            continue
+
+        tests = TestData(filename, "data")
+
+        for index, test in enumerate(tests):
+            input, errors, innerHTML, expected = [test[key] for key in
+                                                  ('data', 'errors',
+                                                   'document-fragment',
+                                                   'document')]
+            if errors:
+                errors = errors.split("\n")
+
+            for treeName, treeCls in treeTypes.items():
+                for namespaceHTMLElements in (True, False):
+                    yield (runParserTest, innerHTML, input, expected, errors, treeCls,
+                           namespaceHTMLElements)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_parser2.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_parser2.py
new file mode 100644
index 000000000..20bbdf317
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_parser2.py
@@ -0,0 +1,64 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import io
+
+from . import support  # flake8: noqa
+from html5lib import html5parser
+from html5lib.constants import namespaces
+from html5lib import treebuilders
+
+import unittest
+
+# tests that aren't autogenerated from text files
+
+
+class MoreParserTests(unittest.TestCase):
+
+    def setUp(self):
+        self.dom_tree = treebuilders.getTreeBuilder("dom")
+
+    def test_assertDoctypeCloneable(self):
+        parser = html5parser.HTMLParser(tree=self.dom_tree)
+        doc = parser.parse('<!DOCTYPE HTML>')
+        self.assertTrue(doc.cloneNode(True))
+
+    def test_line_counter(self):
+        # http://groups.google.com/group/html5lib-discuss/browse_frm/thread/f4f00e4a2f26d5c0
+        parser = html5parser.HTMLParser(tree=self.dom_tree)
+        parser.parse("<pre>\nx\n&gt;\n</pre>")
+
+    def test_namespace_html_elements_0_dom(self):
+        parser = html5parser.HTMLParser(tree=self.dom_tree, namespaceHTMLElements=True)
+        doc = parser.parse("<html></html>")
+        self.assertTrue(doc.childNodes[0].namespaceURI == namespaces["html"])
+
+    def test_namespace_html_elements_1_dom(self):
+        parser = html5parser.HTMLParser(tree=self.dom_tree, namespaceHTMLElements=False)
+        doc = parser.parse("<html></html>")
+        self.assertTrue(doc.childNodes[0].namespaceURI is None)
+
+    def test_namespace_html_elements_0_etree(self):
+        parser = html5parser.HTMLParser(namespaceHTMLElements=True)
+        doc = parser.parse("<html></html>")
+        self.assertTrue(list(doc)[0].tag == "{%s}html" % (namespaces["html"],))
+
+    def test_namespace_html_elements_1_etree(self):
+        parser = html5parser.HTMLParser(namespaceHTMLElements=False)
+        doc = parser.parse("<html></html>")
+        self.assertTrue(list(doc)[0].tag == "html")
+
+    def test_unicode_file(self):
+        parser = html5parser.HTMLParser()
+        parser.parse(io.StringIO("a"))
+
+
+def buildTestSuite():
+    return unittest.defaultTestLoader.loadTestsFromName(__name__)
+
+
+def main():
+    buildTestSuite()
+    unittest.main()
+
+if __name__ == '__main__':
+    main()
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_sanitizer.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_sanitizer.py
new file mode 100644
index 000000000..1cc687dfc
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_sanitizer.py
@@ -0,0 +1,105 @@
+from __future__ import absolute_import, division, unicode_literals
+
+try:
+    import json
+except ImportError:
+    import simplejson as json
+
+from html5lib import html5parser, sanitizer, constants, treebuilders
+
+
+def toxmlFactory():
+    tree = treebuilders.getTreeBuilder("etree")
+
+    def toxml(element):
+        # encode/decode roundtrip required for Python 2.6 compatibility
+        result_bytes = tree.implementation.tostring(element, encoding="utf-8")
+        return result_bytes.decode("utf-8")
+
+    return toxml
+
+
+def runSanitizerTest(name, expected, input, toxml=None):
+    if toxml is None:
+        toxml = toxmlFactory()
+    expected = ''.join([toxml(token) for token in html5parser.HTMLParser().
+                        parseFragment(expected)])
+    expected = json.loads(json.dumps(expected))
+    assert expected == sanitize_html(input)
+
+
+def sanitize_html(stream, toxml=None):
+    if toxml is None:
+        toxml = toxmlFactory()
+    return ''.join([toxml(token) for token in
+                    html5parser.HTMLParser(tokenizer=sanitizer.HTMLSanitizer).
+                    parseFragment(stream)])
+
+
+def test_should_handle_astral_plane_characters():
+    assert '<html:p xmlns:html="http://www.w3.org/1999/xhtml">\U0001d4b5 \U0001d538</html:p>' == sanitize_html("<p>&#x1d4b5; &#x1d538;</p>")
+
+
+def test_sanitizer():
+    toxml = toxmlFactory()
+    for tag_name in sanitizer.HTMLSanitizer.allowed_elements:
+        if tag_name in ['caption', 'col', 'colgroup', 'optgroup', 'option', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'tr']:
+            continue  # TODO
+        if tag_name != tag_name.lower():
+            continue  # TODO
+        if tag_name == 'image':
+            yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
+                   "<img title=\"1\"/>foo &lt;bad&gt;bar&lt;/bad&gt; baz",
+                   "<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name, tag_name),
+                   toxml)
+        elif tag_name == 'br':
+            yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
+                   "<br title=\"1\"/>foo &lt;bad&gt;bar&lt;/bad&gt; baz<br/>",
+                   "<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name, tag_name),
+                   toxml)
+        elif tag_name in constants.voidElements:
+            yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
+                   "<%s title=\"1\"/>foo &lt;bad&gt;bar&lt;/bad&gt; baz" % tag_name,
+                   "<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name, tag_name),
+                   toxml)
+        else:
+            yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
+                   "<%s title=\"1\">foo &lt;bad&gt;bar&lt;/bad&gt; baz</%s>" % (tag_name, tag_name),
+                   "<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name, tag_name),
+                   toxml)
+
+    for tag_name in sanitizer.HTMLSanitizer.allowed_elements:
+        tag_name = tag_name.upper()
+        yield (runSanitizerTest, "test_should_forbid_%s_tag" % tag_name,
+               "&lt;%s title=\"1\"&gt;foo &lt;bad&gt;bar&lt;/bad&gt; baz&lt;/%s&gt;" % (tag_name, tag_name),
+               "<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name, tag_name),
+               toxml)
+
+    for attribute_name in sanitizer.HTMLSanitizer.allowed_attributes:
+        if attribute_name != attribute_name.lower():
+            continue  # TODO
+        if attribute_name == 'style':
+            continue
+        yield (runSanitizerTest, "test_should_allow_%s_attribute" % attribute_name,
+               "<p %s=\"foo\">foo &lt;bad&gt;bar&lt;/bad&gt; baz</p>" % attribute_name,
+               "<p %s='foo'>foo <bad>bar</bad> baz</p>" % attribute_name,
+               toxml)
+
+    for attribute_name in sanitizer.HTMLSanitizer.allowed_attributes:
+        attribute_name = attribute_name.upper()
+        yield (runSanitizerTest, "test_should_forbid_%s_attribute" % attribute_name,
+               "<p>foo &lt;bad&gt;bar&lt;/bad&gt; baz</p>",
+               "<p %s='display: none;'>foo <bad>bar</bad> baz</p>" % attribute_name,
+               toxml)
+
+    for protocol in sanitizer.HTMLSanitizer.allowed_protocols:
+        yield (runSanitizerTest, "test_should_allow_%s_uris" % protocol,
+               "<a href=\"%s\">foo</a>" % protocol,
+               """<a href="%s">foo</a>""" % protocol,
+               toxml)
+
+    for protocol in sanitizer.HTMLSanitizer.allowed_protocols:
+        yield (runSanitizerTest, "test_should_allow_uppercase_%s_uris" % protocol,
+               "<a href=\"%s\">foo</a>" % protocol,
+               """<a href="%s">foo</a>""" % protocol,
+               toxml)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_serializer.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_serializer.py
new file mode 100644
index 000000000..3c37feff7
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_serializer.py
@@ -0,0 +1,178 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import json
+import unittest
+
+from .support import get_data_files
+
+try:
+    unittest.TestCase.assertEqual
+except AttributeError:
+    unittest.TestCase.assertEqual = unittest.TestCase.assertEquals
+
+import html5lib
+from html5lib import constants
+from html5lib.serializer import HTMLSerializer, serialize
+from html5lib.treewalkers._base import TreeWalker
+
+optionals_loaded = []
+
+try:
+    from lxml import etree
+    optionals_loaded.append("lxml")
+except ImportError:
+    pass
+
+default_namespace = constants.namespaces["html"]
+
+
+class JsonWalker(TreeWalker):
+    def __iter__(self):
+        for token in self.tree:
+            type = token[0]
+            if type == "StartTag":
+                if len(token) == 4:
+                    namespace, name, attrib = token[1:4]
+                else:
+                    namespace = default_namespace
+                    name, attrib = token[1:3]
+                yield self.startTag(namespace, name, self._convertAttrib(attrib))
+            elif type == "EndTag":
+                if len(token) == 3:
+                    namespace, name = token[1:3]
+                else:
+                    namespace = default_namespace
+                    name = token[1]
+                yield self.endTag(namespace, name)
+            elif type == "EmptyTag":
+                if len(token) == 4:
+                    namespace, name, attrib = token[1:]
+                else:
+                    namespace = default_namespace
+                    name, attrib = token[1:]
+                for token in self.emptyTag(namespace, name, self._convertAttrib(attrib)):
+                    yield token
+            elif type == "Comment":
+                yield self.comment(token[1])
+            elif type in ("Characters", "SpaceCharacters"):
+                for token in self.text(token[1]):
+                    yield token
+            elif type == "Doctype":
+                if len(token) == 4:
+                    yield self.doctype(token[1], token[2], token[3])
+                elif len(token) == 3:
+                    yield self.doctype(token[1], token[2])
+                else:
+                    yield self.doctype(token[1])
+            else:
+                raise ValueError("Unknown token type: " + type)
+
+    def _convertAttrib(self, attribs):
+        """html5lib tree-walkers use a dict of (namespace, name): value for
+        attributes, but JSON cannot represent this. Convert from the format
+        in the serializer tests (a list of dicts with "namespace", "name",
+        and "value" as keys) to html5lib's tree-walker format."""
+        attrs = {}
+        for attrib in attribs:
+            name = (attrib["namespace"], attrib["name"])
+            assert(name not in attrs)
+            attrs[name] = attrib["value"]
+        return attrs
+
+
+def serialize_html(input, options):
+    options = dict([(str(k), v) for k, v in options.items()])
+    stream = JsonWalker(input)
+    serializer = HTMLSerializer(alphabetical_attributes=True, **options)
+    return serializer.render(stream, options.get("encoding", None))
+
+
+def runSerializerTest(input, expected, options):
+    encoding = options.get("encoding", None)
+
+    if encoding:
+        encode = lambda x: x.encode(encoding)
+        expected = list(map(encode, expected))
+
+    result = serialize_html(input, options)
+    if len(expected) == 1:
+        assert expected[0] == result, "Expected:\n%s\nActual:\n%s\nOptions:\n%s" % (expected[0], result, str(options))
+    elif result not in expected:
+        assert False, "Expected: %s, Received: %s" % (expected, result)
+
+
+class EncodingTestCase(unittest.TestCase):
+    def throwsWithLatin1(self, input):
+        self.assertRaises(UnicodeEncodeError, serialize_html, input, {"encoding": "iso-8859-1"})
+
+    def testDoctypeName(self):
+        self.throwsWithLatin1([["Doctype", "\u0101"]])
+
+    def testDoctypePublicId(self):
+        self.throwsWithLatin1([["Doctype", "potato", "\u0101"]])
+
+    def testDoctypeSystemId(self):
+        self.throwsWithLatin1([["Doctype", "potato", "potato", "\u0101"]])
+
+    def testCdataCharacters(self):
+        runSerializerTest([["StartTag", "http://www.w3.org/1999/xhtml", "style", {}], ["Characters", "\u0101"]],
+                          ["<style>&amacr;"], {"encoding": "iso-8859-1"})
+
+    def testCharacters(self):
+        runSerializerTest([["Characters", "\u0101"]],
+                          ["&amacr;"], {"encoding": "iso-8859-1"})
+
+    def testStartTagName(self):
+        self.throwsWithLatin1([["StartTag", "http://www.w3.org/1999/xhtml", "\u0101", []]])
+
+    def testEmptyTagName(self):
+        self.throwsWithLatin1([["EmptyTag", "http://www.w3.org/1999/xhtml", "\u0101", []]])
+
+    def testAttributeName(self):
+        self.throwsWithLatin1([["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": None, "name": "\u0101", "value": "potato"}]]])
+
+    def testAttributeValue(self):
+        runSerializerTest([["StartTag", "http://www.w3.org/1999/xhtml", "span",
+                            [{"namespace": None, "name": "potato", "value": "\u0101"}]]],
+                          ["<span potato=&amacr;>"], {"encoding": "iso-8859-1"})
+
+    def testEndTagName(self):
+        self.throwsWithLatin1([["EndTag", "http://www.w3.org/1999/xhtml", "\u0101"]])
+
+    def testComment(self):
+        self.throwsWithLatin1([["Comment", "\u0101"]])
+
+
+if "lxml" in optionals_loaded:
+    class LxmlTestCase(unittest.TestCase):
+        def setUp(self):
+            self.parser = etree.XMLParser(resolve_entities=False)
+            self.treewalker = html5lib.getTreeWalker("lxml")
+            self.serializer = HTMLSerializer()
+
+        def testEntityReplacement(self):
+            doc = """<!DOCTYPE html SYSTEM "about:legacy-compat"><html>&beta;</html>"""
+            tree = etree.fromstring(doc, parser=self.parser).getroottree()
+            result = serialize(tree, tree="lxml", omit_optional_tags=False)
+            self.assertEqual("""<!DOCTYPE html SYSTEM "about:legacy-compat"><html>\u03B2</html>""", result)
+
+        def testEntityXML(self):
+            doc = """<!DOCTYPE html SYSTEM "about:legacy-compat"><html>&gt;</html>"""
+            tree = etree.fromstring(doc, parser=self.parser).getroottree()
+            result = serialize(tree, tree="lxml", omit_optional_tags=False)
+            self.assertEqual("""<!DOCTYPE html SYSTEM "about:legacy-compat"><html>&gt;</html>""", result)
+
+        def testEntityNoResolve(self):
+            doc = """<!DOCTYPE html SYSTEM "about:legacy-compat"><html>&beta;</html>"""
+            tree = etree.fromstring(doc, parser=self.parser).getroottree()
+            result = serialize(tree, tree="lxml", omit_optional_tags=False,
+                                          resolve_entities=False)
+            self.assertEqual("""<!DOCTYPE html SYSTEM "about:legacy-compat"><html>&beta;</html>""", result)
+
+
+def test_serializer():
+    for filename in get_data_files('serializer', '*.test'):
+        with open(filename) as fp:
+            tests = json.load(fp)
+            for index, test in enumerate(tests['tests']):
+                yield runSerializerTest, test["input"], test["expected"], test.get("options", {})
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_stream.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_stream.py
new file mode 100644
index 000000000..2a876c1db
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_stream.py
@@ -0,0 +1,183 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from . import support  # flake8: noqa
+import unittest
+import codecs
+from io import BytesIO
+
+from six.moves import http_client
+
+from html5lib.inputstream import (BufferedStream, HTMLInputStream,
+                                  HTMLUnicodeInputStream, HTMLBinaryInputStream)
+
+class BufferedStreamTest(unittest.TestCase):
+    def test_basic(self):
+        s = b"abc"
+        fp = BufferedStream(BytesIO(s))
+        read = fp.read(10)
+        assert read == s
+
+    def test_read_length(self):
+        fp = BufferedStream(BytesIO(b"abcdef"))
+        read1 = fp.read(1)
+        assert read1 == b"a"
+        read2 = fp.read(2)
+        assert read2 == b"bc"
+        read3 = fp.read(3)
+        assert read3 == b"def"
+        read4 = fp.read(4)
+        assert read4 == b""
+
+    def test_tell(self):
+        fp = BufferedStream(BytesIO(b"abcdef"))
+        read1 = fp.read(1)
+        assert fp.tell() == 1
+        read2 = fp.read(2)
+        assert fp.tell() == 3
+        read3 = fp.read(3)
+        assert fp.tell() == 6
+        read4 = fp.read(4)
+        assert fp.tell() == 6
+
+    def test_seek(self):
+        fp = BufferedStream(BytesIO(b"abcdef"))
+        read1 = fp.read(1)
+        assert read1 == b"a"
+        fp.seek(0)
+        read2 = fp.read(1)
+        assert read2 == b"a"
+        read3 = fp.read(2)
+        assert read3 == b"bc"
+        fp.seek(2)
+        read4 = fp.read(2)
+        assert read4 == b"cd"
+        fp.seek(4)
+        read5 = fp.read(2)
+        assert read5 == b"ef"
+
+    def test_seek_tell(self):
+        fp = BufferedStream(BytesIO(b"abcdef"))
+        read1 = fp.read(1)
+        assert fp.tell() == 1
+        fp.seek(0)
+        read2 = fp.read(1)
+        assert fp.tell() == 1
+        read3 = fp.read(2)
+        assert fp.tell() == 3
+        fp.seek(2)
+        read4 = fp.read(2)
+        assert fp.tell() == 4
+        fp.seek(4)
+        read5 = fp.read(2)
+        assert fp.tell() == 6
+
+
+class HTMLUnicodeInputStreamShortChunk(HTMLUnicodeInputStream):
+    _defaultChunkSize = 2
+
+
+class HTMLBinaryInputStreamShortChunk(HTMLBinaryInputStream):
+    _defaultChunkSize = 2
+
+
+class HTMLInputStreamTest(unittest.TestCase):
+
+    def test_char_ascii(self):
+        stream = HTMLInputStream(b"'", encoding='ascii')
+        self.assertEqual(stream.charEncoding[0], 'ascii')
+        self.assertEqual(stream.char(), "'")
+
+    def test_char_utf8(self):
+        stream = HTMLInputStream('\u2018'.encode('utf-8'), encoding='utf-8')
+        self.assertEqual(stream.charEncoding[0], 'utf-8')
+        self.assertEqual(stream.char(), '\u2018')
+
+    def test_char_win1252(self):
+        stream = HTMLInputStream("\xa9\xf1\u2019".encode('windows-1252'))
+        self.assertEqual(stream.charEncoding[0], 'windows-1252')
+        self.assertEqual(stream.char(), "\xa9")
+        self.assertEqual(stream.char(), "\xf1")
+        self.assertEqual(stream.char(), "\u2019")
+
+    def test_bom(self):
+        stream = HTMLInputStream(codecs.BOM_UTF8 + b"'")
+        self.assertEqual(stream.charEncoding[0], 'utf-8')
+        self.assertEqual(stream.char(), "'")
+
+    def test_utf_16(self):
+        stream = HTMLInputStream((' ' * 1025).encode('utf-16'))
+        self.assertTrue(stream.charEncoding[0] in ['utf-16-le', 'utf-16-be'], stream.charEncoding)
+        self.assertEqual(len(stream.charsUntil(' ', True)), 1025)
+
+    def test_newlines(self):
+        stream = HTMLBinaryInputStreamShortChunk(codecs.BOM_UTF8 + b"a\nbb\r\nccc\rddddxe")
+        self.assertEqual(stream.position(), (1, 0))
+        self.assertEqual(stream.charsUntil('c'), "a\nbb\n")
+        self.assertEqual(stream.position(), (3, 0))
+        self.assertEqual(stream.charsUntil('x'), "ccc\ndddd")
+        self.assertEqual(stream.position(), (4, 4))
+        self.assertEqual(stream.charsUntil('e'), "x")
+        self.assertEqual(stream.position(), (4, 5))
+
+    def test_newlines2(self):
+        size = HTMLUnicodeInputStream._defaultChunkSize
+        stream = HTMLInputStream("\r" * size + "\n")
+        self.assertEqual(stream.charsUntil('x'), "\n" * size)
+
+    def test_position(self):
+        stream = HTMLBinaryInputStreamShortChunk(codecs.BOM_UTF8 + b"a\nbb\nccc\nddde\nf\ngh")
+        self.assertEqual(stream.position(), (1, 0))
+        self.assertEqual(stream.charsUntil('c'), "a\nbb\n")
+        self.assertEqual(stream.position(), (3, 0))
+        stream.unget("\n")
+        self.assertEqual(stream.position(), (2, 2))
+        self.assertEqual(stream.charsUntil('c'), "\n")
+        self.assertEqual(stream.position(), (3, 0))
+        stream.unget("\n")
+        self.assertEqual(stream.position(), (2, 2))
+        self.assertEqual(stream.char(), "\n")
+        self.assertEqual(stream.position(), (3, 0))
+        self.assertEqual(stream.charsUntil('e'), "ccc\nddd")
+        self.assertEqual(stream.position(), (4, 3))
+        self.assertEqual(stream.charsUntil('h'), "e\nf\ng")
+        self.assertEqual(stream.position(), (6, 1))
+
+    def test_position2(self):
+        stream = HTMLUnicodeInputStreamShortChunk("abc\nd")
+        self.assertEqual(stream.position(), (1, 0))
+        self.assertEqual(stream.char(), "a")
+        self.assertEqual(stream.position(), (1, 1))
+        self.assertEqual(stream.char(), "b")
+        self.assertEqual(stream.position(), (1, 2))
+        self.assertEqual(stream.char(), "c")
+        self.assertEqual(stream.position(), (1, 3))
+        self.assertEqual(stream.char(), "\n")
+        self.assertEqual(stream.position(), (2, 0))
+        self.assertEqual(stream.char(), "d")
+        self.assertEqual(stream.position(), (2, 1))
+
+    def test_python_issue_20007(self):
+        """
+        Make sure we have a work-around for Python bug #20007
+        http://bugs.python.org/issue20007
+        """
+        class FakeSocket(object):
+            def makefile(self, _mode, _bufsize=None):
+                return BytesIO(b"HTTP/1.1 200 Ok\r\n\r\nText")
+
+        source = http_client.HTTPResponse(FakeSocket())
+        source.begin()
+        stream = HTMLInputStream(source)
+        self.assertEqual(stream.charsUntil(" "), "Text")
+
+
+def buildTestSuite():
+    return unittest.defaultTestLoader.loadTestsFromName(__name__)
+
+
+def main():
+    buildTestSuite()
+    unittest.main()
+
+if __name__ == '__main__':
+    main()
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_tokenizer.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_tokenizer.py
new file mode 100644
index 000000000..90315ab35
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_tokenizer.py
@@ -0,0 +1,188 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import json
+import warnings
+import re
+
+from .support import get_data_files
+
+from html5lib.tokenizer import HTMLTokenizer
+from html5lib import constants
+
+
+class TokenizerTestParser(object):
+    def __init__(self, initialState, lastStartTag=None):
+        self.tokenizer = HTMLTokenizer
+        self._state = initialState
+        self._lastStartTag = lastStartTag
+
+    def parse(self, stream, encoding=None, innerHTML=False):
+        tokenizer = self.tokenizer(stream, encoding)
+        self.outputTokens = []
+
+        tokenizer.state = getattr(tokenizer, self._state)
+        if self._lastStartTag is not None:
+            tokenizer.currentToken = {"type": "startTag",
+                                      "name": self._lastStartTag}
+
+        types = dict((v, k) for k, v in constants.tokenTypes.items())
+        for token in tokenizer:
+            getattr(self, 'process%s' % types[token["type"]])(token)
+
+        return self.outputTokens
+
+    def processDoctype(self, token):
+        self.outputTokens.append(["DOCTYPE", token["name"], token["publicId"],
+                                  token["systemId"], token["correct"]])
+
+    def processStartTag(self, token):
+        self.outputTokens.append(["StartTag", token["name"],
+                                  dict(token["data"][::-1]), token["selfClosing"]])
+
+    def processEmptyTag(self, token):
+        if token["name"] not in constants.voidElements:
+            self.outputTokens.append("ParseError")
+        self.outputTokens.append(["StartTag", token["name"], dict(token["data"][::-1])])
+
+    def processEndTag(self, token):
+        self.outputTokens.append(["EndTag", token["name"],
+                                  token["selfClosing"]])
+
+    def processComment(self, token):
+        self.outputTokens.append(["Comment", token["data"]])
+
+    def processSpaceCharacters(self, token):
+        self.outputTokens.append(["Character", token["data"]])
+        self.processSpaceCharacters = self.processCharacters
+
+    def processCharacters(self, token):
+        self.outputTokens.append(["Character", token["data"]])
+
+    def processEOF(self, token):
+        pass
+
+    def processParseError(self, token):
+        self.outputTokens.append(["ParseError", token["data"]])
+
+
+def concatenateCharacterTokens(tokens):
+    outputTokens = []
+    for token in tokens:
+        if "ParseError" not in token and token[0] == "Character":
+            if (outputTokens and "ParseError" not in outputTokens[-1] and
+                    outputTokens[-1][0] == "Character"):
+                outputTokens[-1][1] += token[1]
+            else:
+                outputTokens.append(token)
+        else:
+            outputTokens.append(token)
+    return outputTokens
+
+
+def normalizeTokens(tokens):
+    # TODO: convert tests to reflect arrays
+    for i, token in enumerate(tokens):
+        if token[0] == 'ParseError':
+            tokens[i] = token[0]
+    return tokens
+
+
+def tokensMatch(expectedTokens, receivedTokens, ignoreErrorOrder,
+                ignoreErrors=False):
+    """Test whether the test has passed or failed
+
+    If the ignoreErrorOrder flag is set to true we don't test the relative
+    positions of parse errors and non parse errors
+    """
+    checkSelfClosing = False
+    for token in expectedTokens:
+        if (token[0] == "StartTag" and len(token) == 4
+                or token[0] == "EndTag" and len(token) == 3):
+            checkSelfClosing = True
+            break
+
+    if not checkSelfClosing:
+        for token in receivedTokens:
+            if token[0] == "StartTag" or token[0] == "EndTag":
+                token.pop()
+
+    if not ignoreErrorOrder and not ignoreErrors:
+        return expectedTokens == receivedTokens
+    else:
+        # Sort the tokens into two groups; non-parse errors and parse errors
+        tokens = {"expected": [[], []], "received": [[], []]}
+        for tokenType, tokenList in zip(list(tokens.keys()),
+                                        (expectedTokens, receivedTokens)):
+            for token in tokenList:
+                if token != "ParseError":
+                    tokens[tokenType][0].append(token)
+                else:
+                    if not ignoreErrors:
+                        tokens[tokenType][1].append(token)
+        return tokens["expected"] == tokens["received"]
+
+
+def unescape(test):
+    def decode(inp):
+        return inp.encode("utf-8").decode("unicode-escape")
+
+    test["input"] = decode(test["input"])
+    for token in test["output"]:
+        if token == "ParseError":
+            continue
+        else:
+            token[1] = decode(token[1])
+            if len(token) > 2:
+                for key, value in token[2]:
+                    del token[2][key]
+                    token[2][decode(key)] = decode(value)
+    return test
+
+
+def runTokenizerTest(test):
+    warnings.resetwarnings()
+    warnings.simplefilter("error")
+
+    expected = concatenateCharacterTokens(test['output'])
+    if 'lastStartTag' not in test:
+        test['lastStartTag'] = None
+    parser = TokenizerTestParser(test['initialState'],
+                                 test['lastStartTag'])
+    tokens = parser.parse(test['input'])
+    tokens = concatenateCharacterTokens(tokens)
+    received = normalizeTokens(tokens)
+    errorMsg = "\n".join(["\n\nInitial state:",
+                          test['initialState'],
+                          "\nInput:", test['input'],
+                          "\nExpected:", repr(expected),
+                          "\nreceived:", repr(tokens)])
+    errorMsg = errorMsg
+    ignoreErrorOrder = test.get('ignoreErrorOrder', False)
+    assert tokensMatch(expected, received, ignoreErrorOrder, True), errorMsg
+
+
+def _doCapitalize(match):
+    return match.group(1).upper()
+
+_capitalizeRe = re.compile(r"\W+(\w)").sub
+
+
+def capitalize(s):
+    s = s.lower()
+    s = _capitalizeRe(_doCapitalize, s)
+    return s
+
+
+def testTokenizer():
+    for filename in get_data_files('tokenizer', '*.test'):
+        with open(filename) as fp:
+            tests = json.load(fp)
+            if 'tests' in tests:
+                for index, test in enumerate(tests['tests']):
+                    if 'initialStates' not in test:
+                        test["initialStates"] = ["Data state"]
+                    if 'doubleEscaped' in test:
+                        test = unescape(test)
+                    for initialState in test["initialStates"]:
+                        test["initialState"] = capitalize(initialState)
+                        yield runTokenizerTest, test
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_treeadapters.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_treeadapters.py
new file mode 100644
index 000000000..5f38b6c33
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_treeadapters.py
@@ -0,0 +1,40 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from . import support  # flake8: noqa
+
+import html5lib
+from html5lib.treeadapters import sax
+from html5lib.treewalkers import getTreeWalker
+
+
+def test_to_sax():
+    handler = support.TracingSaxHandler()
+    tree = html5lib.parse("""<html xml:lang="en">
+        <title>Directory Listing</title>
+        <a href="/"><b/></p>
+    """, treebuilder="etree")
+    walker = getTreeWalker("etree")
+    sax.to_sax(walker(tree), handler)
+    expected = [
+        'startDocument',
+        ('startElementNS', ('http://www.w3.org/1999/xhtml', 'html'),
+            'html', {(None, 'xml:lang'): 'en'}),
+        ('startElementNS', ('http://www.w3.org/1999/xhtml', 'head'), 'head', {}),
+        ('startElementNS', ('http://www.w3.org/1999/xhtml', 'title'), 'title', {}),
+        ('characters', 'Directory Listing'),
+        ('endElementNS', ('http://www.w3.org/1999/xhtml', 'title'), 'title'),
+        ('characters', '\n        '),
+        ('endElementNS', ('http://www.w3.org/1999/xhtml', 'head'), 'head'),
+        ('startElementNS',  ('http://www.w3.org/1999/xhtml', 'body'), 'body', {}),
+        ('startElementNS', ('http://www.w3.org/1999/xhtml', 'a'), 'a', {(None, 'href'): '/'}),
+        ('startElementNS', ('http://www.w3.org/1999/xhtml', 'b'), 'b', {}),
+        ('startElementNS', ('http://www.w3.org/1999/xhtml', 'p'), 'p', {}),
+        ('endElementNS', ('http://www.w3.org/1999/xhtml', 'p'), 'p'),
+        ('characters', '\n    '),
+        ('endElementNS', ('http://www.w3.org/1999/xhtml', 'b'), 'b'),
+        ('endElementNS', ('http://www.w3.org/1999/xhtml', 'a'), 'a'),
+        ('endElementNS', ('http://www.w3.org/1999/xhtml', 'body'), 'body'),
+        ('endElementNS', ('http://www.w3.org/1999/xhtml', 'html'), 'html'),
+        'endDocument',
+    ]
+    assert expected == handler.visited
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_treewalkers.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_treewalkers.py
new file mode 100644
index 000000000..b7756035c
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_treewalkers.py
@@ -0,0 +1,353 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import os
+import sys
+import unittest
+import warnings
+from difflib import unified_diff
+
+try:
+    unittest.TestCase.assertEqual
+except AttributeError:
+    unittest.TestCase.assertEqual = unittest.TestCase.assertEquals
+
+from .support import get_data_files, TestData, convertExpected
+
+from html5lib import html5parser, treewalkers, treebuilders, constants
+
+
+def PullDOMAdapter(node):
+    from xml.dom import Node
+    from xml.dom.pulldom import START_ELEMENT, END_ELEMENT, COMMENT, CHARACTERS
+
+    if node.nodeType in (Node.DOCUMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE):
+        for childNode in node.childNodes:
+            for event in PullDOMAdapter(childNode):
+                yield event
+
+    elif node.nodeType == Node.DOCUMENT_TYPE_NODE:
+        raise NotImplementedError("DOCTYPE nodes are not supported by PullDOM")
+
+    elif node.nodeType == Node.COMMENT_NODE:
+        yield COMMENT, node
+
+    elif node.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
+        yield CHARACTERS, node
+
+    elif node.nodeType == Node.ELEMENT_NODE:
+        yield START_ELEMENT, node
+        for childNode in node.childNodes:
+            for event in PullDOMAdapter(childNode):
+                yield event
+        yield END_ELEMENT, node
+
+    else:
+        raise NotImplementedError("Node type not supported: " + str(node.nodeType))
+
+treeTypes = {
+    "DOM": {"builder": treebuilders.getTreeBuilder("dom"),
+            "walker": treewalkers.getTreeWalker("dom")},
+    "PullDOM": {"builder": treebuilders.getTreeBuilder("dom"),
+                "adapter": PullDOMAdapter,
+                "walker": treewalkers.getTreeWalker("pulldom")},
+}
+
+# Try whatever etree implementations are available from a list that are
+#"supposed" to work
+try:
+    import xml.etree.ElementTree as ElementTree
+except ImportError:
+    pass
+else:
+    treeTypes['ElementTree'] = \
+        {"builder": treebuilders.getTreeBuilder("etree", ElementTree),
+         "walker": treewalkers.getTreeWalker("etree", ElementTree)}
+
+try:
+    import xml.etree.cElementTree as ElementTree
+except ImportError:
+    pass
+else:
+    treeTypes['cElementTree'] = \
+        {"builder": treebuilders.getTreeBuilder("etree", ElementTree),
+         "walker": treewalkers.getTreeWalker("etree", ElementTree)}
+
+
+try:
+    import lxml.etree as ElementTree  # flake8: noqa
+except ImportError:
+    pass
+else:
+    treeTypes['lxml_native'] = \
+        {"builder": treebuilders.getTreeBuilder("lxml"),
+         "walker": treewalkers.getTreeWalker("lxml")}
+
+
+try:
+    from genshi.core import QName, Attrs
+    from genshi.core import START, END, TEXT, COMMENT, DOCTYPE
+except ImportError:
+    pass
+else:
+    def GenshiAdapter(tree):
+        text = None
+        for token in treewalkers.getTreeWalker("dom")(tree):
+            type = token["type"]
+            if type in ("Characters", "SpaceCharacters"):
+                if text is None:
+                    text = token["data"]
+                else:
+                    text += token["data"]
+            elif text is not None:
+                yield TEXT, text, (None, -1, -1)
+                text = None
+
+            if type in ("StartTag", "EmptyTag"):
+                if token["namespace"]:
+                    name = "{%s}%s" % (token["namespace"], token["name"])
+                else:
+                    name = token["name"]
+                attrs = Attrs([(QName("{%s}%s" % attr if attr[0] is not None else attr[1]), value)
+                               for attr, value in token["data"].items()])
+                yield (START, (QName(name), attrs), (None, -1, -1))
+                if type == "EmptyTag":
+                    type = "EndTag"
+
+            if type == "EndTag":
+                if token["namespace"]:
+                    name = "{%s}%s" % (token["namespace"], token["name"])
+                else:
+                    name = token["name"]
+
+                yield END, QName(name), (None, -1, -1)
+
+            elif type == "Comment":
+                yield COMMENT, token["data"], (None, -1, -1)
+
+            elif type == "Doctype":
+                yield DOCTYPE, (token["name"], token["publicId"],
+                                token["systemId"]), (None, -1, -1)
+
+            else:
+                pass  # FIXME: What to do?
+
+        if text is not None:
+            yield TEXT, text, (None, -1, -1)
+
+    treeTypes["genshi"] = \
+        {"builder": treebuilders.getTreeBuilder("dom"),
+         "adapter": GenshiAdapter,
+         "walker": treewalkers.getTreeWalker("genshi")}
+
+
+def concatenateCharacterTokens(tokens):
+    charactersToken = None
+    for token in tokens:
+        type = token["type"]
+        if type in ("Characters", "SpaceCharacters"):
+            if charactersToken is None:
+                charactersToken = {"type": "Characters", "data": token["data"]}
+            else:
+                charactersToken["data"] += token["data"]
+        else:
+            if charactersToken is not None:
+                yield charactersToken
+                charactersToken = None
+            yield token
+    if charactersToken is not None:
+        yield charactersToken
+
+
+def convertTokens(tokens):
+    output = []
+    indent = 0
+    for token in concatenateCharacterTokens(tokens):
+        type = token["type"]
+        if type in ("StartTag", "EmptyTag"):
+            if (token["namespace"] and
+                    token["namespace"] != constants.namespaces["html"]):
+                if token["namespace"] in constants.prefixes:
+                    name = constants.prefixes[token["namespace"]]
+                else:
+                    name = token["namespace"]
+                name += " " + token["name"]
+            else:
+                name = token["name"]
+            output.append("%s<%s>" % (" " * indent, name))
+            indent += 2
+            attrs = token["data"]
+            if attrs:
+                # TODO: Remove this if statement, attrs should always exist
+                for (namespace, name), value in sorted(attrs.items()):
+                    if namespace:
+                        if namespace in constants.prefixes:
+                            outputname = constants.prefixes[namespace]
+                        else:
+                            outputname = namespace
+                        outputname += " " + name
+                    else:
+                        outputname = name
+                    output.append("%s%s=\"%s\"" % (" " * indent, outputname, value))
+            if type == "EmptyTag":
+                indent -= 2
+        elif type == "EndTag":
+            indent -= 2
+        elif type == "Comment":
+            output.append("%s<!-- %s -->" % (" " * indent, token["data"]))
+        elif type == "Doctype":
+            if token["name"]:
+                if token["publicId"]:
+                    output.append("""%s<!DOCTYPE %s "%s" "%s">""" %
+                                  (" " * indent, token["name"],
+                                   token["publicId"],
+                                   token["systemId"] and token["systemId"] or ""))
+                elif token["systemId"]:
+                    output.append("""%s<!DOCTYPE %s "" "%s">""" %
+                                  (" " * indent, token["name"],
+                                   token["systemId"]))
+                else:
+                    output.append("%s<!DOCTYPE %s>" % (" " * indent,
+                                                       token["name"]))
+            else:
+                output.append("%s<!DOCTYPE >" % (" " * indent,))
+        elif type in ("Characters", "SpaceCharacters"):
+            output.append("%s\"%s\"" % (" " * indent, token["data"]))
+        else:
+            pass  # TODO: what to do with errors?
+    return "\n".join(output)
+
+import re
+attrlist = re.compile(r"^(\s+)\w+=.*(\n\1\w+=.*)+", re.M)
+
+
+def sortattrs(x):
+    lines = x.group(0).split("\n")
+    lines.sort()
+    return "\n".join(lines)
+
+
+class TokenTestCase(unittest.TestCase):
+    def test_all_tokens(self):
+        expected = [
+            {'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'html'},
+            {'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'head'},
+            {'data': {}, 'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'head'},
+            {'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'body'},
+            {'data': 'a', 'type': 'Characters'},
+            {'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'div'},
+            {'data': 'b', 'type': 'Characters'},
+            {'data': {}, 'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'div'},
+            {'data': 'c', 'type': 'Characters'},
+            {'data': {}, 'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'body'},
+            {'data': {}, 'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'html'}
+        ]
+        for treeName, treeCls in treeTypes.items():
+            p = html5parser.HTMLParser(tree=treeCls["builder"])
+            document = p.parse("<html><head></head><body>a<div>b</div>c</body></html>")
+            document = treeCls.get("adapter", lambda x: x)(document)
+            output = treeCls["walker"](document)
+            for expectedToken, outputToken in zip(expected, output):
+                self.assertEqual(expectedToken, outputToken)
+
+
+def runTreewalkerTest(innerHTML, input, expected, errors, treeClass):
+    warnings.resetwarnings()
+    warnings.simplefilter("error")
+    try:
+        p = html5parser.HTMLParser(tree=treeClass["builder"])
+        if innerHTML:
+            document = p.parseFragment(input, innerHTML)
+        else:
+            document = p.parse(input)
+    except constants.DataLossWarning:
+        # Ignore testcases we know we don't pass
+        return
+
+    document = treeClass.get("adapter", lambda x: x)(document)
+    try:
+        output = convertTokens(treeClass["walker"](document))
+        output = attrlist.sub(sortattrs, output)
+        expected = attrlist.sub(sortattrs, convertExpected(expected))
+        diff = "".join(unified_diff([line + "\n" for line in expected.splitlines()],
+                                    [line + "\n" for line in output.splitlines()],
+                                    "Expected", "Received"))
+        assert expected == output, "\n".join([
+            "", "Input:", input,
+                "", "Expected:", expected,
+                "", "Received:", output,
+                "", "Diff:", diff,
+        ])
+    except NotImplementedError:
+        pass  # Amnesty for those that confess...
+
+
+def test_treewalker():
+    sys.stdout.write('Testing tree walkers ' + " ".join(list(treeTypes.keys())) + "\n")
+
+    for treeName, treeCls in treeTypes.items():
+        files = get_data_files('tree-construction')
+        for filename in files:
+            testName = os.path.basename(filename).replace(".dat", "")
+            if testName in ("template",):
+                continue
+
+            tests = TestData(filename, "data")
+
+            for index, test in enumerate(tests):
+                (input, errors,
+                 innerHTML, expected) = [test[key] for key in ("data", "errors",
+                                                               "document-fragment",
+                                                               "document")]
+                errors = errors.split("\n")
+                yield runTreewalkerTest, innerHTML, input, expected, errors, treeCls
+
+
+def set_attribute_on_first_child(docfrag, name, value, treeName):
+    """naively sets an attribute on the first child of the document
+    fragment passed in"""
+    setter = {'ElementTree': lambda d: d[0].set,
+              'DOM': lambda d: d.firstChild.setAttribute}
+    setter['cElementTree'] = setter['ElementTree']
+    try:
+        setter.get(treeName, setter['DOM'])(docfrag)(name, value)
+    except AttributeError:
+        setter['ElementTree'](docfrag)(name, value)
+
+
+def runTreewalkerEditTest(intext, expected, attrs_to_add, tree):
+    """tests what happens when we add attributes to the intext"""
+    treeName, treeClass = tree
+    parser = html5parser.HTMLParser(tree=treeClass["builder"])
+    document = parser.parseFragment(intext)
+    for nom, val in attrs_to_add:
+        set_attribute_on_first_child(document, nom, val, treeName)
+
+    document = treeClass.get("adapter", lambda x: x)(document)
+    output = convertTokens(treeClass["walker"](document))
+    output = attrlist.sub(sortattrs, output)
+    if not output in expected:
+        raise AssertionError("TreewalkerEditTest: %s\nExpected:\n%s\nReceived:\n%s" % (treeName, expected, output))
+
+
+def test_treewalker_six_mix():
+    """Str/Unicode mix. If str attrs added to tree"""
+
+    # On Python 2.x string literals are of type str. Unless, like this
+    # file, the programmer imports unicode_literals from __future__.
+    # In that case, string literals become objects of type unicode.
+
+    # This test simulates a Py2 user, modifying attributes on a document
+    # fragment but not using the u'' syntax nor importing unicode_literals
+    sm_tests = [
+        ('<a href="http://example.com">Example</a>',
+         [(str('class'), str('test123'))],
+         '<a>\n  class="test123"\n  href="http://example.com"\n  "Example"'),
+
+        ('<link href="http://example.com/cow">',
+         [(str('rel'), str('alternate'))],
+         '<link>\n  href="http://example.com/cow"\n  rel="alternate"\n  "Example"')
+    ]
+
+    for tree in treeTypes.items():
+        for intext, attrs, expected in sm_tests:
+            yield runTreewalkerEditTest, intext, expected, attrs, tree
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_whitespace_filter.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_whitespace_filter.py
new file mode 100644
index 000000000..9ed27fd6a
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/test_whitespace_filter.py
@@ -0,0 +1,133 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import unittest
+
+from html5lib.filters.whitespace import Filter
+from html5lib.constants import spaceCharacters
+spaceCharacters = "".join(spaceCharacters)
+
+try:
+    unittest.TestCase.assertEqual
+except AttributeError:
+    unittest.TestCase.assertEqual = unittest.TestCase.assertEquals
+
+
+class TestCase(unittest.TestCase):
+    def runTest(self, input, expected):
+        output = list(Filter(input))
+        errorMsg = "\n".join(["\n\nInput:", str(input),
+                              "\nExpected:", str(expected),
+                              "\nReceived:", str(output)])
+        self.assertEqual(output, expected, errorMsg)
+
+    def runTestUnmodifiedOutput(self, input):
+        self.runTest(input, input)
+
+    def testPhrasingElements(self):
+        self.runTestUnmodifiedOutput(
+            [{"type": "Characters", "data": "This is a "},
+             {"type": "StartTag", "name": "span", "data": []},
+             {"type": "Characters", "data": "phrase"},
+             {"type": "EndTag", "name": "span", "data": []},
+             {"type": "SpaceCharacters", "data": " "},
+             {"type": "Characters", "data": "with"},
+             {"type": "SpaceCharacters", "data": " "},
+             {"type": "StartTag", "name": "em", "data": []},
+             {"type": "Characters", "data": "emphasised text"},
+             {"type": "EndTag", "name": "em", "data": []},
+             {"type": "Characters", "data": " and an "},
+             {"type": "StartTag", "name": "img", "data": [["alt", "image"]]},
+             {"type": "Characters", "data": "."}])
+
+    def testLeadingWhitespace(self):
+        self.runTest(
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "SpaceCharacters", "data": spaceCharacters},
+             {"type": "Characters", "data": "foo"},
+             {"type": "EndTag", "name": "p", "data": []}],
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "SpaceCharacters", "data": " "},
+             {"type": "Characters", "data": "foo"},
+             {"type": "EndTag", "name": "p", "data": []}])
+
+    def testLeadingWhitespaceAsCharacters(self):
+        self.runTest(
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": spaceCharacters + "foo"},
+             {"type": "EndTag", "name": "p", "data": []}],
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": " foo"},
+             {"type": "EndTag", "name": "p", "data": []}])
+
+    def testTrailingWhitespace(self):
+        self.runTest(
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": "foo"},
+             {"type": "SpaceCharacters", "data": spaceCharacters},
+             {"type": "EndTag", "name": "p", "data": []}],
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": "foo"},
+             {"type": "SpaceCharacters", "data": " "},
+             {"type": "EndTag", "name": "p", "data": []}])
+
+    def testTrailingWhitespaceAsCharacters(self):
+        self.runTest(
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": "foo" + spaceCharacters},
+             {"type": "EndTag", "name": "p", "data": []}],
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": "foo "},
+             {"type": "EndTag", "name": "p", "data": []}])
+
+    def testWhitespace(self):
+        self.runTest(
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": "foo" + spaceCharacters + "bar"},
+             {"type": "EndTag", "name": "p", "data": []}],
+            [{"type": "StartTag", "name": "p", "data": []},
+             {"type": "Characters", "data": "foo bar"},
+             {"type": "EndTag", "name": "p", "data": []}])
+
+    def testLeadingWhitespaceInPre(self):
+        self.runTestUnmodifiedOutput(
+            [{"type": "StartTag", "name": "pre", "data": []},
+             {"type": "SpaceCharacters", "data": spaceCharacters},
+             {"type": "Characters", "data": "foo"},
+             {"type": "EndTag", "name": "pre", "data": []}])
+
+    def testLeadingWhitespaceAsCharactersInPre(self):
+        self.runTestUnmodifiedOutput(
+            [{"type": "StartTag", "name": "pre", "data": []},
+             {"type": "Characters", "data": spaceCharacters + "foo"},
+             {"type": "EndTag", "name": "pre", "data": []}])
+
+    def testTrailingWhitespaceInPre(self):
+        self.runTestUnmodifiedOutput(
+            [{"type": "StartTag", "name": "pre", "data": []},
+             {"type": "Characters", "data": "foo"},
+             {"type": "SpaceCharacters", "data": spaceCharacters},
+             {"type": "EndTag", "name": "pre", "data": []}])
+
+    def testTrailingWhitespaceAsCharactersInPre(self):
+        self.runTestUnmodifiedOutput(
+            [{"type": "StartTag", "name": "pre", "data": []},
+             {"type": "Characters", "data": "foo" + spaceCharacters},
+             {"type": "EndTag", "name": "pre", "data": []}])
+
+    def testWhitespaceInPre(self):
+        self.runTestUnmodifiedOutput(
+            [{"type": "StartTag", "name": "pre", "data": []},
+             {"type": "Characters", "data": "foo" + spaceCharacters + "bar"},
+             {"type": "EndTag", "name": "pre", "data": []}])
+
+
+def buildTestSuite():
+    return unittest.defaultTestLoader.loadTestsFromName(__name__)
+
+
+def main():
+    buildTestSuite()
+    unittest.main()
+
+if __name__ == "__main__":
+    main()
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/AUTHORS.rst b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/AUTHORS.rst
new file mode 100644
index 000000000..4a7de17ad
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/AUTHORS.rst
@@ -0,0 +1,34 @@
+Credits
+=======
+
+The ``html5lib`` test data is maintained by:
+
+- James Graham
+- Geoffrey Sneddon
+
+
+Contributors
+------------
+
+- Adam Barth
+- Andi Sidwell
+- Anne van Kesteren
+- David Flanagan
+- Edward Z. Yang
+- Geoffrey Sneddon
+- Henri Sivonen
+- Ian Hickson
+- Jacques Distler
+- James Graham
+- Lachlan Hunt
+- lantis63
+- Mark Pilgrim
+- Mats Palmgren
+- Ms2ger
+- Nolan Waite
+- Philip Taylor
+- Rafael Weinstein
+- Ryan King
+- Sam Ruby
+- Simon Pieters
+- Thomas Broyer
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/LICENSE b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/LICENSE
new file mode 100644
index 000000000..8812371b4
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/LICENSE
@@ -0,0 +1,21 @@
+Copyright (c) 2006-2013 James Graham, Geoffrey Sneddon, and
+other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/chardet/test_big5.txt b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/chardet/test_big5.txt
new file mode 100644
index 000000000..91074c98d
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/chardet/test_big5.txt
@@ -0,0 +1,51 @@
+�Ѥl�m�D�w�g�n �Ĥ@~�|�Q��
+
+�Ѥl�D�g
+
+�Ĥ@��
+
+�D�i�D�A�D�`�D�C�W�i�W�A�D�`�W�C�L�A�W�Ѧa���l�Q���A�W�U�������C
+�G�`�L�A���H�[�䧮�F�`���A���H�[���u�C����̡A�P�X�Ӳ��W�A�P�פ�
+�ȡC�Ȥ��S�ȡA���������C
+
+�ĤG��
+
+�ѤU�Ҫ����������A���c�o�Q�Ҫ����������A�������o�C�G���L�ۥ͡A��
+���ۦ��A���u�ۧΡA���U�۶ɡA���n�۩M�A�e����H�C�O�H�t�H�B�u�L��
+�v���ơA��u�����v���СC�U���@�j�Ӥ���A�ͦӤ����A���Ӥ���A�\��
+�ӥ��~�C�Ұߥ��~�A�O�H���h�C
+
+�ĤT��
+
+���|��A�ϥ������Q���Q���o���f�A�ϥ������s�Q�����i���A�ϥ��ߤ���
+�C�O�H�u�t�H�v���v�A���ߡA��両�A�z��ӡA�j�䰩�C�`�ϥ��L���L
+���C�ϤҴ��̤������]�C���u�L���v�A�h�L���v�C
+
+�ĥ|��
+
+�u�D�v�R�A�ӥΤ��Τ��աC�W���A���U�����v�Q����U�A�Ѩ�ɡA�M���
+�A�P��СQ�祿���Φs�C�^�����֤��l�H�H�Ҥ����C
+
+�Ĥ���
+
+�Ѧa�����A�H�U�����쪯�Q�t�H�����A�H�ʩm���쪯�C�Ѧa�����A��S��
+���G�H��Ӥ��}�A�ʦӷU�X�C�h���ƽa�A���p�u���C
+
+�Ĥ���
+
+���������A�O�ץȦɡC�Ȧɤ����A�O�פѦa�ڡC�����Y�s�A�Τ����ԡC
+
+�ĤC��
+
+�Ѫ��a�[�C�Ѧa�ҥH����B�[�̡A�H�䤣�ۥ͡A�G����[�C�O�H�t�H���
+���Ө����A�~�䨭�Ө��s�C�D�H��L�p���H�G�ন��p�C
+
+�ĤK��
+
+�W���Y���C�����Q�U���Ӥ����C�B���H���Ҵc�A�G�X��D�C�~���a�A�ߵ�
+�W�A�P�����A�����H�A�F���v�A�Ƶ���A�ʵ��ɡC�Ұߤ����A�G�L�סC
+
+�ĤE��
+
+���Ӭդ��A���p��w�Q���ӾU���A���i���O�C���ɺ���A������u�Q�I�Q
+��ź�A�ۿ��S�C�\�E���h�A�Ѥ��D�C
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/test-yahoo-jp.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/test-yahoo-jp.dat
new file mode 100644
index 000000000..3c25ecb2b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/test-yahoo-jp.dat
@@ -0,0 +1,10 @@
+#data
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=euc-jp">
+<!--京-->
+<title>Yahoo! JAPAN</title>
+<meta name="description" content="日本最大級のポータルサイト。検索、オークション、ニュース、メール、コミュニティ、ショッピング、など80以上のサービスを展開。あなたの生活をより豊かにする「ライフ・エンジン」を目指していきます。">
+<style type="text/css" media="all">
+#encoding
+euc_jp
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/tests1.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/tests1.dat
new file mode 100644
index 000000000..5b585e735
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/tests1.dat
@@ -0,0 +1,394 @@
+#data
+<!DOCTYPE HTML>
+<!-- (control test - for the other tests to work, this should pass - you may have to set your defaults appropriately) -->
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta charset="ISO-8859-1">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta charset='iso8859-2'>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta charset=iso8859-2>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta
+charset=iso8859-2>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<metacharset=iso8859-2>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta http-equiv="Content-Type" content="text/html; charset=iso8859-2">
+<!-- XXX this is a tough one, not sure how to do this one, unless we explictly do content= processing -->
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta content="text/html; charset=iso8859-2" http-equiv="Content-Type">
+<!-- XXX this is a tough one, not sure how to do this one, unless we explictly do content= processing -->
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta http-equiv="Content-Type" content=text/html; charset=iso8859-2>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta http-equiv="Content-Type content="text/html; charset=iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta http-equiv="Content-Type " content="text/html; charset=iso8859-2">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta content="text/html; charset=iso8859-2" http-equiv="Content-Type ">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta http-equiv="Content-Type>" content="text/html; charset=iso8859-2">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta content="text/html; charset=iso8859-2" http-equiv="Content-Type>">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta http-equiv="Content-Style-Type" content="text/html; charset=iso8859-2">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta content="text/html; charset=iso8859-2" http-equiv="Content-Style-Type">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta name="Content-Style-Type" content="text/html; charset=iso8859-2">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta content="text/html; charset=iso8859-2" name="Content-Style-Type">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta content="text/html; charset=iso8859-2">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta content=" text/html; charset = iso8859-2 ">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta content="
+text/html; charset=iso8859-2
+" http-equiv="Content-Type">
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta charset="
+iso8859-2
+">
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta charset=
+iso8859-2
+>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta charset="iso8859-2>
+<p>"</p>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta charset=iso8859-2">
+<p>"</p>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta " charset=iso8859-2>
+<p>"</p>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta test" charset=iso8859-2>
+<p>"</p>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta test=" charset=iso8859-2>
+<p>"</p>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta test="' charset=iso8859-2>
+<p>"'</p>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta test='" charset=iso8859-2>
+<p>'"</p>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta test="" charset=iso8859-2>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta test=x" charset=iso8859-2>
+<p>"</p>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<head></head><p title="x>
+<meta test=x" charset=iso8859-2>
+<p>"</p>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<head></head><p title="x>
+<meta test=x charset=iso8859-2>
+<p>"</p>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<head></head><p title="x>
+<meta charset=iso8859-2>
+<p>"</p>
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<head></head><p title="x>">
+<meta charset=iso8859-2>
+<p>"</p>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta charset="ISO-8859-1">
+<meta charset="iso8859-2">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<meta charset="iso8859-2">
+<meta charset="ISO-8859-1">
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<!--<meta charset="ISO-8859-1">-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<!--<meta charset="iso8859-2">-->
+<meta charset="ISO-8859-1">
+#encoding
+Windows-1252
+
+#data
+<!DOCTYPE HTML>
+<!-- Starts with UTF-8 BOM -->
+#encoding
+UTF-8
+
+#data
+<!DOCTYPE HTML>
+<meta charset="ISO-8859-1">
+<!-- Starts with UTF-8 BOM -->
+#encoding
+UTF-8
+
+#data
+<!-- 511 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 512 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 1024 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 1025 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxz-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 2048 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 2049 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxz-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 4096 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 4097 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxz-->
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 8192 characters xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx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+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- 8193 characters 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+<meta charset="iso8859-2">
+#encoding
+iso8859-2
+
+#data
+<!-- multi-script test -->
+<script>alert('step 1 of 3 ("�")')</script>
+<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
+<script>alert('step 2 of 3 ("�")')</script>
+<meta charset="iso8859-2">
+<script>alert('step 3 of 3 ("�")')</script>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<script>document.write('<meta charset="ISO-8859-' + '2">')</script>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<script>document.write('<meta charset="iso8859-2">')</script>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<script type="text/plain"><meta charset="iso8859-2"></script>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<style type="text/plain"><meta charset="iso8859-2"></style>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<p><meta charset="iso8859-2"></p>
+#encoding
+iso8859-2
+
+#data
+<!DOCTYPE HTML>
+<meta charset="bogus">
+<meta charset="iso8859-2">
+#encoding
+iso8859-2
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/tests2.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/tests2.dat
new file mode 100644
index 000000000..eee44984d
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/encoding/tests2.dat
@@ -0,0 +1,115 @@
+#data
+<meta
+#encoding
+windows-1252
+
+#data
+<
+#encoding
+windows-1252
+
+#data
+<!
+#encoding
+windows-1252
+
+#data
+<meta charset = "
+#encoding
+windows-1252
+
+#data
+<meta charset=euc_jp
+#encoding
+windows-1252
+
+#data
+<meta <meta charset='euc_jp'>
+#encoding
+euc_jp
+
+#data
+<meta       charset    =     'euc_jp'>
+#encoding
+euc_jp
+
+#data
+<!-- -->
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+#encoding
+utf-8
+
+#data
+<!-- -->
+<meta http-equiv="Content-Type" content="text/html; charset=utf
+#encoding
+windows-1252
+
+#data
+<meta http-equiv="Content-Type<meta charset="utf-8">
+#encoding
+windows-1252
+
+#data
+<meta http-equiv="Content-Type" content="text/html; charset='utf-8'">
+#encoding
+utf-8
+
+#data
+<meta http-equiv="Content-Type" content="text/html; charset='utf-8">
+#encoding
+windows-1252
+
+#data
+<meta                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
+#encoding
+windows-1252
+
+#data
+<meta charset                    =                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
+#encoding
+windows-1252
+
+#data
+<meta charset=                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            utf-8
+>
+#encoding
+utf-8
+
+#data
+<meta content = "text/html;
+#encoding
+windows-1252
+
+#data
+<meta charset="UTF-16">
+#encoding
+utf-8
+
+#data
+<meta charset="UTF-16LE">
+#encoding
+utf-8
+
+#data
+<meta charset="UTF-16BE">
+#encoding
+utf-8
+
+#data
+<html a=ñ>
+<meta charset="utf-8">
+#encoding
+utf-8
+
+#data
+<html ñ>
+<meta charset="utf-8">
+#encoding
+utf-8
+
+#data
+<html>ñ
+<meta charset="utf-8">
+#encoding
+utf-8
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/sanitizer/tests1.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/sanitizer/tests1.dat
new file mode 100644
index 000000000..c741cb8c6
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/sanitizer/tests1.dat
@@ -0,0 +1,501 @@
+[
+  {
+    "name": "IE_Comments",
+    "input": "<!--[if gte IE 4]><script>alert('XSS');</script><![endif]-->",
+    "output": ""
+  },
+
+  {
+    "name": "IE_Comments_2",
+    "input": "<![if !IE 5]><script>alert('XSS');</script><![endif]>",
+    "output": "&lt;script&gt;alert('XSS');&lt;/script&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "allow_colons_in_path_component",
+    "input": "<a href=\"./this:that\">foo</a>",
+    "output": "<a href='./this:that'>foo</a>"
+  },
+
+  {
+    "name": "background_attribute",
+    "input": "<div background=\"javascript:alert('XSS')\"></div>",
+    "output": "<div/>",
+    "xhtml": "<div></div>",
+    "rexml": "<div></div>"
+  },
+
+  {
+    "name": "bgsound",
+    "input": "<bgsound src=\"javascript:alert('XSS');\" />",
+    "output": "&lt;bgsound src=\"javascript:alert('XSS');\"/&gt;",
+    "rexml": "&lt;bgsound src=\"javascript:alert('XSS');\"&gt;&lt;/bgsound&gt;"
+  },
+
+  {
+    "name": "div_background_image_unicode_encoded",
+    "input": "<div style=\"background-image:\u00a5\u00a2\u006C\u0028'\u006a\u0061\u00a6\u0061\u00a3\u0063\u00a2\u0069\u00a0\u00a4\u003a\u0061\u006c\u0065\u00a2\u00a4\u0028.1027\u0058.1053\u0053\u0027\u0029'\u0029\">foo</div>",
+    "output": "<div style=''>foo</div>"
+  },
+
+  {
+    "name": "div_expression",
+    "input": "<div style=\"width: expression(alert('XSS'));\">foo</div>",
+    "output": "<div style=''>foo</div>"
+  },
+
+  {
+    "name": "double_open_angle_brackets",
+    "input": "<img src=http://ha.ckers.org/scriptlet.html <",
+    "output": "<img src='http://ha.ckers.org/scriptlet.html'>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "double_open_angle_brackets_2",
+    "input": "<script src=http://ha.ckers.org/scriptlet.html <",
+    "output": "&lt;script src=\"http://ha.ckers.org/scriptlet.html\" &lt;=\"\"&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "grave_accents",
+    "input": "<img src=`javascript:alert('XSS')` />",
+    "output": "<img/>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "img_dynsrc_lowsrc",
+    "input": "<img dynsrc=\"javascript:alert('XSS')\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "img_vbscript",
+    "input": "<img src='vbscript:msgbox(\"XSS\")' />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "input_image",
+    "input": "<input type=\"image\" src=\"javascript:alert('XSS');\" />",
+    "output": "<input type='image'/>",
+    "rexml": "<input type='image' />"
+  },
+
+  {
+    "name": "link_stylesheets",
+    "input": "<link rel=\"stylesheet\" href=\"javascript:alert('XSS');\" />",
+    "output": "&lt;link rel=\"stylesheet\" href=\"javascript:alert('XSS');\"/&gt;",
+    "rexml": "&lt;link href=\"javascript:alert('XSS');\" rel=\"stylesheet\"/&gt;"
+  },
+
+  {
+    "name": "link_stylesheets_2",
+    "input": "<link rel=\"stylesheet\" href=\"http://ha.ckers.org/xss.css\" />",
+    "output": "&lt;link rel=\"stylesheet\" href=\"http://ha.ckers.org/xss.css\"/&gt;",
+    "rexml": "&lt;link href=\"http://ha.ckers.org/xss.css\" rel=\"stylesheet\"/&gt;"
+  },
+
+  {
+    "name": "list_style_image",
+    "input": "<li style=\"list-style-image: url(javascript:alert('XSS'))\">foo</li>",
+    "output": "<li style=''>foo</li>"
+  },
+
+  {
+    "name": "no_closing_script_tags",
+    "input": "<script src=http://ha.ckers.org/xss.js?<b>",
+    "output": "&lt;script src=\"http://ha.ckers.org/xss.js?&amp;lt;b\"&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "non_alpha_non_digit",
+    "input": "<script/XSS src=\"http://ha.ckers.org/xss.js\"></script>",
+    "output": "&lt;script XSS=\"\" src=\"http://ha.ckers.org/xss.js\"&gt;&lt;/script&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "non_alpha_non_digit_2",
+    "input": "<a onclick!\\#$%&()*~+-_.,:;?@[/|\\]^`=alert(\"XSS\")>foo</a>",
+    "output": "<a>foo</a>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "non_alpha_non_digit_3",
+    "input": "<img/src=\"http://ha.ckers.org/xss.js\"/>",
+    "output": "<img src='http://ha.ckers.org/xss.js'/>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "non_alpha_non_digit_II",
+    "input": "<a href!\\#$%&()*~+-_.,:;?@[/|]^`=alert('XSS')>foo</a>",
+    "output": "<a>foo</a>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "non_alpha_non_digit_III",
+    "input": "<a/href=\"javascript:alert('XSS');\">foo</a>",
+    "output": "<a>foo</a>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "platypus",
+    "input": "<a href=\"http://www.ragingplatypus.com/\" style=\"display:block; position:absolute; left:0; top:0; width:100%; height:100%; z-index:1; background-color:black; background-image:url(http://www.ragingplatypus.com/i/cam-full.jpg); background-x:center; background-y:center; background-repeat:repeat;\">never trust your upstream platypus</a>",
+    "output": "<a href='http://www.ragingplatypus.com/' style='display: block; width: 100%; height: 100%; background-color: black; background-x: center; background-y: center;'>never trust your upstream platypus</a>"
+  },
+
+  {
+    "name": "protocol_resolution_in_script_tag",
+    "input": "<script src=//ha.ckers.org/.j></script>",
+    "output": "&lt;script src=\"//ha.ckers.org/.j\"&gt;&lt;/script&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_allow_anchors",
+    "input": "<a href='foo' onclick='bar'><script>baz</script></a>",
+    "output": "<a href='foo'>&lt;script&gt;baz&lt;/script&gt;</a>"
+  },
+
+  {
+    "name": "should_allow_image_alt_attribute",
+    "input": "<img alt='foo' onclick='bar' />",
+    "output": "<img alt='foo'/>",
+    "rexml": "<img alt='foo' />"
+  },
+
+  {
+    "name": "should_allow_image_height_attribute",
+    "input": "<img height='foo' onclick='bar' />",
+    "output": "<img height='foo'/>",
+    "rexml": "<img height='foo' />"
+  },
+
+  {
+    "name": "should_allow_image_src_attribute",
+    "input": "<img src='foo' onclick='bar' />",
+    "output": "<img src='foo'/>",
+    "rexml": "<img src='foo' />"
+  },
+
+  {
+    "name": "should_allow_image_width_attribute",
+    "input": "<img width='foo' onclick='bar' />",
+    "output": "<img width='foo'/>",
+    "rexml": "<img width='foo' />"
+  },
+
+  {
+    "name": "should_handle_blank_text",
+    "input": "",
+    "output": ""
+  },
+
+  {
+    "name": "should_handle_malformed_image_tags",
+    "input": "<img \"\"\"><script>alert(\"XSS\")</script>\">",
+    "output": "<img/>&lt;script&gt;alert(\"XSS\")&lt;/script&gt;\"&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_handle_non_html",
+    "input": "abc",
+    "output": "abc"
+  },
+
+  {
+    "name": "should_not_fall_for_ridiculous_hack",
+    "input": "<img\nsrc\n=\n\"\nj\na\nv\na\ns\nc\nr\ni\np\nt\n:\na\nl\ne\nr\nt\n(\n'\nX\nS\nS\n'\n)\n\"\n />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_0",
+    "input": "<img src=\"javascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_1",
+    "input": "<img src=javascript:alert('XSS') />",
+    "output": "<img/>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_10",
+    "input": "<img src=\"jav&#x0A;ascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_11",
+    "input": "<img src=\"jav&#x0D;ascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_12",
+    "input": "<img src=\" &#14;  javascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_13",
+    "input": "<img src=\"&#x20;javascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_14",
+    "input": "<img src=\"&#xA0;javascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_2",
+    "input": "<img src=\"JaVaScRiPt:alert('XSS')\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_3",
+    "input": "<img src='javascript:alert(&quot;XSS&quot;)' />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_4",
+    "input": "<img src='javascript:alert(String.fromCharCode(88,83,83))' />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_5",
+    "input": "<img src='&#106;&#97;&#118;&#97;&#115;&#99;&#114;&#105;&#112;&#116;&#58;&#97;&#108;&#101;&#114;&#116;&#40;&#39;&#88;&#83;&#83;&#39;&#41;' />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_6",
+    "input": "<img src='&#0000106;&#0000097;&#0000118;&#0000097;&#0000115;&#0000099;&#0000114;&#0000105;&#0000112;&#0000116;&#0000058;&#0000097;&#0000108;&#0000101;&#0000114;&#0000116;&#0000040;&#0000039;&#0000088;&#0000083;&#0000083;&#0000039;&#0000041' />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_7",
+    "input": "<img src='&#x6A;&#x61;&#x76;&#x61;&#x73;&#x63;&#x72;&#x69;&#x70;&#x74;&#x3A;&#x61;&#x6C;&#x65;&#x72;&#x74;&#x28;&#x27;&#x58;&#x53;&#x53;&#x27;&#x29' />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_8",
+    "input": "<img src=\"jav\tascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_not_fall_for_xss_image_hack_9",
+    "input": "<img src=\"jav&#x09;ascript:alert('XSS');\" />",
+    "output": "<img/>",
+    "rexml": "<img />"
+  },
+
+  {
+    "name": "should_sanitize_half_open_scripts",
+    "input": "<img src=\"javascript:alert('XSS')\"",
+    "output": "<img/>",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_sanitize_invalid_script_tag",
+    "input": "<script/XSS SRC=\"http://ha.ckers.org/xss.js\"></script>",
+    "output": "&lt;script XSS=\"\" SRC=\"http://ha.ckers.org/xss.js\"&gt;&lt;/script&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_sanitize_script_tag_with_multiple_open_brackets",
+    "input": "<<script>alert(\"XSS\");//<</script>",
+    "output": "&lt;&lt;script&gt;alert(\"XSS\");//&lt;&lt;/script&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_sanitize_script_tag_with_multiple_open_brackets_2",
+    "input": "<iframe src=http://ha.ckers.org/scriptlet.html\n<",
+    "output": "&lt;iframe src=\"http://ha.ckers.org/scriptlet.html\" &lt;=\"\"&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_sanitize_tag_broken_up_by_null",
+    "input": "<scr\u0000ipt>alert(\"XSS\")</scr\u0000ipt>",
+    "output": "&lt;scr\ufffdipt&gt;alert(\"XSS\")&lt;/scr\ufffdipt&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_sanitize_unclosed_script",
+    "input": "<script src=http://ha.ckers.org/xss.js?<b>",
+    "output": "&lt;script src=\"http://ha.ckers.org/xss.js?&amp;lt;b\"&gt;",
+    "rexml": "Ill-formed XHTML!"
+  },
+
+  {
+    "name": "should_strip_href_attribute_in_a_with_bad_protocols",
+    "input": "<a href=\"javascript:XSS\" title=\"1\">boo</a>",
+    "output": "<a title='1'>boo</a>"
+  },
+
+  {
+    "name": "should_strip_href_attribute_in_a_with_bad_protocols_and_whitespace",
+    "input": "<a href=\" javascript:XSS\" title=\"1\">boo</a>",
+    "output": "<a title='1'>boo</a>"
+  },
+
+  {
+    "name": "should_strip_src_attribute_in_img_with_bad_protocols",
+    "input": "<img src=\"javascript:XSS\" title=\"1\">boo</img>",
+    "output": "<img title='1'/>boo",
+    "rexml": "<img title='1' />"
+  },
+
+  {
+    "name": "should_strip_src_attribute_in_img_with_bad_protocols_and_whitespace",
+    "input": "<img src=\" javascript:XSS\" title=\"1\">boo</img>",
+    "output": "<img title='1'/>boo",
+    "rexml": "<img title='1' />"
+  },
+
+  {
+    "name": "xml_base",
+    "input": "<div xml:base=\"javascript:alert('XSS');//\">foo</div>",
+    "output": "<div>foo</div>"
+  },
+
+  {
+    "name": "xul",
+    "input": "<p style=\"-moz-binding:url('http://ha.ckers.org/xssmoz.xml#xss')\">fubar</p>",
+    "output": "<p style=''>fubar</p>"
+  },
+
+  {
+    "name": "quotes_in_attributes",
+    "input": "<img src='foo' title='\"foo\" bar' />",
+    "rexml": "<img src='foo' title='\"foo\" bar' />",
+    "output": "<img title='&quot;foo&quot; bar' src='foo'/>"
+  },
+
+  {
+    "name": "uri_refs_in_svg_attributes",
+    "input": "<rect fill='url(#foo)' />",
+    "rexml": "<rect fill='url(#foo)'></rect>",
+    "xhtml": "<rect fill='url(#foo)'></rect>",
+    "output": "<rect fill='url(#foo)'/>"
+  },
+
+  {
+    "name": "absolute_uri_refs_in_svg_attributes",
+    "input": "<rect fill='url(http://bad.com/) #fff' />",
+    "rexml": "<rect fill='  #fff'></rect>",
+    "xhtml": "<rect fill='  #fff'></rect>",
+    "output": "<rect fill='  #fff'/>"
+  },
+
+  {
+    "name": "uri_ref_with_space_in svg_attribute",
+    "input": "<rect fill='url(\n#foo)' />",
+    "rexml": "<rect fill='url(\n#foo)'></rect>",
+    "xhtml": "<rect fill='url(\n#foo)'></rect>",
+    "output": "<rect fill='url(\n#foo)'/>"
+  },
+
+  {
+    "name": "absolute_uri_ref_with_space_in svg_attribute",
+    "input": "<rect fill=\"url(\nhttp://bad.com/)\" />",
+    "rexml": "<rect fill=' '></rect>",
+    "xhtml": "<rect fill=' '></rect>",
+    "output": "<rect fill=' '/>"
+  },
+
+  {
+    "name": "allow_html5_image_tag",
+    "input": "<image src='foo' />",
+    "rexml": "&lt;image src=\"foo\"&gt;&lt;/image&gt;",
+    "output": "&lt;image src=\"foo\"/&gt;"
+  },
+
+  {
+    "name": "style_attr_end_with_nothing",
+    "input": "<div style=\"color: blue\" />",
+    "output": "<div style='color: blue;'/>",
+    "xhtml": "<div style='color: blue;'></div>",
+    "rexml": "<div style='color: blue;'></div>"
+  },
+
+  {
+    "name": "style_attr_end_with_space",
+    "input": "<div style=\"color: blue \" />",
+    "output": "<div style='color: blue ;'/>",
+    "xhtml": "<div style='color: blue ;'></div>",
+    "rexml": "<div style='color: blue ;'></div>"
+  },
+
+  {
+    "name": "style_attr_end_with_semicolon",
+    "input": "<div style=\"color: blue;\" />",
+    "output": "<div style='color: blue;'/>",
+    "xhtml": "<div style='color: blue;'></div>",
+    "rexml": "<div style='color: blue;'></div>"
+  },
+
+  {
+    "name": "style_attr_end_with_semicolon_space",
+    "input": "<div style=\"color: blue; \" />",
+    "output": "<div style='color: blue;'/>",
+    "xhtml": "<div style='color: blue;'></div>",
+    "rexml": "<div style='color: blue;'></div>"
+  },
+  
+  {
+   "name": "attributes_with_embedded_quotes",
+   "input": "<img src=doesntexist.jpg\"'onerror=\"alert(1) />",
+   "output": "<img src='doesntexist.jpg&quot;&apos;onerror=&quot;alert(1)'/>",
+   "rexml": "Ill-formed XHTML!"
+  },
+  
+  {
+   "name": "attributes_with_embedded_quotes_II",
+   "input": "<img src=notthere.jpg\"\"onerror=\"alert(2) />",
+   "output": "<img src='notthere.jpg&quot;&quot;onerror=&quot;alert(2)'/>",
+   "rexml": "Ill-formed XHTML!"
+  }
+]
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/core.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/core.test
new file mode 100644
index 000000000..c0b4222d2
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/core.test
@@ -0,0 +1,125 @@
+{"tests": [
+
+{"description": "proper attribute value escaping",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "test \"with\" &quot;"}]]],
+ "expected": ["<span title='test \"with\" &amp;quot;'>"]
+},
+
+{"description": "proper attribute value non-quoting",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo"}]]],
+ "expected": ["<span title=foo>"],
+ "xhtml":    ["<span title=\"foo\">"]
+},
+
+{"description": "proper attribute value non-quoting (with <)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo<bar"}]]],
+ "expected": ["<span title=foo<bar>"],
+ "xhtml":    ["<span title=\"foo&lt;bar\">"]
+},
+
+{"description": "proper attribute value quoting (with =)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo=bar"}]]],
+ "expected": ["<span title=\"foo=bar\">"]
+},
+
+{"description": "proper attribute value quoting (with >)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo>bar"}]]],
+ "expected": ["<span title=\"foo>bar\">"]
+},
+
+{"description": "proper attribute value quoting (with \")",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo\"bar"}]]],
+ "expected": ["<span title='foo\"bar'>"]
+},
+
+{"description": "proper attribute value quoting (with ')",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo'bar"}]]],
+ "expected": ["<span title=\"foo'bar\">"]
+},
+
+{"description": "proper attribute value quoting (with both \" and ')",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo'bar\"baz"}]]],
+ "expected": ["<span title=\"foo'bar&quot;baz\">"]
+},
+
+{"description": "proper attribute value quoting (with space)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo bar"}]]],
+ "expected": ["<span title=\"foo bar\">"]
+},
+
+{"description": "proper attribute value quoting (with tab)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo\tbar"}]]],
+ "expected": ["<span title=\"foo\tbar\">"]
+},
+
+{"description": "proper attribute value quoting (with LF)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo\nbar"}]]],
+ "expected": ["<span title=\"foo\nbar\">"]
+},
+
+{"description": "proper attribute value quoting (with CR)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo\rbar"}]]],
+ "expected": ["<span title=\"foo\rbar\">"]
+},
+
+{"description": "proper attribute value non-quoting (with linetab)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo\u000Bbar"}]]],
+ "expected": ["<span title=foo\u000Bbar>"],
+ "xhtml": ["<span title=\"foo\u000Bbar\">"]
+},
+
+{"description": "proper attribute value quoting (with form feed)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "foo\u000Cbar"}]]],
+ "expected": ["<span title=\"foo\u000Cbar\">"]
+},
+
+{"description": "void element (as EmptyTag token)",
+ "input": [["EmptyTag", "img", {}]],
+ "expected": ["<img>"],
+ "xhtml":    ["<img />"]
+},
+
+{"description": "void element (as StartTag token)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "img", {}]],
+ "expected": ["<img>"],
+ "xhtml":    ["<img />"]
+},
+
+{"description": "doctype in error",
+ "input": [["Doctype", "foo"]],
+ "expected": ["<!DOCTYPE foo>"]
+},
+
+{"description": "character data",
+ "options": {"encoding":"utf-8"},
+ "input": [["Characters", "a<b>c&d"]],
+ "expected": ["a&lt;b&gt;c&amp;d"]
+},
+
+{"description": "rcdata",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "script", {}], ["Characters", "a<b>c&d"]],
+ "expected": ["<script>a<b>c&d"],
+ "xhtml": ["<script>a&lt;b&gt;c&amp;d"]
+},
+
+{"description": "doctype",
+ "input": [["Doctype", "HTML"]],
+ "expected": ["<!DOCTYPE HTML>"]
+},
+
+{"description": "HTML 4.01 DOCTYPE",
+ "input": [["Doctype", "HTML",  "-//W3C//DTD HTML 4.01//EN", "http://www.w3.org/TR/html4/strict.dtd"]],
+ "expected": ["<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">"]
+},
+
+{"description": "HTML 4.01 DOCTYPE without system identifer",
+ "input": [["Doctype", "HTML",  "-//W3C//DTD HTML 4.01//EN"]],
+ "expected": ["<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\">"]
+},
+
+{"description": "IBM DOCTYPE without public identifer",
+ "input": [["Doctype", "html",  "", "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd"]],
+ "expected": ["<!DOCTYPE html SYSTEM \"http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd\">"]
+}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/injectmeta.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/injectmeta.test
new file mode 100644
index 000000000..feaaa44f8
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/injectmeta.test
@@ -0,0 +1,66 @@
+{"tests": [
+
+{"description": "no encoding",
+ "options": {"inject_meta_charset": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": [""],
+ "xhtml": ["<head></head>"]
+},
+
+{"description": "empytag head",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta charset=utf-8>"],
+ "xhtml":    ["<head><meta charset=\"utf-8\" /></head>"]
+},
+
+{"description": "head w/title",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["StartTag", "http://www.w3.org/1999/xhtml","title",{}], ["Characters", "foo"],["EndTag", "http://www.w3.org/1999/xhtml", "title"], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta charset=utf-8><title>foo</title>"],
+ "xhtml":    ["<head><meta charset=\"utf-8\" /><title>foo</title></head>"]
+},
+
+{"description": "head w/meta-charset",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EmptyTag","meta",[{"namespace": null, "name": "charset", "value": "ascii"}]], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta charset=utf-8>"],
+ "xhtml":    ["<head><meta charset=\"utf-8\" /></head>"]
+},
+
+{"description": "head w/ two meta-charset",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EmptyTag","meta",[{"namespace": null, "name": "charset", "value": "ascii"}]], ["EmptyTag","meta",[{"namespace": null, "name": "charset", "value": "ascii"}]], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta charset=utf-8><meta charset=utf-8>", "<head><meta charset=utf-8><meta charset=ascii>"],
+ "xhtml": ["<head><meta charset=\"utf-8\" /><meta charset=\"utf-8\" /></head>", "<head><meta charset=\"utf-8\" /><meta charset=\"ascii\" /></head>"]
+},
+
+{"description": "head w/robots",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EmptyTag","meta",[{"namespace": null, "name": "name", "value": "robots"},{"namespace": null, "name": "content", "value": "noindex"}]], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta charset=utf-8><meta content=noindex name=robots>"],
+ "xhtml":    ["<head><meta charset=\"utf-8\" /><meta content=\"noindex\" name=\"robots\" /></head>"]
+},
+
+{"description": "head w/robots & charset",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EmptyTag","meta",[{"namespace": null, "name": "name", "value": "robots"},{"namespace": null, "name": "content", "value": "noindex"}]], ["EmptyTag","meta",[{"namespace": null, "name": "charset", "value": "ascii"}]], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta content=noindex name=robots><meta charset=utf-8>"],
+ "xhtml":    ["<head><meta content=\"noindex\" name=\"robots\" /><meta charset=\"utf-8\" /></head>"]
+},
+
+{"description": "head w/ charset in http-equiv content-type",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EmptyTag","meta",[{"namespace": null, "name": "http-equiv", "value": "content-type"}, {"namespace": null, "name": "content", "value": "text/html; charset=ascii"}]], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta content=\"text/html; charset=utf-8\" http-equiv=content-type>"],
+ "xhtml":    ["<head><meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\" /></head>"]
+},
+
+{"description": "head w/robots & charset in http-equiv content-type",
+ "options": {"inject_meta_charset": true, "encoding":"utf-8"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EmptyTag","meta",[{"namespace": null, "name": "name", "value": "robots"},{"namespace": null, "name": "content", "value": "noindex"}]], ["EmptyTag","meta",[{"namespace": null, "name": "http-equiv", "value": "content-type"}, {"namespace": null, "name": "content", "value": "text/html; charset=ascii"}]], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": ["<meta content=noindex name=robots><meta content=\"text/html; charset=utf-8\" http-equiv=content-type>"],
+ "xhtml": ["<head><meta content=\"noindex\" name=\"robots\" /><meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\" /></head>"]
+}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/optionaltags.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/optionaltags.test
new file mode 100644
index 000000000..80a5edf89
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/optionaltags.test
@@ -0,0 +1,965 @@
+{"tests": [
+
+{"description": "html start-tag followed by text, with attributes",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "html", [{"namespace": null, "name": "lang", "value": "en"}]], ["Characters", "foo"]],
+ "expected": ["<html lang=en>foo"]
+},
+
+
+
+{"description": "html start-tag followed by comment",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "html", {}], ["Comment", "foo"]],
+ "expected": ["<html><!--foo-->"]
+},
+
+{"description": "html start-tag followed by space character",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "html", {}], ["Characters", " foo"]],
+ "expected": ["<html> foo"]
+},
+
+{"description": "html start-tag followed by text",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "html", {}], ["Characters", "foo"]],
+ "expected": ["foo"]
+},
+
+{"description": "html start-tag followed by start-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "html", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "html start-tag followed by end-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "html", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "html start-tag at EOF (shouldn't ever happen?!)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "html", {}]],
+ "expected": [""]
+},
+
+
+
+{"description": "html end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "html"], ["Comment", "foo"]],
+ "expected": ["</html><!--foo-->"]
+},
+
+{"description": "html end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "html"], ["Characters", " foo"]],
+ "expected": ["</html> foo"]
+},
+
+{"description": "html end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "html"], ["Characters", "foo"]],
+ "expected": ["foo"]
+},
+
+{"description": "html end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "html"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "html end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "html"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "html end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "html"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "head start-tag followed by comment",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["Comment", "foo"]],
+ "expected": ["<head><!--foo-->"]
+},
+
+{"description": "head start-tag followed by space character",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["Characters", " foo"]],
+ "expected": ["<head> foo"]
+},
+
+{"description": "head start-tag followed by text",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["Characters", "foo"]],
+ "expected": ["<head>foo"]
+},
+
+{"description": "head start-tag followed by start-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "head start-tag followed by end-tag (shouldn't ever happen?!)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["<head></foo>", "</foo>"]
+},
+
+{"description": "empty head element",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": [""]
+},
+
+{"description": "head start-tag followed by empty-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}], ["EmptyTag", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "head start-tag at EOF (shouldn't ever happen?!)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "head", {}]],
+ "expected": ["<head>", ""]
+},
+
+
+
+{"description": "head end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "head"], ["Comment", "foo"]],
+ "expected": ["</head><!--foo-->"]
+},
+
+{"description": "head end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "head"], ["Characters", " foo"]],
+ "expected": ["</head> foo"]
+},
+
+{"description": "head end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "head"], ["Characters", "foo"]],
+ "expected": ["foo"]
+},
+
+{"description": "head end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "head"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "head end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "head"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "head end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "head"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "body start-tag followed by comment",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "body", {}], ["Comment", "foo"]],
+ "expected": ["<body><!--foo-->"]
+},
+
+{"description": "body start-tag followed by space character",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "body", {}], ["Characters", " foo"]],
+ "expected": ["<body> foo"]
+},
+
+{"description": "body start-tag followed by text",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "body", {}], ["Characters", "foo"]],
+ "expected": ["foo"]
+},
+
+{"description": "body start-tag followed by start-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "body", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "body start-tag followed by end-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "body", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "body start-tag at EOF (shouldn't ever happen?!)",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "body", {}]],
+ "expected": [""]
+},
+
+
+
+{"description": "body end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "body"], ["Comment", "foo"]],
+ "expected": ["</body><!--foo-->"]
+},
+
+{"description": "body end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "body"], ["Characters", " foo"]],
+ "expected": ["</body> foo"]
+},
+
+{"description": "body end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "body"], ["Characters", "foo"]],
+ "expected": ["foo"]
+},
+
+{"description": "body end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "body"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "body end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "body"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "body end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "body"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "li end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "li"], ["Comment", "foo"]],
+ "expected": ["</li><!--foo-->"]
+},
+
+{"description": "li end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "li"], ["Characters", " foo"]],
+ "expected": ["</li> foo"]
+},
+
+{"description": "li end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "li"], ["Characters", "foo"]],
+ "expected": ["</li>foo"]
+},
+
+{"description": "li end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "li"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</li><foo>"]
+},
+
+{"description": "li end-tag followed by li start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "li"], ["StartTag", "http://www.w3.org/1999/xhtml", "li", {}]],
+ "expected": ["<li>"]
+},
+
+{"description": "li end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "li"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "li end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "li"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "dt end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"], ["Comment", "foo"]],
+ "expected": ["</dt><!--foo-->"]
+},
+
+{"description": "dt end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"], ["Characters", " foo"]],
+ "expected": ["</dt> foo"]
+},
+
+{"description": "dt end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"], ["Characters", "foo"]],
+ "expected": ["</dt>foo"]
+},
+
+{"description": "dt end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</dt><foo>"]
+},
+
+{"description": "dt end-tag followed by dt start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"], ["StartTag", "http://www.w3.org/1999/xhtml", "dt", {}]],
+ "expected": ["<dt>"]
+},
+
+{"description": "dt end-tag followed by dd start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"], ["StartTag", "http://www.w3.org/1999/xhtml", "dd", {}]],
+ "expected": ["<dd>"]
+},
+
+{"description": "dt end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</dt></foo>"]
+},
+
+{"description": "dt end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dt"]],
+ "expected": ["</dt>"]
+},
+
+
+
+
+{"description": "dd end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"], ["Comment", "foo"]],
+ "expected": ["</dd><!--foo-->"]
+},
+
+{"description": "dd end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"], ["Characters", " foo"]],
+ "expected": ["</dd> foo"]
+},
+
+{"description": "dd end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"], ["Characters", "foo"]],
+ "expected": ["</dd>foo"]
+},
+
+{"description": "dd end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</dd><foo>"]
+},
+
+{"description": "dd end-tag followed by dd start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"], ["StartTag", "http://www.w3.org/1999/xhtml", "dd", {}]],
+ "expected": ["<dd>"]
+},
+
+{"description": "dd end-tag followed by dt start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"], ["StartTag", "http://www.w3.org/1999/xhtml", "dt", {}]],
+ "expected": ["<dt>"]
+},
+
+{"description": "dd end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "dd end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "dd"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "p end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["Comment", "foo"]],
+ "expected": ["</p><!--foo-->"]
+},
+
+{"description": "p end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["Characters", " foo"]],
+ "expected": ["</p> foo"]
+},
+
+{"description": "p end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["Characters", "foo"]],
+ "expected": ["</p>foo"]
+},
+
+{"description": "p end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</p><foo>"]
+},
+
+{"description": "p end-tag followed by address start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "address", {}]],
+ "expected": ["<address>"]
+},
+
+{"description": "p end-tag followed by article start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "article", {}]],
+ "expected": ["<article>"]
+},
+
+{"description": "p end-tag followed by aside start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "aside", {}]],
+ "expected": ["<aside>"]
+},
+
+{"description": "p end-tag followed by blockquote start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "blockquote", {}]],
+ "expected": ["<blockquote>"]
+},
+
+{"description": "p end-tag followed by datagrid start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "datagrid", {}]],
+ "expected": ["<datagrid>"]
+},
+
+{"description": "p end-tag followed by dialog start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "dialog", {}]],
+ "expected": ["<dialog>"]
+},
+
+{"description": "p end-tag followed by dir start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "dir", {}]],
+ "expected": ["<dir>"]
+},
+
+{"description": "p end-tag followed by div start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "div", {}]],
+ "expected": ["<div>"]
+},
+
+{"description": "p end-tag followed by dl start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "dl", {}]],
+ "expected": ["<dl>"]
+},
+
+{"description": "p end-tag followed by fieldset start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "fieldset", {}]],
+ "expected": ["<fieldset>"]
+},
+
+{"description": "p end-tag followed by footer start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "footer", {}]],
+ "expected": ["<footer>"]
+},
+
+{"description": "p end-tag followed by form start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "form", {}]],
+ "expected": ["<form>"]
+},
+
+{"description": "p end-tag followed by h1 start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "h1", {}]],
+ "expected": ["<h1>"]
+},
+
+{"description": "p end-tag followed by h2 start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "h2", {}]],
+ "expected": ["<h2>"]
+},
+
+{"description": "p end-tag followed by h3 start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "h3", {}]],
+ "expected": ["<h3>"]
+},
+
+{"description": "p end-tag followed by h4 start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "h4", {}]],
+ "expected": ["<h4>"]
+},
+
+{"description": "p end-tag followed by h5 start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "h5", {}]],
+ "expected": ["<h5>"]
+},
+
+{"description": "p end-tag followed by h6 start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "h6", {}]],
+ "expected": ["<h6>"]
+},
+
+{"description": "p end-tag followed by header start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "header", {}]],
+ "expected": ["<header>"]
+},
+
+{"description": "p end-tag followed by hr empty-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["EmptyTag", "hr", {}]],
+ "expected": ["<hr>"]
+},
+
+{"description": "p end-tag followed by menu start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "menu", {}]],
+ "expected": ["<menu>"]
+},
+
+{"description": "p end-tag followed by nav start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "nav", {}]],
+ "expected": ["<nav>"]
+},
+
+{"description": "p end-tag followed by ol start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "ol", {}]],
+ "expected": ["<ol>"]
+},
+
+{"description": "p end-tag followed by p start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "p", {}]],
+ "expected": ["<p>"]
+},
+
+{"description": "p end-tag followed by pre start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "pre", {}]],
+ "expected": ["<pre>"]
+},
+
+{"description": "p end-tag followed by section start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "section", {}]],
+ "expected": ["<section>"]
+},
+
+{"description": "p end-tag followed by table start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "table", {}]],
+ "expected": ["<table>"]
+},
+
+{"description": "p end-tag followed by ul start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["StartTag", "http://www.w3.org/1999/xhtml", "ul", {}]],
+ "expected": ["<ul>"]
+},
+
+{"description": "p end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "p end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "p"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "optgroup end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "optgroup"], ["Comment", "foo"]],
+ "expected": ["</optgroup><!--foo-->"]
+},
+
+{"description": "optgroup end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "optgroup"], ["Characters", " foo"]],
+ "expected": ["</optgroup> foo"]
+},
+
+{"description": "optgroup end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "optgroup"], ["Characters", "foo"]],
+ "expected": ["</optgroup>foo"]
+},
+
+{"description": "optgroup end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "optgroup"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</optgroup><foo>"]
+},
+
+{"description": "optgroup end-tag followed by optgroup start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "optgroup"], ["StartTag", "http://www.w3.org/1999/xhtml", "optgroup", {}]],
+ "expected": ["<optgroup>"]
+},
+
+{"description": "optgroup end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "optgroup"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "optgroup end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "optgroup"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "option end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"], ["Comment", "foo"]],
+ "expected": ["</option><!--foo-->"]
+},
+
+{"description": "option end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"], ["Characters", " foo"]],
+ "expected": ["</option> foo"]
+},
+
+{"description": "option end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"], ["Characters", "foo"]],
+ "expected": ["</option>foo"]
+},
+
+{"description": "option end-tag followed by optgroup start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"], ["StartTag", "http://www.w3.org/1999/xhtml", "optgroup", {}]],
+ "expected": ["<optgroup>"]
+},
+
+{"description": "option end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</option><foo>"]
+},
+
+{"description": "option end-tag followed by option start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"], ["StartTag", "http://www.w3.org/1999/xhtml", "option", {}]],
+ "expected": ["<option>"]
+},
+
+{"description": "option end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "option end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "option"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "colgroup start-tag followed by comment",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}], ["Comment", "foo"]],
+ "expected": ["<colgroup><!--foo-->"]
+},
+
+{"description": "colgroup start-tag followed by space character",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}], ["Characters", " foo"]],
+ "expected": ["<colgroup> foo"]
+},
+
+{"description": "colgroup start-tag followed by text",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}], ["Characters", "foo"]],
+ "expected": ["<colgroup>foo"]
+},
+
+{"description": "colgroup start-tag followed by start-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<colgroup><foo>"]
+},
+
+{"description": "first colgroup in a table with a col child",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "table", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}], ["EmptyTag", "col", {}]],
+ "expected": ["<table><col>"]
+},
+
+{"description": "colgroup with a col child, following another colgroup",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "colgroup"], ["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "col", {}]],
+ "expected": ["</colgroup><col>", "<colgroup><col>"]
+},
+
+{"description": "colgroup start-tag followed by end-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["<colgroup></foo>"]
+},
+
+{"description": "colgroup start-tag at EOF",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "colgroup", {}]],
+ "expected": ["<colgroup>"]
+},
+
+
+
+{"description": "colgroup end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "colgroup"], ["Comment", "foo"]],
+ "expected": ["</colgroup><!--foo-->"]
+},
+
+{"description": "colgroup end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "colgroup"], ["Characters", " foo"]],
+ "expected": ["</colgroup> foo"]
+},
+
+{"description": "colgroup end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "colgroup"], ["Characters", "foo"]],
+ "expected": ["foo"]
+},
+
+{"description": "colgroup end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "colgroup"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<foo>"]
+},
+
+{"description": "colgroup end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "colgroup"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "colgroup end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "colgroup"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "thead end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["Comment", "foo"]],
+ "expected": ["</thead><!--foo-->"]
+},
+
+{"description": "thead end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["Characters", " foo"]],
+ "expected": ["</thead> foo"]
+},
+
+{"description": "thead end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["Characters", "foo"]],
+ "expected": ["</thead>foo"]
+},
+
+{"description": "thead end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</thead><foo>"]
+},
+
+{"description": "thead end-tag followed by tbody start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}]],
+ "expected": ["<tbody>"]
+},
+
+{"description": "thead end-tag followed by tfoot start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["StartTag", "http://www.w3.org/1999/xhtml", "tfoot", {}]],
+ "expected": ["<tfoot>"]
+},
+
+{"description": "thead end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</thead></foo>"]
+},
+
+{"description": "thead end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"]],
+ "expected": ["</thead>"]
+},
+
+
+
+
+{"description": "tbody start-tag followed by comment",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["Comment", "foo"]],
+ "expected": ["<tbody><!--foo-->"]
+},
+
+{"description": "tbody start-tag followed by space character",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["Characters", " foo"]],
+ "expected": ["<tbody> foo"]
+},
+
+{"description": "tbody start-tag followed by text",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["Characters", "foo"]],
+ "expected": ["<tbody>foo"]
+},
+
+{"description": "tbody start-tag followed by start-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["<tbody><foo>"]
+},
+
+{"description": "first tbody in a table with a tr child",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "table", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "tr", {}]],
+ "expected": ["<table><tr>"]
+},
+
+{"description": "tbody with a tr child, following another tbody",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "tr", {}]],
+ "expected": ["<tbody><tr>", "</tbody><tr>"]
+},
+
+{"description": "tbody with a tr child, following a thead",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "thead"], ["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "tr", {}]],
+ "expected": ["<tbody><tr>", "</thead><tr>"]
+},
+
+{"description": "tbody with a tr child, following a tfoot",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"], ["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["StartTag", "http://www.w3.org/1999/xhtml", "tr", {}]],
+ "expected": ["<tbody><tr>", "</tfoot><tr>"]
+},
+
+{"description": "tbody start-tag followed by end-tag",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["<tbody></foo>"]
+},
+
+{"description": "tbody start-tag at EOF",
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}]],
+ "expected": ["<tbody>"]
+},
+
+
+
+{"description": "tbody end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["Comment", "foo"]],
+ "expected": ["</tbody><!--foo-->"]
+},
+
+{"description": "tbody end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["Characters", " foo"]],
+ "expected": ["</tbody> foo"]
+},
+
+{"description": "tbody end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["Characters", "foo"]],
+ "expected": ["</tbody>foo"]
+},
+
+{"description": "tbody end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</tbody><foo>"]
+},
+
+{"description": "tbody end-tag followed by tbody start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}]],
+ "expected": ["<tbody>", "</tbody>"]
+},
+
+{"description": "tbody end-tag followed by tfoot start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["StartTag", "http://www.w3.org/1999/xhtml", "tfoot", {}]],
+ "expected": ["<tfoot>"]
+},
+
+{"description": "tbody end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "tbody end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tbody"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "tfoot end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"], ["Comment", "foo"]],
+ "expected": ["</tfoot><!--foo-->"]
+},
+
+{"description": "tfoot end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"], ["Characters", " foo"]],
+ "expected": ["</tfoot> foo"]
+},
+
+{"description": "tfoot end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"], ["Characters", "foo"]],
+ "expected": ["</tfoot>foo"]
+},
+
+{"description": "tfoot end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</tfoot><foo>"]
+},
+
+{"description": "tfoot end-tag followed by tbody start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"], ["StartTag", "http://www.w3.org/1999/xhtml", "tbody", {}]],
+ "expected": ["<tbody>", "</tfoot>"]
+},
+
+{"description": "tfoot end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "tfoot end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tfoot"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "tr end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tr"], ["Comment", "foo"]],
+ "expected": ["</tr><!--foo-->"]
+},
+
+{"description": "tr end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tr"], ["Characters", " foo"]],
+ "expected": ["</tr> foo"]
+},
+
+{"description": "tr end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tr"], ["Characters", "foo"]],
+ "expected": ["</tr>foo"]
+},
+
+{"description": "tr end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tr"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</tr><foo>"]
+},
+
+{"description": "tr end-tag followed by tr start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tr"], ["StartTag", "http://www.w3.org/1999/xhtml", "tr", {}]],
+ "expected": ["<tr>", "</tr>"]
+},
+
+{"description": "tr end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tr"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "tr end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "tr"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "td end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"], ["Comment", "foo"]],
+ "expected": ["</td><!--foo-->"]
+},
+
+{"description": "td end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"], ["Characters", " foo"]],
+ "expected": ["</td> foo"]
+},
+
+{"description": "td end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"], ["Characters", "foo"]],
+ "expected": ["</td>foo"]
+},
+
+{"description": "td end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</td><foo>"]
+},
+
+{"description": "td end-tag followed by td start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"], ["StartTag", "http://www.w3.org/1999/xhtml", "td", {}]],
+ "expected": ["<td>", "</td>"]
+},
+
+{"description": "td end-tag followed by th start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"], ["StartTag", "http://www.w3.org/1999/xhtml", "th", {}]],
+ "expected": ["<th>", "</td>"]
+},
+
+{"description": "td end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "td end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "td"]],
+ "expected": [""]
+},
+
+
+
+
+{"description": "th end-tag followed by comment",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "th"], ["Comment", "foo"]],
+ "expected": ["</th><!--foo-->"]
+},
+
+{"description": "th end-tag followed by space character",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "th"], ["Characters", " foo"]],
+ "expected": ["</th> foo"]
+},
+
+{"description": "th end-tag followed by text",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "th"], ["Characters", "foo"]],
+ "expected": ["</th>foo"]
+},
+
+{"description": "th end-tag followed by start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "th"], ["StartTag", "http://www.w3.org/1999/xhtml", "foo", {}]],
+ "expected": ["</th><foo>"]
+},
+
+{"description": "th end-tag followed by th start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "th"], ["StartTag", "http://www.w3.org/1999/xhtml", "th", {}]],
+ "expected": ["<th>", "</th>"]
+},
+
+{"description": "th end-tag followed by td start-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "th"], ["StartTag", "http://www.w3.org/1999/xhtml", "td", {}]],
+ "expected": ["<td>", "</th>"]
+},
+
+{"description": "th end-tag followed by end-tag",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml", "th"], ["EndTag", "http://www.w3.org/1999/xhtml", "foo"]],
+ "expected": ["</foo>"]
+},
+
+{"description": "th end-tag at EOF",
+ "input": [["EndTag", "http://www.w3.org/1999/xhtml"    , "th"]],
+ "expected": [""]
+}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/options.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/options.test
new file mode 100644
index 000000000..6f342dd3f
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/options.test
@@ -0,0 +1,60 @@
+{"tests":[
+
+{"description": "quote_char=\"'\"",
+ "options": {"quote_char": "'"},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "span", [{"namespace": null, "name": "title", "value": "test 'with' quote_char"}]]],
+ "expected": ["<span title='test &#39;with&#39; quote_char'>"]
+},
+
+{"description": "quote_attr_values=true",
+ "options": {"quote_attr_values": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "button", [{"namespace": null, "name": "disabled", "value" :"disabled"}]]],
+ "expected": ["<button disabled>"],
+ "xhtml":    ["<button disabled=\"disabled\">"]
+},
+
+{"description": "quote_attr_values=true with irrelevant",
+ "options": {"quote_attr_values": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "div", [{"namespace": null, "name": "irrelevant", "value" :"irrelevant"}]]],
+ "expected": ["<div irrelevant>"],
+ "xhtml":    ["<div irrelevant=\"irrelevant\">"]
+},
+
+{"description": "use_trailing_solidus=true with void element",
+ "options": {"use_trailing_solidus": true},
+ "input": [["EmptyTag", "img", {}]],
+ "expected": ["<img />"]
+},
+
+{"description": "use_trailing_solidus=true with non-void element",
+ "options": {"use_trailing_solidus": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "div", {}]],
+ "expected": ["<div>"]
+},
+
+{"description": "minimize_boolean_attributes=false",
+ "options": {"minimize_boolean_attributes": false},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "div", [{"namespace": null, "name": "irrelevant", "value" :"irrelevant"}]]],
+ "expected": ["<div irrelevant=irrelevant>"],
+ "xhtml":    ["<div irrelevant=\"irrelevant\">"]
+},
+
+{"description": "minimize_boolean_attributes=false with empty value",
+ "options": {"minimize_boolean_attributes": false},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "div", [{"namespace": null, "name": "irrelevant", "value" :""}]]],
+ "expected": ["<div irrelevant=\"\">"]
+},
+
+{"description": "escape less than signs in attribute values",
+ "options": {"escape_lt_in_attrs": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "a", [{"namespace": null, "name": "title", "value": "a<b>c&d"}]]],
+ "expected": ["<a title=\"a&lt;b>c&amp;d\">"]
+},
+
+{"description": "rcdata",
+ "options": {"escape_rcdata": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "script", {}], ["Characters", "a<b>c&d"]],
+ "expected": ["<script>a&lt;b&gt;c&amp;d"]
+}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/whitespace.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/whitespace.test
new file mode 100644
index 000000000..e5d050d3b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/serializer/whitespace.test
@@ -0,0 +1,51 @@
+{"tests": [
+
+{"description": "bare text with leading spaces",
+ "options": {"strip_whitespace": true},
+ "input": [["Characters", "\t\r\n\u000C foo"]],
+ "expected": [" foo"]
+},
+
+{"description": "bare text with trailing spaces",
+ "options": {"strip_whitespace": true},
+ "input": [["Characters", "foo \t\r\n\u000C"]],
+ "expected": ["foo "]
+},
+
+{"description": "bare text with inner spaces",
+ "options": {"strip_whitespace": true},
+ "input": [["Characters", "foo \t\r\n\u000C bar"]],
+ "expected": ["foo bar"]
+},
+
+{"description": "text within <pre>",
+ "options": {"strip_whitespace": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "pre", {}], ["Characters", "\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C"], ["EndTag", "http://www.w3.org/1999/xhtml", "pre"]],
+ "expected": ["<pre>\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C</pre>"]
+},
+
+{"description": "text within <pre>, with inner markup",
+ "options": {"strip_whitespace": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "pre", {}], ["Characters", "\t\r\n\u000C fo"], ["StartTag", "http://www.w3.org/1999/xhtml", "span", {}], ["Characters", "o \t\r\n\u000C b"], ["EndTag", "http://www.w3.org/1999/xhtml", "span"], ["Characters", "ar \t\r\n\u000C"], ["EndTag", "http://www.w3.org/1999/xhtml", "pre"]],
+ "expected": ["<pre>\t\r\n\u000C fo<span>o \t\r\n\u000C b</span>ar \t\r\n\u000C</pre>"]
+},
+
+{"description": "text within <textarea>",
+ "options": {"strip_whitespace": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "textarea", {}], ["Characters", "\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C"], ["EndTag", "http://www.w3.org/1999/xhtml", "textarea"]],
+ "expected": ["<textarea>\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C</textarea>"]
+},
+
+{"description": "text within <script>",
+ "options": {"strip_whitespace": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "script", {}], ["Characters", "\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C"], ["EndTag", "http://www.w3.org/1999/xhtml", "script"]],
+ "expected": ["<script>\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C</script>"]
+},
+
+{"description": "text within <style>",
+ "options": {"strip_whitespace": true},
+ "input": [["StartTag", "http://www.w3.org/1999/xhtml", "style", {}], ["Characters", "\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C"], ["EndTag", "http://www.w3.org/1999/xhtml", "style"]],
+ "expected": ["<style>\t\r\n\u000C foo \t\r\n\u000C bar \t\r\n\u000C</style>"]
+}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/sniffer/htmlOrFeed.json b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/sniffer/htmlOrFeed.json
new file mode 100644
index 000000000..c1506dbcd
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/sniffer/htmlOrFeed.json
@@ -0,0 +1,43 @@
+[
+    {"type": "text/html", "input": ""},
+    {"type": "text/html", "input": "<!---->"},
+    {"type": "text/html", "input": "<!--asdfaslkjdf;laksjdf as;dkfjsd-->"},
+    {"type": "text/html", "input": "<!"},
+    {"type": "text/html", "input": "\t"},
+    {"type": "text/html", "input": "<!>"},
+    {"type": "text/html", "input": "<?"},
+    {"type": "text/html", "input": "<??>"},
+    {"type": "application/rss+xml", "input": "<rss"},
+    {"type": "application/atom+xml", "input": "<feed"},
+    {"type": "text/html", "input": "<html"},
+    {"type": "text/html", "input": "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n<html><head>\n<title>302 Found</title>\n</head><body>\n<h1>Found</h1>\n<p>The document has moved <a href=\"http://feeds.feedburner.com/gofug\">here</a>.</p>\n</body></html>\n"},
+    {"type": "text/html", "input": "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">\r\n<HTML><HEAD>\r\n   <link rel=\"stylesheet\" type=\"text/css\" href=\"http://cache.blogads.com/289619328/feed.css\" /><link rel=\"stylesheet\" type=\"text/css\" href=\"http://cache.blogads.com/431602649/feed.css\" />\r\n<link rel=\"stylesheet\" type=\"text/css\" href=\"http://cache.blogads.com/382549546/feed.css\" />\r\n<link rel=\"stylesheet\" type=\"text/css\" href=\"http://cache.blogads.com/314618017/feed.css\" /><META http-equiv=\"expires\" content="},
+    {"type": "text/html", "input": "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\r\n<html>\r\n<head>\r\n<title>Xiaxue - Chicken pie blogger.</title><meta http-equiv=\"Content-Type\" content=\"text/html; charset=iso-8859-1\"><style type=\"text/css\">\r\n<style type=\"text/css\">\r\n<!--\r\nbody {\r\n background-color: #FFF2F2;\r\n}\r\n.style1 {font-family: Georgia, \"Times New Roman\", Times, serif}\r\n.style2 {\r\n color: #8a567c;\r\n font-size: 14px;\r\n font-family: Georgia, \"Times New Roman\", Times, serif;\r\n}\r"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"><html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\r\n<head> \r\n<title>Google Operating System</title>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\r\n<meta name=\"Description\" content=\"Unofficial news and tips about Google. A blog that watches Google's latest developments and the attempts to move your operating system online.\" />\r\n<meta name=\"generator\" c"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"><html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\r\n<head>\r\n  <title>Assimilated Press</title>  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\r\n<meta name=\"MSSmartTagsPreventParsing\" content=\"true\" />\r\n<meta name=\"generator\" content=\"Blogger\" />\r\n<link rel=\"alternate\" type=\"application/atom+xml\" title=\"Assimilated Press - Atom\" href=\"http://assimila"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"><html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\r\n<head>\r\n  <title>PostSecret</title>\r\n<META name=\"keywords\" Content=\"secrets, postcard, secret, postcards, postsecret, postsecrets,online confessional, post secret, post secrets, artomatic, post a secret\"><META name=\"discription\" Content=\"See a Secret...Share a Secret\">  <meta http-equiv=\"Content-Type\" content=\"te"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n<html xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>\n  <head>\n    \n  <meta content='text/html; charset=UTF-8' http-equiv='Content-Type'/>\n  <meta content='true' name='MSSmartTagsPreventParsing'/>\n  <meta content='blogger' name='generator'/>\n  <link rel=\"alternate\" typ"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" dir=\"ltr\" lang=\"ja\">\n<head profile=\"http://gmpg.org/xfn/11\"> \n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />  \n<title> CMS Lever</title><link rel=\"stylesheet\" type=\"text/css\" media=\"screen\" href=\"http://s.wordpress.com/wp-content/themes/pub/twenty-eight/2813.css\"/>\n<link rel=\"alternate\" type=\"application/rss+xml\" title=\"RSS 2.0\" h"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n    \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" dir=\"ltr\" lang=\"en\"><head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n<title> Park Avenue Peerage</title>\t<meta name=\"generator\" content=\"WordPress.com\" />\t<!-- feeds -->\n\t<link rel=\"alternate\" type=\"application/rss+xml\" title=\"RSS 2.0\" href=\"http://parkavenuepeerage.wordpress.com/feed/\" />\t<link rel=\"pingback\" href="},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n    \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" dir=\"ltr\" lang=\"ja\"><head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n<title> \u884c\u96f2\u6d41\u6c34 -like a floating clouds and running water-</title>\t<meta name=\"generator\" content=\"WordPress.com\" />\t<!-- feeds -->\n\t<link rel=\"alternate\" type=\"application/rss+xml\" title=\"RSS 2.0\" href=\"http://shw4.wordpress.com/feed/\" />\t<li"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"><html xmlns=\"http://www.w3.org/1999/xhtml\">\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n<meta name=\"generator\" content=\"http://www.typepad.com/\" />\n<title>Go Fug Yourself</title><link rel=\"stylesheet\" href=\"http://gofugyourself.typepad.com/go_fug_yourself/styles.css\" type=\"text/css\" />\n<link rel=\"alternate\" type=\"application/atom+xml\" title=\"Atom\" "},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" dir=\"ltr\" lang=\"en\"><head profile=\"http://gmpg.org/xfn/11\">\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" /><title> Ladies&#8230;</title><meta name=\"generator\" content=\"WordPress.com\" /> <!-- leave this for stats --><link rel=\"stylesheet\" href=\"http://s.wordpress.com/wp-content/themes/default/style.css?1\" type=\"tex"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\r\n<html xmlns=\"http://www.w3.org/1999/xhtml\">\r\n<head>\r\n  <title>The Sartorialist</title>  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\r\n<meta name=\"MSSmartTagsPreventParsing\" content=\"true\" />\r\n<meta name=\"generator\" content=\"Blogger\" />\r\n<link rel=\"alternate\" type=\"application/atom+xml\" title=\"The Sartorialist - Atom\" href=\"http://thesartorialist.blogspot"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \n     \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"><html  xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\">\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\" />\n<meta name=\"generator\" content=\"http://www.typepad.com/\" />\n<title>Creating Passionate Users</title><link rel=\"stylesheet\" href=\"http://headrush.typepad.com/creating_passionate_users/styles.css\" type=\"text/css\" />\n<link rel=\"alternate\" type"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n\t\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" id=\"sixapart-standard\">\n<head>\n\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n\t<meta name=\"generator\" content=\"http://www.typepad.com/\" />\n\t\n\t\n    <meta name=\"keywords\" content=\"marketing, blog, seth, ideas, respect, permission\" />\n    <meta name=\"description\" content=\"Seth Godin's riffs on marketing, respect, and the "},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n\t\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" id=\"sixapart-standard\">\n<head>\n\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n\t<meta name=\"generator\" content=\"http://www.typepad.com/\" />\n\t\n\t\n    \n    <meta name=\"description\" content=\" Western Civilization hangs in the balance. This blog is part of the solution,the cure. Get your heads out of the sand and Fight the G"},
+    {"type": "text/html", "input": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" dir=\"ltr\" lang=\"en\">\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=pahrefhttpwwwfeedburnercomtarget_blankimgsrchttpwwwfeedburnercomfbimagespubpowered_by_fbgifaltPoweredbyFeedBurnerstyleborder0ap\" />\n<title> From Under the Rotunda</title>\n<link rel=\"stylesheet\" href=\"http://s.wordpress.com/wp-content/themes/pub/andreas04/style.css\" type=\"text/css\""},
+    {"type": "application/atom+xml", "input": "<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href=\"http://www.blogger.com/styles/atom.css\" type=\"text/css\"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/'><id>tag:blogger.com,1999:blog-10861780</id><updated>2007-07-27T12:38:50.888-07:00</updated><title type='text'>Official Google Blog</title><link rel='alternate' type='text/html' href='http://googleblog.blogspot.com/'/><link rel='next' type='application/atom+xml' href='http://googleblog.blogs"},
+    {"type": "application/rss+xml", "input": "<?xml version='1.0' encoding='UTF-8'?><rss xmlns:atom='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' version='2.0'><channel><atom:id>tag:blogger.com,1999:blog-10861780</atom:id><lastBuildDate>Fri, 27 Jul 2007 19:38:50 +0000</lastBuildDate><title>Official Google Blog</title><description/><link>http://googleblog.blogspot.com/</link><managingEditor>Eric Case</managingEditor><generator>Blogger</generator><openSearch:totalResults>729</openSearch:totalResults><openSearc"},
+    {"type": "application/rss+xml", "input": "<?xml version=\"1.0\" encoding=\"pahrefhttpwwwfeedburnercomtarget_blankimgsrchttpwwwfeedburnercomfbimagespubpowered_by_fbgifaltPoweredbyFeedBurnerstyleborder0ap\"?>\n<!-- generator=\"wordpress/MU\" -->\n<rss version=\"2.0\"\n\txmlns:content=\"http://purl.org/rss/1.0/modules/content/\"\n\txmlns:wfw=\"http://wellformedweb.org/CommentAPI/\"\n\txmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n\t><channel>\n\t<title>From Under the Rotunda</title>\n\t<link>http://dannybernardi.wordpress.com</link>\n\t<description>The Monographs of Danny Ber"},
+    {"type": "application/rss+xml", "input": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!-- generator=\"wordpress/MU\" -->\n<rss version=\"2.0\"\n\txmlns:content=\"http://purl.org/rss/1.0/modules/content/\"\n\txmlns:wfw=\"http://wellformedweb.org/CommentAPI/\"\n\txmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n\t><channel>\n\t<title>CMS Lever</title>\n\t<link>http://kanaguri.wordpress.com</link>\n\t<description>CMS\u306e\u6c17\u306b\u306a\u3063\u305f\u3053\u3068</description>\n\t<pubDate>Wed, 18 Jul 2007 21:26:22 +0000</pubDate>\n\t<generator>http://wordpress.org/?v=MU</generator>\n\t<language>ja</languag"},
+    {"type": "application/atom+xml", "input": "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<feed xmlns=\"http://www.w3.org/2005/Atom\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:thr=\"http://purl.org/syndication/thread/1.0\">\n    <title>Atlas Shrugs</title>\n    <link rel=\"self\" type=\"application/atom+xml\" href=\"http://atlasshrugs2000.typepad.com/atlas_shrugs/atom.xml\" />\n    <link rel=\"alternate\" type=\"text/html\" href=\"http://atlasshrugs2000.typepad.com/atlas_shrugs/\" />\n    <id>tag:typepad.com,2003:weblog-132946</id>\n    <updated>2007-08-15T16:07:34-04"},
+    {"type": "application/atom+xml", "input": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/atom10full.xsl\" type=\"text/xsl\" media=\"screen\"?><?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/itemcontent.css\" type=\"text/css\" media=\"screen\"?><feed xmlns=\"http://www.w3.org/2005/Atom\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:thr=\"http://purl.org/syndication/thread/1.0\" xmlns:feedburner=\"http://rssnamespace.org/feedburner/ext/1.0\">\r\n    <title>Creating Passionate Users</title>\r\n  "},
+    {"type": "application/atom+xml", "input": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/atom10full.xsl\" type=\"text/xsl\" media=\"screen\"?><?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/itemcontent.css\" type=\"text/css\" media=\"screen\"?><feed xmlns=\"http://www.w3.org/2005/Atom\" xmlns:feedburner=\"http://rssnamespace.org/feedburner/ext/1.0\">\r\n    <title>Seth's Blog</title>\r\n    <link rel=\"alternate\" type=\"text/html\" href=\"http://sethgodin.typepad.com/seths_blog/\" />\r\n    <link rel=\"s"},
+    {"type": "application/atom+xml", "input": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/atom10full.xsl\" type=\"text/xsl\" media=\"screen\"?><?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/itemcontent.css\" type=\"text/css\" media=\"screen\"?><feed xmlns=\"http://www.w3.org/2005/Atom\" xmlns:openSearch=\"http://a9.com/-/spec/opensearchrss/1.0/\" xmlns:feedburner=\"http://rssnamespace.org/feedburner/ext/1.0\"><id>tag:blogger.com,1999:blog-32454861</id><updated>2007-07-31T21:44:09.867+02:00</upd"},
+    {"type": "application/atom+xml", "input": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/atomfull.xsl\" type=\"text/xsl\" media=\"screen\"?><?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/itemcontent.css\" type=\"text/css\" media=\"screen\"?><feed xmlns=\"http://purl.org/atom/ns#\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:feedburner=\"http://rssnamespace.org/feedburner/ext/1.0\" version=\"0.3\">\r\n  <title>Go Fug Yourself</title>\r\n  <link rel=\"alternate\" type=\"text/html\" href=\"http://go"},
+    {"type": "application/rss+xml", "input": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/rss2full.xsl\" type=\"text/xsl\" media=\"screen\"?><?xml-stylesheet href=\"http://feeds.feedburner.com/~d/styles/itemcontent.css\" type=\"text/css\" media=\"screen\"?><rss xmlns:creativeCommons=\"http://backend.userland.com/creativeCommonsRssModule\" xmlns:feedburner=\"http://rssnamespace.org/feedburner/ext/1.0\" version=\"2.0\"><channel><title>Google Operating System</title><link>http://googlesystem.blogspot.com/</link>"},
+    {"type": "application/rss+xml", "input": "<?xml version=\"1.0\" encoding=\"\"?>\n<!-- generator=\"wordpress/MU\" -->\n<rss version=\"2.0\"\n\txmlns:content=\"http://purl.org/rss/1.0/modules/content/\"\n\txmlns:wfw=\"http://wellformedweb.org/CommentAPI/\"\n\txmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n\t><channel>\n\t<title>Nunublog</title>\n\t<link>http://nunubh.wordpress.com</link>\n\t<description>Just Newbie Blog!</description>\n\t<pubDate>Mon, 09 Jul 2007 18:54:09 +0000</pubDate>\n\t<generator>http://wordpress.org/?v=MU</generator>\n\t<language>id</language>\n\t\t\t<item>\n\t\t<ti"},
+    {"type": "text/html", "input": "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\r\n<HEAD>\r\n<TITLE>Design*Sponge</TITLE><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\r\n<meta name=\"MSSmartTagsPreventParsing\" content=\"true\" />\r\n<meta name=\"generator\" content=\"Blogger\" />\r\n<link rel=\"alternate\" type=\"application/atom+xml\" title=\"Design*Sponge - Atom\" href=\"http://designsponge.blogspot.com/feeds/posts/default\" />\r\n<link rel=\"alternate\" type=\"application/rss+xml\" title=\"Design*Sponge - RSS\" href="},
+    {"type": "text/html", "input": "<HTML>\n<HEAD>\n<TITLE>Moved Temporarily</TITLE>\n</HEAD>\n<BODY BGCOLOR=\"#FFFFFF\" TEXT=\"#000000\">\n<H1>Moved Temporarily</H1>\nThe document has moved <A HREF=\"http://feeds.feedburner.com/thesecretdiaryofstevejobs\">here</A>.\n</BODY>\n</HTML>\n"}
+]
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/README.md b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/README.md
new file mode 100644
index 000000000..4218c26bb
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/README.md
@@ -0,0 +1,104 @@
+Tokenizer tests
+===============
+
+The test format is [JSON](http://www.json.org/). This has the advantage
+that the syntax allows backward-compatible extensions to the tests and
+the disadvantage that it is relatively verbose.
+
+Basic Structure
+---------------
+
+    {"tests": [
+        {"description": "Test description",
+        "input": "input_string",
+        "output": [expected_output_tokens],
+        "initialStates": [initial_states],
+        "lastStartTag": last_start_tag,
+        "ignoreErrorOrder": ignore_error_order
+        }
+    ]}
+
+Multiple tests per file are allowed simply by adding more objects to the
+"tests" list.
+
+`description`, `input` and `output` are always present. The other values
+are optional.
+
+### Test set-up
+
+`test.input` is a string containing the characters to pass to the
+tokenizer. Specifically, it represents the characters of the **input
+stream**, and so implementations are expected to perform the processing
+described in the spec's **Preprocessing the input stream** section
+before feeding the result to the tokenizer.
+
+If `test.doubleEscaped` is present and `true`, then `test.input` is not
+quite as described above. Instead, it must first be subjected to another
+round of unescaping (i.e., in addition to any unescaping involved in the
+JSON import), and the result of *that* represents the characters of the
+input stream. Currently, the only unescaping required by this option is
+to convert each sequence of the form \\uHHHH (where H is a hex digit)
+into the corresponding Unicode code point. (Note that this option also
+affects the interpretation of `test.output`.)
+
+`test.initialStates` is a list of strings, each being the name of a
+tokenizer state. The test should be run once for each string, using it
+to set the tokenizer's initial state for that run. If
+`test.initialStates` is omitted, it defaults to `["data state"]`.
+
+`test.lastStartTag` is a lowercase string that should be used as "the
+tag name of the last start tag to have been emitted from this
+tokenizer", referenced in the spec's definition of **appropriate end tag
+token**. If it is omitted, it is treated as if "no start tag has been
+emitted from this tokenizer".
+
+### Test results
+
+`test.output` is a list of tokens, ordered with the first produced by
+the tokenizer the first (leftmost) in the list. The list must mach the
+**complete** list of tokens that the tokenizer should produce. Valid
+tokens are:
+
+    ["DOCTYPE", name, public_id, system_id, correctness]
+    ["StartTag", name, {attributes}*, true*]
+    ["StartTag", name, {attributes}]
+    ["EndTag", name]
+    ["Comment", data]
+    ["Character", data]
+    "ParseError"
+
+`public_id` and `system_id` are either strings or `null`. `correctness`
+is either `true` or `false`; `true` corresponds to the force-quirks flag
+being false, and vice-versa.
+
+When the self-closing flag is set, the `StartTag` array has `true` as
+its fourth entry. When the flag is not set, the array has only three
+entries for backwards compatibility.
+
+All adjacent character tokens are coalesced into a single
+`["Character", data]` token.
+
+If `test.doubleEscaped` is present and `true`, then every string within
+`test.output` must be further unescaped (as described above) before
+comparing with the tokenizer's output.
+
+`test.ignoreErrorOrder` is a boolean value indicating that the order of
+`ParseError` tokens relative to other tokens in the output stream is
+unimportant, and implementations should ignore such differences between
+their output and `expected_output_tokens`. (This is used for errors
+emitted by the input stream preprocessing stage, since it is useful to
+test that code but it is undefined when the errors occur). If it is
+omitted, it defaults to `false`.
+
+xmlViolation tests
+------------------
+
+`tokenizer/xmlViolation.test` differs from the above in a couple of
+ways:
+
+-   The name of the single member of the top-level JSON object is
+    "xmlViolationTests" instead of "tests".
+-   Each test's expected output assumes that implementation is applying
+    the tweaks given in the spec's "Coercing an HTML DOM into an
+    infoset" section.
+
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/contentModelFlags.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/contentModelFlags.test
new file mode 100644
index 000000000..89b8170c6
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/contentModelFlags.test
@@ -0,0 +1,81 @@
+{"tests": [
+
+{"description":"PLAINTEXT content model flag",
+"initialStates":["PLAINTEXT state"],
+"lastStartTag":"plaintext",
+"input":"<head>&body;",
+"output":[["Character", "<head>&body;"]]},
+
+{"description":"End tag closing RCDATA or RAWTEXT",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo</xmp>",
+"output":[["Character", "foo"], ["EndTag", "xmp"]]},
+
+{"description":"End tag closing RCDATA or RAWTEXT (case-insensitivity)",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo</xMp>",
+"output":[["Character", "foo"], ["EndTag", "xmp"]]},
+
+{"description":"End tag closing RCDATA or RAWTEXT (ending with space)",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo</xmp ",
+"output":[["Character", "foo"], "ParseError"]},
+
+{"description":"End tag closing RCDATA or RAWTEXT (ending with EOF)",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo</xmp",
+"output":[["Character", "foo</xmp"]]},
+
+{"description":"End tag closing RCDATA or RAWTEXT (ending with slash)",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo</xmp/",
+"output":[["Character", "foo"], "ParseError"]},
+
+{"description":"End tag not closing RCDATA or RAWTEXT (ending with left-angle-bracket)",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo</xmp<",
+"output":[["Character", "foo</xmp<"]]},
+
+{"description":"End tag with incorrect name in RCDATA or RAWTEXT",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"</foo>bar</xmp>",
+"output":[["Character", "</foo>bar"], ["EndTag", "xmp"]]},
+
+{"description":"Partial end tags leading straight into partial end tags",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"</xmp</xmp</xmp>",
+"output":[["Character", "</xmp</xmp"], ["EndTag", "xmp"]]},
+
+{"description":"End tag with incorrect name in RCDATA or RAWTEXT (starting like correct name)",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"</foo>bar</xmpaar>",
+"output":[["Character", "</foo>bar</xmpaar>"]]},
+
+{"description":"End tag closing RCDATA or RAWTEXT, switching back to PCDATA",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo</xmp></baz>",
+"output":[["Character", "foo"], ["EndTag", "xmp"], ["EndTag", "baz"]]},
+
+{"description":"RAWTEXT w/ something looking like an entity",
+"initialStates":["RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"&foo;",
+"output":[["Character", "&foo;"]]},
+
+{"description":"RCDATA w/ an entity",
+"initialStates":["RCDATA state"],
+"lastStartTag":"textarea",
+"input":"&lt;",
+"output":[["Character", "<"]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/domjs.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/domjs.test
new file mode 100644
index 000000000..8f1e42f35
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/domjs.test
@@ -0,0 +1,96 @@
+{
+    "tests": [
+        {
+            "description":"CR in bogus comment state",
+            "input":"<?\u000d",
+            "output":["ParseError", ["Comment", "?\u000a"]]
+        },
+        {
+            "description":"CRLF in bogus comment state",
+            "input":"<?\u000d\u000a",
+            "output":["ParseError", ["Comment", "?\u000a"]]
+        },
+        {
+            "description":"CRLFLF in bogus comment state",
+            "input":"<?\u000d\u000a\u000a",
+            "output":["ParseError", ["Comment", "?\u000a\u000a"]]
+        },
+        {
+            "description":"NUL in RCDATA and RAWTEXT",
+            "doubleEscaped":true,
+            "initialStates":["RCDATA state", "RAWTEXT state"],
+            "input":"\\u0000",
+            "output":["ParseError", ["Character", "\\uFFFD"]]
+        },
+        {
+            "description":"leading U+FEFF must pass through",
+            "doubleEscaped":true,
+            "input":"\\uFEFFfoo\\uFEFFbar",
+            "output":[["Character", "\\uFEFFfoo\\uFEFFbar"]]
+        },
+        {
+            "description":"Non BMP-charref in in RCDATA",
+            "initialStates":["RCDATA state"],
+            "input":"&NotEqualTilde;",
+            "output":[["Character", "\u2242\u0338"]]
+        },
+        {
+            "description":"Bad charref in in RCDATA",
+            "initialStates":["RCDATA state"],
+            "input":"&NotEqualTild;",
+            "output":["ParseError", ["Character", "&NotEqualTild;"]]
+        },
+        {
+            "description":"lowercase endtags in RCDATA and RAWTEXT",
+            "initialStates":["RCDATA state", "RAWTEXT state"],
+            "lastStartTag":"xmp",
+            "input":"</XMP>",
+            "output":[["EndTag","xmp"]]
+        },
+        {
+            "description":"bad endtag in RCDATA and RAWTEXT",
+            "initialStates":["RCDATA state", "RAWTEXT state"],
+            "lastStartTag":"xmp",
+            "input":"</ XMP>",
+            "output":[["Character","</ XMP>"]]
+        },
+        {
+            "description":"bad endtag in RCDATA and RAWTEXT",
+            "initialStates":["RCDATA state", "RAWTEXT state"],
+            "lastStartTag":"xmp",
+            "input":"</xm>",
+            "output":[["Character","</xm>"]]
+        },
+        {
+            "description":"bad endtag in RCDATA and RAWTEXT",
+            "initialStates":["RCDATA state", "RAWTEXT state"],
+            "lastStartTag":"xmp",
+            "input":"</xm ",
+            "output":[["Character","</xm "]]
+        },
+        {
+            "description":"bad endtag in RCDATA and RAWTEXT",
+            "initialStates":["RCDATA state", "RAWTEXT state"],
+            "lastStartTag":"xmp",
+            "input":"</xm/",
+            "output":[["Character","</xm/"]]
+        },
+        {
+            "description":"Non BMP-charref in attribute",
+            "input":"<p id=\"&NotEqualTilde;\">",
+            "output":[["StartTag", "p", {"id":"\u2242\u0338"}]]
+        },
+        {
+            "description":"--!NUL in comment ",
+            "doubleEscaped":true,
+            "input":"<!----!\\u0000-->",
+            "output":["ParseError", "ParseError", ["Comment", "--!\\uFFFD"]]
+        },
+        {
+            "description":"space EOF after doctype ",
+            "input":"<!DOCTYPE html ",
+            "output":["ParseError", ["DOCTYPE", "html", null, null , false]]
+        }
+
+    ]
+}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/entities.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/entities.test
new file mode 100644
index 000000000..27b85a1cd
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/entities.test
@@ -0,0 +1,283 @@
+{"tests": [
+
+{"description": "Undefined named entity in attribute value ending in semicolon and whose name starts with a known entity name.",
+"input":"<h a='&noti;'>",
+"output": [["StartTag", "h", {"a": "&noti;"}]]},
+
+{"description": "Entity name followed by the equals sign in an attribute value.",
+"input":"<h a='&lang='>",
+"output": [["StartTag", "h", {"a": "&lang="}]]},
+
+{"description": "CR as numeric entity",
+"input":"&#013;",
+"output": ["ParseError", ["Character", "\r"]]},
+
+{"description": "CR as hexadecimal numeric entity",
+"input":"&#x00D;",
+"output": ["ParseError", ["Character", "\r"]]},
+
+{"description": "Windows-1252 EURO SIGN numeric entity.",
+"input":"&#0128;",
+"output": ["ParseError", ["Character", "\u20AC"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR numeric entity.",
+"input":"&#0129;",
+"output": ["ParseError", ["Character", "\u0081"]]},
+
+{"description": "Windows-1252 SINGLE LOW-9 QUOTATION MARK numeric entity.",
+"input":"&#0130;",
+"output": ["ParseError", ["Character", "\u201A"]]},
+
+{"description": "Windows-1252 LATIN SMALL LETTER F WITH HOOK numeric entity.",
+"input":"&#0131;",
+"output": ["ParseError", ["Character", "\u0192"]]},
+
+{"description": "Windows-1252 DOUBLE LOW-9 QUOTATION MARK numeric entity.",
+"input":"&#0132;",
+"output": ["ParseError", ["Character", "\u201E"]]},
+
+{"description": "Windows-1252 HORIZONTAL ELLIPSIS numeric entity.",
+"input":"&#0133;",
+"output": ["ParseError", ["Character", "\u2026"]]},
+
+{"description": "Windows-1252 DAGGER numeric entity.",
+"input":"&#0134;",
+"output": ["ParseError", ["Character", "\u2020"]]},
+
+{"description": "Windows-1252 DOUBLE DAGGER numeric entity.",
+"input":"&#0135;",
+"output": ["ParseError", ["Character", "\u2021"]]},
+
+{"description": "Windows-1252 MODIFIER LETTER CIRCUMFLEX ACCENT numeric entity.",
+"input":"&#0136;",
+"output": ["ParseError", ["Character", "\u02C6"]]},
+
+{"description": "Windows-1252 PER MILLE SIGN numeric entity.",
+"input":"&#0137;",
+"output": ["ParseError", ["Character", "\u2030"]]},
+
+{"description": "Windows-1252 LATIN CAPITAL LETTER S WITH CARON numeric entity.",
+"input":"&#0138;",
+"output": ["ParseError", ["Character", "\u0160"]]},
+
+{"description": "Windows-1252 SINGLE LEFT-POINTING ANGLE QUOTATION MARK numeric entity.",
+"input":"&#0139;",
+"output": ["ParseError", ["Character", "\u2039"]]},
+
+{"description": "Windows-1252 LATIN CAPITAL LIGATURE OE numeric entity.",
+"input":"&#0140;",
+"output": ["ParseError", ["Character", "\u0152"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR numeric entity.",
+"input":"&#0141;",
+"output": ["ParseError", ["Character", "\u008D"]]},
+
+{"description": "Windows-1252 LATIN CAPITAL LETTER Z WITH CARON numeric entity.",
+"input":"&#0142;",
+"output": ["ParseError", ["Character", "\u017D"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR numeric entity.",
+"input":"&#0143;",
+"output": ["ParseError", ["Character", "\u008F"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR numeric entity.",
+"input":"&#0144;",
+"output": ["ParseError", ["Character", "\u0090"]]},
+
+{"description": "Windows-1252 LEFT SINGLE QUOTATION MARK numeric entity.",
+"input":"&#0145;",
+"output": ["ParseError", ["Character", "\u2018"]]},
+
+{"description": "Windows-1252 RIGHT SINGLE QUOTATION MARK numeric entity.",
+"input":"&#0146;",
+"output": ["ParseError", ["Character", "\u2019"]]},
+
+{"description": "Windows-1252 LEFT DOUBLE QUOTATION MARK numeric entity.",
+"input":"&#0147;",
+"output": ["ParseError", ["Character", "\u201C"]]},
+
+{"description": "Windows-1252 RIGHT DOUBLE QUOTATION MARK numeric entity.",
+"input":"&#0148;",
+"output": ["ParseError", ["Character", "\u201D"]]},
+
+{"description": "Windows-1252 BULLET numeric entity.",
+"input":"&#0149;",
+"output": ["ParseError", ["Character", "\u2022"]]},
+
+{"description": "Windows-1252 EN DASH numeric entity.",
+"input":"&#0150;",
+"output": ["ParseError", ["Character", "\u2013"]]},
+
+{"description": "Windows-1252 EM DASH numeric entity.",
+"input":"&#0151;",
+"output": ["ParseError", ["Character", "\u2014"]]},
+
+{"description": "Windows-1252 SMALL TILDE numeric entity.",
+"input":"&#0152;",
+"output": ["ParseError", ["Character", "\u02DC"]]},
+
+{"description": "Windows-1252 TRADE MARK SIGN numeric entity.",
+"input":"&#0153;",
+"output": ["ParseError", ["Character", "\u2122"]]},
+
+{"description": "Windows-1252 LATIN SMALL LETTER S WITH CARON numeric entity.",
+"input":"&#0154;",
+"output": ["ParseError", ["Character", "\u0161"]]},
+
+{"description": "Windows-1252 SINGLE RIGHT-POINTING ANGLE QUOTATION MARK numeric entity.",
+"input":"&#0155;",
+"output": ["ParseError", ["Character", "\u203A"]]},
+
+{"description": "Windows-1252 LATIN SMALL LIGATURE OE numeric entity.",
+"input":"&#0156;",
+"output": ["ParseError", ["Character", "\u0153"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR numeric entity.",
+"input":"&#0157;",
+"output": ["ParseError", ["Character", "\u009D"]]},
+
+{"description": "Windows-1252 EURO SIGN hexadecimal numeric entity.",
+"input":"&#x080;",
+"output": ["ParseError", ["Character", "\u20AC"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR hexadecimal numeric entity.",
+"input":"&#x081;",
+"output": ["ParseError", ["Character", "\u0081"]]},
+
+{"description": "Windows-1252 SINGLE LOW-9 QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x082;",
+"output": ["ParseError", ["Character", "\u201A"]]},
+
+{"description": "Windows-1252 LATIN SMALL LETTER F WITH HOOK hexadecimal numeric entity.",
+"input":"&#x083;",
+"output": ["ParseError", ["Character", "\u0192"]]},
+
+{"description": "Windows-1252 DOUBLE LOW-9 QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x084;",
+"output": ["ParseError", ["Character", "\u201E"]]},
+
+{"description": "Windows-1252 HORIZONTAL ELLIPSIS hexadecimal numeric entity.",
+"input":"&#x085;",
+"output": ["ParseError", ["Character", "\u2026"]]},
+
+{"description": "Windows-1252 DAGGER hexadecimal numeric entity.",
+"input":"&#x086;",
+"output": ["ParseError", ["Character", "\u2020"]]},
+
+{"description": "Windows-1252 DOUBLE DAGGER hexadecimal numeric entity.",
+"input":"&#x087;",
+"output": ["ParseError", ["Character", "\u2021"]]},
+
+{"description": "Windows-1252 MODIFIER LETTER CIRCUMFLEX ACCENT hexadecimal numeric entity.",
+"input":"&#x088;",
+"output": ["ParseError", ["Character", "\u02C6"]]},
+
+{"description": "Windows-1252 PER MILLE SIGN hexadecimal numeric entity.",
+"input":"&#x089;",
+"output": ["ParseError", ["Character", "\u2030"]]},
+
+{"description": "Windows-1252 LATIN CAPITAL LETTER S WITH CARON hexadecimal numeric entity.",
+"input":"&#x08A;",
+"output": ["ParseError", ["Character", "\u0160"]]},
+
+{"description": "Windows-1252 SINGLE LEFT-POINTING ANGLE QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x08B;",
+"output": ["ParseError", ["Character", "\u2039"]]},
+
+{"description": "Windows-1252 LATIN CAPITAL LIGATURE OE hexadecimal numeric entity.",
+"input":"&#x08C;",
+"output": ["ParseError", ["Character", "\u0152"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR hexadecimal numeric entity.",
+"input":"&#x08D;",
+"output": ["ParseError", ["Character", "\u008D"]]},
+
+{"description": "Windows-1252 LATIN CAPITAL LETTER Z WITH CARON hexadecimal numeric entity.",
+"input":"&#x08E;",
+"output": ["ParseError", ["Character", "\u017D"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR hexadecimal numeric entity.",
+"input":"&#x08F;",
+"output": ["ParseError", ["Character", "\u008F"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR hexadecimal numeric entity.",
+"input":"&#x090;",
+"output": ["ParseError", ["Character", "\u0090"]]},
+
+{"description": "Windows-1252 LEFT SINGLE QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x091;",
+"output": ["ParseError", ["Character", "\u2018"]]},
+
+{"description": "Windows-1252 RIGHT SINGLE QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x092;",
+"output": ["ParseError", ["Character", "\u2019"]]},
+
+{"description": "Windows-1252 LEFT DOUBLE QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x093;",
+"output": ["ParseError", ["Character", "\u201C"]]},
+
+{"description": "Windows-1252 RIGHT DOUBLE QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x094;",
+"output": ["ParseError", ["Character", "\u201D"]]},
+
+{"description": "Windows-1252 BULLET hexadecimal numeric entity.",
+"input":"&#x095;",
+"output": ["ParseError", ["Character", "\u2022"]]},
+
+{"description": "Windows-1252 EN DASH hexadecimal numeric entity.",
+"input":"&#x096;",
+"output": ["ParseError", ["Character", "\u2013"]]},
+
+{"description": "Windows-1252 EM DASH hexadecimal numeric entity.",
+"input":"&#x097;",
+"output": ["ParseError", ["Character", "\u2014"]]},
+
+{"description": "Windows-1252 SMALL TILDE hexadecimal numeric entity.",
+"input":"&#x098;",
+"output": ["ParseError", ["Character", "\u02DC"]]},
+
+{"description": "Windows-1252 TRADE MARK SIGN hexadecimal numeric entity.",
+"input":"&#x099;",
+"output": ["ParseError", ["Character", "\u2122"]]},
+
+{"description": "Windows-1252 LATIN SMALL LETTER S WITH CARON hexadecimal numeric entity.",
+"input":"&#x09A;",
+"output": ["ParseError", ["Character", "\u0161"]]},
+
+{"description": "Windows-1252 SINGLE RIGHT-POINTING ANGLE QUOTATION MARK hexadecimal numeric entity.",
+"input":"&#x09B;",
+"output": ["ParseError", ["Character", "\u203A"]]},
+
+{"description": "Windows-1252 LATIN SMALL LIGATURE OE hexadecimal numeric entity.",
+"input":"&#x09C;",
+"output": ["ParseError", ["Character", "\u0153"]]},
+
+{"description": "Windows-1252 REPLACEMENT CHAR hexadecimal numeric entity.",
+"input":"&#x09D;",
+"output": ["ParseError", ["Character", "\u009D"]]},
+
+{"description": "Windows-1252 LATIN SMALL LETTER Z WITH CARON hexadecimal numeric entity.",
+"input":"&#x09E;",
+"output": ["ParseError", ["Character", "\u017E"]]},
+
+{"description": "Windows-1252 LATIN CAPITAL LETTER Y WITH DIAERESIS hexadecimal numeric entity.",
+"input":"&#x09F;",
+"output": ["ParseError", ["Character", "\u0178"]]},
+
+{"description": "Decimal numeric entity followed by hex character a.",
+"input":"&#97a",
+"output": ["ParseError", ["Character", "aa"]]},
+
+{"description": "Decimal numeric entity followed by hex character A.",
+"input":"&#97A",
+"output": ["ParseError", ["Character", "aA"]]},
+
+{"description": "Decimal numeric entity followed by hex character f.",
+"input":"&#97f",
+"output": ["ParseError", ["Character", "af"]]},
+
+{"description": "Decimal numeric entity followed by hex character A.",
+"input":"&#97F",
+"output": ["ParseError", ["Character", "aF"]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/escapeFlag.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/escapeFlag.test
new file mode 100644
index 000000000..18cb4309e
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/escapeFlag.test
@@ -0,0 +1,33 @@
+{"tests": [
+
+{"description":"Commented close tag in RCDATA or RAWTEXT",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo<!--</xmp>--></xmp>",
+"output":[["Character", "foo<!--"], ["EndTag", "xmp"], ["Character", "-->"], ["EndTag", "xmp"]]},
+
+{"description":"Bogus comment in RCDATA or RAWTEXT",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo<!-->baz</xmp>",
+"output":[["Character", "foo<!-->baz"], ["EndTag", "xmp"]]},
+
+{"description":"End tag surrounded by bogus comment in RCDATA or RAWTEXT",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo<!--></xmp><!-->baz</xmp>",
+"output":[["Character", "foo<!-->"], ["EndTag", "xmp"], "ParseError", ["Comment", ""], ["Character", "baz"], ["EndTag", "xmp"]]},
+
+{"description":"Commented entities in RCDATA",
+"initialStates":["RCDATA state"],
+"lastStartTag":"xmp",
+"input":" &amp; <!-- &amp; --> &amp; </xmp>",
+"output":[["Character", " & <!-- & --> & "], ["EndTag", "xmp"]]},
+
+{"description":"Incorrect comment ending sequences in RCDATA or RAWTEXT",
+"initialStates":["RCDATA state", "RAWTEXT state"],
+"lastStartTag":"xmp",
+"input":"foo<!-- x --x>x-- >x--!>x--<></xmp>",
+"output":[["Character", "foo<!-- x --x>x-- >x--!>x--<>"], ["EndTag", "xmp"]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/namedEntities.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/namedEntities.test
new file mode 100644
index 000000000..14db2ede0
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/namedEntities.test
@@ -0,0 +1,42210 @@
+{
+    "tests": [
+        {
+            "input": "&AElig", 
+            "description": "Named entity: AElig without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&AElig;", 
+            "description": "Named entity: AElig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&AMP", 
+            "description": "Named entity: AMP without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "&"
+                ]
+            ]
+        }, 
+        {
+            "input": "&AMP;", 
+            "description": "Named entity: AMP; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aacute", 
+            "description": "Named entity: Aacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aacute;", 
+            "description": "Named entity: Aacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Abreve", 
+            "description": "Bad named entity: Abreve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Abreve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Abreve;", 
+            "description": "Named entity: Abreve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0102"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Acirc", 
+            "description": "Named entity: Acirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Acirc;", 
+            "description": "Named entity: Acirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Acy", 
+            "description": "Bad named entity: Acy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Acy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Acy;", 
+            "description": "Named entity: Acy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0410"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Afr", 
+            "description": "Bad named entity: Afr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Afr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Afr;", 
+            "description": "Named entity: Afr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd04"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Agrave", 
+            "description": "Named entity: Agrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Agrave;", 
+            "description": "Named entity: Agrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Alpha", 
+            "description": "Bad named entity: Alpha without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Alpha"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Alpha;", 
+            "description": "Named entity: Alpha; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0391"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Amacr", 
+            "description": "Bad named entity: Amacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Amacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Amacr;", 
+            "description": "Named entity: Amacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0100"
+                ]
+            ]
+        }, 
+        {
+            "input": "&And", 
+            "description": "Bad named entity: And without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&And"
+                ]
+            ]
+        }, 
+        {
+            "input": "&And;", 
+            "description": "Named entity: And; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a53"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aogon", 
+            "description": "Bad named entity: Aogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Aogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aogon;", 
+            "description": "Named entity: Aogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0104"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aopf", 
+            "description": "Bad named entity: Aopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Aopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aopf;", 
+            "description": "Named entity: Aopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd38"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ApplyFunction", 
+            "description": "Bad named entity: ApplyFunction without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ApplyFunction"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ApplyFunction;", 
+            "description": "Named entity: ApplyFunction; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2061"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aring", 
+            "description": "Named entity: Aring without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Aring;", 
+            "description": "Named entity: Aring; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ascr", 
+            "description": "Bad named entity: Ascr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ascr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ascr;", 
+            "description": "Named entity: Ascr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udc9c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Assign", 
+            "description": "Bad named entity: Assign without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Assign"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Assign;", 
+            "description": "Named entity: Assign; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2254"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Atilde", 
+            "description": "Named entity: Atilde without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Atilde;", 
+            "description": "Named entity: Atilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Auml", 
+            "description": "Named entity: Auml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Auml;", 
+            "description": "Named entity: Auml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Backslash", 
+            "description": "Bad named entity: Backslash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Backslash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Backslash;", 
+            "description": "Named entity: Backslash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2216"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Barv", 
+            "description": "Bad named entity: Barv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Barv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Barv;", 
+            "description": "Named entity: Barv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ae7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Barwed", 
+            "description": "Bad named entity: Barwed without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Barwed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Barwed;", 
+            "description": "Named entity: Barwed; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2306"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bcy", 
+            "description": "Bad named entity: Bcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Bcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bcy;", 
+            "description": "Named entity: Bcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0411"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Because", 
+            "description": "Bad named entity: Because without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Because"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Because;", 
+            "description": "Named entity: Because; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2235"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bernoullis", 
+            "description": "Bad named entity: Bernoullis without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Bernoullis"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bernoullis;", 
+            "description": "Named entity: Bernoullis; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u212c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Beta", 
+            "description": "Bad named entity: Beta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Beta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Beta;", 
+            "description": "Named entity: Beta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0392"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bfr", 
+            "description": "Bad named entity: Bfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Bfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bfr;", 
+            "description": "Named entity: Bfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd05"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bopf", 
+            "description": "Bad named entity: Bopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Bopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bopf;", 
+            "description": "Named entity: Bopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd39"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Breve", 
+            "description": "Bad named entity: Breve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Breve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Breve;", 
+            "description": "Named entity: Breve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02d8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bscr", 
+            "description": "Bad named entity: Bscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Bscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bscr;", 
+            "description": "Named entity: Bscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u212c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bumpeq", 
+            "description": "Bad named entity: Bumpeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Bumpeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Bumpeq;", 
+            "description": "Named entity: Bumpeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CHcy", 
+            "description": "Bad named entity: CHcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CHcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CHcy;", 
+            "description": "Named entity: CHcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0427"
+                ]
+            ]
+        }, 
+        {
+            "input": "&COPY", 
+            "description": "Named entity: COPY without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&COPY;", 
+            "description": "Named entity: COPY; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cacute", 
+            "description": "Bad named entity: Cacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cacute;", 
+            "description": "Named entity: Cacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0106"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cap", 
+            "description": "Bad named entity: Cap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cap;", 
+            "description": "Named entity: Cap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CapitalDifferentialD", 
+            "description": "Bad named entity: CapitalDifferentialD without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CapitalDifferentialD"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CapitalDifferentialD;", 
+            "description": "Named entity: CapitalDifferentialD; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2145"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cayleys", 
+            "description": "Bad named entity: Cayleys without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cayleys"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cayleys;", 
+            "description": "Named entity: Cayleys; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u212d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ccaron", 
+            "description": "Bad named entity: Ccaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ccaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ccaron;", 
+            "description": "Named entity: Ccaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u010c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ccedil", 
+            "description": "Named entity: Ccedil without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ccedil;", 
+            "description": "Named entity: Ccedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ccirc", 
+            "description": "Bad named entity: Ccirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ccirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ccirc;", 
+            "description": "Named entity: Ccirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0108"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cconint", 
+            "description": "Bad named entity: Cconint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cconint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cconint;", 
+            "description": "Named entity: Cconint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2230"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cdot", 
+            "description": "Bad named entity: Cdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cdot;", 
+            "description": "Named entity: Cdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u010a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cedilla", 
+            "description": "Bad named entity: Cedilla without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cedilla"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cedilla;", 
+            "description": "Named entity: Cedilla; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CenterDot", 
+            "description": "Bad named entity: CenterDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CenterDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CenterDot;", 
+            "description": "Named entity: CenterDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cfr", 
+            "description": "Bad named entity: Cfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cfr;", 
+            "description": "Named entity: Cfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u212d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Chi", 
+            "description": "Bad named entity: Chi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Chi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Chi;", 
+            "description": "Named entity: Chi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CircleDot", 
+            "description": "Bad named entity: CircleDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CircleDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CircleDot;", 
+            "description": "Named entity: CircleDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2299"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CircleMinus", 
+            "description": "Bad named entity: CircleMinus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CircleMinus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CircleMinus;", 
+            "description": "Named entity: CircleMinus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2296"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CirclePlus", 
+            "description": "Bad named entity: CirclePlus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CirclePlus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CirclePlus;", 
+            "description": "Named entity: CirclePlus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2295"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CircleTimes", 
+            "description": "Bad named entity: CircleTimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CircleTimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CircleTimes;", 
+            "description": "Named entity: CircleTimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2297"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ClockwiseContourIntegral", 
+            "description": "Bad named entity: ClockwiseContourIntegral without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ClockwiseContourIntegral"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ClockwiseContourIntegral;", 
+            "description": "Named entity: ClockwiseContourIntegral; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2232"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CloseCurlyDoubleQuote", 
+            "description": "Bad named entity: CloseCurlyDoubleQuote without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CloseCurlyDoubleQuote"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CloseCurlyDoubleQuote;", 
+            "description": "Named entity: CloseCurlyDoubleQuote; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CloseCurlyQuote", 
+            "description": "Bad named entity: CloseCurlyQuote without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CloseCurlyQuote"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CloseCurlyQuote;", 
+            "description": "Named entity: CloseCurlyQuote; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2019"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Colon", 
+            "description": "Bad named entity: Colon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Colon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Colon;", 
+            "description": "Named entity: Colon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2237"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Colone", 
+            "description": "Bad named entity: Colone without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Colone"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Colone;", 
+            "description": "Named entity: Colone; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a74"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Congruent", 
+            "description": "Bad named entity: Congruent without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Congruent"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Congruent;", 
+            "description": "Named entity: Congruent; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2261"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Conint", 
+            "description": "Bad named entity: Conint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Conint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Conint;", 
+            "description": "Named entity: Conint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ContourIntegral", 
+            "description": "Bad named entity: ContourIntegral without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ContourIntegral"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ContourIntegral;", 
+            "description": "Named entity: ContourIntegral; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Copf", 
+            "description": "Bad named entity: Copf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Copf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Copf;", 
+            "description": "Named entity: Copf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2102"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Coproduct", 
+            "description": "Bad named entity: Coproduct without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Coproduct"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Coproduct;", 
+            "description": "Named entity: Coproduct; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2210"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CounterClockwiseContourIntegral", 
+            "description": "Bad named entity: CounterClockwiseContourIntegral without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CounterClockwiseContourIntegral"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CounterClockwiseContourIntegral;", 
+            "description": "Named entity: CounterClockwiseContourIntegral; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2233"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cross", 
+            "description": "Bad named entity: Cross without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cross"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cross;", 
+            "description": "Named entity: Cross; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a2f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cscr", 
+            "description": "Bad named entity: Cscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cscr;", 
+            "description": "Named entity: Cscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udc9e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cup", 
+            "description": "Bad named entity: Cup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Cup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Cup;", 
+            "description": "Named entity: Cup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CupCap", 
+            "description": "Bad named entity: CupCap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&CupCap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&CupCap;", 
+            "description": "Named entity: CupCap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DD", 
+            "description": "Bad named entity: DD without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DD"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DD;", 
+            "description": "Named entity: DD; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2145"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DDotrahd", 
+            "description": "Bad named entity: DDotrahd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DDotrahd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DDotrahd;", 
+            "description": "Named entity: DDotrahd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2911"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DJcy", 
+            "description": "Bad named entity: DJcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DJcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DJcy;", 
+            "description": "Named entity: DJcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0402"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DScy", 
+            "description": "Bad named entity: DScy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DScy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DScy;", 
+            "description": "Named entity: DScy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0405"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DZcy", 
+            "description": "Bad named entity: DZcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DZcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DZcy;", 
+            "description": "Named entity: DZcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u040f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dagger", 
+            "description": "Bad named entity: Dagger without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dagger"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dagger;", 
+            "description": "Named entity: Dagger; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2021"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Darr", 
+            "description": "Bad named entity: Darr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Darr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Darr;", 
+            "description": "Named entity: Darr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dashv", 
+            "description": "Bad named entity: Dashv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dashv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dashv;", 
+            "description": "Named entity: Dashv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ae4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dcaron", 
+            "description": "Bad named entity: Dcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dcaron;", 
+            "description": "Named entity: Dcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u010e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dcy", 
+            "description": "Bad named entity: Dcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dcy;", 
+            "description": "Named entity: Dcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0414"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Del", 
+            "description": "Bad named entity: Del without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Del"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Del;", 
+            "description": "Named entity: Del; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2207"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Delta", 
+            "description": "Bad named entity: Delta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Delta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Delta;", 
+            "description": "Named entity: Delta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0394"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dfr", 
+            "description": "Bad named entity: Dfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dfr;", 
+            "description": "Named entity: Dfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd07"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalAcute", 
+            "description": "Bad named entity: DiacriticalAcute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DiacriticalAcute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalAcute;", 
+            "description": "Named entity: DiacriticalAcute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalDot", 
+            "description": "Bad named entity: DiacriticalDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DiacriticalDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalDot;", 
+            "description": "Named entity: DiacriticalDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02d9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalDoubleAcute", 
+            "description": "Bad named entity: DiacriticalDoubleAcute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DiacriticalDoubleAcute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalDoubleAcute;", 
+            "description": "Named entity: DiacriticalDoubleAcute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalGrave", 
+            "description": "Bad named entity: DiacriticalGrave without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DiacriticalGrave"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalGrave;", 
+            "description": "Named entity: DiacriticalGrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "`"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalTilde", 
+            "description": "Bad named entity: DiacriticalTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DiacriticalTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DiacriticalTilde;", 
+            "description": "Named entity: DiacriticalTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Diamond", 
+            "description": "Bad named entity: Diamond without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Diamond"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Diamond;", 
+            "description": "Named entity: Diamond; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DifferentialD", 
+            "description": "Bad named entity: DifferentialD without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DifferentialD"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DifferentialD;", 
+            "description": "Named entity: DifferentialD; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2146"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dopf", 
+            "description": "Bad named entity: Dopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dopf;", 
+            "description": "Named entity: Dopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd3b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dot", 
+            "description": "Bad named entity: Dot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dot;", 
+            "description": "Named entity: Dot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DotDot", 
+            "description": "Bad named entity: DotDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DotDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DotDot;", 
+            "description": "Named entity: DotDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u20dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DotEqual", 
+            "description": "Bad named entity: DotEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DotEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DotEqual;", 
+            "description": "Named entity: DotEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2250"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleContourIntegral", 
+            "description": "Bad named entity: DoubleContourIntegral without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleContourIntegral"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleContourIntegral;", 
+            "description": "Named entity: DoubleContourIntegral; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleDot", 
+            "description": "Bad named entity: DoubleDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleDot;", 
+            "description": "Named entity: DoubleDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleDownArrow", 
+            "description": "Bad named entity: DoubleDownArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleDownArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleDownArrow;", 
+            "description": "Named entity: DoubleDownArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLeftArrow", 
+            "description": "Bad named entity: DoubleLeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleLeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLeftArrow;", 
+            "description": "Named entity: DoubleLeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLeftRightArrow", 
+            "description": "Bad named entity: DoubleLeftRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleLeftRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLeftRightArrow;", 
+            "description": "Named entity: DoubleLeftRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLeftTee", 
+            "description": "Bad named entity: DoubleLeftTee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleLeftTee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLeftTee;", 
+            "description": "Named entity: DoubleLeftTee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ae4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLongLeftArrow", 
+            "description": "Bad named entity: DoubleLongLeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleLongLeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLongLeftArrow;", 
+            "description": "Named entity: DoubleLongLeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLongLeftRightArrow", 
+            "description": "Bad named entity: DoubleLongLeftRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleLongLeftRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLongLeftRightArrow;", 
+            "description": "Named entity: DoubleLongLeftRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27fa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLongRightArrow", 
+            "description": "Bad named entity: DoubleLongRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleLongRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleLongRightArrow;", 
+            "description": "Named entity: DoubleLongRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleRightArrow", 
+            "description": "Bad named entity: DoubleRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleRightArrow;", 
+            "description": "Named entity: DoubleRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleRightTee", 
+            "description": "Bad named entity: DoubleRightTee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleRightTee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleRightTee;", 
+            "description": "Named entity: DoubleRightTee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleUpArrow", 
+            "description": "Bad named entity: DoubleUpArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleUpArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleUpArrow;", 
+            "description": "Named entity: DoubleUpArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleUpDownArrow", 
+            "description": "Bad named entity: DoubleUpDownArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleUpDownArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleUpDownArrow;", 
+            "description": "Named entity: DoubleUpDownArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleVerticalBar", 
+            "description": "Bad named entity: DoubleVerticalBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DoubleVerticalBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DoubleVerticalBar;", 
+            "description": "Named entity: DoubleVerticalBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2225"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownArrow", 
+            "description": "Bad named entity: DownArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownArrow;", 
+            "description": "Named entity: DownArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2193"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownArrowBar", 
+            "description": "Bad named entity: DownArrowBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownArrowBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownArrowBar;", 
+            "description": "Named entity: DownArrowBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2913"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownArrowUpArrow", 
+            "description": "Bad named entity: DownArrowUpArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownArrowUpArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownArrowUpArrow;", 
+            "description": "Named entity: DownArrowUpArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownBreve", 
+            "description": "Bad named entity: DownBreve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownBreve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownBreve;", 
+            "description": "Named entity: DownBreve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0311"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftRightVector", 
+            "description": "Bad named entity: DownLeftRightVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownLeftRightVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftRightVector;", 
+            "description": "Named entity: DownLeftRightVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2950"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftTeeVector", 
+            "description": "Bad named entity: DownLeftTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownLeftTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftTeeVector;", 
+            "description": "Named entity: DownLeftTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u295e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftVector", 
+            "description": "Bad named entity: DownLeftVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownLeftVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftVector;", 
+            "description": "Named entity: DownLeftVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftVectorBar", 
+            "description": "Bad named entity: DownLeftVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownLeftVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownLeftVectorBar;", 
+            "description": "Named entity: DownLeftVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2956"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownRightTeeVector", 
+            "description": "Bad named entity: DownRightTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownRightTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownRightTeeVector;", 
+            "description": "Named entity: DownRightTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u295f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownRightVector", 
+            "description": "Bad named entity: DownRightVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownRightVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownRightVector;", 
+            "description": "Named entity: DownRightVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownRightVectorBar", 
+            "description": "Bad named entity: DownRightVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownRightVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownRightVectorBar;", 
+            "description": "Named entity: DownRightVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2957"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownTee", 
+            "description": "Bad named entity: DownTee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownTee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownTee;", 
+            "description": "Named entity: DownTee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownTeeArrow", 
+            "description": "Bad named entity: DownTeeArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&DownTeeArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&DownTeeArrow;", 
+            "description": "Named entity: DownTeeArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Downarrow", 
+            "description": "Bad named entity: Downarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Downarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Downarrow;", 
+            "description": "Named entity: Downarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dscr", 
+            "description": "Bad named entity: Dscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dscr;", 
+            "description": "Named entity: Dscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udc9f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dstrok", 
+            "description": "Bad named entity: Dstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Dstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Dstrok;", 
+            "description": "Named entity: Dstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0110"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ENG", 
+            "description": "Bad named entity: ENG without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ENG"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ENG;", 
+            "description": "Named entity: ENG; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u014a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ETH", 
+            "description": "Named entity: ETH without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ETH;", 
+            "description": "Named entity: ETH; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eacute", 
+            "description": "Named entity: Eacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eacute;", 
+            "description": "Named entity: Eacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ecaron", 
+            "description": "Bad named entity: Ecaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ecaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ecaron;", 
+            "description": "Named entity: Ecaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u011a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ecirc", 
+            "description": "Named entity: Ecirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ecirc;", 
+            "description": "Named entity: Ecirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ecy", 
+            "description": "Bad named entity: Ecy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ecy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ecy;", 
+            "description": "Named entity: Ecy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u042d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Edot", 
+            "description": "Bad named entity: Edot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Edot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Edot;", 
+            "description": "Named entity: Edot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0116"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Efr", 
+            "description": "Bad named entity: Efr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Efr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Efr;", 
+            "description": "Named entity: Efr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd08"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Egrave", 
+            "description": "Named entity: Egrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Egrave;", 
+            "description": "Named entity: Egrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Element", 
+            "description": "Bad named entity: Element without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Element"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Element;", 
+            "description": "Named entity: Element; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2208"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Emacr", 
+            "description": "Bad named entity: Emacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Emacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Emacr;", 
+            "description": "Named entity: Emacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0112"
+                ]
+            ]
+        }, 
+        {
+            "input": "&EmptySmallSquare", 
+            "description": "Bad named entity: EmptySmallSquare without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&EmptySmallSquare"
+                ]
+            ]
+        }, 
+        {
+            "input": "&EmptySmallSquare;", 
+            "description": "Named entity: EmptySmallSquare; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25fb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&EmptyVerySmallSquare", 
+            "description": "Bad named entity: EmptyVerySmallSquare without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&EmptyVerySmallSquare"
+                ]
+            ]
+        }, 
+        {
+            "input": "&EmptyVerySmallSquare;", 
+            "description": "Named entity: EmptyVerySmallSquare; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eogon", 
+            "description": "Bad named entity: Eogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Eogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eogon;", 
+            "description": "Named entity: Eogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0118"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eopf", 
+            "description": "Bad named entity: Eopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Eopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eopf;", 
+            "description": "Named entity: Eopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd3c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Epsilon", 
+            "description": "Bad named entity: Epsilon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Epsilon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Epsilon;", 
+            "description": "Named entity: Epsilon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0395"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Equal", 
+            "description": "Bad named entity: Equal without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Equal"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Equal;", 
+            "description": "Named entity: Equal; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a75"
+                ]
+            ]
+        }, 
+        {
+            "input": "&EqualTilde", 
+            "description": "Bad named entity: EqualTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&EqualTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&EqualTilde;", 
+            "description": "Named entity: EqualTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2242"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Equilibrium", 
+            "description": "Bad named entity: Equilibrium without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Equilibrium"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Equilibrium;", 
+            "description": "Named entity: Equilibrium; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Escr", 
+            "description": "Bad named entity: Escr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Escr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Escr;", 
+            "description": "Named entity: Escr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2130"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Esim", 
+            "description": "Bad named entity: Esim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Esim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Esim;", 
+            "description": "Named entity: Esim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a73"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eta", 
+            "description": "Bad named entity: Eta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Eta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Eta;", 
+            "description": "Named entity: Eta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0397"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Euml", 
+            "description": "Named entity: Euml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Euml;", 
+            "description": "Named entity: Euml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Exists", 
+            "description": "Bad named entity: Exists without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Exists"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Exists;", 
+            "description": "Named entity: Exists; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2203"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ExponentialE", 
+            "description": "Bad named entity: ExponentialE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ExponentialE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ExponentialE;", 
+            "description": "Named entity: ExponentialE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2147"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fcy", 
+            "description": "Bad named entity: Fcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Fcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fcy;", 
+            "description": "Named entity: Fcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0424"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ffr", 
+            "description": "Bad named entity: Ffr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ffr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ffr;", 
+            "description": "Named entity: Ffr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd09"
+                ]
+            ]
+        }, 
+        {
+            "input": "&FilledSmallSquare", 
+            "description": "Bad named entity: FilledSmallSquare without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&FilledSmallSquare"
+                ]
+            ]
+        }, 
+        {
+            "input": "&FilledSmallSquare;", 
+            "description": "Named entity: FilledSmallSquare; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25fc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&FilledVerySmallSquare", 
+            "description": "Bad named entity: FilledVerySmallSquare without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&FilledVerySmallSquare"
+                ]
+            ]
+        }, 
+        {
+            "input": "&FilledVerySmallSquare;", 
+            "description": "Named entity: FilledVerySmallSquare; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fopf", 
+            "description": "Bad named entity: Fopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Fopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fopf;", 
+            "description": "Named entity: Fopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd3d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ForAll", 
+            "description": "Bad named entity: ForAll without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ForAll"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ForAll;", 
+            "description": "Named entity: ForAll; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2200"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fouriertrf", 
+            "description": "Bad named entity: Fouriertrf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Fouriertrf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fouriertrf;", 
+            "description": "Named entity: Fouriertrf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2131"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fscr", 
+            "description": "Bad named entity: Fscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Fscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Fscr;", 
+            "description": "Named entity: Fscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2131"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GJcy", 
+            "description": "Bad named entity: GJcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GJcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GJcy;", 
+            "description": "Named entity: GJcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0403"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GT", 
+            "description": "Named entity: GT without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    ">"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GT;", 
+            "description": "Named entity: GT; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    ">"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gamma", 
+            "description": "Bad named entity: Gamma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gamma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gamma;", 
+            "description": "Named entity: Gamma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0393"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gammad", 
+            "description": "Bad named entity: Gammad without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gammad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gammad;", 
+            "description": "Named entity: Gammad; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gbreve", 
+            "description": "Bad named entity: Gbreve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gbreve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gbreve;", 
+            "description": "Named entity: Gbreve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u011e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gcedil", 
+            "description": "Bad named entity: Gcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gcedil;", 
+            "description": "Named entity: Gcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0122"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gcirc", 
+            "description": "Bad named entity: Gcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gcirc;", 
+            "description": "Named entity: Gcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u011c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gcy", 
+            "description": "Bad named entity: Gcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gcy;", 
+            "description": "Named entity: Gcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0413"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gdot", 
+            "description": "Bad named entity: Gdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gdot;", 
+            "description": "Named entity: Gdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0120"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gfr", 
+            "description": "Bad named entity: Gfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gfr;", 
+            "description": "Named entity: Gfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd0a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gg", 
+            "description": "Bad named entity: Gg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gg;", 
+            "description": "Named entity: Gg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gopf", 
+            "description": "Bad named entity: Gopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gopf;", 
+            "description": "Named entity: Gopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd3e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterEqual", 
+            "description": "Bad named entity: GreaterEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GreaterEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterEqual;", 
+            "description": "Named entity: GreaterEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2265"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterEqualLess", 
+            "description": "Bad named entity: GreaterEqualLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GreaterEqualLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterEqualLess;", 
+            "description": "Named entity: GreaterEqualLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterFullEqual", 
+            "description": "Bad named entity: GreaterFullEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GreaterFullEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterFullEqual;", 
+            "description": "Named entity: GreaterFullEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2267"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterGreater", 
+            "description": "Bad named entity: GreaterGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GreaterGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterGreater;", 
+            "description": "Named entity: GreaterGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterLess", 
+            "description": "Bad named entity: GreaterLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GreaterLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterLess;", 
+            "description": "Named entity: GreaterLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2277"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterSlantEqual", 
+            "description": "Bad named entity: GreaterSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GreaterSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterSlantEqual;", 
+            "description": "Named entity: GreaterSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterTilde", 
+            "description": "Bad named entity: GreaterTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&GreaterTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&GreaterTilde;", 
+            "description": "Named entity: GreaterTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2273"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gscr", 
+            "description": "Bad named entity: Gscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gscr;", 
+            "description": "Named entity: Gscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udca2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gt", 
+            "description": "Bad named entity: Gt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Gt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Gt;", 
+            "description": "Named entity: Gt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HARDcy", 
+            "description": "Bad named entity: HARDcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&HARDcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HARDcy;", 
+            "description": "Named entity: HARDcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u042a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hacek", 
+            "description": "Bad named entity: Hacek without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Hacek"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hacek;", 
+            "description": "Named entity: Hacek; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hat", 
+            "description": "Bad named entity: Hat without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Hat"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hat;", 
+            "description": "Named entity: Hat; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "^"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hcirc", 
+            "description": "Bad named entity: Hcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Hcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hcirc;", 
+            "description": "Named entity: Hcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0124"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hfr", 
+            "description": "Bad named entity: Hfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Hfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hfr;", 
+            "description": "Named entity: Hfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HilbertSpace", 
+            "description": "Bad named entity: HilbertSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&HilbertSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HilbertSpace;", 
+            "description": "Named entity: HilbertSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hopf", 
+            "description": "Bad named entity: Hopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Hopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hopf;", 
+            "description": "Named entity: Hopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HorizontalLine", 
+            "description": "Bad named entity: HorizontalLine without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&HorizontalLine"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HorizontalLine;", 
+            "description": "Named entity: HorizontalLine; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2500"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hscr", 
+            "description": "Bad named entity: Hscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Hscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hscr;", 
+            "description": "Named entity: Hscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hstrok", 
+            "description": "Bad named entity: Hstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Hstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Hstrok;", 
+            "description": "Named entity: Hstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0126"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HumpDownHump", 
+            "description": "Bad named entity: HumpDownHump without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&HumpDownHump"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HumpDownHump;", 
+            "description": "Named entity: HumpDownHump; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HumpEqual", 
+            "description": "Bad named entity: HumpEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&HumpEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&HumpEqual;", 
+            "description": "Named entity: HumpEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&IEcy", 
+            "description": "Bad named entity: IEcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&IEcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&IEcy;", 
+            "description": "Named entity: IEcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0415"
+                ]
+            ]
+        }, 
+        {
+            "input": "&IJlig", 
+            "description": "Bad named entity: IJlig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&IJlig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&IJlig;", 
+            "description": "Named entity: IJlig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0132"
+                ]
+            ]
+        }, 
+        {
+            "input": "&IOcy", 
+            "description": "Bad named entity: IOcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&IOcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&IOcy;", 
+            "description": "Named entity: IOcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0401"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iacute", 
+            "description": "Named entity: Iacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00cd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iacute;", 
+            "description": "Named entity: Iacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00cd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Icirc", 
+            "description": "Named entity: Icirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Icirc;", 
+            "description": "Named entity: Icirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Icy", 
+            "description": "Bad named entity: Icy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Icy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Icy;", 
+            "description": "Named entity: Icy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0418"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Idot", 
+            "description": "Bad named entity: Idot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Idot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Idot;", 
+            "description": "Named entity: Idot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0130"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ifr", 
+            "description": "Bad named entity: Ifr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ifr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ifr;", 
+            "description": "Named entity: Ifr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2111"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Igrave", 
+            "description": "Named entity: Igrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00cc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Igrave;", 
+            "description": "Named entity: Igrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00cc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Im", 
+            "description": "Bad named entity: Im without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Im"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Im;", 
+            "description": "Named entity: Im; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2111"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Imacr", 
+            "description": "Bad named entity: Imacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Imacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Imacr;", 
+            "description": "Named entity: Imacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u012a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ImaginaryI", 
+            "description": "Bad named entity: ImaginaryI without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ImaginaryI"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ImaginaryI;", 
+            "description": "Named entity: ImaginaryI; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2148"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Implies", 
+            "description": "Bad named entity: Implies without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Implies"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Implies;", 
+            "description": "Named entity: Implies; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Int", 
+            "description": "Bad named entity: Int without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Int"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Int;", 
+            "description": "Named entity: Int; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Integral", 
+            "description": "Bad named entity: Integral without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Integral"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Integral;", 
+            "description": "Named entity: Integral; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Intersection", 
+            "description": "Bad named entity: Intersection without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Intersection"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Intersection;", 
+            "description": "Named entity: Intersection; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&InvisibleComma", 
+            "description": "Bad named entity: InvisibleComma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&InvisibleComma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&InvisibleComma;", 
+            "description": "Named entity: InvisibleComma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2063"
+                ]
+            ]
+        }, 
+        {
+            "input": "&InvisibleTimes", 
+            "description": "Bad named entity: InvisibleTimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&InvisibleTimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&InvisibleTimes;", 
+            "description": "Named entity: InvisibleTimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2062"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iogon", 
+            "description": "Bad named entity: Iogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Iogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iogon;", 
+            "description": "Named entity: Iogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u012e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iopf", 
+            "description": "Bad named entity: Iopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Iopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iopf;", 
+            "description": "Named entity: Iopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd40"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iota", 
+            "description": "Bad named entity: Iota without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Iota"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iota;", 
+            "description": "Named entity: Iota; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0399"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iscr", 
+            "description": "Bad named entity: Iscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Iscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iscr;", 
+            "description": "Named entity: Iscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2110"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Itilde", 
+            "description": "Bad named entity: Itilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Itilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Itilde;", 
+            "description": "Named entity: Itilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0128"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iukcy", 
+            "description": "Bad named entity: Iukcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Iukcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iukcy;", 
+            "description": "Named entity: Iukcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0406"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iuml", 
+            "description": "Named entity: Iuml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00cf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Iuml;", 
+            "description": "Named entity: Iuml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00cf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jcirc", 
+            "description": "Bad named entity: Jcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Jcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jcirc;", 
+            "description": "Named entity: Jcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0134"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jcy", 
+            "description": "Bad named entity: Jcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Jcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jcy;", 
+            "description": "Named entity: Jcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0419"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jfr", 
+            "description": "Bad named entity: Jfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Jfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jfr;", 
+            "description": "Named entity: Jfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd0d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jopf", 
+            "description": "Bad named entity: Jopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Jopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jopf;", 
+            "description": "Named entity: Jopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd41"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jscr", 
+            "description": "Bad named entity: Jscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Jscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jscr;", 
+            "description": "Named entity: Jscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udca5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jsercy", 
+            "description": "Bad named entity: Jsercy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Jsercy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jsercy;", 
+            "description": "Named entity: Jsercy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0408"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jukcy", 
+            "description": "Bad named entity: Jukcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Jukcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Jukcy;", 
+            "description": "Named entity: Jukcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0404"
+                ]
+            ]
+        }, 
+        {
+            "input": "&KHcy", 
+            "description": "Bad named entity: KHcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&KHcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&KHcy;", 
+            "description": "Named entity: KHcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0425"
+                ]
+            ]
+        }, 
+        {
+            "input": "&KJcy", 
+            "description": "Bad named entity: KJcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&KJcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&KJcy;", 
+            "description": "Named entity: KJcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u040c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kappa", 
+            "description": "Bad named entity: Kappa without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Kappa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kappa;", 
+            "description": "Named entity: Kappa; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u039a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kcedil", 
+            "description": "Bad named entity: Kcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Kcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kcedil;", 
+            "description": "Named entity: Kcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0136"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kcy", 
+            "description": "Bad named entity: Kcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Kcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kcy;", 
+            "description": "Named entity: Kcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u041a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kfr", 
+            "description": "Bad named entity: Kfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Kfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kfr;", 
+            "description": "Named entity: Kfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd0e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kopf", 
+            "description": "Bad named entity: Kopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Kopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kopf;", 
+            "description": "Named entity: Kopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd42"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kscr", 
+            "description": "Bad named entity: Kscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Kscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Kscr;", 
+            "description": "Named entity: Kscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udca6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LJcy", 
+            "description": "Bad named entity: LJcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LJcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LJcy;", 
+            "description": "Named entity: LJcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0409"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LT", 
+            "description": "Named entity: LT without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "<"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LT;", 
+            "description": "Named entity: LT; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "<"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lacute", 
+            "description": "Bad named entity: Lacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lacute;", 
+            "description": "Named entity: Lacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0139"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lambda", 
+            "description": "Bad named entity: Lambda without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lambda"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lambda;", 
+            "description": "Named entity: Lambda; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u039b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lang", 
+            "description": "Bad named entity: Lang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lang;", 
+            "description": "Named entity: Lang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27ea"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Laplacetrf", 
+            "description": "Bad named entity: Laplacetrf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Laplacetrf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Laplacetrf;", 
+            "description": "Named entity: Laplacetrf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2112"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Larr", 
+            "description": "Bad named entity: Larr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Larr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Larr;", 
+            "description": "Named entity: Larr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lcaron", 
+            "description": "Bad named entity: Lcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lcaron;", 
+            "description": "Named entity: Lcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u013d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lcedil", 
+            "description": "Bad named entity: Lcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lcedil;", 
+            "description": "Named entity: Lcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u013b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lcy", 
+            "description": "Bad named entity: Lcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lcy;", 
+            "description": "Named entity: Lcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u041b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftAngleBracket", 
+            "description": "Bad named entity: LeftAngleBracket without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftAngleBracket"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftAngleBracket;", 
+            "description": "Named entity: LeftAngleBracket; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftArrow", 
+            "description": "Bad named entity: LeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftArrow;", 
+            "description": "Named entity: LeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2190"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftArrowBar", 
+            "description": "Bad named entity: LeftArrowBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftArrowBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftArrowBar;", 
+            "description": "Named entity: LeftArrowBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21e4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftArrowRightArrow", 
+            "description": "Bad named entity: LeftArrowRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftArrowRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftArrowRightArrow;", 
+            "description": "Named entity: LeftArrowRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftCeiling", 
+            "description": "Bad named entity: LeftCeiling without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftCeiling"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftCeiling;", 
+            "description": "Named entity: LeftCeiling; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2308"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDoubleBracket", 
+            "description": "Bad named entity: LeftDoubleBracket without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftDoubleBracket"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDoubleBracket;", 
+            "description": "Named entity: LeftDoubleBracket; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDownTeeVector", 
+            "description": "Bad named entity: LeftDownTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftDownTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDownTeeVector;", 
+            "description": "Named entity: LeftDownTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2961"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDownVector", 
+            "description": "Bad named entity: LeftDownVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftDownVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDownVector;", 
+            "description": "Named entity: LeftDownVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDownVectorBar", 
+            "description": "Bad named entity: LeftDownVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftDownVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftDownVectorBar;", 
+            "description": "Named entity: LeftDownVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2959"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftFloor", 
+            "description": "Bad named entity: LeftFloor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftFloor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftFloor;", 
+            "description": "Named entity: LeftFloor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftRightArrow", 
+            "description": "Bad named entity: LeftRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftRightArrow;", 
+            "description": "Named entity: LeftRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2194"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftRightVector", 
+            "description": "Bad named entity: LeftRightVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftRightVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftRightVector;", 
+            "description": "Named entity: LeftRightVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u294e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTee", 
+            "description": "Bad named entity: LeftTee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftTee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTee;", 
+            "description": "Named entity: LeftTee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTeeArrow", 
+            "description": "Bad named entity: LeftTeeArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftTeeArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTeeArrow;", 
+            "description": "Named entity: LeftTeeArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTeeVector", 
+            "description": "Bad named entity: LeftTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTeeVector;", 
+            "description": "Named entity: LeftTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u295a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTriangle", 
+            "description": "Bad named entity: LeftTriangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftTriangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTriangle;", 
+            "description": "Named entity: LeftTriangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTriangleBar", 
+            "description": "Bad named entity: LeftTriangleBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftTriangleBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTriangleBar;", 
+            "description": "Named entity: LeftTriangleBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29cf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTriangleEqual", 
+            "description": "Bad named entity: LeftTriangleEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftTriangleEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftTriangleEqual;", 
+            "description": "Named entity: LeftTriangleEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpDownVector", 
+            "description": "Bad named entity: LeftUpDownVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftUpDownVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpDownVector;", 
+            "description": "Named entity: LeftUpDownVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2951"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpTeeVector", 
+            "description": "Bad named entity: LeftUpTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftUpTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpTeeVector;", 
+            "description": "Named entity: LeftUpTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2960"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpVector", 
+            "description": "Bad named entity: LeftUpVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftUpVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpVector;", 
+            "description": "Named entity: LeftUpVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpVectorBar", 
+            "description": "Bad named entity: LeftUpVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftUpVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftUpVectorBar;", 
+            "description": "Named entity: LeftUpVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2958"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftVector", 
+            "description": "Bad named entity: LeftVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftVector;", 
+            "description": "Named entity: LeftVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftVectorBar", 
+            "description": "Bad named entity: LeftVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LeftVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LeftVectorBar;", 
+            "description": "Named entity: LeftVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2952"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Leftarrow", 
+            "description": "Bad named entity: Leftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Leftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Leftarrow;", 
+            "description": "Named entity: Leftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Leftrightarrow", 
+            "description": "Bad named entity: Leftrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Leftrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Leftrightarrow;", 
+            "description": "Named entity: Leftrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessEqualGreater", 
+            "description": "Bad named entity: LessEqualGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LessEqualGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessEqualGreater;", 
+            "description": "Named entity: LessEqualGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessFullEqual", 
+            "description": "Bad named entity: LessFullEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LessFullEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessFullEqual;", 
+            "description": "Named entity: LessFullEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2266"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessGreater", 
+            "description": "Bad named entity: LessGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LessGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessGreater;", 
+            "description": "Named entity: LessGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2276"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessLess", 
+            "description": "Bad named entity: LessLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LessLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessLess;", 
+            "description": "Named entity: LessLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessSlantEqual", 
+            "description": "Bad named entity: LessSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LessSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessSlantEqual;", 
+            "description": "Named entity: LessSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessTilde", 
+            "description": "Bad named entity: LessTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LessTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LessTilde;", 
+            "description": "Named entity: LessTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2272"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lfr", 
+            "description": "Bad named entity: Lfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lfr;", 
+            "description": "Named entity: Lfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd0f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ll", 
+            "description": "Bad named entity: Ll without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ll"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ll;", 
+            "description": "Named entity: Ll; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lleftarrow", 
+            "description": "Bad named entity: Lleftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lleftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lleftarrow;", 
+            "description": "Named entity: Lleftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lmidot", 
+            "description": "Bad named entity: Lmidot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lmidot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lmidot;", 
+            "description": "Named entity: Lmidot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u013f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LongLeftArrow", 
+            "description": "Bad named entity: LongLeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LongLeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LongLeftArrow;", 
+            "description": "Named entity: LongLeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LongLeftRightArrow", 
+            "description": "Bad named entity: LongLeftRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LongLeftRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LongLeftRightArrow;", 
+            "description": "Named entity: LongLeftRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LongRightArrow", 
+            "description": "Bad named entity: LongRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LongRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LongRightArrow;", 
+            "description": "Named entity: LongRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Longleftarrow", 
+            "description": "Bad named entity: Longleftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Longleftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Longleftarrow;", 
+            "description": "Named entity: Longleftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Longleftrightarrow", 
+            "description": "Bad named entity: Longleftrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Longleftrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Longleftrightarrow;", 
+            "description": "Named entity: Longleftrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27fa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Longrightarrow", 
+            "description": "Bad named entity: Longrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Longrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Longrightarrow;", 
+            "description": "Named entity: Longrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lopf", 
+            "description": "Bad named entity: Lopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lopf;", 
+            "description": "Named entity: Lopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd43"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LowerLeftArrow", 
+            "description": "Bad named entity: LowerLeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LowerLeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LowerLeftArrow;", 
+            "description": "Named entity: LowerLeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2199"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LowerRightArrow", 
+            "description": "Bad named entity: LowerRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&LowerRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&LowerRightArrow;", 
+            "description": "Named entity: LowerRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2198"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lscr", 
+            "description": "Bad named entity: Lscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lscr;", 
+            "description": "Named entity: Lscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2112"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lsh", 
+            "description": "Bad named entity: Lsh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lsh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lsh;", 
+            "description": "Named entity: Lsh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lstrok", 
+            "description": "Bad named entity: Lstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lstrok;", 
+            "description": "Named entity: Lstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0141"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lt", 
+            "description": "Bad named entity: Lt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Lt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Lt;", 
+            "description": "Named entity: Lt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Map", 
+            "description": "Bad named entity: Map without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Map"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Map;", 
+            "description": "Named entity: Map; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2905"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mcy", 
+            "description": "Bad named entity: Mcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Mcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mcy;", 
+            "description": "Named entity: Mcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u041c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&MediumSpace", 
+            "description": "Bad named entity: MediumSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&MediumSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&MediumSpace;", 
+            "description": "Named entity: MediumSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u205f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mellintrf", 
+            "description": "Bad named entity: Mellintrf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Mellintrf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mellintrf;", 
+            "description": "Named entity: Mellintrf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2133"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mfr", 
+            "description": "Bad named entity: Mfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Mfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mfr;", 
+            "description": "Named entity: Mfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd10"
+                ]
+            ]
+        }, 
+        {
+            "input": "&MinusPlus", 
+            "description": "Bad named entity: MinusPlus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&MinusPlus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&MinusPlus;", 
+            "description": "Named entity: MinusPlus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2213"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mopf", 
+            "description": "Bad named entity: Mopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Mopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mopf;", 
+            "description": "Named entity: Mopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd44"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mscr", 
+            "description": "Bad named entity: Mscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Mscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mscr;", 
+            "description": "Named entity: Mscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2133"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mu", 
+            "description": "Bad named entity: Mu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Mu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Mu;", 
+            "description": "Named entity: Mu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u039c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NJcy", 
+            "description": "Bad named entity: NJcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NJcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NJcy;", 
+            "description": "Named entity: NJcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u040a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nacute", 
+            "description": "Bad named entity: Nacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Nacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nacute;", 
+            "description": "Named entity: Nacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0143"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ncaron", 
+            "description": "Bad named entity: Ncaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ncaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ncaron;", 
+            "description": "Named entity: Ncaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0147"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ncedil", 
+            "description": "Bad named entity: Ncedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ncedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ncedil;", 
+            "description": "Named entity: Ncedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0145"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ncy", 
+            "description": "Bad named entity: Ncy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ncy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ncy;", 
+            "description": "Named entity: Ncy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u041d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeMediumSpace", 
+            "description": "Bad named entity: NegativeMediumSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NegativeMediumSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeMediumSpace;", 
+            "description": "Named entity: NegativeMediumSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeThickSpace", 
+            "description": "Bad named entity: NegativeThickSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NegativeThickSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeThickSpace;", 
+            "description": "Named entity: NegativeThickSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeThinSpace", 
+            "description": "Bad named entity: NegativeThinSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NegativeThinSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeThinSpace;", 
+            "description": "Named entity: NegativeThinSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeVeryThinSpace", 
+            "description": "Bad named entity: NegativeVeryThinSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NegativeVeryThinSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NegativeVeryThinSpace;", 
+            "description": "Named entity: NegativeVeryThinSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NestedGreaterGreater", 
+            "description": "Bad named entity: NestedGreaterGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NestedGreaterGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NestedGreaterGreater;", 
+            "description": "Named entity: NestedGreaterGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NestedLessLess", 
+            "description": "Bad named entity: NestedLessLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NestedLessLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NestedLessLess;", 
+            "description": "Named entity: NestedLessLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NewLine", 
+            "description": "Bad named entity: NewLine without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NewLine"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NewLine;", 
+            "description": "Named entity: NewLine; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\n"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nfr", 
+            "description": "Bad named entity: Nfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Nfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nfr;", 
+            "description": "Named entity: Nfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd11"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NoBreak", 
+            "description": "Bad named entity: NoBreak without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NoBreak"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NoBreak;", 
+            "description": "Named entity: NoBreak; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2060"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NonBreakingSpace", 
+            "description": "Bad named entity: NonBreakingSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NonBreakingSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NonBreakingSpace;", 
+            "description": "Named entity: NonBreakingSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nopf", 
+            "description": "Bad named entity: Nopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Nopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nopf;", 
+            "description": "Named entity: Nopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2115"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Not", 
+            "description": "Bad named entity: Not without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Not"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Not;", 
+            "description": "Named entity: Not; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotCongruent", 
+            "description": "Bad named entity: NotCongruent without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotCongruent"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotCongruent;", 
+            "description": "Named entity: NotCongruent; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2262"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotCupCap", 
+            "description": "Bad named entity: NotCupCap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotCupCap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotCupCap;", 
+            "description": "Named entity: NotCupCap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotDoubleVerticalBar", 
+            "description": "Bad named entity: NotDoubleVerticalBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotDoubleVerticalBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotDoubleVerticalBar;", 
+            "description": "Named entity: NotDoubleVerticalBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2226"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotElement", 
+            "description": "Bad named entity: NotElement without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotElement"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotElement;", 
+            "description": "Named entity: NotElement; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2209"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotEqual", 
+            "description": "Bad named entity: NotEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotEqual;", 
+            "description": "Named entity: NotEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2260"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotEqualTilde", 
+            "description": "Bad named entity: NotEqualTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotEqualTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotEqualTilde;", 
+            "description": "Named entity: NotEqualTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2242\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotExists", 
+            "description": "Bad named entity: NotExists without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotExists"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotExists;", 
+            "description": "Named entity: NotExists; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2204"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreater", 
+            "description": "Bad named entity: NotGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreater;", 
+            "description": "Named entity: NotGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterEqual", 
+            "description": "Bad named entity: NotGreaterEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotGreaterEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterEqual;", 
+            "description": "Named entity: NotGreaterEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2271"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterFullEqual", 
+            "description": "Bad named entity: NotGreaterFullEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotGreaterFullEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterFullEqual;", 
+            "description": "Named entity: NotGreaterFullEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2267\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterGreater", 
+            "description": "Bad named entity: NotGreaterGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotGreaterGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterGreater;", 
+            "description": "Named entity: NotGreaterGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226b\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterLess", 
+            "description": "Bad named entity: NotGreaterLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotGreaterLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterLess;", 
+            "description": "Named entity: NotGreaterLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2279"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterSlantEqual", 
+            "description": "Bad named entity: NotGreaterSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotGreaterSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterSlantEqual;", 
+            "description": "Named entity: NotGreaterSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7e\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterTilde", 
+            "description": "Bad named entity: NotGreaterTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotGreaterTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotGreaterTilde;", 
+            "description": "Named entity: NotGreaterTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2275"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotHumpDownHump", 
+            "description": "Bad named entity: NotHumpDownHump without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotHumpDownHump"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotHumpDownHump;", 
+            "description": "Named entity: NotHumpDownHump; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224e\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotHumpEqual", 
+            "description": "Bad named entity: NotHumpEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotHumpEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotHumpEqual;", 
+            "description": "Named entity: NotHumpEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224f\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLeftTriangle", 
+            "description": "Bad named entity: NotLeftTriangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLeftTriangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLeftTriangle;", 
+            "description": "Named entity: NotLeftTriangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ea"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLeftTriangleBar", 
+            "description": "Bad named entity: NotLeftTriangleBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLeftTriangleBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLeftTriangleBar;", 
+            "description": "Named entity: NotLeftTriangleBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29cf\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLeftTriangleEqual", 
+            "description": "Bad named entity: NotLeftTriangleEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLeftTriangleEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLeftTriangleEqual;", 
+            "description": "Named entity: NotLeftTriangleEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLess", 
+            "description": "Bad named entity: NotLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLess;", 
+            "description": "Named entity: NotLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessEqual", 
+            "description": "Bad named entity: NotLessEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLessEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessEqual;", 
+            "description": "Named entity: NotLessEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2270"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessGreater", 
+            "description": "Bad named entity: NotLessGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLessGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessGreater;", 
+            "description": "Named entity: NotLessGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2278"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessLess", 
+            "description": "Bad named entity: NotLessLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLessLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessLess;", 
+            "description": "Named entity: NotLessLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226a\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessSlantEqual", 
+            "description": "Bad named entity: NotLessSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLessSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessSlantEqual;", 
+            "description": "Named entity: NotLessSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7d\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessTilde", 
+            "description": "Bad named entity: NotLessTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotLessTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotLessTilde;", 
+            "description": "Named entity: NotLessTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2274"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotNestedGreaterGreater", 
+            "description": "Bad named entity: NotNestedGreaterGreater without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotNestedGreaterGreater"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotNestedGreaterGreater;", 
+            "description": "Named entity: NotNestedGreaterGreater; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa2\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotNestedLessLess", 
+            "description": "Bad named entity: NotNestedLessLess without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotNestedLessLess"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotNestedLessLess;", 
+            "description": "Named entity: NotNestedLessLess; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa1\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotPrecedes", 
+            "description": "Bad named entity: NotPrecedes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotPrecedes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotPrecedes;", 
+            "description": "Named entity: NotPrecedes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2280"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotPrecedesEqual", 
+            "description": "Bad named entity: NotPrecedesEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotPrecedesEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotPrecedesEqual;", 
+            "description": "Named entity: NotPrecedesEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aaf\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotPrecedesSlantEqual", 
+            "description": "Bad named entity: NotPrecedesSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotPrecedesSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotPrecedesSlantEqual;", 
+            "description": "Named entity: NotPrecedesSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotReverseElement", 
+            "description": "Bad named entity: NotReverseElement without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotReverseElement"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotReverseElement;", 
+            "description": "Named entity: NotReverseElement; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotRightTriangle", 
+            "description": "Bad named entity: NotRightTriangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotRightTriangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotRightTriangle;", 
+            "description": "Named entity: NotRightTriangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotRightTriangleBar", 
+            "description": "Bad named entity: NotRightTriangleBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotRightTriangleBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotRightTriangleBar;", 
+            "description": "Named entity: NotRightTriangleBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29d0\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotRightTriangleEqual", 
+            "description": "Bad named entity: NotRightTriangleEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotRightTriangleEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotRightTriangleEqual;", 
+            "description": "Named entity: NotRightTriangleEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSubset", 
+            "description": "Bad named entity: NotSquareSubset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSquareSubset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSubset;", 
+            "description": "Named entity: NotSquareSubset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228f\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSubsetEqual", 
+            "description": "Bad named entity: NotSquareSubsetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSquareSubsetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSubsetEqual;", 
+            "description": "Named entity: NotSquareSubsetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSuperset", 
+            "description": "Bad named entity: NotSquareSuperset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSquareSuperset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSuperset;", 
+            "description": "Named entity: NotSquareSuperset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2290\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSupersetEqual", 
+            "description": "Bad named entity: NotSquareSupersetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSquareSupersetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSquareSupersetEqual;", 
+            "description": "Named entity: NotSquareSupersetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSubset", 
+            "description": "Bad named entity: NotSubset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSubset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSubset;", 
+            "description": "Named entity: NotSubset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2282\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSubsetEqual", 
+            "description": "Bad named entity: NotSubsetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSubsetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSubsetEqual;", 
+            "description": "Named entity: NotSubsetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2288"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceeds", 
+            "description": "Bad named entity: NotSucceeds without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSucceeds"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceeds;", 
+            "description": "Named entity: NotSucceeds; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2281"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceedsEqual", 
+            "description": "Bad named entity: NotSucceedsEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSucceedsEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceedsEqual;", 
+            "description": "Named entity: NotSucceedsEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab0\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceedsSlantEqual", 
+            "description": "Bad named entity: NotSucceedsSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSucceedsSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceedsSlantEqual;", 
+            "description": "Named entity: NotSucceedsSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceedsTilde", 
+            "description": "Bad named entity: NotSucceedsTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSucceedsTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSucceedsTilde;", 
+            "description": "Named entity: NotSucceedsTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227f\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSuperset", 
+            "description": "Bad named entity: NotSuperset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSuperset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSuperset;", 
+            "description": "Named entity: NotSuperset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2283\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSupersetEqual", 
+            "description": "Bad named entity: NotSupersetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotSupersetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotSupersetEqual;", 
+            "description": "Named entity: NotSupersetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2289"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTilde", 
+            "description": "Bad named entity: NotTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTilde;", 
+            "description": "Named entity: NotTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2241"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTildeEqual", 
+            "description": "Bad named entity: NotTildeEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotTildeEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTildeEqual;", 
+            "description": "Named entity: NotTildeEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2244"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTildeFullEqual", 
+            "description": "Bad named entity: NotTildeFullEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotTildeFullEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTildeFullEqual;", 
+            "description": "Named entity: NotTildeFullEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2247"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTildeTilde", 
+            "description": "Bad named entity: NotTildeTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotTildeTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotTildeTilde;", 
+            "description": "Named entity: NotTildeTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2249"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotVerticalBar", 
+            "description": "Bad named entity: NotVerticalBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&NotVerticalBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&NotVerticalBar;", 
+            "description": "Named entity: NotVerticalBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2224"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nscr", 
+            "description": "Bad named entity: Nscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Nscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nscr;", 
+            "description": "Named entity: Nscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udca9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ntilde", 
+            "description": "Named entity: Ntilde without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ntilde;", 
+            "description": "Named entity: Ntilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nu", 
+            "description": "Bad named entity: Nu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Nu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Nu;", 
+            "description": "Named entity: Nu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u039d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OElig", 
+            "description": "Bad named entity: OElig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&OElig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OElig;", 
+            "description": "Named entity: OElig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0152"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oacute", 
+            "description": "Named entity: Oacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oacute;", 
+            "description": "Named entity: Oacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ocirc", 
+            "description": "Named entity: Ocirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ocirc;", 
+            "description": "Named entity: Ocirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ocy", 
+            "description": "Bad named entity: Ocy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ocy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ocy;", 
+            "description": "Named entity: Ocy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u041e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Odblac", 
+            "description": "Bad named entity: Odblac without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Odblac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Odblac;", 
+            "description": "Named entity: Odblac; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0150"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ofr", 
+            "description": "Bad named entity: Ofr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ofr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ofr;", 
+            "description": "Named entity: Ofr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd12"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ograve", 
+            "description": "Named entity: Ograve without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ograve;", 
+            "description": "Named entity: Ograve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Omacr", 
+            "description": "Bad named entity: Omacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Omacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Omacr;", 
+            "description": "Named entity: Omacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u014c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Omega", 
+            "description": "Bad named entity: Omega without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Omega"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Omega;", 
+            "description": "Named entity: Omega; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Omicron", 
+            "description": "Bad named entity: Omicron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Omicron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Omicron;", 
+            "description": "Named entity: Omicron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u039f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oopf", 
+            "description": "Bad named entity: Oopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Oopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oopf;", 
+            "description": "Named entity: Oopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd46"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OpenCurlyDoubleQuote", 
+            "description": "Bad named entity: OpenCurlyDoubleQuote without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&OpenCurlyDoubleQuote"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OpenCurlyDoubleQuote;", 
+            "description": "Named entity: OpenCurlyDoubleQuote; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OpenCurlyQuote", 
+            "description": "Bad named entity: OpenCurlyQuote without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&OpenCurlyQuote"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OpenCurlyQuote;", 
+            "description": "Named entity: OpenCurlyQuote; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2018"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Or", 
+            "description": "Bad named entity: Or without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Or"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Or;", 
+            "description": "Named entity: Or; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a54"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oscr", 
+            "description": "Bad named entity: Oscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Oscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oscr;", 
+            "description": "Named entity: Oscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcaa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oslash", 
+            "description": "Named entity: Oslash without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Oslash;", 
+            "description": "Named entity: Oslash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Otilde", 
+            "description": "Named entity: Otilde without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Otilde;", 
+            "description": "Named entity: Otilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Otimes", 
+            "description": "Bad named entity: Otimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Otimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Otimes;", 
+            "description": "Named entity: Otimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a37"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ouml", 
+            "description": "Named entity: Ouml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ouml;", 
+            "description": "Named entity: Ouml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverBar", 
+            "description": "Bad named entity: OverBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&OverBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverBar;", 
+            "description": "Named entity: OverBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u203e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverBrace", 
+            "description": "Bad named entity: OverBrace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&OverBrace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverBrace;", 
+            "description": "Named entity: OverBrace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23de"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverBracket", 
+            "description": "Bad named entity: OverBracket without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&OverBracket"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverBracket;", 
+            "description": "Named entity: OverBracket; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverParenthesis", 
+            "description": "Bad named entity: OverParenthesis without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&OverParenthesis"
+                ]
+            ]
+        }, 
+        {
+            "input": "&OverParenthesis;", 
+            "description": "Named entity: OverParenthesis; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PartialD", 
+            "description": "Bad named entity: PartialD without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&PartialD"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PartialD;", 
+            "description": "Named entity: PartialD; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2202"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pcy", 
+            "description": "Bad named entity: Pcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Pcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pcy;", 
+            "description": "Named entity: Pcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u041f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pfr", 
+            "description": "Bad named entity: Pfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Pfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pfr;", 
+            "description": "Named entity: Pfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd13"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Phi", 
+            "description": "Bad named entity: Phi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Phi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Phi;", 
+            "description": "Named entity: Phi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pi", 
+            "description": "Bad named entity: Pi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Pi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pi;", 
+            "description": "Named entity: Pi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PlusMinus", 
+            "description": "Bad named entity: PlusMinus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&PlusMinus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PlusMinus;", 
+            "description": "Named entity: PlusMinus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Poincareplane", 
+            "description": "Bad named entity: Poincareplane without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Poincareplane"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Poincareplane;", 
+            "description": "Named entity: Poincareplane; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Popf", 
+            "description": "Bad named entity: Popf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Popf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Popf;", 
+            "description": "Named entity: Popf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2119"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pr", 
+            "description": "Bad named entity: Pr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Pr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pr;", 
+            "description": "Named entity: Pr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2abb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Precedes", 
+            "description": "Bad named entity: Precedes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Precedes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Precedes;", 
+            "description": "Named entity: Precedes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PrecedesEqual", 
+            "description": "Bad named entity: PrecedesEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&PrecedesEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PrecedesEqual;", 
+            "description": "Named entity: PrecedesEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aaf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PrecedesSlantEqual", 
+            "description": "Bad named entity: PrecedesSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&PrecedesSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PrecedesSlantEqual;", 
+            "description": "Named entity: PrecedesSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PrecedesTilde", 
+            "description": "Bad named entity: PrecedesTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&PrecedesTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&PrecedesTilde;", 
+            "description": "Named entity: PrecedesTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Prime", 
+            "description": "Bad named entity: Prime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Prime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Prime;", 
+            "description": "Named entity: Prime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2033"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Product", 
+            "description": "Bad named entity: Product without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Product"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Product;", 
+            "description": "Named entity: Product; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Proportion", 
+            "description": "Bad named entity: Proportion without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Proportion"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Proportion;", 
+            "description": "Named entity: Proportion; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2237"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Proportional", 
+            "description": "Bad named entity: Proportional without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Proportional"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Proportional;", 
+            "description": "Named entity: Proportional; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pscr", 
+            "description": "Bad named entity: Pscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Pscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Pscr;", 
+            "description": "Named entity: Pscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Psi", 
+            "description": "Bad named entity: Psi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Psi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Psi;", 
+            "description": "Named entity: Psi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&QUOT", 
+            "description": "Named entity: QUOT without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\""
+                ]
+            ]
+        }, 
+        {
+            "input": "&QUOT;", 
+            "description": "Named entity: QUOT; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\""
+                ]
+            ]
+        }, 
+        {
+            "input": "&Qfr", 
+            "description": "Bad named entity: Qfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Qfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Qfr;", 
+            "description": "Named entity: Qfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd14"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Qopf", 
+            "description": "Bad named entity: Qopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Qopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Qopf;", 
+            "description": "Named entity: Qopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Qscr", 
+            "description": "Bad named entity: Qscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Qscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Qscr;", 
+            "description": "Named entity: Qscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RBarr", 
+            "description": "Bad named entity: RBarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RBarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RBarr;", 
+            "description": "Named entity: RBarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2910"
+                ]
+            ]
+        }, 
+        {
+            "input": "&REG", 
+            "description": "Named entity: REG without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&REG;", 
+            "description": "Named entity: REG; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Racute", 
+            "description": "Bad named entity: Racute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Racute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Racute;", 
+            "description": "Named entity: Racute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0154"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rang", 
+            "description": "Bad named entity: Rang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rang;", 
+            "description": "Named entity: Rang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rarr", 
+            "description": "Bad named entity: Rarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rarr;", 
+            "description": "Named entity: Rarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rarrtl", 
+            "description": "Bad named entity: Rarrtl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rarrtl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rarrtl;", 
+            "description": "Named entity: Rarrtl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2916"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rcaron", 
+            "description": "Bad named entity: Rcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rcaron;", 
+            "description": "Named entity: Rcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0158"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rcedil", 
+            "description": "Bad named entity: Rcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rcedil;", 
+            "description": "Named entity: Rcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0156"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rcy", 
+            "description": "Bad named entity: Rcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rcy;", 
+            "description": "Named entity: Rcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0420"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Re", 
+            "description": "Bad named entity: Re without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Re"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Re;", 
+            "description": "Named entity: Re; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ReverseElement", 
+            "description": "Bad named entity: ReverseElement without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ReverseElement"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ReverseElement;", 
+            "description": "Named entity: ReverseElement; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ReverseEquilibrium", 
+            "description": "Bad named entity: ReverseEquilibrium without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ReverseEquilibrium"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ReverseEquilibrium;", 
+            "description": "Named entity: ReverseEquilibrium; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ReverseUpEquilibrium", 
+            "description": "Bad named entity: ReverseUpEquilibrium without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ReverseUpEquilibrium"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ReverseUpEquilibrium;", 
+            "description": "Named entity: ReverseUpEquilibrium; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rfr", 
+            "description": "Bad named entity: Rfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rfr;", 
+            "description": "Named entity: Rfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rho", 
+            "description": "Bad named entity: Rho without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rho"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rho;", 
+            "description": "Named entity: Rho; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightAngleBracket", 
+            "description": "Bad named entity: RightAngleBracket without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightAngleBracket"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightAngleBracket;", 
+            "description": "Named entity: RightAngleBracket; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightArrow", 
+            "description": "Bad named entity: RightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightArrow;", 
+            "description": "Named entity: RightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2192"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightArrowBar", 
+            "description": "Bad named entity: RightArrowBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightArrowBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightArrowBar;", 
+            "description": "Named entity: RightArrowBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightArrowLeftArrow", 
+            "description": "Bad named entity: RightArrowLeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightArrowLeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightArrowLeftArrow;", 
+            "description": "Named entity: RightArrowLeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightCeiling", 
+            "description": "Bad named entity: RightCeiling without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightCeiling"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightCeiling;", 
+            "description": "Named entity: RightCeiling; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2309"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDoubleBracket", 
+            "description": "Bad named entity: RightDoubleBracket without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightDoubleBracket"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDoubleBracket;", 
+            "description": "Named entity: RightDoubleBracket; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDownTeeVector", 
+            "description": "Bad named entity: RightDownTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightDownTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDownTeeVector;", 
+            "description": "Named entity: RightDownTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u295d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDownVector", 
+            "description": "Bad named entity: RightDownVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightDownVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDownVector;", 
+            "description": "Named entity: RightDownVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDownVectorBar", 
+            "description": "Bad named entity: RightDownVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightDownVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightDownVectorBar;", 
+            "description": "Named entity: RightDownVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2955"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightFloor", 
+            "description": "Bad named entity: RightFloor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightFloor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightFloor;", 
+            "description": "Named entity: RightFloor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTee", 
+            "description": "Bad named entity: RightTee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightTee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTee;", 
+            "description": "Named entity: RightTee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTeeArrow", 
+            "description": "Bad named entity: RightTeeArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightTeeArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTeeArrow;", 
+            "description": "Named entity: RightTeeArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTeeVector", 
+            "description": "Bad named entity: RightTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTeeVector;", 
+            "description": "Named entity: RightTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u295b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTriangle", 
+            "description": "Bad named entity: RightTriangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightTriangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTriangle;", 
+            "description": "Named entity: RightTriangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTriangleBar", 
+            "description": "Bad named entity: RightTriangleBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightTriangleBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTriangleBar;", 
+            "description": "Named entity: RightTriangleBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTriangleEqual", 
+            "description": "Bad named entity: RightTriangleEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightTriangleEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightTriangleEqual;", 
+            "description": "Named entity: RightTriangleEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpDownVector", 
+            "description": "Bad named entity: RightUpDownVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightUpDownVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpDownVector;", 
+            "description": "Named entity: RightUpDownVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u294f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpTeeVector", 
+            "description": "Bad named entity: RightUpTeeVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightUpTeeVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpTeeVector;", 
+            "description": "Named entity: RightUpTeeVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u295c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpVector", 
+            "description": "Bad named entity: RightUpVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightUpVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpVector;", 
+            "description": "Named entity: RightUpVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpVectorBar", 
+            "description": "Bad named entity: RightUpVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightUpVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightUpVectorBar;", 
+            "description": "Named entity: RightUpVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2954"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightVector", 
+            "description": "Bad named entity: RightVector without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightVector"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightVector;", 
+            "description": "Named entity: RightVector; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightVectorBar", 
+            "description": "Bad named entity: RightVectorBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RightVectorBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RightVectorBar;", 
+            "description": "Named entity: RightVectorBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2953"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rightarrow", 
+            "description": "Bad named entity: Rightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rightarrow;", 
+            "description": "Named entity: Rightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ropf", 
+            "description": "Bad named entity: Ropf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ropf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ropf;", 
+            "description": "Named entity: Ropf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RoundImplies", 
+            "description": "Bad named entity: RoundImplies without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RoundImplies"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RoundImplies;", 
+            "description": "Named entity: RoundImplies; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2970"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rrightarrow", 
+            "description": "Bad named entity: Rrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rrightarrow;", 
+            "description": "Named entity: Rrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rscr", 
+            "description": "Bad named entity: Rscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rscr;", 
+            "description": "Named entity: Rscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rsh", 
+            "description": "Bad named entity: Rsh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Rsh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Rsh;", 
+            "description": "Named entity: Rsh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RuleDelayed", 
+            "description": "Bad named entity: RuleDelayed without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&RuleDelayed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&RuleDelayed;", 
+            "description": "Named entity: RuleDelayed; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29f4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SHCHcy", 
+            "description": "Bad named entity: SHCHcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SHCHcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SHCHcy;", 
+            "description": "Named entity: SHCHcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0429"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SHcy", 
+            "description": "Bad named entity: SHcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SHcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SHcy;", 
+            "description": "Named entity: SHcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0428"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SOFTcy", 
+            "description": "Bad named entity: SOFTcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SOFTcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SOFTcy;", 
+            "description": "Named entity: SOFTcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u042c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sacute", 
+            "description": "Bad named entity: Sacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sacute;", 
+            "description": "Named entity: Sacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u015a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sc", 
+            "description": "Bad named entity: Sc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sc;", 
+            "description": "Named entity: Sc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2abc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scaron", 
+            "description": "Bad named entity: Scaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Scaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scaron;", 
+            "description": "Named entity: Scaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0160"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scedil", 
+            "description": "Bad named entity: Scedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Scedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scedil;", 
+            "description": "Named entity: Scedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u015e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scirc", 
+            "description": "Bad named entity: Scirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Scirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scirc;", 
+            "description": "Named entity: Scirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u015c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scy", 
+            "description": "Bad named entity: Scy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Scy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Scy;", 
+            "description": "Named entity: Scy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0421"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sfr", 
+            "description": "Bad named entity: Sfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sfr;", 
+            "description": "Named entity: Sfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd16"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortDownArrow", 
+            "description": "Bad named entity: ShortDownArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ShortDownArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortDownArrow;", 
+            "description": "Named entity: ShortDownArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2193"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortLeftArrow", 
+            "description": "Bad named entity: ShortLeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ShortLeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortLeftArrow;", 
+            "description": "Named entity: ShortLeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2190"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortRightArrow", 
+            "description": "Bad named entity: ShortRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ShortRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortRightArrow;", 
+            "description": "Named entity: ShortRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2192"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortUpArrow", 
+            "description": "Bad named entity: ShortUpArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ShortUpArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ShortUpArrow;", 
+            "description": "Named entity: ShortUpArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2191"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sigma", 
+            "description": "Bad named entity: Sigma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sigma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sigma;", 
+            "description": "Named entity: Sigma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SmallCircle", 
+            "description": "Bad named entity: SmallCircle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SmallCircle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SmallCircle;", 
+            "description": "Named entity: SmallCircle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2218"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sopf", 
+            "description": "Bad named entity: Sopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sopf;", 
+            "description": "Named entity: Sopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd4a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sqrt", 
+            "description": "Bad named entity: Sqrt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sqrt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sqrt;", 
+            "description": "Named entity: Sqrt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Square", 
+            "description": "Bad named entity: Square without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Square"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Square;", 
+            "description": "Named entity: Square; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareIntersection", 
+            "description": "Bad named entity: SquareIntersection without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SquareIntersection"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareIntersection;", 
+            "description": "Named entity: SquareIntersection; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2293"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSubset", 
+            "description": "Bad named entity: SquareSubset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SquareSubset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSubset;", 
+            "description": "Named entity: SquareSubset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSubsetEqual", 
+            "description": "Bad named entity: SquareSubsetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SquareSubsetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSubsetEqual;", 
+            "description": "Named entity: SquareSubsetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2291"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSuperset", 
+            "description": "Bad named entity: SquareSuperset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SquareSuperset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSuperset;", 
+            "description": "Named entity: SquareSuperset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2290"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSupersetEqual", 
+            "description": "Bad named entity: SquareSupersetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SquareSupersetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareSupersetEqual;", 
+            "description": "Named entity: SquareSupersetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2292"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareUnion", 
+            "description": "Bad named entity: SquareUnion without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SquareUnion"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SquareUnion;", 
+            "description": "Named entity: SquareUnion; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2294"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sscr", 
+            "description": "Bad named entity: Sscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sscr;", 
+            "description": "Named entity: Sscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Star", 
+            "description": "Bad named entity: Star without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Star"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Star;", 
+            "description": "Named entity: Star; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sub", 
+            "description": "Bad named entity: Sub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sub;", 
+            "description": "Named entity: Sub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Subset", 
+            "description": "Bad named entity: Subset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Subset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Subset;", 
+            "description": "Named entity: Subset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SubsetEqual", 
+            "description": "Bad named entity: SubsetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SubsetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SubsetEqual;", 
+            "description": "Named entity: SubsetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2286"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Succeeds", 
+            "description": "Bad named entity: Succeeds without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Succeeds"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Succeeds;", 
+            "description": "Named entity: Succeeds; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SucceedsEqual", 
+            "description": "Bad named entity: SucceedsEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SucceedsEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SucceedsEqual;", 
+            "description": "Named entity: SucceedsEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SucceedsSlantEqual", 
+            "description": "Bad named entity: SucceedsSlantEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SucceedsSlantEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SucceedsSlantEqual;", 
+            "description": "Named entity: SucceedsSlantEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SucceedsTilde", 
+            "description": "Bad named entity: SucceedsTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SucceedsTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SucceedsTilde;", 
+            "description": "Named entity: SucceedsTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SuchThat", 
+            "description": "Bad named entity: SuchThat without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SuchThat"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SuchThat;", 
+            "description": "Named entity: SuchThat; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sum", 
+            "description": "Bad named entity: Sum without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sum"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sum;", 
+            "description": "Named entity: Sum; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2211"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sup", 
+            "description": "Bad named entity: Sup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Sup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Sup;", 
+            "description": "Named entity: Sup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Superset", 
+            "description": "Bad named entity: Superset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Superset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Superset;", 
+            "description": "Named entity: Superset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2283"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SupersetEqual", 
+            "description": "Bad named entity: SupersetEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&SupersetEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&SupersetEqual;", 
+            "description": "Named entity: SupersetEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2287"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Supset", 
+            "description": "Bad named entity: Supset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Supset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Supset;", 
+            "description": "Named entity: Supset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&THORN", 
+            "description": "Named entity: THORN without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00de"
+                ]
+            ]
+        }, 
+        {
+            "input": "&THORN;", 
+            "description": "Named entity: THORN; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00de"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TRADE", 
+            "description": "Bad named entity: TRADE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&TRADE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TRADE;", 
+            "description": "Named entity: TRADE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2122"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TSHcy", 
+            "description": "Bad named entity: TSHcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&TSHcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TSHcy;", 
+            "description": "Named entity: TSHcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u040b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TScy", 
+            "description": "Bad named entity: TScy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&TScy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TScy;", 
+            "description": "Named entity: TScy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0426"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tab", 
+            "description": "Bad named entity: Tab without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tab;", 
+            "description": "Named entity: Tab; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\t"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tau", 
+            "description": "Bad named entity: Tau without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tau"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tau;", 
+            "description": "Named entity: Tau; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tcaron", 
+            "description": "Bad named entity: Tcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tcaron;", 
+            "description": "Named entity: Tcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0164"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tcedil", 
+            "description": "Bad named entity: Tcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tcedil;", 
+            "description": "Named entity: Tcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0162"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tcy", 
+            "description": "Bad named entity: Tcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tcy;", 
+            "description": "Named entity: Tcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0422"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tfr", 
+            "description": "Bad named entity: Tfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tfr;", 
+            "description": "Named entity: Tfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd17"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Therefore", 
+            "description": "Bad named entity: Therefore without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Therefore"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Therefore;", 
+            "description": "Named entity: Therefore; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2234"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Theta", 
+            "description": "Bad named entity: Theta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Theta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Theta;", 
+            "description": "Named entity: Theta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0398"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ThickSpace", 
+            "description": "Bad named entity: ThickSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ThickSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ThickSpace;", 
+            "description": "Named entity: ThickSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u205f\u200a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ThinSpace", 
+            "description": "Bad named entity: ThinSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ThinSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ThinSpace;", 
+            "description": "Named entity: ThinSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2009"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tilde", 
+            "description": "Bad named entity: Tilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tilde;", 
+            "description": "Named entity: Tilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TildeEqual", 
+            "description": "Bad named entity: TildeEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&TildeEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TildeEqual;", 
+            "description": "Named entity: TildeEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2243"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TildeFullEqual", 
+            "description": "Bad named entity: TildeFullEqual without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&TildeFullEqual"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TildeFullEqual;", 
+            "description": "Named entity: TildeFullEqual; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2245"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TildeTilde", 
+            "description": "Bad named entity: TildeTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&TildeTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TildeTilde;", 
+            "description": "Named entity: TildeTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2248"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Topf", 
+            "description": "Bad named entity: Topf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Topf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Topf;", 
+            "description": "Named entity: Topf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd4b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TripleDot", 
+            "description": "Bad named entity: TripleDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&TripleDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&TripleDot;", 
+            "description": "Named entity: TripleDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u20db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tscr", 
+            "description": "Bad named entity: Tscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tscr;", 
+            "description": "Named entity: Tscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcaf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tstrok", 
+            "description": "Bad named entity: Tstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Tstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Tstrok;", 
+            "description": "Named entity: Tstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0166"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uacute", 
+            "description": "Named entity: Uacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uacute;", 
+            "description": "Named entity: Uacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uarr", 
+            "description": "Bad named entity: Uarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Uarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uarr;", 
+            "description": "Named entity: Uarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uarrocir", 
+            "description": "Bad named entity: Uarrocir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Uarrocir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uarrocir;", 
+            "description": "Named entity: Uarrocir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2949"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ubrcy", 
+            "description": "Bad named entity: Ubrcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ubrcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ubrcy;", 
+            "description": "Named entity: Ubrcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u040e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ubreve", 
+            "description": "Bad named entity: Ubreve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ubreve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ubreve;", 
+            "description": "Named entity: Ubreve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u016c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ucirc", 
+            "description": "Named entity: Ucirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ucirc;", 
+            "description": "Named entity: Ucirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ucy", 
+            "description": "Bad named entity: Ucy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ucy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ucy;", 
+            "description": "Named entity: Ucy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0423"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Udblac", 
+            "description": "Bad named entity: Udblac without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Udblac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Udblac;", 
+            "description": "Named entity: Udblac; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0170"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ufr", 
+            "description": "Bad named entity: Ufr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ufr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ufr;", 
+            "description": "Named entity: Ufr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd18"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ugrave", 
+            "description": "Named entity: Ugrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ugrave;", 
+            "description": "Named entity: Ugrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Umacr", 
+            "description": "Bad named entity: Umacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Umacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Umacr;", 
+            "description": "Named entity: Umacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u016a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderBar", 
+            "description": "Bad named entity: UnderBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UnderBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderBar;", 
+            "description": "Named entity: UnderBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "_"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderBrace", 
+            "description": "Bad named entity: UnderBrace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UnderBrace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderBrace;", 
+            "description": "Named entity: UnderBrace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23df"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderBracket", 
+            "description": "Bad named entity: UnderBracket without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UnderBracket"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderBracket;", 
+            "description": "Named entity: UnderBracket; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderParenthesis", 
+            "description": "Bad named entity: UnderParenthesis without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UnderParenthesis"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnderParenthesis;", 
+            "description": "Named entity: UnderParenthesis; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Union", 
+            "description": "Bad named entity: Union without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Union"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Union;", 
+            "description": "Named entity: Union; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnionPlus", 
+            "description": "Bad named entity: UnionPlus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UnionPlus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UnionPlus;", 
+            "description": "Named entity: UnionPlus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uogon", 
+            "description": "Bad named entity: Uogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Uogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uogon;", 
+            "description": "Named entity: Uogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0172"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uopf", 
+            "description": "Bad named entity: Uopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Uopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uopf;", 
+            "description": "Named entity: Uopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd4c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpArrow", 
+            "description": "Bad named entity: UpArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpArrow;", 
+            "description": "Named entity: UpArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2191"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpArrowBar", 
+            "description": "Bad named entity: UpArrowBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpArrowBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpArrowBar;", 
+            "description": "Named entity: UpArrowBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2912"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpArrowDownArrow", 
+            "description": "Bad named entity: UpArrowDownArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpArrowDownArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpArrowDownArrow;", 
+            "description": "Named entity: UpArrowDownArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpDownArrow", 
+            "description": "Bad named entity: UpDownArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpDownArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpDownArrow;", 
+            "description": "Named entity: UpDownArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2195"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpEquilibrium", 
+            "description": "Bad named entity: UpEquilibrium without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpEquilibrium"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpEquilibrium;", 
+            "description": "Named entity: UpEquilibrium; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpTee", 
+            "description": "Bad named entity: UpTee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpTee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpTee;", 
+            "description": "Named entity: UpTee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpTeeArrow", 
+            "description": "Bad named entity: UpTeeArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpTeeArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpTeeArrow;", 
+            "description": "Named entity: UpTeeArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uparrow", 
+            "description": "Bad named entity: Uparrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Uparrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uparrow;", 
+            "description": "Named entity: Uparrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Updownarrow", 
+            "description": "Bad named entity: Updownarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Updownarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Updownarrow;", 
+            "description": "Named entity: Updownarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpperLeftArrow", 
+            "description": "Bad named entity: UpperLeftArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpperLeftArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpperLeftArrow;", 
+            "description": "Named entity: UpperLeftArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2196"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpperRightArrow", 
+            "description": "Bad named entity: UpperRightArrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&UpperRightArrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&UpperRightArrow;", 
+            "description": "Named entity: UpperRightArrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2197"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Upsi", 
+            "description": "Bad named entity: Upsi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Upsi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Upsi;", 
+            "description": "Named entity: Upsi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Upsilon", 
+            "description": "Bad named entity: Upsilon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Upsilon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Upsilon;", 
+            "description": "Named entity: Upsilon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uring", 
+            "description": "Bad named entity: Uring without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Uring"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uring;", 
+            "description": "Named entity: Uring; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u016e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uscr", 
+            "description": "Bad named entity: Uscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Uscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uscr;", 
+            "description": "Named entity: Uscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Utilde", 
+            "description": "Bad named entity: Utilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Utilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Utilde;", 
+            "description": "Named entity: Utilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0168"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uuml", 
+            "description": "Named entity: Uuml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Uuml;", 
+            "description": "Named entity: Uuml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VDash", 
+            "description": "Bad named entity: VDash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&VDash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VDash;", 
+            "description": "Named entity: VDash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vbar", 
+            "description": "Bad named entity: Vbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vbar;", 
+            "description": "Named entity: Vbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aeb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vcy", 
+            "description": "Bad named entity: Vcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vcy;", 
+            "description": "Named entity: Vcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0412"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vdash", 
+            "description": "Bad named entity: Vdash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vdash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vdash;", 
+            "description": "Named entity: Vdash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vdashl", 
+            "description": "Bad named entity: Vdashl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vdashl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vdashl;", 
+            "description": "Named entity: Vdashl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ae6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vee", 
+            "description": "Bad named entity: Vee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vee;", 
+            "description": "Named entity: Vee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Verbar", 
+            "description": "Bad named entity: Verbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Verbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Verbar;", 
+            "description": "Named entity: Verbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2016"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vert", 
+            "description": "Bad named entity: Vert without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vert"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vert;", 
+            "description": "Named entity: Vert; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2016"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalBar", 
+            "description": "Bad named entity: VerticalBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&VerticalBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalBar;", 
+            "description": "Named entity: VerticalBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2223"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalLine", 
+            "description": "Bad named entity: VerticalLine without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&VerticalLine"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalLine;", 
+            "description": "Named entity: VerticalLine; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "|"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalSeparator", 
+            "description": "Bad named entity: VerticalSeparator without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&VerticalSeparator"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalSeparator;", 
+            "description": "Named entity: VerticalSeparator; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2758"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalTilde", 
+            "description": "Bad named entity: VerticalTilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&VerticalTilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VerticalTilde;", 
+            "description": "Named entity: VerticalTilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2240"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VeryThinSpace", 
+            "description": "Bad named entity: VeryThinSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&VeryThinSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&VeryThinSpace;", 
+            "description": "Named entity: VeryThinSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vfr", 
+            "description": "Bad named entity: Vfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vfr;", 
+            "description": "Named entity: Vfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd19"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vopf", 
+            "description": "Bad named entity: Vopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vopf;", 
+            "description": "Named entity: Vopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd4d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vscr", 
+            "description": "Bad named entity: Vscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vscr;", 
+            "description": "Named entity: Vscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vvdash", 
+            "description": "Bad named entity: Vvdash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Vvdash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Vvdash;", 
+            "description": "Named entity: Vvdash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wcirc", 
+            "description": "Bad named entity: Wcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Wcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wcirc;", 
+            "description": "Named entity: Wcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0174"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wedge", 
+            "description": "Bad named entity: Wedge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Wedge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wedge;", 
+            "description": "Named entity: Wedge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wfr", 
+            "description": "Bad named entity: Wfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Wfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wfr;", 
+            "description": "Named entity: Wfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd1a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wopf", 
+            "description": "Bad named entity: Wopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Wopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wopf;", 
+            "description": "Named entity: Wopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd4e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wscr", 
+            "description": "Bad named entity: Wscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Wscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Wscr;", 
+            "description": "Named entity: Wscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xfr", 
+            "description": "Bad named entity: Xfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Xfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xfr;", 
+            "description": "Named entity: Xfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd1b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xi", 
+            "description": "Bad named entity: Xi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Xi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xi;", 
+            "description": "Named entity: Xi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u039e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xopf", 
+            "description": "Bad named entity: Xopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Xopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xopf;", 
+            "description": "Named entity: Xopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd4f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xscr", 
+            "description": "Bad named entity: Xscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Xscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Xscr;", 
+            "description": "Named entity: Xscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&YAcy", 
+            "description": "Bad named entity: YAcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&YAcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&YAcy;", 
+            "description": "Named entity: YAcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u042f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&YIcy", 
+            "description": "Bad named entity: YIcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&YIcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&YIcy;", 
+            "description": "Named entity: YIcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0407"
+                ]
+            ]
+        }, 
+        {
+            "input": "&YUcy", 
+            "description": "Bad named entity: YUcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&YUcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&YUcy;", 
+            "description": "Named entity: YUcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u042e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yacute", 
+            "description": "Named entity: Yacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yacute;", 
+            "description": "Named entity: Yacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ycirc", 
+            "description": "Bad named entity: Ycirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ycirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ycirc;", 
+            "description": "Named entity: Ycirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0176"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ycy", 
+            "description": "Bad named entity: Ycy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Ycy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Ycy;", 
+            "description": "Named entity: Ycy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u042b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yfr", 
+            "description": "Bad named entity: Yfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Yfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yfr;", 
+            "description": "Named entity: Yfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd1c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yopf", 
+            "description": "Bad named entity: Yopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Yopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yopf;", 
+            "description": "Named entity: Yopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd50"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yscr", 
+            "description": "Bad named entity: Yscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Yscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yscr;", 
+            "description": "Named entity: Yscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yuml", 
+            "description": "Bad named entity: Yuml without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Yuml"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Yuml;", 
+            "description": "Named entity: Yuml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0178"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ZHcy", 
+            "description": "Bad named entity: ZHcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ZHcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ZHcy;", 
+            "description": "Named entity: ZHcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0416"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zacute", 
+            "description": "Bad named entity: Zacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zacute;", 
+            "description": "Named entity: Zacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0179"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zcaron", 
+            "description": "Bad named entity: Zcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zcaron;", 
+            "description": "Named entity: Zcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u017d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zcy", 
+            "description": "Bad named entity: Zcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zcy;", 
+            "description": "Named entity: Zcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0417"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zdot", 
+            "description": "Bad named entity: Zdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zdot;", 
+            "description": "Named entity: Zdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u017b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ZeroWidthSpace", 
+            "description": "Bad named entity: ZeroWidthSpace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ZeroWidthSpace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ZeroWidthSpace;", 
+            "description": "Named entity: ZeroWidthSpace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zeta", 
+            "description": "Bad named entity: Zeta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zeta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zeta;", 
+            "description": "Named entity: Zeta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0396"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zfr", 
+            "description": "Bad named entity: Zfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zfr;", 
+            "description": "Named entity: Zfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2128"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zopf", 
+            "description": "Bad named entity: Zopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zopf;", 
+            "description": "Named entity: Zopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2124"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zscr", 
+            "description": "Bad named entity: Zscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&Zscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&Zscr;", 
+            "description": "Named entity: Zscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aacute", 
+            "description": "Named entity: aacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aacute;", 
+            "description": "Named entity: aacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&abreve", 
+            "description": "Bad named entity: abreve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&abreve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&abreve;", 
+            "description": "Named entity: abreve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0103"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ac", 
+            "description": "Bad named entity: ac without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ac;", 
+            "description": "Named entity: ac; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acE", 
+            "description": "Bad named entity: acE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&acE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acE;", 
+            "description": "Named entity: acE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223e\u0333"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acd", 
+            "description": "Bad named entity: acd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&acd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acd;", 
+            "description": "Named entity: acd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acirc", 
+            "description": "Named entity: acirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acirc;", 
+            "description": "Named entity: acirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acute", 
+            "description": "Named entity: acute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acute;", 
+            "description": "Named entity: acute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acy", 
+            "description": "Bad named entity: acy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&acy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&acy;", 
+            "description": "Named entity: acy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0430"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aelig", 
+            "description": "Named entity: aelig without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aelig;", 
+            "description": "Named entity: aelig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&af", 
+            "description": "Bad named entity: af without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&af"
+                ]
+            ]
+        }, 
+        {
+            "input": "&af;", 
+            "description": "Named entity: af; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2061"
+                ]
+            ]
+        }, 
+        {
+            "input": "&afr", 
+            "description": "Bad named entity: afr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&afr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&afr;", 
+            "description": "Named entity: afr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd1e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&agrave", 
+            "description": "Named entity: agrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&agrave;", 
+            "description": "Named entity: agrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&alefsym", 
+            "description": "Bad named entity: alefsym without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&alefsym"
+                ]
+            ]
+        }, 
+        {
+            "input": "&alefsym;", 
+            "description": "Named entity: alefsym; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2135"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aleph", 
+            "description": "Bad named entity: aleph without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&aleph"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aleph;", 
+            "description": "Named entity: aleph; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2135"
+                ]
+            ]
+        }, 
+        {
+            "input": "&alpha", 
+            "description": "Bad named entity: alpha without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&alpha"
+                ]
+            ]
+        }, 
+        {
+            "input": "&alpha;", 
+            "description": "Named entity: alpha; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&amacr", 
+            "description": "Bad named entity: amacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&amacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&amacr;", 
+            "description": "Named entity: amacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0101"
+                ]
+            ]
+        }, 
+        {
+            "input": "&amalg", 
+            "description": "Bad named entity: amalg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&amalg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&amalg;", 
+            "description": "Named entity: amalg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a3f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&amp", 
+            "description": "Named entity: amp without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "&"
+                ]
+            ]
+        }, 
+        {
+            "input": "&amp;", 
+            "description": "Named entity: amp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&"
+                ]
+            ]
+        }, 
+        {
+            "input": "&and", 
+            "description": "Bad named entity: and without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&and"
+                ]
+            ]
+        }, 
+        {
+            "input": "&and;", 
+            "description": "Named entity: and; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2227"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andand", 
+            "description": "Bad named entity: andand without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&andand"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andand;", 
+            "description": "Named entity: andand; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a55"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andd", 
+            "description": "Bad named entity: andd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&andd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andd;", 
+            "description": "Named entity: andd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a5c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andslope", 
+            "description": "Bad named entity: andslope without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&andslope"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andslope;", 
+            "description": "Named entity: andslope; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a58"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andv", 
+            "description": "Bad named entity: andv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&andv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&andv;", 
+            "description": "Named entity: andv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a5a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ang", 
+            "description": "Bad named entity: ang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ang;", 
+            "description": "Named entity: ang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2220"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ange", 
+            "description": "Bad named entity: ange without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ange"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ange;", 
+            "description": "Named entity: ange; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angle", 
+            "description": "Bad named entity: angle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angle;", 
+            "description": "Named entity: angle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2220"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsd", 
+            "description": "Bad named entity: angmsd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsd;", 
+            "description": "Named entity: angmsd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2221"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdaa", 
+            "description": "Bad named entity: angmsdaa without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdaa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdaa;", 
+            "description": "Named entity: angmsdaa; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdab", 
+            "description": "Bad named entity: angmsdab without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdab;", 
+            "description": "Named entity: angmsdab; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdac", 
+            "description": "Bad named entity: angmsdac without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdac;", 
+            "description": "Named entity: angmsdac; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdad", 
+            "description": "Bad named entity: angmsdad without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdad;", 
+            "description": "Named entity: angmsdad; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29ab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdae", 
+            "description": "Bad named entity: angmsdae without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdae;", 
+            "description": "Named entity: angmsdae; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdaf", 
+            "description": "Bad named entity: angmsdaf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdaf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdaf;", 
+            "description": "Named entity: angmsdaf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29ad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdag", 
+            "description": "Bad named entity: angmsdag without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdag"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdag;", 
+            "description": "Named entity: angmsdag; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdah", 
+            "description": "Bad named entity: angmsdah without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angmsdah"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angmsdah;", 
+            "description": "Named entity: angmsdah; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29af"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angrt", 
+            "description": "Bad named entity: angrt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angrt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angrt;", 
+            "description": "Named entity: angrt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angrtvb", 
+            "description": "Bad named entity: angrtvb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angrtvb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angrtvb;", 
+            "description": "Named entity: angrtvb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angrtvbd", 
+            "description": "Bad named entity: angrtvbd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angrtvbd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angrtvbd;", 
+            "description": "Named entity: angrtvbd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u299d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angsph", 
+            "description": "Bad named entity: angsph without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angsph"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angsph;", 
+            "description": "Named entity: angsph; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2222"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angst", 
+            "description": "Bad named entity: angst without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angst"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angst;", 
+            "description": "Named entity: angst; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angzarr", 
+            "description": "Bad named entity: angzarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&angzarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&angzarr;", 
+            "description": "Named entity: angzarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u237c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aogon", 
+            "description": "Bad named entity: aogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&aogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aogon;", 
+            "description": "Named entity: aogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0105"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aopf", 
+            "description": "Bad named entity: aopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&aopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aopf;", 
+            "description": "Named entity: aopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd52"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ap", 
+            "description": "Bad named entity: ap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ap;", 
+            "description": "Named entity: ap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2248"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apE", 
+            "description": "Bad named entity: apE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&apE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apE;", 
+            "description": "Named entity: apE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a70"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apacir", 
+            "description": "Bad named entity: apacir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&apacir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apacir;", 
+            "description": "Named entity: apacir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a6f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ape", 
+            "description": "Bad named entity: ape without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ape"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ape;", 
+            "description": "Named entity: ape; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apid", 
+            "description": "Bad named entity: apid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&apid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apid;", 
+            "description": "Named entity: apid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apos", 
+            "description": "Bad named entity: apos without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&apos"
+                ]
+            ]
+        }, 
+        {
+            "input": "&apos;", 
+            "description": "Named entity: apos; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "'"
+                ]
+            ]
+        }, 
+        {
+            "input": "&approx", 
+            "description": "Bad named entity: approx without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&approx"
+                ]
+            ]
+        }, 
+        {
+            "input": "&approx;", 
+            "description": "Named entity: approx; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2248"
+                ]
+            ]
+        }, 
+        {
+            "input": "&approxeq", 
+            "description": "Bad named entity: approxeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&approxeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&approxeq;", 
+            "description": "Named entity: approxeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aring", 
+            "description": "Named entity: aring without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&aring;", 
+            "description": "Named entity: aring; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ascr", 
+            "description": "Bad named entity: ascr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ascr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ascr;", 
+            "description": "Named entity: ascr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ast", 
+            "description": "Bad named entity: ast without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ast"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ast;", 
+            "description": "Named entity: ast; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "*"
+                ]
+            ]
+        }, 
+        {
+            "input": "&asymp", 
+            "description": "Bad named entity: asymp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&asymp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&asymp;", 
+            "description": "Named entity: asymp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2248"
+                ]
+            ]
+        }, 
+        {
+            "input": "&asympeq", 
+            "description": "Bad named entity: asympeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&asympeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&asympeq;", 
+            "description": "Named entity: asympeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&atilde", 
+            "description": "Named entity: atilde without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&atilde;", 
+            "description": "Named entity: atilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&auml", 
+            "description": "Named entity: auml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&auml;", 
+            "description": "Named entity: auml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&awconint", 
+            "description": "Bad named entity: awconint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&awconint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&awconint;", 
+            "description": "Named entity: awconint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2233"
+                ]
+            ]
+        }, 
+        {
+            "input": "&awint", 
+            "description": "Bad named entity: awint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&awint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&awint;", 
+            "description": "Named entity: awint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a11"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bNot", 
+            "description": "Bad named entity: bNot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bNot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bNot;", 
+            "description": "Named entity: bNot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backcong", 
+            "description": "Bad named entity: backcong without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&backcong"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backcong;", 
+            "description": "Named entity: backcong; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backepsilon", 
+            "description": "Bad named entity: backepsilon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&backepsilon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backepsilon;", 
+            "description": "Named entity: backepsilon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backprime", 
+            "description": "Bad named entity: backprime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&backprime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backprime;", 
+            "description": "Named entity: backprime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2035"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backsim", 
+            "description": "Bad named entity: backsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&backsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backsim;", 
+            "description": "Named entity: backsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backsimeq", 
+            "description": "Bad named entity: backsimeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&backsimeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&backsimeq;", 
+            "description": "Named entity: backsimeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&barvee", 
+            "description": "Bad named entity: barvee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&barvee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&barvee;", 
+            "description": "Named entity: barvee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&barwed", 
+            "description": "Bad named entity: barwed without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&barwed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&barwed;", 
+            "description": "Named entity: barwed; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2305"
+                ]
+            ]
+        }, 
+        {
+            "input": "&barwedge", 
+            "description": "Bad named entity: barwedge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&barwedge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&barwedge;", 
+            "description": "Named entity: barwedge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2305"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bbrk", 
+            "description": "Bad named entity: bbrk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bbrk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bbrk;", 
+            "description": "Named entity: bbrk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bbrktbrk", 
+            "description": "Bad named entity: bbrktbrk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bbrktbrk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bbrktbrk;", 
+            "description": "Named entity: bbrktbrk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bcong", 
+            "description": "Bad named entity: bcong without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bcong"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bcong;", 
+            "description": "Named entity: bcong; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bcy", 
+            "description": "Bad named entity: bcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bcy;", 
+            "description": "Named entity: bcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0431"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bdquo", 
+            "description": "Bad named entity: bdquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bdquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bdquo;", 
+            "description": "Named entity: bdquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&becaus", 
+            "description": "Bad named entity: becaus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&becaus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&becaus;", 
+            "description": "Named entity: becaus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2235"
+                ]
+            ]
+        }, 
+        {
+            "input": "&because", 
+            "description": "Bad named entity: because without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&because"
+                ]
+            ]
+        }, 
+        {
+            "input": "&because;", 
+            "description": "Named entity: because; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2235"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bemptyv", 
+            "description": "Bad named entity: bemptyv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bemptyv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bemptyv;", 
+            "description": "Named entity: bemptyv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bepsi", 
+            "description": "Bad named entity: bepsi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bepsi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bepsi;", 
+            "description": "Named entity: bepsi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bernou", 
+            "description": "Bad named entity: bernou without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bernou"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bernou;", 
+            "description": "Named entity: bernou; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u212c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&beta", 
+            "description": "Bad named entity: beta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&beta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&beta;", 
+            "description": "Named entity: beta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&beth", 
+            "description": "Bad named entity: beth without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&beth"
+                ]
+            ]
+        }, 
+        {
+            "input": "&beth;", 
+            "description": "Named entity: beth; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2136"
+                ]
+            ]
+        }, 
+        {
+            "input": "&between", 
+            "description": "Bad named entity: between without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&between"
+                ]
+            ]
+        }, 
+        {
+            "input": "&between;", 
+            "description": "Named entity: between; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bfr", 
+            "description": "Bad named entity: bfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bfr;", 
+            "description": "Named entity: bfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd1f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigcap", 
+            "description": "Bad named entity: bigcap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigcap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigcap;", 
+            "description": "Named entity: bigcap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigcirc", 
+            "description": "Bad named entity: bigcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigcirc;", 
+            "description": "Named entity: bigcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ef"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigcup", 
+            "description": "Bad named entity: bigcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigcup;", 
+            "description": "Named entity: bigcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigodot", 
+            "description": "Bad named entity: bigodot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigodot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigodot;", 
+            "description": "Named entity: bigodot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigoplus", 
+            "description": "Bad named entity: bigoplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigoplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigoplus;", 
+            "description": "Named entity: bigoplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a01"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigotimes", 
+            "description": "Bad named entity: bigotimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigotimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigotimes;", 
+            "description": "Named entity: bigotimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a02"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigsqcup", 
+            "description": "Bad named entity: bigsqcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigsqcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigsqcup;", 
+            "description": "Named entity: bigsqcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a06"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigstar", 
+            "description": "Bad named entity: bigstar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigstar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigstar;", 
+            "description": "Named entity: bigstar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2605"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigtriangledown", 
+            "description": "Bad named entity: bigtriangledown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigtriangledown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigtriangledown;", 
+            "description": "Named entity: bigtriangledown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigtriangleup", 
+            "description": "Bad named entity: bigtriangleup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigtriangleup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigtriangleup;", 
+            "description": "Named entity: bigtriangleup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&biguplus", 
+            "description": "Bad named entity: biguplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&biguplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&biguplus;", 
+            "description": "Named entity: biguplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a04"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigvee", 
+            "description": "Bad named entity: bigvee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigvee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigvee;", 
+            "description": "Named entity: bigvee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigwedge", 
+            "description": "Bad named entity: bigwedge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bigwedge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bigwedge;", 
+            "description": "Named entity: bigwedge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bkarow", 
+            "description": "Bad named entity: bkarow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bkarow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bkarow;", 
+            "description": "Named entity: bkarow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u290d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacklozenge", 
+            "description": "Bad named entity: blacklozenge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blacklozenge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacklozenge;", 
+            "description": "Named entity: blacklozenge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacksquare", 
+            "description": "Bad named entity: blacksquare without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blacksquare"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacksquare;", 
+            "description": "Named entity: blacksquare; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangle", 
+            "description": "Bad named entity: blacktriangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blacktriangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangle;", 
+            "description": "Named entity: blacktriangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangledown", 
+            "description": "Bad named entity: blacktriangledown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blacktriangledown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangledown;", 
+            "description": "Named entity: blacktriangledown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangleleft", 
+            "description": "Bad named entity: blacktriangleleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blacktriangleleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangleleft;", 
+            "description": "Named entity: blacktriangleleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangleright", 
+            "description": "Bad named entity: blacktriangleright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blacktriangleright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blacktriangleright;", 
+            "description": "Named entity: blacktriangleright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blank", 
+            "description": "Bad named entity: blank without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blank"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blank;", 
+            "description": "Named entity: blank; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2423"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blk12", 
+            "description": "Bad named entity: blk12 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blk12"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blk12;", 
+            "description": "Named entity: blk12; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2592"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blk14", 
+            "description": "Bad named entity: blk14 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blk14"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blk14;", 
+            "description": "Named entity: blk14; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2591"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blk34", 
+            "description": "Bad named entity: blk34 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&blk34"
+                ]
+            ]
+        }, 
+        {
+            "input": "&blk34;", 
+            "description": "Named entity: blk34; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2593"
+                ]
+            ]
+        }, 
+        {
+            "input": "&block", 
+            "description": "Bad named entity: block without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&block"
+                ]
+            ]
+        }, 
+        {
+            "input": "&block;", 
+            "description": "Named entity: block; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2588"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bne", 
+            "description": "Bad named entity: bne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bne;", 
+            "description": "Named entity: bne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "=\u20e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bnequiv", 
+            "description": "Bad named entity: bnequiv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bnequiv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bnequiv;", 
+            "description": "Named entity: bnequiv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2261\u20e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bnot", 
+            "description": "Bad named entity: bnot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bnot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bnot;", 
+            "description": "Named entity: bnot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2310"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bopf", 
+            "description": "Bad named entity: bopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bopf;", 
+            "description": "Named entity: bopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd53"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bot", 
+            "description": "Bad named entity: bot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bot;", 
+            "description": "Named entity: bot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bottom", 
+            "description": "Bad named entity: bottom without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bottom"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bottom;", 
+            "description": "Named entity: bottom; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bowtie", 
+            "description": "Bad named entity: bowtie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bowtie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bowtie;", 
+            "description": "Named entity: bowtie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDL", 
+            "description": "Bad named entity: boxDL without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxDL"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDL;", 
+            "description": "Named entity: boxDL; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2557"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDR", 
+            "description": "Bad named entity: boxDR without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxDR"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDR;", 
+            "description": "Named entity: boxDR; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2554"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDl", 
+            "description": "Bad named entity: boxDl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxDl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDl;", 
+            "description": "Named entity: boxDl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2556"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDr", 
+            "description": "Bad named entity: boxDr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxDr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxDr;", 
+            "description": "Named entity: boxDr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2553"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxH", 
+            "description": "Bad named entity: boxH without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxH"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxH;", 
+            "description": "Named entity: boxH; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2550"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHD", 
+            "description": "Bad named entity: boxHD without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxHD"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHD;", 
+            "description": "Named entity: boxHD; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2566"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHU", 
+            "description": "Bad named entity: boxHU without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxHU"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHU;", 
+            "description": "Named entity: boxHU; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2569"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHd", 
+            "description": "Bad named entity: boxHd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxHd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHd;", 
+            "description": "Named entity: boxHd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2564"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHu", 
+            "description": "Bad named entity: boxHu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxHu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxHu;", 
+            "description": "Named entity: boxHu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2567"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUL", 
+            "description": "Bad named entity: boxUL without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxUL"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUL;", 
+            "description": "Named entity: boxUL; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u255d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUR", 
+            "description": "Bad named entity: boxUR without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxUR"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUR;", 
+            "description": "Named entity: boxUR; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u255a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUl", 
+            "description": "Bad named entity: boxUl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxUl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUl;", 
+            "description": "Named entity: boxUl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u255c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUr", 
+            "description": "Bad named entity: boxUr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxUr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxUr;", 
+            "description": "Named entity: boxUr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2559"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxV", 
+            "description": "Bad named entity: boxV without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxV"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxV;", 
+            "description": "Named entity: boxV; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2551"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVH", 
+            "description": "Bad named entity: boxVH without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxVH"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVH;", 
+            "description": "Named entity: boxVH; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u256c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVL", 
+            "description": "Bad named entity: boxVL without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxVL"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVL;", 
+            "description": "Named entity: boxVL; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2563"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVR", 
+            "description": "Bad named entity: boxVR without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxVR"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVR;", 
+            "description": "Named entity: boxVR; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2560"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVh", 
+            "description": "Bad named entity: boxVh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxVh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVh;", 
+            "description": "Named entity: boxVh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u256b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVl", 
+            "description": "Bad named entity: boxVl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxVl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVl;", 
+            "description": "Named entity: boxVl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2562"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVr", 
+            "description": "Bad named entity: boxVr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxVr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxVr;", 
+            "description": "Named entity: boxVr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u255f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxbox", 
+            "description": "Bad named entity: boxbox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxbox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxbox;", 
+            "description": "Named entity: boxbox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdL", 
+            "description": "Bad named entity: boxdL without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxdL"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdL;", 
+            "description": "Named entity: boxdL; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2555"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdR", 
+            "description": "Bad named entity: boxdR without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxdR"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdR;", 
+            "description": "Named entity: boxdR; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2552"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdl", 
+            "description": "Bad named entity: boxdl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxdl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdl;", 
+            "description": "Named entity: boxdl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2510"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdr", 
+            "description": "Bad named entity: boxdr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxdr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxdr;", 
+            "description": "Named entity: boxdr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u250c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxh", 
+            "description": "Bad named entity: boxh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxh;", 
+            "description": "Named entity: boxh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2500"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhD", 
+            "description": "Bad named entity: boxhD without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxhD"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhD;", 
+            "description": "Named entity: boxhD; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2565"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhU", 
+            "description": "Bad named entity: boxhU without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxhU"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhU;", 
+            "description": "Named entity: boxhU; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2568"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhd", 
+            "description": "Bad named entity: boxhd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxhd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhd;", 
+            "description": "Named entity: boxhd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u252c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhu", 
+            "description": "Bad named entity: boxhu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxhu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxhu;", 
+            "description": "Named entity: boxhu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2534"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxminus", 
+            "description": "Bad named entity: boxminus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxminus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxminus;", 
+            "description": "Named entity: boxminus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxplus", 
+            "description": "Bad named entity: boxplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxplus;", 
+            "description": "Named entity: boxplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxtimes", 
+            "description": "Bad named entity: boxtimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxtimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxtimes;", 
+            "description": "Named entity: boxtimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxuL", 
+            "description": "Bad named entity: boxuL without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxuL"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxuL;", 
+            "description": "Named entity: boxuL; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u255b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxuR", 
+            "description": "Bad named entity: boxuR without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxuR"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxuR;", 
+            "description": "Named entity: boxuR; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2558"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxul", 
+            "description": "Bad named entity: boxul without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxul"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxul;", 
+            "description": "Named entity: boxul; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2518"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxur", 
+            "description": "Bad named entity: boxur without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxur"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxur;", 
+            "description": "Named entity: boxur; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2514"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxv", 
+            "description": "Bad named entity: boxv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxv;", 
+            "description": "Named entity: boxv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2502"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvH", 
+            "description": "Bad named entity: boxvH without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxvH"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvH;", 
+            "description": "Named entity: boxvH; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u256a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvL", 
+            "description": "Bad named entity: boxvL without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxvL"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvL;", 
+            "description": "Named entity: boxvL; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2561"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvR", 
+            "description": "Bad named entity: boxvR without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxvR"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvR;", 
+            "description": "Named entity: boxvR; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u255e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvh", 
+            "description": "Bad named entity: boxvh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxvh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvh;", 
+            "description": "Named entity: boxvh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u253c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvl", 
+            "description": "Bad named entity: boxvl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxvl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvl;", 
+            "description": "Named entity: boxvl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2524"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvr", 
+            "description": "Bad named entity: boxvr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&boxvr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&boxvr;", 
+            "description": "Named entity: boxvr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u251c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bprime", 
+            "description": "Bad named entity: bprime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bprime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bprime;", 
+            "description": "Named entity: bprime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2035"
+                ]
+            ]
+        }, 
+        {
+            "input": "&breve", 
+            "description": "Bad named entity: breve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&breve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&breve;", 
+            "description": "Named entity: breve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02d8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&brvbar", 
+            "description": "Named entity: brvbar without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&brvbar;", 
+            "description": "Named entity: brvbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bscr", 
+            "description": "Bad named entity: bscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bscr;", 
+            "description": "Named entity: bscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsemi", 
+            "description": "Bad named entity: bsemi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bsemi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsemi;", 
+            "description": "Named entity: bsemi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u204f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsim", 
+            "description": "Bad named entity: bsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsim;", 
+            "description": "Named entity: bsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsime", 
+            "description": "Bad named entity: bsime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bsime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsime;", 
+            "description": "Named entity: bsime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsol", 
+            "description": "Bad named entity: bsol without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bsol"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsol;", 
+            "description": "Named entity: bsol; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\\"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsolb", 
+            "description": "Bad named entity: bsolb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bsolb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsolb;", 
+            "description": "Named entity: bsolb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsolhsub", 
+            "description": "Bad named entity: bsolhsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bsolhsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bsolhsub;", 
+            "description": "Named entity: bsolhsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bull", 
+            "description": "Bad named entity: bull without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bull"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bull;", 
+            "description": "Named entity: bull; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2022"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bullet", 
+            "description": "Bad named entity: bullet without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bullet"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bullet;", 
+            "description": "Named entity: bullet; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2022"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bump", 
+            "description": "Bad named entity: bump without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bump"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bump;", 
+            "description": "Named entity: bump; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bumpE", 
+            "description": "Bad named entity: bumpE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bumpE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bumpE;", 
+            "description": "Named entity: bumpE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bumpe", 
+            "description": "Bad named entity: bumpe without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bumpe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bumpe;", 
+            "description": "Named entity: bumpe; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bumpeq", 
+            "description": "Bad named entity: bumpeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&bumpeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&bumpeq;", 
+            "description": "Named entity: bumpeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cacute", 
+            "description": "Bad named entity: cacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cacute;", 
+            "description": "Named entity: cacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0107"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cap", 
+            "description": "Bad named entity: cap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cap;", 
+            "description": "Named entity: cap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2229"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capand", 
+            "description": "Bad named entity: capand without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&capand"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capand;", 
+            "description": "Named entity: capand; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a44"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capbrcup", 
+            "description": "Bad named entity: capbrcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&capbrcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capbrcup;", 
+            "description": "Named entity: capbrcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a49"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capcap", 
+            "description": "Bad named entity: capcap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&capcap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capcap;", 
+            "description": "Named entity: capcap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a4b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capcup", 
+            "description": "Bad named entity: capcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&capcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capcup;", 
+            "description": "Named entity: capcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a47"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capdot", 
+            "description": "Bad named entity: capdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&capdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&capdot;", 
+            "description": "Named entity: capdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a40"
+                ]
+            ]
+        }, 
+        {
+            "input": "&caps", 
+            "description": "Bad named entity: caps without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&caps"
+                ]
+            ]
+        }, 
+        {
+            "input": "&caps;", 
+            "description": "Named entity: caps; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2229\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&caret", 
+            "description": "Bad named entity: caret without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&caret"
+                ]
+            ]
+        }, 
+        {
+            "input": "&caret;", 
+            "description": "Named entity: caret; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2041"
+                ]
+            ]
+        }, 
+        {
+            "input": "&caron", 
+            "description": "Bad named entity: caron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&caron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&caron;", 
+            "description": "Named entity: caron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccaps", 
+            "description": "Bad named entity: ccaps without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ccaps"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccaps;", 
+            "description": "Named entity: ccaps; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a4d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccaron", 
+            "description": "Bad named entity: ccaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ccaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccaron;", 
+            "description": "Named entity: ccaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u010d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccedil", 
+            "description": "Named entity: ccedil without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccedil;", 
+            "description": "Named entity: ccedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccirc", 
+            "description": "Bad named entity: ccirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ccirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccirc;", 
+            "description": "Named entity: ccirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0109"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccups", 
+            "description": "Bad named entity: ccups without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ccups"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccups;", 
+            "description": "Named entity: ccups; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a4c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccupssm", 
+            "description": "Bad named entity: ccupssm without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ccupssm"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ccupssm;", 
+            "description": "Named entity: ccupssm; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a50"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cdot", 
+            "description": "Bad named entity: cdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cdot;", 
+            "description": "Named entity: cdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u010b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cedil", 
+            "description": "Named entity: cedil without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cedil;", 
+            "description": "Named entity: cedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cemptyv", 
+            "description": "Bad named entity: cemptyv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cemptyv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cemptyv;", 
+            "description": "Named entity: cemptyv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cent", 
+            "description": "Named entity: cent without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cent;", 
+            "description": "Named entity: cent; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&centerdot;", 
+            "description": "Named entity: centerdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cfr", 
+            "description": "Bad named entity: cfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cfr;", 
+            "description": "Named entity: cfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd20"
+                ]
+            ]
+        }, 
+        {
+            "input": "&chcy", 
+            "description": "Bad named entity: chcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&chcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&chcy;", 
+            "description": "Named entity: chcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0447"
+                ]
+            ]
+        }, 
+        {
+            "input": "&check", 
+            "description": "Bad named entity: check without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&check"
+                ]
+            ]
+        }, 
+        {
+            "input": "&check;", 
+            "description": "Named entity: check; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2713"
+                ]
+            ]
+        }, 
+        {
+            "input": "&checkmark", 
+            "description": "Bad named entity: checkmark without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&checkmark"
+                ]
+            ]
+        }, 
+        {
+            "input": "&checkmark;", 
+            "description": "Named entity: checkmark; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2713"
+                ]
+            ]
+        }, 
+        {
+            "input": "&chi", 
+            "description": "Bad named entity: chi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&chi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&chi;", 
+            "description": "Named entity: chi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cir", 
+            "description": "Bad named entity: cir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cir;", 
+            "description": "Named entity: cir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirE", 
+            "description": "Bad named entity: cirE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cirE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirE;", 
+            "description": "Named entity: cirE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circ", 
+            "description": "Bad named entity: circ without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circ"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circ;", 
+            "description": "Named entity: circ; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circeq", 
+            "description": "Bad named entity: circeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circeq;", 
+            "description": "Named entity: circeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2257"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circlearrowleft", 
+            "description": "Bad named entity: circlearrowleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circlearrowleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circlearrowleft;", 
+            "description": "Named entity: circlearrowleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circlearrowright", 
+            "description": "Bad named entity: circlearrowright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circlearrowright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circlearrowright;", 
+            "description": "Named entity: circlearrowright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledR", 
+            "description": "Bad named entity: circledR without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circledR"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledR;", 
+            "description": "Named entity: circledR; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledS", 
+            "description": "Bad named entity: circledS without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circledS"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledS;", 
+            "description": "Named entity: circledS; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u24c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledast", 
+            "description": "Bad named entity: circledast without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circledast"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledast;", 
+            "description": "Named entity: circledast; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledcirc", 
+            "description": "Bad named entity: circledcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circledcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circledcirc;", 
+            "description": "Named entity: circledcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circleddash", 
+            "description": "Bad named entity: circleddash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&circleddash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&circleddash;", 
+            "description": "Named entity: circleddash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cire", 
+            "description": "Bad named entity: cire without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cire"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cire;", 
+            "description": "Named entity: cire; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2257"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirfnint", 
+            "description": "Bad named entity: cirfnint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cirfnint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirfnint;", 
+            "description": "Named entity: cirfnint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a10"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirmid", 
+            "description": "Bad named entity: cirmid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cirmid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirmid;", 
+            "description": "Named entity: cirmid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aef"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirscir", 
+            "description": "Bad named entity: cirscir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cirscir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cirscir;", 
+            "description": "Named entity: cirscir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&clubs", 
+            "description": "Bad named entity: clubs without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&clubs"
+                ]
+            ]
+        }, 
+        {
+            "input": "&clubs;", 
+            "description": "Named entity: clubs; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2663"
+                ]
+            ]
+        }, 
+        {
+            "input": "&clubsuit", 
+            "description": "Bad named entity: clubsuit without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&clubsuit"
+                ]
+            ]
+        }, 
+        {
+            "input": "&clubsuit;", 
+            "description": "Named entity: clubsuit; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2663"
+                ]
+            ]
+        }, 
+        {
+            "input": "&colon", 
+            "description": "Bad named entity: colon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&colon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&colon;", 
+            "description": "Named entity: colon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    ":"
+                ]
+            ]
+        }, 
+        {
+            "input": "&colone", 
+            "description": "Bad named entity: colone without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&colone"
+                ]
+            ]
+        }, 
+        {
+            "input": "&colone;", 
+            "description": "Named entity: colone; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2254"
+                ]
+            ]
+        }, 
+        {
+            "input": "&coloneq", 
+            "description": "Bad named entity: coloneq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&coloneq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&coloneq;", 
+            "description": "Named entity: coloneq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2254"
+                ]
+            ]
+        }, 
+        {
+            "input": "&comma", 
+            "description": "Bad named entity: comma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&comma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&comma;", 
+            "description": "Named entity: comma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    ","
+                ]
+            ]
+        }, 
+        {
+            "input": "&commat", 
+            "description": "Bad named entity: commat without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&commat"
+                ]
+            ]
+        }, 
+        {
+            "input": "&commat;", 
+            "description": "Named entity: commat; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "@"
+                ]
+            ]
+        }, 
+        {
+            "input": "&comp", 
+            "description": "Bad named entity: comp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&comp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&comp;", 
+            "description": "Named entity: comp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2201"
+                ]
+            ]
+        }, 
+        {
+            "input": "&compfn", 
+            "description": "Bad named entity: compfn without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&compfn"
+                ]
+            ]
+        }, 
+        {
+            "input": "&compfn;", 
+            "description": "Named entity: compfn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2218"
+                ]
+            ]
+        }, 
+        {
+            "input": "&complement", 
+            "description": "Bad named entity: complement without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&complement"
+                ]
+            ]
+        }, 
+        {
+            "input": "&complement;", 
+            "description": "Named entity: complement; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2201"
+                ]
+            ]
+        }, 
+        {
+            "input": "&complexes", 
+            "description": "Bad named entity: complexes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&complexes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&complexes;", 
+            "description": "Named entity: complexes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2102"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cong", 
+            "description": "Bad named entity: cong without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cong"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cong;", 
+            "description": "Named entity: cong; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2245"
+                ]
+            ]
+        }, 
+        {
+            "input": "&congdot", 
+            "description": "Bad named entity: congdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&congdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&congdot;", 
+            "description": "Named entity: congdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a6d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&conint", 
+            "description": "Bad named entity: conint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&conint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&conint;", 
+            "description": "Named entity: conint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&copf", 
+            "description": "Bad named entity: copf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&copf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&copf;", 
+            "description": "Named entity: copf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd54"
+                ]
+            ]
+        }, 
+        {
+            "input": "&coprod", 
+            "description": "Bad named entity: coprod without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&coprod"
+                ]
+            ]
+        }, 
+        {
+            "input": "&coprod;", 
+            "description": "Named entity: coprod; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2210"
+                ]
+            ]
+        }, 
+        {
+            "input": "&copy", 
+            "description": "Named entity: copy without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&copy;", 
+            "description": "Named entity: copy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&copysr;", 
+            "description": "Named entity: copysr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2117"
+                ]
+            ]
+        }, 
+        {
+            "input": "&crarr", 
+            "description": "Bad named entity: crarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&crarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&crarr;", 
+            "description": "Named entity: crarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cross", 
+            "description": "Bad named entity: cross without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cross"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cross;", 
+            "description": "Named entity: cross; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2717"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cscr", 
+            "description": "Bad named entity: cscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cscr;", 
+            "description": "Named entity: cscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csub", 
+            "description": "Bad named entity: csub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&csub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csub;", 
+            "description": "Named entity: csub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csube", 
+            "description": "Bad named entity: csube without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&csube"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csube;", 
+            "description": "Named entity: csube; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csup", 
+            "description": "Bad named entity: csup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&csup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csup;", 
+            "description": "Named entity: csup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csupe", 
+            "description": "Bad named entity: csupe without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&csupe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&csupe;", 
+            "description": "Named entity: csupe; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ctdot", 
+            "description": "Bad named entity: ctdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ctdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ctdot;", 
+            "description": "Named entity: ctdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ef"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cudarrl", 
+            "description": "Bad named entity: cudarrl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cudarrl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cudarrl;", 
+            "description": "Named entity: cudarrl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2938"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cudarrr", 
+            "description": "Bad named entity: cudarrr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cudarrr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cudarrr;", 
+            "description": "Named entity: cudarrr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2935"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuepr", 
+            "description": "Bad named entity: cuepr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cuepr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuepr;", 
+            "description": "Named entity: cuepr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22de"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuesc", 
+            "description": "Bad named entity: cuesc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cuesc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuesc;", 
+            "description": "Named entity: cuesc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22df"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cularr", 
+            "description": "Bad named entity: cularr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cularr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cularr;", 
+            "description": "Named entity: cularr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cularrp", 
+            "description": "Bad named entity: cularrp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cularrp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cularrp;", 
+            "description": "Named entity: cularrp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u293d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cup", 
+            "description": "Bad named entity: cup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cup;", 
+            "description": "Named entity: cup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupbrcap", 
+            "description": "Bad named entity: cupbrcap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cupbrcap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupbrcap;", 
+            "description": "Named entity: cupbrcap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a48"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupcap", 
+            "description": "Bad named entity: cupcap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cupcap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupcap;", 
+            "description": "Named entity: cupcap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a46"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupcup", 
+            "description": "Bad named entity: cupcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cupcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupcup;", 
+            "description": "Named entity: cupcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a4a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupdot", 
+            "description": "Bad named entity: cupdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cupdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupdot;", 
+            "description": "Named entity: cupdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupor", 
+            "description": "Bad named entity: cupor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cupor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cupor;", 
+            "description": "Named entity: cupor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a45"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cups", 
+            "description": "Bad named entity: cups without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cups"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cups;", 
+            "description": "Named entity: cups; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222a\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curarr", 
+            "description": "Bad named entity: curarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curarr;", 
+            "description": "Named entity: curarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curarrm", 
+            "description": "Bad named entity: curarrm without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curarrm"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curarrm;", 
+            "description": "Named entity: curarrm; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u293c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlyeqprec", 
+            "description": "Bad named entity: curlyeqprec without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curlyeqprec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlyeqprec;", 
+            "description": "Named entity: curlyeqprec; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22de"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlyeqsucc", 
+            "description": "Bad named entity: curlyeqsucc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curlyeqsucc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlyeqsucc;", 
+            "description": "Named entity: curlyeqsucc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22df"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlyvee", 
+            "description": "Bad named entity: curlyvee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curlyvee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlyvee;", 
+            "description": "Named entity: curlyvee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlywedge", 
+            "description": "Bad named entity: curlywedge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curlywedge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curlywedge;", 
+            "description": "Named entity: curlywedge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curren", 
+            "description": "Named entity: curren without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curren;", 
+            "description": "Named entity: curren; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curvearrowleft", 
+            "description": "Bad named entity: curvearrowleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curvearrowleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curvearrowleft;", 
+            "description": "Named entity: curvearrowleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curvearrowright", 
+            "description": "Bad named entity: curvearrowright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&curvearrowright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&curvearrowright;", 
+            "description": "Named entity: curvearrowright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuvee", 
+            "description": "Bad named entity: cuvee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cuvee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuvee;", 
+            "description": "Named entity: cuvee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuwed", 
+            "description": "Bad named entity: cuwed without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cuwed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cuwed;", 
+            "description": "Named entity: cuwed; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cwconint", 
+            "description": "Bad named entity: cwconint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cwconint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cwconint;", 
+            "description": "Named entity: cwconint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2232"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cwint", 
+            "description": "Bad named entity: cwint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cwint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cwint;", 
+            "description": "Named entity: cwint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2231"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cylcty", 
+            "description": "Bad named entity: cylcty without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&cylcty"
+                ]
+            ]
+        }, 
+        {
+            "input": "&cylcty;", 
+            "description": "Named entity: cylcty; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u232d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dArr", 
+            "description": "Bad named entity: dArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dArr;", 
+            "description": "Named entity: dArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dHar", 
+            "description": "Bad named entity: dHar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dHar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dHar;", 
+            "description": "Named entity: dHar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2965"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dagger", 
+            "description": "Bad named entity: dagger without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dagger"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dagger;", 
+            "description": "Named entity: dagger; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2020"
+                ]
+            ]
+        }, 
+        {
+            "input": "&daleth", 
+            "description": "Bad named entity: daleth without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&daleth"
+                ]
+            ]
+        }, 
+        {
+            "input": "&daleth;", 
+            "description": "Named entity: daleth; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2138"
+                ]
+            ]
+        }, 
+        {
+            "input": "&darr", 
+            "description": "Bad named entity: darr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&darr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&darr;", 
+            "description": "Named entity: darr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2193"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dash", 
+            "description": "Bad named entity: dash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dash;", 
+            "description": "Named entity: dash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2010"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dashv", 
+            "description": "Bad named entity: dashv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dashv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dashv;", 
+            "description": "Named entity: dashv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dbkarow", 
+            "description": "Bad named entity: dbkarow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dbkarow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dbkarow;", 
+            "description": "Named entity: dbkarow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u290f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dblac", 
+            "description": "Bad named entity: dblac without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dblac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dblac;", 
+            "description": "Named entity: dblac; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dcaron", 
+            "description": "Bad named entity: dcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dcaron;", 
+            "description": "Named entity: dcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u010f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dcy", 
+            "description": "Bad named entity: dcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dcy;", 
+            "description": "Named entity: dcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0434"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dd", 
+            "description": "Bad named entity: dd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dd;", 
+            "description": "Named entity: dd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2146"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ddagger", 
+            "description": "Bad named entity: ddagger without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ddagger"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ddagger;", 
+            "description": "Named entity: ddagger; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2021"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ddarr", 
+            "description": "Bad named entity: ddarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ddarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ddarr;", 
+            "description": "Named entity: ddarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ddotseq", 
+            "description": "Bad named entity: ddotseq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ddotseq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ddotseq;", 
+            "description": "Named entity: ddotseq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a77"
+                ]
+            ]
+        }, 
+        {
+            "input": "&deg", 
+            "description": "Named entity: deg without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&deg;", 
+            "description": "Named entity: deg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&delta", 
+            "description": "Bad named entity: delta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&delta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&delta;", 
+            "description": "Named entity: delta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&demptyv", 
+            "description": "Bad named entity: demptyv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&demptyv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&demptyv;", 
+            "description": "Named entity: demptyv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dfisht", 
+            "description": "Bad named entity: dfisht without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dfisht"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dfisht;", 
+            "description": "Named entity: dfisht; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u297f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dfr", 
+            "description": "Bad named entity: dfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dfr;", 
+            "description": "Named entity: dfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd21"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dharl", 
+            "description": "Bad named entity: dharl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dharl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dharl;", 
+            "description": "Named entity: dharl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dharr", 
+            "description": "Bad named entity: dharr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dharr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dharr;", 
+            "description": "Named entity: dharr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diam", 
+            "description": "Bad named entity: diam without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&diam"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diam;", 
+            "description": "Named entity: diam; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diamond", 
+            "description": "Bad named entity: diamond without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&diamond"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diamond;", 
+            "description": "Named entity: diamond; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diamondsuit", 
+            "description": "Bad named entity: diamondsuit without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&diamondsuit"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diamondsuit;", 
+            "description": "Named entity: diamondsuit; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2666"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diams", 
+            "description": "Bad named entity: diams without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&diams"
+                ]
+            ]
+        }, 
+        {
+            "input": "&diams;", 
+            "description": "Named entity: diams; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2666"
+                ]
+            ]
+        }, 
+        {
+            "input": "&die", 
+            "description": "Bad named entity: die without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&die"
+                ]
+            ]
+        }, 
+        {
+            "input": "&die;", 
+            "description": "Named entity: die; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&digamma", 
+            "description": "Bad named entity: digamma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&digamma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&digamma;", 
+            "description": "Named entity: digamma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&disin", 
+            "description": "Bad named entity: disin without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&disin"
+                ]
+            ]
+        }, 
+        {
+            "input": "&disin;", 
+            "description": "Named entity: disin; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&div", 
+            "description": "Bad named entity: div without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&div"
+                ]
+            ]
+        }, 
+        {
+            "input": "&div;", 
+            "description": "Named entity: div; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&divide", 
+            "description": "Named entity: divide without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&divide;", 
+            "description": "Named entity: divide; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&divideontimes;", 
+            "description": "Named entity: divideontimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&divonx", 
+            "description": "Bad named entity: divonx without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&divonx"
+                ]
+            ]
+        }, 
+        {
+            "input": "&divonx;", 
+            "description": "Named entity: divonx; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&djcy", 
+            "description": "Bad named entity: djcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&djcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&djcy;", 
+            "description": "Named entity: djcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0452"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dlcorn", 
+            "description": "Bad named entity: dlcorn without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dlcorn"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dlcorn;", 
+            "description": "Named entity: dlcorn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dlcrop", 
+            "description": "Bad named entity: dlcrop without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dlcrop"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dlcrop;", 
+            "description": "Named entity: dlcrop; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dollar", 
+            "description": "Bad named entity: dollar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dollar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dollar;", 
+            "description": "Named entity: dollar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "$"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dopf", 
+            "description": "Bad named entity: dopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dopf;", 
+            "description": "Named entity: dopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd55"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dot", 
+            "description": "Bad named entity: dot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dot;", 
+            "description": "Named entity: dot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02d9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&doteq", 
+            "description": "Bad named entity: doteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&doteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&doteq;", 
+            "description": "Named entity: doteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2250"
+                ]
+            ]
+        }, 
+        {
+            "input": "&doteqdot", 
+            "description": "Bad named entity: doteqdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&doteqdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&doteqdot;", 
+            "description": "Named entity: doteqdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2251"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dotminus", 
+            "description": "Bad named entity: dotminus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dotminus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dotminus;", 
+            "description": "Named entity: dotminus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2238"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dotplus", 
+            "description": "Bad named entity: dotplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dotplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dotplus;", 
+            "description": "Named entity: dotplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2214"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dotsquare", 
+            "description": "Bad named entity: dotsquare without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dotsquare"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dotsquare;", 
+            "description": "Named entity: dotsquare; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&doublebarwedge", 
+            "description": "Bad named entity: doublebarwedge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&doublebarwedge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&doublebarwedge;", 
+            "description": "Named entity: doublebarwedge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2306"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downarrow", 
+            "description": "Bad named entity: downarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&downarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downarrow;", 
+            "description": "Named entity: downarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2193"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downdownarrows", 
+            "description": "Bad named entity: downdownarrows without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&downdownarrows"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downdownarrows;", 
+            "description": "Named entity: downdownarrows; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downharpoonleft", 
+            "description": "Bad named entity: downharpoonleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&downharpoonleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downharpoonleft;", 
+            "description": "Named entity: downharpoonleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downharpoonright", 
+            "description": "Bad named entity: downharpoonright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&downharpoonright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&downharpoonright;", 
+            "description": "Named entity: downharpoonright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&drbkarow", 
+            "description": "Bad named entity: drbkarow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&drbkarow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&drbkarow;", 
+            "description": "Named entity: drbkarow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2910"
+                ]
+            ]
+        }, 
+        {
+            "input": "&drcorn", 
+            "description": "Bad named entity: drcorn without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&drcorn"
+                ]
+            ]
+        }, 
+        {
+            "input": "&drcorn;", 
+            "description": "Named entity: drcorn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&drcrop", 
+            "description": "Bad named entity: drcrop without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&drcrop"
+                ]
+            ]
+        }, 
+        {
+            "input": "&drcrop;", 
+            "description": "Named entity: drcrop; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dscr", 
+            "description": "Bad named entity: dscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dscr;", 
+            "description": "Named entity: dscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcb9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dscy", 
+            "description": "Bad named entity: dscy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dscy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dscy;", 
+            "description": "Named entity: dscy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0455"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dsol", 
+            "description": "Bad named entity: dsol without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dsol"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dsol;", 
+            "description": "Named entity: dsol; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dstrok", 
+            "description": "Bad named entity: dstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dstrok;", 
+            "description": "Named entity: dstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0111"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dtdot", 
+            "description": "Bad named entity: dtdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dtdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dtdot;", 
+            "description": "Named entity: dtdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dtri", 
+            "description": "Bad named entity: dtri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dtri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dtri;", 
+            "description": "Named entity: dtri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dtrif", 
+            "description": "Bad named entity: dtrif without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dtrif"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dtrif;", 
+            "description": "Named entity: dtrif; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&duarr", 
+            "description": "Bad named entity: duarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&duarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&duarr;", 
+            "description": "Named entity: duarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&duhar", 
+            "description": "Bad named entity: duhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&duhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&duhar;", 
+            "description": "Named entity: duhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dwangle", 
+            "description": "Bad named entity: dwangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dwangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dwangle;", 
+            "description": "Named entity: dwangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29a6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dzcy", 
+            "description": "Bad named entity: dzcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dzcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dzcy;", 
+            "description": "Named entity: dzcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u045f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dzigrarr", 
+            "description": "Bad named entity: dzigrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&dzigrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&dzigrarr;", 
+            "description": "Named entity: dzigrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27ff"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eDDot", 
+            "description": "Bad named entity: eDDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eDDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eDDot;", 
+            "description": "Named entity: eDDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a77"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eDot", 
+            "description": "Bad named entity: eDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eDot;", 
+            "description": "Named entity: eDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2251"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eacute", 
+            "description": "Named entity: eacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eacute;", 
+            "description": "Named entity: eacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&easter", 
+            "description": "Bad named entity: easter without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&easter"
+                ]
+            ]
+        }, 
+        {
+            "input": "&easter;", 
+            "description": "Named entity: easter; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a6e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecaron", 
+            "description": "Bad named entity: ecaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ecaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecaron;", 
+            "description": "Named entity: ecaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u011b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecir", 
+            "description": "Bad named entity: ecir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ecir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecir;", 
+            "description": "Named entity: ecir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2256"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecirc", 
+            "description": "Named entity: ecirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ea"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecirc;", 
+            "description": "Named entity: ecirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ea"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecolon", 
+            "description": "Bad named entity: ecolon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ecolon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecolon;", 
+            "description": "Named entity: ecolon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2255"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecy", 
+            "description": "Bad named entity: ecy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ecy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ecy;", 
+            "description": "Named entity: ecy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u044d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&edot", 
+            "description": "Bad named entity: edot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&edot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&edot;", 
+            "description": "Named entity: edot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0117"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ee", 
+            "description": "Bad named entity: ee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ee;", 
+            "description": "Named entity: ee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2147"
+                ]
+            ]
+        }, 
+        {
+            "input": "&efDot", 
+            "description": "Bad named entity: efDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&efDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&efDot;", 
+            "description": "Named entity: efDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2252"
+                ]
+            ]
+        }, 
+        {
+            "input": "&efr", 
+            "description": "Bad named entity: efr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&efr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&efr;", 
+            "description": "Named entity: efr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd22"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eg", 
+            "description": "Bad named entity: eg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eg;", 
+            "description": "Named entity: eg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a9a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&egrave", 
+            "description": "Named entity: egrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00e8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&egrave;", 
+            "description": "Named entity: egrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00e8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&egs", 
+            "description": "Bad named entity: egs without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&egs"
+                ]
+            ]
+        }, 
+        {
+            "input": "&egs;", 
+            "description": "Named entity: egs; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a96"
+                ]
+            ]
+        }, 
+        {
+            "input": "&egsdot", 
+            "description": "Bad named entity: egsdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&egsdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&egsdot;", 
+            "description": "Named entity: egsdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a98"
+                ]
+            ]
+        }, 
+        {
+            "input": "&el", 
+            "description": "Bad named entity: el without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&el"
+                ]
+            ]
+        }, 
+        {
+            "input": "&el;", 
+            "description": "Named entity: el; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a99"
+                ]
+            ]
+        }, 
+        {
+            "input": "&elinters", 
+            "description": "Bad named entity: elinters without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&elinters"
+                ]
+            ]
+        }, 
+        {
+            "input": "&elinters;", 
+            "description": "Named entity: elinters; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23e7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ell", 
+            "description": "Bad named entity: ell without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ell"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ell;", 
+            "description": "Named entity: ell; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2113"
+                ]
+            ]
+        }, 
+        {
+            "input": "&els", 
+            "description": "Bad named entity: els without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&els"
+                ]
+            ]
+        }, 
+        {
+            "input": "&els;", 
+            "description": "Named entity: els; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a95"
+                ]
+            ]
+        }, 
+        {
+            "input": "&elsdot", 
+            "description": "Bad named entity: elsdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&elsdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&elsdot;", 
+            "description": "Named entity: elsdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a97"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emacr", 
+            "description": "Bad named entity: emacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&emacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emacr;", 
+            "description": "Named entity: emacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0113"
+                ]
+            ]
+        }, 
+        {
+            "input": "&empty", 
+            "description": "Bad named entity: empty without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&empty"
+                ]
+            ]
+        }, 
+        {
+            "input": "&empty;", 
+            "description": "Named entity: empty; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2205"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emptyset", 
+            "description": "Bad named entity: emptyset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&emptyset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emptyset;", 
+            "description": "Named entity: emptyset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2205"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emptyv", 
+            "description": "Bad named entity: emptyv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&emptyv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emptyv;", 
+            "description": "Named entity: emptyv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2205"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emsp", 
+            "description": "Bad named entity: emsp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&emsp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emsp13", 
+            "description": "Bad named entity: emsp13 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&emsp13"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emsp13;", 
+            "description": "Named entity: emsp13; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2004"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emsp14", 
+            "description": "Bad named entity: emsp14 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&emsp14"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emsp14;", 
+            "description": "Named entity: emsp14; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2005"
+                ]
+            ]
+        }, 
+        {
+            "input": "&emsp;", 
+            "description": "Named entity: emsp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2003"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eng", 
+            "description": "Bad named entity: eng without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eng"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eng;", 
+            "description": "Named entity: eng; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u014b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ensp", 
+            "description": "Bad named entity: ensp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ensp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ensp;", 
+            "description": "Named entity: ensp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2002"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eogon", 
+            "description": "Bad named entity: eogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eogon;", 
+            "description": "Named entity: eogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0119"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eopf", 
+            "description": "Bad named entity: eopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eopf;", 
+            "description": "Named entity: eopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd56"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epar", 
+            "description": "Bad named entity: epar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&epar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epar;", 
+            "description": "Named entity: epar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eparsl", 
+            "description": "Bad named entity: eparsl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eparsl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eparsl;", 
+            "description": "Named entity: eparsl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29e3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eplus", 
+            "description": "Bad named entity: eplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eplus;", 
+            "description": "Named entity: eplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a71"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epsi", 
+            "description": "Bad named entity: epsi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&epsi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epsi;", 
+            "description": "Named entity: epsi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epsilon", 
+            "description": "Bad named entity: epsilon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&epsilon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epsilon;", 
+            "description": "Named entity: epsilon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epsiv", 
+            "description": "Bad named entity: epsiv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&epsiv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&epsiv;", 
+            "description": "Named entity: epsiv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqcirc", 
+            "description": "Bad named entity: eqcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eqcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqcirc;", 
+            "description": "Named entity: eqcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2256"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqcolon", 
+            "description": "Bad named entity: eqcolon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eqcolon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqcolon;", 
+            "description": "Named entity: eqcolon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2255"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqsim", 
+            "description": "Bad named entity: eqsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eqsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqsim;", 
+            "description": "Named entity: eqsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2242"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqslantgtr", 
+            "description": "Bad named entity: eqslantgtr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eqslantgtr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqslantgtr;", 
+            "description": "Named entity: eqslantgtr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a96"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqslantless", 
+            "description": "Bad named entity: eqslantless without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eqslantless"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqslantless;", 
+            "description": "Named entity: eqslantless; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a95"
+                ]
+            ]
+        }, 
+        {
+            "input": "&equals", 
+            "description": "Bad named entity: equals without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&equals"
+                ]
+            ]
+        }, 
+        {
+            "input": "&equals;", 
+            "description": "Named entity: equals; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "="
+                ]
+            ]
+        }, 
+        {
+            "input": "&equest", 
+            "description": "Bad named entity: equest without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&equest"
+                ]
+            ]
+        }, 
+        {
+            "input": "&equest;", 
+            "description": "Named entity: equest; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u225f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&equiv", 
+            "description": "Bad named entity: equiv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&equiv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&equiv;", 
+            "description": "Named entity: equiv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2261"
+                ]
+            ]
+        }, 
+        {
+            "input": "&equivDD", 
+            "description": "Bad named entity: equivDD without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&equivDD"
+                ]
+            ]
+        }, 
+        {
+            "input": "&equivDD;", 
+            "description": "Named entity: equivDD; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a78"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqvparsl", 
+            "description": "Bad named entity: eqvparsl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eqvparsl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eqvparsl;", 
+            "description": "Named entity: eqvparsl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&erDot", 
+            "description": "Bad named entity: erDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&erDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&erDot;", 
+            "description": "Named entity: erDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2253"
+                ]
+            ]
+        }, 
+        {
+            "input": "&erarr", 
+            "description": "Bad named entity: erarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&erarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&erarr;", 
+            "description": "Named entity: erarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2971"
+                ]
+            ]
+        }, 
+        {
+            "input": "&escr", 
+            "description": "Bad named entity: escr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&escr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&escr;", 
+            "description": "Named entity: escr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u212f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&esdot", 
+            "description": "Bad named entity: esdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&esdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&esdot;", 
+            "description": "Named entity: esdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2250"
+                ]
+            ]
+        }, 
+        {
+            "input": "&esim", 
+            "description": "Bad named entity: esim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&esim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&esim;", 
+            "description": "Named entity: esim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2242"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eta", 
+            "description": "Bad named entity: eta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&eta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eta;", 
+            "description": "Named entity: eta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eth", 
+            "description": "Named entity: eth without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&eth;", 
+            "description": "Named entity: eth; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&euml", 
+            "description": "Named entity: euml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&euml;", 
+            "description": "Named entity: euml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&euro", 
+            "description": "Bad named entity: euro without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&euro"
+                ]
+            ]
+        }, 
+        {
+            "input": "&euro;", 
+            "description": "Named entity: euro; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u20ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&excl", 
+            "description": "Bad named entity: excl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&excl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&excl;", 
+            "description": "Named entity: excl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "!"
+                ]
+            ]
+        }, 
+        {
+            "input": "&exist", 
+            "description": "Bad named entity: exist without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&exist"
+                ]
+            ]
+        }, 
+        {
+            "input": "&exist;", 
+            "description": "Named entity: exist; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2203"
+                ]
+            ]
+        }, 
+        {
+            "input": "&expectation", 
+            "description": "Bad named entity: expectation without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&expectation"
+                ]
+            ]
+        }, 
+        {
+            "input": "&expectation;", 
+            "description": "Named entity: expectation; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2130"
+                ]
+            ]
+        }, 
+        {
+            "input": "&exponentiale", 
+            "description": "Bad named entity: exponentiale without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&exponentiale"
+                ]
+            ]
+        }, 
+        {
+            "input": "&exponentiale;", 
+            "description": "Named entity: exponentiale; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2147"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fallingdotseq", 
+            "description": "Bad named entity: fallingdotseq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fallingdotseq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fallingdotseq;", 
+            "description": "Named entity: fallingdotseq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2252"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fcy", 
+            "description": "Bad named entity: fcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fcy;", 
+            "description": "Named entity: fcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0444"
+                ]
+            ]
+        }, 
+        {
+            "input": "&female", 
+            "description": "Bad named entity: female without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&female"
+                ]
+            ]
+        }, 
+        {
+            "input": "&female;", 
+            "description": "Named entity: female; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2640"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ffilig", 
+            "description": "Bad named entity: ffilig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ffilig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ffilig;", 
+            "description": "Named entity: ffilig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ufb03"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fflig", 
+            "description": "Bad named entity: fflig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fflig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fflig;", 
+            "description": "Named entity: fflig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ufb00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ffllig", 
+            "description": "Bad named entity: ffllig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ffllig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ffllig;", 
+            "description": "Named entity: ffllig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ufb04"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ffr", 
+            "description": "Bad named entity: ffr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ffr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ffr;", 
+            "description": "Named entity: ffr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd23"
+                ]
+            ]
+        }, 
+        {
+            "input": "&filig", 
+            "description": "Bad named entity: filig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&filig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&filig;", 
+            "description": "Named entity: filig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ufb01"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fjlig", 
+            "description": "Bad named entity: fjlig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fjlig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fjlig;", 
+            "description": "Named entity: fjlig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "fj"
+                ]
+            ]
+        }, 
+        {
+            "input": "&flat", 
+            "description": "Bad named entity: flat without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&flat"
+                ]
+            ]
+        }, 
+        {
+            "input": "&flat;", 
+            "description": "Named entity: flat; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u266d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fllig", 
+            "description": "Bad named entity: fllig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fllig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fllig;", 
+            "description": "Named entity: fllig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ufb02"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fltns", 
+            "description": "Bad named entity: fltns without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fltns"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fltns;", 
+            "description": "Named entity: fltns; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fnof", 
+            "description": "Bad named entity: fnof without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fnof"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fnof;", 
+            "description": "Named entity: fnof; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0192"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fopf", 
+            "description": "Bad named entity: fopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fopf;", 
+            "description": "Named entity: fopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd57"
+                ]
+            ]
+        }, 
+        {
+            "input": "&forall", 
+            "description": "Bad named entity: forall without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&forall"
+                ]
+            ]
+        }, 
+        {
+            "input": "&forall;", 
+            "description": "Named entity: forall; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2200"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fork", 
+            "description": "Bad named entity: fork without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fork"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fork;", 
+            "description": "Named entity: fork; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&forkv", 
+            "description": "Bad named entity: forkv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&forkv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&forkv;", 
+            "description": "Named entity: forkv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fpartint", 
+            "description": "Bad named entity: fpartint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fpartint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fpartint;", 
+            "description": "Named entity: fpartint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a0d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac12", 
+            "description": "Named entity: frac12 without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac12;", 
+            "description": "Named entity: frac12; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac13", 
+            "description": "Bad named entity: frac13 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac13"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac13;", 
+            "description": "Named entity: frac13; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2153"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac14", 
+            "description": "Named entity: frac14 without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00bc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac14;", 
+            "description": "Named entity: frac14; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00bc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac15", 
+            "description": "Bad named entity: frac15 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac15"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac15;", 
+            "description": "Named entity: frac15; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2155"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac16", 
+            "description": "Bad named entity: frac16 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac16"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac16;", 
+            "description": "Named entity: frac16; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2159"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac18", 
+            "description": "Bad named entity: frac18 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac18"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac18;", 
+            "description": "Named entity: frac18; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u215b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac23", 
+            "description": "Bad named entity: frac23 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac23"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac23;", 
+            "description": "Named entity: frac23; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2154"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac25", 
+            "description": "Bad named entity: frac25 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac25"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac25;", 
+            "description": "Named entity: frac25; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2156"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac34", 
+            "description": "Named entity: frac34 without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac34;", 
+            "description": "Named entity: frac34; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac35", 
+            "description": "Bad named entity: frac35 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac35"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac35;", 
+            "description": "Named entity: frac35; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2157"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac38", 
+            "description": "Bad named entity: frac38 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac38"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac38;", 
+            "description": "Named entity: frac38; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u215c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac45", 
+            "description": "Bad named entity: frac45 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac45"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac45;", 
+            "description": "Named entity: frac45; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2158"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac56", 
+            "description": "Bad named entity: frac56 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac56"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac56;", 
+            "description": "Named entity: frac56; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u215a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac58", 
+            "description": "Bad named entity: frac58 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac58"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac58;", 
+            "description": "Named entity: frac58; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u215d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac78", 
+            "description": "Bad named entity: frac78 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frac78"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frac78;", 
+            "description": "Named entity: frac78; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u215e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frasl", 
+            "description": "Bad named entity: frasl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frasl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frasl;", 
+            "description": "Named entity: frasl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2044"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frown", 
+            "description": "Bad named entity: frown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&frown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&frown;", 
+            "description": "Named entity: frown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2322"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fscr", 
+            "description": "Bad named entity: fscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&fscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&fscr;", 
+            "description": "Named entity: fscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcbb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gE", 
+            "description": "Bad named entity: gE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gE;", 
+            "description": "Named entity: gE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2267"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gEl", 
+            "description": "Bad named entity: gEl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gEl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gEl;", 
+            "description": "Named entity: gEl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gacute", 
+            "description": "Bad named entity: gacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gacute;", 
+            "description": "Named entity: gacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u01f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gamma", 
+            "description": "Bad named entity: gamma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gamma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gamma;", 
+            "description": "Named entity: gamma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gammad", 
+            "description": "Bad named entity: gammad without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gammad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gammad;", 
+            "description": "Named entity: gammad; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gap", 
+            "description": "Bad named entity: gap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gap;", 
+            "description": "Named entity: gap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a86"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gbreve", 
+            "description": "Bad named entity: gbreve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gbreve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gbreve;", 
+            "description": "Named entity: gbreve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u011f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gcirc", 
+            "description": "Bad named entity: gcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gcirc;", 
+            "description": "Named entity: gcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u011d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gcy", 
+            "description": "Bad named entity: gcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gcy;", 
+            "description": "Named entity: gcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0433"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gdot", 
+            "description": "Bad named entity: gdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gdot;", 
+            "description": "Named entity: gdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0121"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ge", 
+            "description": "Bad named entity: ge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ge;", 
+            "description": "Named entity: ge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2265"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gel", 
+            "description": "Bad named entity: gel without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gel"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gel;", 
+            "description": "Named entity: gel; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&geq", 
+            "description": "Bad named entity: geq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&geq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&geq;", 
+            "description": "Named entity: geq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2265"
+                ]
+            ]
+        }, 
+        {
+            "input": "&geqq", 
+            "description": "Bad named entity: geqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&geqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&geqq;", 
+            "description": "Named entity: geqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2267"
+                ]
+            ]
+        }, 
+        {
+            "input": "&geqslant", 
+            "description": "Bad named entity: geqslant without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&geqslant"
+                ]
+            ]
+        }, 
+        {
+            "input": "&geqslant;", 
+            "description": "Named entity: geqslant; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ges", 
+            "description": "Bad named entity: ges without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ges"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ges;", 
+            "description": "Named entity: ges; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gescc", 
+            "description": "Bad named entity: gescc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gescc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gescc;", 
+            "description": "Named entity: gescc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesdot", 
+            "description": "Bad named entity: gesdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gesdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesdot;", 
+            "description": "Named entity: gesdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a80"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesdoto", 
+            "description": "Bad named entity: gesdoto without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gesdoto"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesdoto;", 
+            "description": "Named entity: gesdoto; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a82"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesdotol", 
+            "description": "Bad named entity: gesdotol without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gesdotol"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesdotol;", 
+            "description": "Named entity: gesdotol; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a84"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesl", 
+            "description": "Bad named entity: gesl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gesl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesl;", 
+            "description": "Named entity: gesl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22db\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesles", 
+            "description": "Bad named entity: gesles without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gesles"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gesles;", 
+            "description": "Named entity: gesles; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a94"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gfr", 
+            "description": "Bad named entity: gfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gfr;", 
+            "description": "Named entity: gfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd24"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gg", 
+            "description": "Bad named entity: gg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gg;", 
+            "description": "Named entity: gg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ggg", 
+            "description": "Bad named entity: ggg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ggg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ggg;", 
+            "description": "Named entity: ggg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gimel", 
+            "description": "Bad named entity: gimel without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gimel"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gimel;", 
+            "description": "Named entity: gimel; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2137"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gjcy", 
+            "description": "Bad named entity: gjcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gjcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gjcy;", 
+            "description": "Named entity: gjcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0453"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gl", 
+            "description": "Bad named entity: gl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gl;", 
+            "description": "Named entity: gl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2277"
+                ]
+            ]
+        }, 
+        {
+            "input": "&glE", 
+            "description": "Bad named entity: glE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&glE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&glE;", 
+            "description": "Named entity: glE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a92"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gla", 
+            "description": "Bad named entity: gla without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gla"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gla;", 
+            "description": "Named entity: gla; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&glj", 
+            "description": "Bad named entity: glj without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&glj"
+                ]
+            ]
+        }, 
+        {
+            "input": "&glj;", 
+            "description": "Named entity: glj; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnE", 
+            "description": "Bad named entity: gnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnE;", 
+            "description": "Named entity: gnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2269"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnap", 
+            "description": "Bad named entity: gnap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gnap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnap;", 
+            "description": "Named entity: gnap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnapprox", 
+            "description": "Bad named entity: gnapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gnapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnapprox;", 
+            "description": "Named entity: gnapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gne", 
+            "description": "Bad named entity: gne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gne;", 
+            "description": "Named entity: gne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a88"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gneq", 
+            "description": "Bad named entity: gneq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gneq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gneq;", 
+            "description": "Named entity: gneq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a88"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gneqq", 
+            "description": "Bad named entity: gneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gneqq;", 
+            "description": "Named entity: gneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2269"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnsim", 
+            "description": "Bad named entity: gnsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gnsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gnsim;", 
+            "description": "Named entity: gnsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gopf", 
+            "description": "Bad named entity: gopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gopf;", 
+            "description": "Named entity: gopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd58"
+                ]
+            ]
+        }, 
+        {
+            "input": "&grave", 
+            "description": "Bad named entity: grave without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&grave"
+                ]
+            ]
+        }, 
+        {
+            "input": "&grave;", 
+            "description": "Named entity: grave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "`"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gscr", 
+            "description": "Bad named entity: gscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gscr;", 
+            "description": "Named entity: gscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gsim", 
+            "description": "Bad named entity: gsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gsim;", 
+            "description": "Named entity: gsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2273"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gsime", 
+            "description": "Bad named entity: gsime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gsime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gsime;", 
+            "description": "Named entity: gsime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gsiml", 
+            "description": "Bad named entity: gsiml without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gsiml"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gsiml;", 
+            "description": "Named entity: gsiml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a90"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gt", 
+            "description": "Named entity: gt without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    ">"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gt;", 
+            "description": "Named entity: gt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    ">"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtcc;", 
+            "description": "Named entity: gtcc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtcir;", 
+            "description": "Named entity: gtcir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtdot;", 
+            "description": "Named entity: gtdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtlPar;", 
+            "description": "Named entity: gtlPar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2995"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtquest;", 
+            "description": "Named entity: gtquest; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtrapprox;", 
+            "description": "Named entity: gtrapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a86"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtrarr;", 
+            "description": "Named entity: gtrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2978"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtrdot;", 
+            "description": "Named entity: gtrdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtreqless;", 
+            "description": "Named entity: gtreqless; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtreqqless;", 
+            "description": "Named entity: gtreqqless; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtrless;", 
+            "description": "Named entity: gtrless; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2277"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gtrsim;", 
+            "description": "Named entity: gtrsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2273"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gvertneqq", 
+            "description": "Bad named entity: gvertneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gvertneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gvertneqq;", 
+            "description": "Named entity: gvertneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2269\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gvnE", 
+            "description": "Bad named entity: gvnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&gvnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&gvnE;", 
+            "description": "Named entity: gvnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2269\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hArr", 
+            "description": "Bad named entity: hArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hArr;", 
+            "description": "Named entity: hArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hairsp", 
+            "description": "Bad named entity: hairsp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hairsp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hairsp;", 
+            "description": "Named entity: hairsp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&half", 
+            "description": "Bad named entity: half without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&half"
+                ]
+            ]
+        }, 
+        {
+            "input": "&half;", 
+            "description": "Named entity: half; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hamilt", 
+            "description": "Bad named entity: hamilt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hamilt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hamilt;", 
+            "description": "Named entity: hamilt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hardcy", 
+            "description": "Bad named entity: hardcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hardcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hardcy;", 
+            "description": "Named entity: hardcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u044a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&harr", 
+            "description": "Bad named entity: harr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&harr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&harr;", 
+            "description": "Named entity: harr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2194"
+                ]
+            ]
+        }, 
+        {
+            "input": "&harrcir", 
+            "description": "Bad named entity: harrcir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&harrcir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&harrcir;", 
+            "description": "Named entity: harrcir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2948"
+                ]
+            ]
+        }, 
+        {
+            "input": "&harrw", 
+            "description": "Bad named entity: harrw without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&harrw"
+                ]
+            ]
+        }, 
+        {
+            "input": "&harrw;", 
+            "description": "Named entity: harrw; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hbar", 
+            "description": "Bad named entity: hbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hbar;", 
+            "description": "Named entity: hbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hcirc", 
+            "description": "Bad named entity: hcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hcirc;", 
+            "description": "Named entity: hcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0125"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hearts", 
+            "description": "Bad named entity: hearts without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hearts"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hearts;", 
+            "description": "Named entity: hearts; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2665"
+                ]
+            ]
+        }, 
+        {
+            "input": "&heartsuit", 
+            "description": "Bad named entity: heartsuit without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&heartsuit"
+                ]
+            ]
+        }, 
+        {
+            "input": "&heartsuit;", 
+            "description": "Named entity: heartsuit; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2665"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hellip", 
+            "description": "Bad named entity: hellip without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hellip"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hellip;", 
+            "description": "Named entity: hellip; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2026"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hercon", 
+            "description": "Bad named entity: hercon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hercon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hercon;", 
+            "description": "Named entity: hercon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hfr", 
+            "description": "Bad named entity: hfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hfr;", 
+            "description": "Named entity: hfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd25"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hksearow", 
+            "description": "Bad named entity: hksearow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hksearow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hksearow;", 
+            "description": "Named entity: hksearow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2925"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hkswarow", 
+            "description": "Bad named entity: hkswarow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hkswarow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hkswarow;", 
+            "description": "Named entity: hkswarow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2926"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hoarr", 
+            "description": "Bad named entity: hoarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hoarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hoarr;", 
+            "description": "Named entity: hoarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ff"
+                ]
+            ]
+        }, 
+        {
+            "input": "&homtht", 
+            "description": "Bad named entity: homtht without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&homtht"
+                ]
+            ]
+        }, 
+        {
+            "input": "&homtht;", 
+            "description": "Named entity: homtht; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hookleftarrow", 
+            "description": "Bad named entity: hookleftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hookleftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hookleftarrow;", 
+            "description": "Named entity: hookleftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hookrightarrow", 
+            "description": "Bad named entity: hookrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hookrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hookrightarrow;", 
+            "description": "Named entity: hookrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hopf", 
+            "description": "Bad named entity: hopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hopf;", 
+            "description": "Named entity: hopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd59"
+                ]
+            ]
+        }, 
+        {
+            "input": "&horbar", 
+            "description": "Bad named entity: horbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&horbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&horbar;", 
+            "description": "Named entity: horbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2015"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hscr", 
+            "description": "Bad named entity: hscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hscr;", 
+            "description": "Named entity: hscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcbd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hslash", 
+            "description": "Bad named entity: hslash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hslash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hslash;", 
+            "description": "Named entity: hslash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hstrok", 
+            "description": "Bad named entity: hstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hstrok;", 
+            "description": "Named entity: hstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0127"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hybull", 
+            "description": "Bad named entity: hybull without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hybull"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hybull;", 
+            "description": "Named entity: hybull; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2043"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hyphen", 
+            "description": "Bad named entity: hyphen without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&hyphen"
+                ]
+            ]
+        }, 
+        {
+            "input": "&hyphen;", 
+            "description": "Named entity: hyphen; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2010"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iacute", 
+            "description": "Named entity: iacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iacute;", 
+            "description": "Named entity: iacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ic", 
+            "description": "Bad named entity: ic without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ic"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ic;", 
+            "description": "Named entity: ic; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2063"
+                ]
+            ]
+        }, 
+        {
+            "input": "&icirc", 
+            "description": "Named entity: icirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&icirc;", 
+            "description": "Named entity: icirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&icy", 
+            "description": "Bad named entity: icy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&icy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&icy;", 
+            "description": "Named entity: icy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0438"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iecy", 
+            "description": "Bad named entity: iecy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iecy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iecy;", 
+            "description": "Named entity: iecy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0435"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iexcl", 
+            "description": "Named entity: iexcl without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iexcl;", 
+            "description": "Named entity: iexcl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iff", 
+            "description": "Bad named entity: iff without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iff"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iff;", 
+            "description": "Named entity: iff; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ifr", 
+            "description": "Bad named entity: ifr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ifr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ifr;", 
+            "description": "Named entity: ifr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd26"
+                ]
+            ]
+        }, 
+        {
+            "input": "&igrave", 
+            "description": "Named entity: igrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&igrave;", 
+            "description": "Named entity: igrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ii", 
+            "description": "Bad named entity: ii without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ii"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ii;", 
+            "description": "Named entity: ii; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2148"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iiiint", 
+            "description": "Bad named entity: iiiint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iiiint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iiiint;", 
+            "description": "Named entity: iiiint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a0c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iiint", 
+            "description": "Bad named entity: iiint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iiint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iiint;", 
+            "description": "Named entity: iiint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iinfin", 
+            "description": "Bad named entity: iinfin without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iinfin"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iinfin;", 
+            "description": "Named entity: iinfin; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iiota", 
+            "description": "Bad named entity: iiota without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iiota"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iiota;", 
+            "description": "Named entity: iiota; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2129"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ijlig", 
+            "description": "Bad named entity: ijlig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ijlig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ijlig;", 
+            "description": "Named entity: ijlig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0133"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imacr", 
+            "description": "Bad named entity: imacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&imacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imacr;", 
+            "description": "Named entity: imacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u012b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&image", 
+            "description": "Bad named entity: image without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&image"
+                ]
+            ]
+        }, 
+        {
+            "input": "&image;", 
+            "description": "Named entity: image; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2111"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imagline", 
+            "description": "Bad named entity: imagline without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&imagline"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imagline;", 
+            "description": "Named entity: imagline; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2110"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imagpart", 
+            "description": "Bad named entity: imagpart without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&imagpart"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imagpart;", 
+            "description": "Named entity: imagpart; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2111"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imath", 
+            "description": "Bad named entity: imath without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&imath"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imath;", 
+            "description": "Named entity: imath; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0131"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imof", 
+            "description": "Bad named entity: imof without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&imof"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imof;", 
+            "description": "Named entity: imof; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imped", 
+            "description": "Bad named entity: imped without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&imped"
+                ]
+            ]
+        }, 
+        {
+            "input": "&imped;", 
+            "description": "Named entity: imped; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u01b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&in", 
+            "description": "Bad named entity: in without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&in"
+                ]
+            ]
+        }, 
+        {
+            "input": "&in;", 
+            "description": "Named entity: in; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2208"
+                ]
+            ]
+        }, 
+        {
+            "input": "&incare", 
+            "description": "Bad named entity: incare without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&incare"
+                ]
+            ]
+        }, 
+        {
+            "input": "&incare;", 
+            "description": "Named entity: incare; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2105"
+                ]
+            ]
+        }, 
+        {
+            "input": "&infin", 
+            "description": "Bad named entity: infin without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&infin"
+                ]
+            ]
+        }, 
+        {
+            "input": "&infin;", 
+            "description": "Named entity: infin; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&infintie", 
+            "description": "Bad named entity: infintie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&infintie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&infintie;", 
+            "description": "Named entity: infintie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&inodot", 
+            "description": "Bad named entity: inodot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&inodot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&inodot;", 
+            "description": "Named entity: inodot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0131"
+                ]
+            ]
+        }, 
+        {
+            "input": "&int", 
+            "description": "Bad named entity: int without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&int"
+                ]
+            ]
+        }, 
+        {
+            "input": "&int;", 
+            "description": "Named entity: int; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intcal", 
+            "description": "Bad named entity: intcal without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&intcal"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intcal;", 
+            "description": "Named entity: intcal; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&integers", 
+            "description": "Bad named entity: integers without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&integers"
+                ]
+            ]
+        }, 
+        {
+            "input": "&integers;", 
+            "description": "Named entity: integers; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2124"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intercal", 
+            "description": "Bad named entity: intercal without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&intercal"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intercal;", 
+            "description": "Named entity: intercal; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intlarhk", 
+            "description": "Bad named entity: intlarhk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&intlarhk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intlarhk;", 
+            "description": "Named entity: intlarhk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a17"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intprod", 
+            "description": "Bad named entity: intprod without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&intprod"
+                ]
+            ]
+        }, 
+        {
+            "input": "&intprod;", 
+            "description": "Named entity: intprod; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a3c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iocy", 
+            "description": "Bad named entity: iocy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iocy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iocy;", 
+            "description": "Named entity: iocy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0451"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iogon", 
+            "description": "Bad named entity: iogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iogon;", 
+            "description": "Named entity: iogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u012f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iopf", 
+            "description": "Bad named entity: iopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iopf;", 
+            "description": "Named entity: iopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd5a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iota", 
+            "description": "Bad named entity: iota without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iota"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iota;", 
+            "description": "Named entity: iota; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iprod", 
+            "description": "Bad named entity: iprod without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iprod"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iprod;", 
+            "description": "Named entity: iprod; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a3c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iquest", 
+            "description": "Named entity: iquest without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iquest;", 
+            "description": "Named entity: iquest; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iscr", 
+            "description": "Bad named entity: iscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iscr;", 
+            "description": "Named entity: iscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcbe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isin", 
+            "description": "Bad named entity: isin without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&isin"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isin;", 
+            "description": "Named entity: isin; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2208"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isinE", 
+            "description": "Bad named entity: isinE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&isinE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isinE;", 
+            "description": "Named entity: isinE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isindot", 
+            "description": "Bad named entity: isindot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&isindot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isindot;", 
+            "description": "Named entity: isindot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isins", 
+            "description": "Bad named entity: isins without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&isins"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isins;", 
+            "description": "Named entity: isins; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isinsv", 
+            "description": "Bad named entity: isinsv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&isinsv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isinsv;", 
+            "description": "Named entity: isinsv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isinv", 
+            "description": "Bad named entity: isinv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&isinv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&isinv;", 
+            "description": "Named entity: isinv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2208"
+                ]
+            ]
+        }, 
+        {
+            "input": "&it", 
+            "description": "Bad named entity: it without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&it"
+                ]
+            ]
+        }, 
+        {
+            "input": "&it;", 
+            "description": "Named entity: it; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2062"
+                ]
+            ]
+        }, 
+        {
+            "input": "&itilde", 
+            "description": "Bad named entity: itilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&itilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&itilde;", 
+            "description": "Named entity: itilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0129"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iukcy", 
+            "description": "Bad named entity: iukcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&iukcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iukcy;", 
+            "description": "Named entity: iukcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0456"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iuml", 
+            "description": "Named entity: iuml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ef"
+                ]
+            ]
+        }, 
+        {
+            "input": "&iuml;", 
+            "description": "Named entity: iuml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ef"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jcirc", 
+            "description": "Bad named entity: jcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jcirc;", 
+            "description": "Named entity: jcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0135"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jcy", 
+            "description": "Bad named entity: jcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jcy;", 
+            "description": "Named entity: jcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0439"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jfr", 
+            "description": "Bad named entity: jfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jfr;", 
+            "description": "Named entity: jfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd27"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jmath", 
+            "description": "Bad named entity: jmath without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jmath"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jmath;", 
+            "description": "Named entity: jmath; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0237"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jopf", 
+            "description": "Bad named entity: jopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jopf;", 
+            "description": "Named entity: jopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd5b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jscr", 
+            "description": "Bad named entity: jscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jscr;", 
+            "description": "Named entity: jscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcbf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jsercy", 
+            "description": "Bad named entity: jsercy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jsercy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jsercy;", 
+            "description": "Named entity: jsercy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0458"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jukcy", 
+            "description": "Bad named entity: jukcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&jukcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&jukcy;", 
+            "description": "Named entity: jukcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0454"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kappa", 
+            "description": "Bad named entity: kappa without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kappa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kappa;", 
+            "description": "Named entity: kappa; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03ba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kappav", 
+            "description": "Bad named entity: kappav without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kappav"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kappav;", 
+            "description": "Named entity: kappav; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kcedil", 
+            "description": "Bad named entity: kcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kcedil;", 
+            "description": "Named entity: kcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0137"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kcy", 
+            "description": "Bad named entity: kcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kcy;", 
+            "description": "Named entity: kcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u043a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kfr", 
+            "description": "Bad named entity: kfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kfr;", 
+            "description": "Named entity: kfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd28"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kgreen", 
+            "description": "Bad named entity: kgreen without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kgreen"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kgreen;", 
+            "description": "Named entity: kgreen; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0138"
+                ]
+            ]
+        }, 
+        {
+            "input": "&khcy", 
+            "description": "Bad named entity: khcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&khcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&khcy;", 
+            "description": "Named entity: khcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0445"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kjcy", 
+            "description": "Bad named entity: kjcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kjcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kjcy;", 
+            "description": "Named entity: kjcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u045c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kopf", 
+            "description": "Bad named entity: kopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kopf;", 
+            "description": "Named entity: kopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd5c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kscr", 
+            "description": "Bad named entity: kscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&kscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&kscr;", 
+            "description": "Named entity: kscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lAarr", 
+            "description": "Bad named entity: lAarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lAarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lAarr;", 
+            "description": "Named entity: lAarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lArr", 
+            "description": "Bad named entity: lArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lArr;", 
+            "description": "Named entity: lArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lAtail", 
+            "description": "Bad named entity: lAtail without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lAtail"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lAtail;", 
+            "description": "Named entity: lAtail; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u291b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lBarr", 
+            "description": "Bad named entity: lBarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lBarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lBarr;", 
+            "description": "Named entity: lBarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u290e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lE", 
+            "description": "Bad named entity: lE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lE;", 
+            "description": "Named entity: lE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2266"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lEg", 
+            "description": "Bad named entity: lEg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lEg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lEg;", 
+            "description": "Named entity: lEg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lHar", 
+            "description": "Bad named entity: lHar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lHar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lHar;", 
+            "description": "Named entity: lHar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2962"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lacute", 
+            "description": "Bad named entity: lacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lacute;", 
+            "description": "Named entity: lacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u013a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&laemptyv", 
+            "description": "Bad named entity: laemptyv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&laemptyv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&laemptyv;", 
+            "description": "Named entity: laemptyv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lagran", 
+            "description": "Bad named entity: lagran without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lagran"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lagran;", 
+            "description": "Named entity: lagran; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2112"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lambda", 
+            "description": "Bad named entity: lambda without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lambda"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lambda;", 
+            "description": "Named entity: lambda; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03bb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lang", 
+            "description": "Bad named entity: lang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lang;", 
+            "description": "Named entity: lang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&langd", 
+            "description": "Bad named entity: langd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&langd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&langd;", 
+            "description": "Named entity: langd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2991"
+                ]
+            ]
+        }, 
+        {
+            "input": "&langle", 
+            "description": "Bad named entity: langle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&langle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&langle;", 
+            "description": "Named entity: langle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lap", 
+            "description": "Bad named entity: lap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lap;", 
+            "description": "Named entity: lap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a85"
+                ]
+            ]
+        }, 
+        {
+            "input": "&laquo", 
+            "description": "Named entity: laquo without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&laquo;", 
+            "description": "Named entity: laquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larr", 
+            "description": "Bad named entity: larr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larr;", 
+            "description": "Named entity: larr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2190"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrb", 
+            "description": "Bad named entity: larrb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrb;", 
+            "description": "Named entity: larrb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21e4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrbfs", 
+            "description": "Bad named entity: larrbfs without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrbfs"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrbfs;", 
+            "description": "Named entity: larrbfs; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u291f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrfs", 
+            "description": "Bad named entity: larrfs without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrfs"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrfs;", 
+            "description": "Named entity: larrfs; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u291d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrhk", 
+            "description": "Bad named entity: larrhk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrhk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrhk;", 
+            "description": "Named entity: larrhk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrlp", 
+            "description": "Bad named entity: larrlp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrlp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrlp;", 
+            "description": "Named entity: larrlp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrpl", 
+            "description": "Bad named entity: larrpl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrpl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrpl;", 
+            "description": "Named entity: larrpl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2939"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrsim", 
+            "description": "Bad named entity: larrsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrsim;", 
+            "description": "Named entity: larrsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2973"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrtl", 
+            "description": "Bad named entity: larrtl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&larrtl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&larrtl;", 
+            "description": "Named entity: larrtl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lat", 
+            "description": "Bad named entity: lat without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lat"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lat;", 
+            "description": "Named entity: lat; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&latail", 
+            "description": "Bad named entity: latail without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&latail"
+                ]
+            ]
+        }, 
+        {
+            "input": "&latail;", 
+            "description": "Named entity: latail; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2919"
+                ]
+            ]
+        }, 
+        {
+            "input": "&late", 
+            "description": "Bad named entity: late without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&late"
+                ]
+            ]
+        }, 
+        {
+            "input": "&late;", 
+            "description": "Named entity: late; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lates", 
+            "description": "Bad named entity: lates without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lates"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lates;", 
+            "description": "Named entity: lates; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aad\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbarr", 
+            "description": "Bad named entity: lbarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lbarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbarr;", 
+            "description": "Named entity: lbarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u290c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbbrk", 
+            "description": "Bad named entity: lbbrk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lbbrk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbbrk;", 
+            "description": "Named entity: lbbrk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2772"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrace", 
+            "description": "Bad named entity: lbrace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lbrace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrace;", 
+            "description": "Named entity: lbrace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "{"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrack", 
+            "description": "Bad named entity: lbrack without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lbrack"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrack;", 
+            "description": "Named entity: lbrack; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "["
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrke", 
+            "description": "Bad named entity: lbrke without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lbrke"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrke;", 
+            "description": "Named entity: lbrke; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u298b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrksld", 
+            "description": "Bad named entity: lbrksld without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lbrksld"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrksld;", 
+            "description": "Named entity: lbrksld; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u298f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrkslu", 
+            "description": "Bad named entity: lbrkslu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lbrkslu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lbrkslu;", 
+            "description": "Named entity: lbrkslu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u298d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcaron", 
+            "description": "Bad named entity: lcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcaron;", 
+            "description": "Named entity: lcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u013e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcedil", 
+            "description": "Bad named entity: lcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcedil;", 
+            "description": "Named entity: lcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u013c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lceil", 
+            "description": "Bad named entity: lceil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lceil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lceil;", 
+            "description": "Named entity: lceil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2308"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcub", 
+            "description": "Bad named entity: lcub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lcub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcub;", 
+            "description": "Named entity: lcub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "{"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcy", 
+            "description": "Bad named entity: lcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lcy;", 
+            "description": "Named entity: lcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u043b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldca", 
+            "description": "Bad named entity: ldca without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ldca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldca;", 
+            "description": "Named entity: ldca; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2936"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldquo", 
+            "description": "Bad named entity: ldquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ldquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldquo;", 
+            "description": "Named entity: ldquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldquor", 
+            "description": "Bad named entity: ldquor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ldquor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldquor;", 
+            "description": "Named entity: ldquor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldrdhar", 
+            "description": "Bad named entity: ldrdhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ldrdhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldrdhar;", 
+            "description": "Named entity: ldrdhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2967"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldrushar", 
+            "description": "Bad named entity: ldrushar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ldrushar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldrushar;", 
+            "description": "Named entity: ldrushar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u294b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldsh", 
+            "description": "Bad named entity: ldsh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ldsh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ldsh;", 
+            "description": "Named entity: ldsh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&le", 
+            "description": "Bad named entity: le without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&le"
+                ]
+            ]
+        }, 
+        {
+            "input": "&le;", 
+            "description": "Named entity: le; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2264"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftarrow", 
+            "description": "Bad named entity: leftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftarrow;", 
+            "description": "Named entity: leftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2190"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftarrowtail", 
+            "description": "Bad named entity: leftarrowtail without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftarrowtail"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftarrowtail;", 
+            "description": "Named entity: leftarrowtail; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftharpoondown", 
+            "description": "Bad named entity: leftharpoondown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftharpoondown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftharpoondown;", 
+            "description": "Named entity: leftharpoondown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftharpoonup", 
+            "description": "Bad named entity: leftharpoonup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftharpoonup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftharpoonup;", 
+            "description": "Named entity: leftharpoonup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftleftarrows", 
+            "description": "Bad named entity: leftleftarrows without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftleftarrows"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftleftarrows;", 
+            "description": "Named entity: leftleftarrows; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightarrow", 
+            "description": "Bad named entity: leftrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightarrow;", 
+            "description": "Named entity: leftrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2194"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightarrows", 
+            "description": "Bad named entity: leftrightarrows without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftrightarrows"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightarrows;", 
+            "description": "Named entity: leftrightarrows; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightharpoons", 
+            "description": "Bad named entity: leftrightharpoons without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftrightharpoons"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightharpoons;", 
+            "description": "Named entity: leftrightharpoons; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightsquigarrow", 
+            "description": "Bad named entity: leftrightsquigarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftrightsquigarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftrightsquigarrow;", 
+            "description": "Named entity: leftrightsquigarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftthreetimes", 
+            "description": "Bad named entity: leftthreetimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leftthreetimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leftthreetimes;", 
+            "description": "Named entity: leftthreetimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leg", 
+            "description": "Bad named entity: leg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leg;", 
+            "description": "Named entity: leg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leq", 
+            "description": "Bad named entity: leq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leq;", 
+            "description": "Named entity: leq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2264"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leqq", 
+            "description": "Bad named entity: leqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leqq;", 
+            "description": "Named entity: leqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2266"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leqslant", 
+            "description": "Bad named entity: leqslant without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&leqslant"
+                ]
+            ]
+        }, 
+        {
+            "input": "&leqslant;", 
+            "description": "Named entity: leqslant; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&les", 
+            "description": "Bad named entity: les without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&les"
+                ]
+            ]
+        }, 
+        {
+            "input": "&les;", 
+            "description": "Named entity: les; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lescc", 
+            "description": "Bad named entity: lescc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lescc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lescc;", 
+            "description": "Named entity: lescc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesdot", 
+            "description": "Bad named entity: lesdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesdot;", 
+            "description": "Named entity: lesdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesdoto", 
+            "description": "Bad named entity: lesdoto without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesdoto"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesdoto;", 
+            "description": "Named entity: lesdoto; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a81"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesdotor", 
+            "description": "Bad named entity: lesdotor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesdotor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesdotor;", 
+            "description": "Named entity: lesdotor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a83"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesg", 
+            "description": "Bad named entity: lesg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesg;", 
+            "description": "Named entity: lesg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22da\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesges", 
+            "description": "Bad named entity: lesges without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesges"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesges;", 
+            "description": "Named entity: lesges; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a93"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lessapprox", 
+            "description": "Bad named entity: lessapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lessapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lessapprox;", 
+            "description": "Named entity: lessapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a85"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lessdot", 
+            "description": "Bad named entity: lessdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lessdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lessdot;", 
+            "description": "Named entity: lessdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesseqgtr", 
+            "description": "Bad named entity: lesseqgtr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesseqgtr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesseqgtr;", 
+            "description": "Named entity: lesseqgtr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesseqqgtr", 
+            "description": "Bad named entity: lesseqqgtr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesseqqgtr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesseqqgtr;", 
+            "description": "Named entity: lesseqqgtr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lessgtr", 
+            "description": "Bad named entity: lessgtr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lessgtr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lessgtr;", 
+            "description": "Named entity: lessgtr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2276"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesssim", 
+            "description": "Bad named entity: lesssim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lesssim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lesssim;", 
+            "description": "Named entity: lesssim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2272"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lfisht", 
+            "description": "Bad named entity: lfisht without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lfisht"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lfisht;", 
+            "description": "Named entity: lfisht; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u297c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lfloor", 
+            "description": "Bad named entity: lfloor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lfloor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lfloor;", 
+            "description": "Named entity: lfloor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lfr", 
+            "description": "Bad named entity: lfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lfr;", 
+            "description": "Named entity: lfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd29"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lg", 
+            "description": "Bad named entity: lg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lg;", 
+            "description": "Named entity: lg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2276"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lgE", 
+            "description": "Bad named entity: lgE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lgE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lgE;", 
+            "description": "Named entity: lgE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a91"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lhard", 
+            "description": "Bad named entity: lhard without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lhard"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lhard;", 
+            "description": "Named entity: lhard; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lharu", 
+            "description": "Bad named entity: lharu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lharu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lharu;", 
+            "description": "Named entity: lharu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lharul", 
+            "description": "Bad named entity: lharul without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lharul"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lharul;", 
+            "description": "Named entity: lharul; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lhblk", 
+            "description": "Bad named entity: lhblk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lhblk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lhblk;", 
+            "description": "Named entity: lhblk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2584"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ljcy", 
+            "description": "Bad named entity: ljcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ljcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ljcy;", 
+            "description": "Named entity: ljcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0459"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ll", 
+            "description": "Bad named entity: ll without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ll"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ll;", 
+            "description": "Named entity: ll; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&llarr", 
+            "description": "Bad named entity: llarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&llarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&llarr;", 
+            "description": "Named entity: llarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&llcorner", 
+            "description": "Bad named entity: llcorner without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&llcorner"
+                ]
+            ]
+        }, 
+        {
+            "input": "&llcorner;", 
+            "description": "Named entity: llcorner; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&llhard", 
+            "description": "Bad named entity: llhard without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&llhard"
+                ]
+            ]
+        }, 
+        {
+            "input": "&llhard;", 
+            "description": "Named entity: llhard; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lltri", 
+            "description": "Bad named entity: lltri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lltri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lltri;", 
+            "description": "Named entity: lltri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25fa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lmidot", 
+            "description": "Bad named entity: lmidot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lmidot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lmidot;", 
+            "description": "Named entity: lmidot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0140"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lmoust", 
+            "description": "Bad named entity: lmoust without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lmoust"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lmoust;", 
+            "description": "Named entity: lmoust; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lmoustache", 
+            "description": "Bad named entity: lmoustache without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lmoustache"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lmoustache;", 
+            "description": "Named entity: lmoustache; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnE", 
+            "description": "Bad named entity: lnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnE;", 
+            "description": "Named entity: lnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2268"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnap", 
+            "description": "Bad named entity: lnap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lnap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnap;", 
+            "description": "Named entity: lnap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a89"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnapprox", 
+            "description": "Bad named entity: lnapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lnapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnapprox;", 
+            "description": "Named entity: lnapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a89"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lne", 
+            "description": "Bad named entity: lne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lne;", 
+            "description": "Named entity: lne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a87"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lneq", 
+            "description": "Bad named entity: lneq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lneq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lneq;", 
+            "description": "Named entity: lneq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a87"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lneqq", 
+            "description": "Bad named entity: lneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lneqq;", 
+            "description": "Named entity: lneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2268"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnsim", 
+            "description": "Bad named entity: lnsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lnsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lnsim;", 
+            "description": "Named entity: lnsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loang", 
+            "description": "Bad named entity: loang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&loang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loang;", 
+            "description": "Named entity: loang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27ec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loarr", 
+            "description": "Bad named entity: loarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&loarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loarr;", 
+            "description": "Named entity: loarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21fd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lobrk", 
+            "description": "Bad named entity: lobrk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lobrk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lobrk;", 
+            "description": "Named entity: lobrk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longleftarrow", 
+            "description": "Bad named entity: longleftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&longleftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longleftarrow;", 
+            "description": "Named entity: longleftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longleftrightarrow", 
+            "description": "Bad named entity: longleftrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&longleftrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longleftrightarrow;", 
+            "description": "Named entity: longleftrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longmapsto", 
+            "description": "Bad named entity: longmapsto without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&longmapsto"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longmapsto;", 
+            "description": "Named entity: longmapsto; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27fc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longrightarrow", 
+            "description": "Bad named entity: longrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&longrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&longrightarrow;", 
+            "description": "Named entity: longrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&looparrowleft", 
+            "description": "Bad named entity: looparrowleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&looparrowleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&looparrowleft;", 
+            "description": "Named entity: looparrowleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ab"
+                ]
+            ]
+        }, 
+        {
+            "input": "&looparrowright", 
+            "description": "Bad named entity: looparrowright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&looparrowright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&looparrowright;", 
+            "description": "Named entity: looparrowright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lopar", 
+            "description": "Bad named entity: lopar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lopar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lopar;", 
+            "description": "Named entity: lopar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2985"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lopf", 
+            "description": "Bad named entity: lopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lopf;", 
+            "description": "Named entity: lopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd5d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loplus", 
+            "description": "Bad named entity: loplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&loplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loplus;", 
+            "description": "Named entity: loplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a2d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lotimes", 
+            "description": "Bad named entity: lotimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lotimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lotimes;", 
+            "description": "Named entity: lotimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a34"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lowast", 
+            "description": "Bad named entity: lowast without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lowast"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lowast;", 
+            "description": "Named entity: lowast; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2217"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lowbar", 
+            "description": "Bad named entity: lowbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lowbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lowbar;", 
+            "description": "Named entity: lowbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "_"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loz", 
+            "description": "Bad named entity: loz without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&loz"
+                ]
+            ]
+        }, 
+        {
+            "input": "&loz;", 
+            "description": "Named entity: loz; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lozenge", 
+            "description": "Bad named entity: lozenge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lozenge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lozenge;", 
+            "description": "Named entity: lozenge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lozf", 
+            "description": "Bad named entity: lozf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lozf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lozf;", 
+            "description": "Named entity: lozf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lpar", 
+            "description": "Bad named entity: lpar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lpar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lpar;", 
+            "description": "Named entity: lpar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "("
+                ]
+            ]
+        }, 
+        {
+            "input": "&lparlt", 
+            "description": "Bad named entity: lparlt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lparlt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lparlt;", 
+            "description": "Named entity: lparlt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2993"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrarr", 
+            "description": "Bad named entity: lrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrarr;", 
+            "description": "Named entity: lrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrcorner", 
+            "description": "Bad named entity: lrcorner without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lrcorner"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrcorner;", 
+            "description": "Named entity: lrcorner; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrhar", 
+            "description": "Bad named entity: lrhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lrhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrhar;", 
+            "description": "Named entity: lrhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrhard", 
+            "description": "Bad named entity: lrhard without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lrhard"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrhard;", 
+            "description": "Named entity: lrhard; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrm", 
+            "description": "Bad named entity: lrm without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lrm"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrm;", 
+            "description": "Named entity: lrm; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrtri", 
+            "description": "Bad named entity: lrtri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lrtri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lrtri;", 
+            "description": "Named entity: lrtri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsaquo", 
+            "description": "Bad named entity: lsaquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsaquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsaquo;", 
+            "description": "Named entity: lsaquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2039"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lscr", 
+            "description": "Bad named entity: lscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lscr;", 
+            "description": "Named entity: lscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsh", 
+            "description": "Bad named entity: lsh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsh;", 
+            "description": "Named entity: lsh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsim", 
+            "description": "Bad named entity: lsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsim;", 
+            "description": "Named entity: lsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2272"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsime", 
+            "description": "Bad named entity: lsime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsime;", 
+            "description": "Named entity: lsime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsimg", 
+            "description": "Bad named entity: lsimg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsimg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsimg;", 
+            "description": "Named entity: lsimg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a8f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsqb", 
+            "description": "Bad named entity: lsqb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsqb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsqb;", 
+            "description": "Named entity: lsqb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "["
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsquo", 
+            "description": "Bad named entity: lsquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsquo;", 
+            "description": "Named entity: lsquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2018"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsquor", 
+            "description": "Bad named entity: lsquor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lsquor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lsquor;", 
+            "description": "Named entity: lsquor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lstrok", 
+            "description": "Bad named entity: lstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lstrok;", 
+            "description": "Named entity: lstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0142"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lt", 
+            "description": "Named entity: lt without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "<"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lt;", 
+            "description": "Named entity: lt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "<"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltcc;", 
+            "description": "Named entity: ltcc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltcir;", 
+            "description": "Named entity: ltcir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a79"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltdot;", 
+            "description": "Named entity: ltdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lthree;", 
+            "description": "Named entity: lthree; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltimes;", 
+            "description": "Named entity: ltimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltlarr;", 
+            "description": "Named entity: ltlarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2976"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltquest;", 
+            "description": "Named entity: ltquest; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltrPar;", 
+            "description": "Named entity: ltrPar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2996"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltri;", 
+            "description": "Named entity: ltri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltrie;", 
+            "description": "Named entity: ltrie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ltrif;", 
+            "description": "Named entity: ltrif; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lurdshar", 
+            "description": "Bad named entity: lurdshar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lurdshar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lurdshar;", 
+            "description": "Named entity: lurdshar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u294a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&luruhar", 
+            "description": "Bad named entity: luruhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&luruhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&luruhar;", 
+            "description": "Named entity: luruhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2966"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lvertneqq", 
+            "description": "Bad named entity: lvertneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lvertneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lvertneqq;", 
+            "description": "Named entity: lvertneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2268\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lvnE", 
+            "description": "Bad named entity: lvnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&lvnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&lvnE;", 
+            "description": "Named entity: lvnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2268\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mDDot", 
+            "description": "Bad named entity: mDDot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mDDot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mDDot;", 
+            "description": "Named entity: mDDot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&macr", 
+            "description": "Named entity: macr without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00af"
+                ]
+            ]
+        }, 
+        {
+            "input": "&macr;", 
+            "description": "Named entity: macr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00af"
+                ]
+            ]
+        }, 
+        {
+            "input": "&male", 
+            "description": "Bad named entity: male without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&male"
+                ]
+            ]
+        }, 
+        {
+            "input": "&male;", 
+            "description": "Named entity: male; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2642"
+                ]
+            ]
+        }, 
+        {
+            "input": "&malt", 
+            "description": "Bad named entity: malt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&malt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&malt;", 
+            "description": "Named entity: malt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2720"
+                ]
+            ]
+        }, 
+        {
+            "input": "&maltese", 
+            "description": "Bad named entity: maltese without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&maltese"
+                ]
+            ]
+        }, 
+        {
+            "input": "&maltese;", 
+            "description": "Named entity: maltese; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2720"
+                ]
+            ]
+        }, 
+        {
+            "input": "&map", 
+            "description": "Bad named entity: map without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&map"
+                ]
+            ]
+        }, 
+        {
+            "input": "&map;", 
+            "description": "Named entity: map; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapsto", 
+            "description": "Bad named entity: mapsto without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mapsto"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapsto;", 
+            "description": "Named entity: mapsto; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapstodown", 
+            "description": "Bad named entity: mapstodown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mapstodown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapstodown;", 
+            "description": "Named entity: mapstodown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapstoleft", 
+            "description": "Bad named entity: mapstoleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mapstoleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapstoleft;", 
+            "description": "Named entity: mapstoleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapstoup", 
+            "description": "Bad named entity: mapstoup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mapstoup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mapstoup;", 
+            "description": "Named entity: mapstoup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&marker", 
+            "description": "Bad named entity: marker without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&marker"
+                ]
+            ]
+        }, 
+        {
+            "input": "&marker;", 
+            "description": "Named entity: marker; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mcomma", 
+            "description": "Bad named entity: mcomma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mcomma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mcomma;", 
+            "description": "Named entity: mcomma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a29"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mcy", 
+            "description": "Bad named entity: mcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mcy;", 
+            "description": "Named entity: mcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u043c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mdash", 
+            "description": "Bad named entity: mdash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mdash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mdash;", 
+            "description": "Named entity: mdash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2014"
+                ]
+            ]
+        }, 
+        {
+            "input": "&measuredangle", 
+            "description": "Bad named entity: measuredangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&measuredangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&measuredangle;", 
+            "description": "Named entity: measuredangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2221"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mfr", 
+            "description": "Bad named entity: mfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mfr;", 
+            "description": "Named entity: mfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd2a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mho", 
+            "description": "Bad named entity: mho without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mho"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mho;", 
+            "description": "Named entity: mho; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2127"
+                ]
+            ]
+        }, 
+        {
+            "input": "&micro", 
+            "description": "Named entity: micro without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&micro;", 
+            "description": "Named entity: micro; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mid", 
+            "description": "Bad named entity: mid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mid;", 
+            "description": "Named entity: mid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2223"
+                ]
+            ]
+        }, 
+        {
+            "input": "&midast", 
+            "description": "Bad named entity: midast without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&midast"
+                ]
+            ]
+        }, 
+        {
+            "input": "&midast;", 
+            "description": "Named entity: midast; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "*"
+                ]
+            ]
+        }, 
+        {
+            "input": "&midcir", 
+            "description": "Bad named entity: midcir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&midcir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&midcir;", 
+            "description": "Named entity: midcir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2af0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&middot", 
+            "description": "Named entity: middot without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&middot;", 
+            "description": "Named entity: middot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minus", 
+            "description": "Bad named entity: minus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&minus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minus;", 
+            "description": "Named entity: minus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2212"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minusb", 
+            "description": "Bad named entity: minusb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&minusb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minusb;", 
+            "description": "Named entity: minusb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minusd", 
+            "description": "Bad named entity: minusd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&minusd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minusd;", 
+            "description": "Named entity: minusd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2238"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minusdu", 
+            "description": "Bad named entity: minusdu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&minusdu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&minusdu;", 
+            "description": "Named entity: minusdu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a2a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mlcp", 
+            "description": "Bad named entity: mlcp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mlcp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mlcp;", 
+            "description": "Named entity: mlcp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2adb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mldr", 
+            "description": "Bad named entity: mldr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mldr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mldr;", 
+            "description": "Named entity: mldr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2026"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mnplus", 
+            "description": "Bad named entity: mnplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mnplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mnplus;", 
+            "description": "Named entity: mnplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2213"
+                ]
+            ]
+        }, 
+        {
+            "input": "&models", 
+            "description": "Bad named entity: models without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&models"
+                ]
+            ]
+        }, 
+        {
+            "input": "&models;", 
+            "description": "Named entity: models; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mopf", 
+            "description": "Bad named entity: mopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mopf;", 
+            "description": "Named entity: mopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd5e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mp", 
+            "description": "Bad named entity: mp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mp;", 
+            "description": "Named entity: mp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2213"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mscr", 
+            "description": "Bad named entity: mscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mscr;", 
+            "description": "Named entity: mscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mstpos", 
+            "description": "Bad named entity: mstpos without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mstpos"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mstpos;", 
+            "description": "Named entity: mstpos; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mu", 
+            "description": "Bad named entity: mu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mu;", 
+            "description": "Named entity: mu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03bc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&multimap", 
+            "description": "Bad named entity: multimap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&multimap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&multimap;", 
+            "description": "Named entity: multimap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mumap", 
+            "description": "Bad named entity: mumap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&mumap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&mumap;", 
+            "description": "Named entity: mumap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nGg", 
+            "description": "Bad named entity: nGg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nGg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nGg;", 
+            "description": "Named entity: nGg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d9\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nGt", 
+            "description": "Bad named entity: nGt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nGt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nGt;", 
+            "description": "Named entity: nGt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226b\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nGtv", 
+            "description": "Bad named entity: nGtv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nGtv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nGtv;", 
+            "description": "Named entity: nGtv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226b\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLeftarrow", 
+            "description": "Bad named entity: nLeftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nLeftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLeftarrow;", 
+            "description": "Named entity: nLeftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLeftrightarrow", 
+            "description": "Bad named entity: nLeftrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nLeftrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLeftrightarrow;", 
+            "description": "Named entity: nLeftrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLl", 
+            "description": "Bad named entity: nLl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nLl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLl;", 
+            "description": "Named entity: nLl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d8\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLt", 
+            "description": "Bad named entity: nLt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nLt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLt;", 
+            "description": "Named entity: nLt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226a\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLtv", 
+            "description": "Bad named entity: nLtv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nLtv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nLtv;", 
+            "description": "Named entity: nLtv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226a\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nRightarrow", 
+            "description": "Bad named entity: nRightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nRightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nRightarrow;", 
+            "description": "Named entity: nRightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nVDash", 
+            "description": "Bad named entity: nVDash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nVDash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nVDash;", 
+            "description": "Named entity: nVDash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22af"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nVdash", 
+            "description": "Bad named entity: nVdash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nVdash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nVdash;", 
+            "description": "Named entity: nVdash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nabla", 
+            "description": "Bad named entity: nabla without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nabla"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nabla;", 
+            "description": "Named entity: nabla; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2207"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nacute", 
+            "description": "Bad named entity: nacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nacute;", 
+            "description": "Named entity: nacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0144"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nang", 
+            "description": "Bad named entity: nang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nang;", 
+            "description": "Named entity: nang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2220\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nap", 
+            "description": "Bad named entity: nap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nap;", 
+            "description": "Named entity: nap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2249"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napE", 
+            "description": "Bad named entity: napE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&napE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napE;", 
+            "description": "Named entity: napE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a70\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napid", 
+            "description": "Bad named entity: napid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&napid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napid;", 
+            "description": "Named entity: napid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224b\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napos", 
+            "description": "Bad named entity: napos without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&napos"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napos;", 
+            "description": "Named entity: napos; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0149"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napprox", 
+            "description": "Bad named entity: napprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&napprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&napprox;", 
+            "description": "Named entity: napprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2249"
+                ]
+            ]
+        }, 
+        {
+            "input": "&natur", 
+            "description": "Bad named entity: natur without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&natur"
+                ]
+            ]
+        }, 
+        {
+            "input": "&natur;", 
+            "description": "Named entity: natur; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u266e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&natural", 
+            "description": "Bad named entity: natural without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&natural"
+                ]
+            ]
+        }, 
+        {
+            "input": "&natural;", 
+            "description": "Named entity: natural; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u266e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&naturals", 
+            "description": "Bad named entity: naturals without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&naturals"
+                ]
+            ]
+        }, 
+        {
+            "input": "&naturals;", 
+            "description": "Named entity: naturals; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2115"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nbsp", 
+            "description": "Named entity: nbsp without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nbsp;", 
+            "description": "Named entity: nbsp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nbump", 
+            "description": "Bad named entity: nbump without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nbump"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nbump;", 
+            "description": "Named entity: nbump; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224e\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nbumpe", 
+            "description": "Bad named entity: nbumpe without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nbumpe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nbumpe;", 
+            "description": "Named entity: nbumpe; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224f\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncap", 
+            "description": "Bad named entity: ncap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ncap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncap;", 
+            "description": "Named entity: ncap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a43"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncaron", 
+            "description": "Bad named entity: ncaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ncaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncaron;", 
+            "description": "Named entity: ncaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0148"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncedil", 
+            "description": "Bad named entity: ncedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ncedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncedil;", 
+            "description": "Named entity: ncedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0146"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncong", 
+            "description": "Bad named entity: ncong without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ncong"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncong;", 
+            "description": "Named entity: ncong; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2247"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncongdot", 
+            "description": "Bad named entity: ncongdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ncongdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncongdot;", 
+            "description": "Named entity: ncongdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a6d\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncup", 
+            "description": "Bad named entity: ncup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ncup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncup;", 
+            "description": "Named entity: ncup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a42"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncy", 
+            "description": "Bad named entity: ncy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ncy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ncy;", 
+            "description": "Named entity: ncy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u043d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ndash", 
+            "description": "Bad named entity: ndash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ndash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ndash;", 
+            "description": "Named entity: ndash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2013"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ne", 
+            "description": "Bad named entity: ne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ne;", 
+            "description": "Named entity: ne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2260"
+                ]
+            ]
+        }, 
+        {
+            "input": "&neArr", 
+            "description": "Bad named entity: neArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&neArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&neArr;", 
+            "description": "Named entity: neArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nearhk", 
+            "description": "Bad named entity: nearhk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nearhk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nearhk;", 
+            "description": "Named entity: nearhk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2924"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nearr", 
+            "description": "Bad named entity: nearr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nearr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nearr;", 
+            "description": "Named entity: nearr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2197"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nearrow", 
+            "description": "Bad named entity: nearrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nearrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nearrow;", 
+            "description": "Named entity: nearrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2197"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nedot", 
+            "description": "Bad named entity: nedot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nedot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nedot;", 
+            "description": "Named entity: nedot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2250\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nequiv", 
+            "description": "Bad named entity: nequiv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nequiv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nequiv;", 
+            "description": "Named entity: nequiv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2262"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nesear", 
+            "description": "Bad named entity: nesear without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nesear"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nesear;", 
+            "description": "Named entity: nesear; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2928"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nesim", 
+            "description": "Bad named entity: nesim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nesim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nesim;", 
+            "description": "Named entity: nesim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2242\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nexist", 
+            "description": "Bad named entity: nexist without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nexist"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nexist;", 
+            "description": "Named entity: nexist; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2204"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nexists", 
+            "description": "Bad named entity: nexists without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nexists"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nexists;", 
+            "description": "Named entity: nexists; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2204"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nfr", 
+            "description": "Bad named entity: nfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nfr;", 
+            "description": "Named entity: nfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd2b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngE", 
+            "description": "Bad named entity: ngE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ngE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngE;", 
+            "description": "Named entity: ngE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2267\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nge", 
+            "description": "Bad named entity: nge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nge;", 
+            "description": "Named entity: nge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2271"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngeq", 
+            "description": "Bad named entity: ngeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ngeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngeq;", 
+            "description": "Named entity: ngeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2271"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngeqq", 
+            "description": "Bad named entity: ngeqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ngeqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngeqq;", 
+            "description": "Named entity: ngeqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2267\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngeqslant", 
+            "description": "Bad named entity: ngeqslant without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ngeqslant"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngeqslant;", 
+            "description": "Named entity: ngeqslant; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7e\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nges", 
+            "description": "Bad named entity: nges without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nges"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nges;", 
+            "description": "Named entity: nges; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7e\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngsim", 
+            "description": "Bad named entity: ngsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ngsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngsim;", 
+            "description": "Named entity: ngsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2275"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngt", 
+            "description": "Bad named entity: ngt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ngt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngt;", 
+            "description": "Named entity: ngt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngtr", 
+            "description": "Bad named entity: ngtr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ngtr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ngtr;", 
+            "description": "Named entity: ngtr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nhArr", 
+            "description": "Bad named entity: nhArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nhArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nhArr;", 
+            "description": "Named entity: nhArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nharr", 
+            "description": "Bad named entity: nharr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nharr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nharr;", 
+            "description": "Named entity: nharr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nhpar", 
+            "description": "Bad named entity: nhpar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nhpar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nhpar;", 
+            "description": "Named entity: nhpar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2af2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ni", 
+            "description": "Bad named entity: ni without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ni"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ni;", 
+            "description": "Named entity: ni; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nis", 
+            "description": "Bad named entity: nis without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nis"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nis;", 
+            "description": "Named entity: nis; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22fc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nisd", 
+            "description": "Bad named entity: nisd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nisd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nisd;", 
+            "description": "Named entity: nisd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22fa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&niv", 
+            "description": "Bad named entity: niv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&niv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&niv;", 
+            "description": "Named entity: niv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&njcy", 
+            "description": "Bad named entity: njcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&njcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&njcy;", 
+            "description": "Named entity: njcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u045a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlArr", 
+            "description": "Bad named entity: nlArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nlArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlArr;", 
+            "description": "Named entity: nlArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlE", 
+            "description": "Bad named entity: nlE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nlE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlE;", 
+            "description": "Named entity: nlE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2266\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlarr", 
+            "description": "Bad named entity: nlarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nlarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlarr;", 
+            "description": "Named entity: nlarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nldr", 
+            "description": "Bad named entity: nldr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nldr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nldr;", 
+            "description": "Named entity: nldr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2025"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nle", 
+            "description": "Bad named entity: nle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nle;", 
+            "description": "Named entity: nle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2270"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleftarrow", 
+            "description": "Bad named entity: nleftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nleftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleftarrow;", 
+            "description": "Named entity: nleftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleftrightarrow", 
+            "description": "Bad named entity: nleftrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nleftrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleftrightarrow;", 
+            "description": "Named entity: nleftrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleq", 
+            "description": "Bad named entity: nleq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nleq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleq;", 
+            "description": "Named entity: nleq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2270"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleqq", 
+            "description": "Bad named entity: nleqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nleqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleqq;", 
+            "description": "Named entity: nleqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2266\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleqslant", 
+            "description": "Bad named entity: nleqslant without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nleqslant"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nleqslant;", 
+            "description": "Named entity: nleqslant; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7d\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nles", 
+            "description": "Bad named entity: nles without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nles"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nles;", 
+            "description": "Named entity: nles; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a7d\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nless", 
+            "description": "Bad named entity: nless without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nless"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nless;", 
+            "description": "Named entity: nless; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlsim", 
+            "description": "Bad named entity: nlsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nlsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlsim;", 
+            "description": "Named entity: nlsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2274"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlt", 
+            "description": "Bad named entity: nlt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nlt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nlt;", 
+            "description": "Named entity: nlt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nltri", 
+            "description": "Bad named entity: nltri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nltri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nltri;", 
+            "description": "Named entity: nltri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ea"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nltrie", 
+            "description": "Bad named entity: nltrie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nltrie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nltrie;", 
+            "description": "Named entity: nltrie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nmid", 
+            "description": "Bad named entity: nmid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nmid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nmid;", 
+            "description": "Named entity: nmid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2224"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nopf", 
+            "description": "Bad named entity: nopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nopf;", 
+            "description": "Named entity: nopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd5f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&not", 
+            "description": "Named entity: not without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&not;", 
+            "description": "Named entity: not; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notin;", 
+            "description": "Named entity: notin; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2209"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notinE;", 
+            "description": "Named entity: notinE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f9\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notindot;", 
+            "description": "Named entity: notindot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f5\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notinva;", 
+            "description": "Named entity: notinva; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2209"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notinvb;", 
+            "description": "Named entity: notinvb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notinvc;", 
+            "description": "Named entity: notinvc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notni;", 
+            "description": "Named entity: notni; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notniva;", 
+            "description": "Named entity: notniva; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notnivb;", 
+            "description": "Named entity: notnivb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22fe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&notnivc;", 
+            "description": "Named entity: notnivc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22fd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npar", 
+            "description": "Bad named entity: npar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&npar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npar;", 
+            "description": "Named entity: npar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2226"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nparallel", 
+            "description": "Bad named entity: nparallel without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nparallel"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nparallel;", 
+            "description": "Named entity: nparallel; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2226"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nparsl", 
+            "description": "Bad named entity: nparsl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nparsl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nparsl;", 
+            "description": "Named entity: nparsl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2afd\u20e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npart", 
+            "description": "Bad named entity: npart without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&npart"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npart;", 
+            "description": "Named entity: npart; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2202\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npolint", 
+            "description": "Bad named entity: npolint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&npolint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npolint;", 
+            "description": "Named entity: npolint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a14"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npr", 
+            "description": "Bad named entity: npr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&npr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npr;", 
+            "description": "Named entity: npr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2280"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nprcue", 
+            "description": "Bad named entity: nprcue without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nprcue"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nprcue;", 
+            "description": "Named entity: nprcue; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npre", 
+            "description": "Bad named entity: npre without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&npre"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npre;", 
+            "description": "Named entity: npre; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aaf\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nprec", 
+            "description": "Bad named entity: nprec without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nprec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nprec;", 
+            "description": "Named entity: nprec; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2280"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npreceq", 
+            "description": "Bad named entity: npreceq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&npreceq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&npreceq;", 
+            "description": "Named entity: npreceq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aaf\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrArr", 
+            "description": "Bad named entity: nrArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nrArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrArr;", 
+            "description": "Named entity: nrArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrarr", 
+            "description": "Bad named entity: nrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrarr;", 
+            "description": "Named entity: nrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrarrc", 
+            "description": "Bad named entity: nrarrc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nrarrc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrarrc;", 
+            "description": "Named entity: nrarrc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2933\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrarrw", 
+            "description": "Bad named entity: nrarrw without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nrarrw"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrarrw;", 
+            "description": "Named entity: nrarrw; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219d\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrightarrow", 
+            "description": "Bad named entity: nrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrightarrow;", 
+            "description": "Named entity: nrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrtri", 
+            "description": "Bad named entity: nrtri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nrtri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrtri;", 
+            "description": "Named entity: nrtri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrtrie", 
+            "description": "Bad named entity: nrtrie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nrtrie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nrtrie;", 
+            "description": "Named entity: nrtrie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsc", 
+            "description": "Bad named entity: nsc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsc;", 
+            "description": "Named entity: nsc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2281"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsccue", 
+            "description": "Bad named entity: nsccue without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsccue"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsccue;", 
+            "description": "Named entity: nsccue; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsce", 
+            "description": "Bad named entity: nsce without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsce;", 
+            "description": "Named entity: nsce; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab0\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nscr", 
+            "description": "Bad named entity: nscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nscr;", 
+            "description": "Named entity: nscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nshortmid", 
+            "description": "Bad named entity: nshortmid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nshortmid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nshortmid;", 
+            "description": "Named entity: nshortmid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2224"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nshortparallel", 
+            "description": "Bad named entity: nshortparallel without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nshortparallel"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nshortparallel;", 
+            "description": "Named entity: nshortparallel; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2226"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsim", 
+            "description": "Bad named entity: nsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsim;", 
+            "description": "Named entity: nsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2241"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsime", 
+            "description": "Bad named entity: nsime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsime;", 
+            "description": "Named entity: nsime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2244"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsimeq", 
+            "description": "Bad named entity: nsimeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsimeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsimeq;", 
+            "description": "Named entity: nsimeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2244"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsmid", 
+            "description": "Bad named entity: nsmid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsmid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsmid;", 
+            "description": "Named entity: nsmid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2224"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nspar", 
+            "description": "Bad named entity: nspar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nspar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nspar;", 
+            "description": "Named entity: nspar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2226"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsqsube", 
+            "description": "Bad named entity: nsqsube without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsqsube"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsqsube;", 
+            "description": "Named entity: nsqsube; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsqsupe", 
+            "description": "Bad named entity: nsqsupe without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsqsupe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsqsupe;", 
+            "description": "Named entity: nsqsupe; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsub", 
+            "description": "Bad named entity: nsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsub;", 
+            "description": "Named entity: nsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2284"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubE", 
+            "description": "Bad named entity: nsubE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsubE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubE;", 
+            "description": "Named entity: nsubE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac5\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsube", 
+            "description": "Bad named entity: nsube without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsube"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsube;", 
+            "description": "Named entity: nsube; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2288"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubset", 
+            "description": "Bad named entity: nsubset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsubset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubset;", 
+            "description": "Named entity: nsubset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2282\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubseteq", 
+            "description": "Bad named entity: nsubseteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsubseteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubseteq;", 
+            "description": "Named entity: nsubseteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2288"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubseteqq", 
+            "description": "Bad named entity: nsubseteqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsubseteqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsubseteqq;", 
+            "description": "Named entity: nsubseteqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac5\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsucc", 
+            "description": "Bad named entity: nsucc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsucc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsucc;", 
+            "description": "Named entity: nsucc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2281"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsucceq", 
+            "description": "Bad named entity: nsucceq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsucceq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsucceq;", 
+            "description": "Named entity: nsucceq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab0\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsup", 
+            "description": "Bad named entity: nsup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsup;", 
+            "description": "Named entity: nsup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2285"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupE", 
+            "description": "Bad named entity: nsupE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsupE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupE;", 
+            "description": "Named entity: nsupE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac6\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupe", 
+            "description": "Bad named entity: nsupe without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsupe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupe;", 
+            "description": "Named entity: nsupe; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2289"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupset", 
+            "description": "Bad named entity: nsupset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsupset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupset;", 
+            "description": "Named entity: nsupset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2283\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupseteq", 
+            "description": "Bad named entity: nsupseteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsupseteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupseteq;", 
+            "description": "Named entity: nsupseteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2289"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupseteqq", 
+            "description": "Bad named entity: nsupseteqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nsupseteqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nsupseteqq;", 
+            "description": "Named entity: nsupseteqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac6\u0338"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntgl", 
+            "description": "Bad named entity: ntgl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ntgl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntgl;", 
+            "description": "Named entity: ntgl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2279"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntilde", 
+            "description": "Named entity: ntilde without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntilde;", 
+            "description": "Named entity: ntilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntlg", 
+            "description": "Bad named entity: ntlg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ntlg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntlg;", 
+            "description": "Named entity: ntlg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2278"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntriangleleft", 
+            "description": "Bad named entity: ntriangleleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ntriangleleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntriangleleft;", 
+            "description": "Named entity: ntriangleleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ea"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntrianglelefteq", 
+            "description": "Bad named entity: ntrianglelefteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ntrianglelefteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntrianglelefteq;", 
+            "description": "Named entity: ntrianglelefteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntriangleright", 
+            "description": "Bad named entity: ntriangleright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ntriangleright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntriangleright;", 
+            "description": "Named entity: ntriangleright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22eb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntrianglerighteq", 
+            "description": "Bad named entity: ntrianglerighteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ntrianglerighteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ntrianglerighteq;", 
+            "description": "Named entity: ntrianglerighteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nu", 
+            "description": "Bad named entity: nu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nu;", 
+            "description": "Named entity: nu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&num", 
+            "description": "Bad named entity: num without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&num"
+                ]
+            ]
+        }, 
+        {
+            "input": "&num;", 
+            "description": "Named entity: num; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "#"
+                ]
+            ]
+        }, 
+        {
+            "input": "&numero", 
+            "description": "Bad named entity: numero without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&numero"
+                ]
+            ]
+        }, 
+        {
+            "input": "&numero;", 
+            "description": "Named entity: numero; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2116"
+                ]
+            ]
+        }, 
+        {
+            "input": "&numsp", 
+            "description": "Bad named entity: numsp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&numsp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&numsp;", 
+            "description": "Named entity: numsp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2007"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvDash", 
+            "description": "Bad named entity: nvDash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvDash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvDash;", 
+            "description": "Named entity: nvDash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvHarr", 
+            "description": "Bad named entity: nvHarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvHarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvHarr;", 
+            "description": "Named entity: nvHarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2904"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvap", 
+            "description": "Bad named entity: nvap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvap;", 
+            "description": "Named entity: nvap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u224d\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvdash", 
+            "description": "Bad named entity: nvdash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvdash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvdash;", 
+            "description": "Named entity: nvdash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvge", 
+            "description": "Bad named entity: nvge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvge;", 
+            "description": "Named entity: nvge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2265\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvgt", 
+            "description": "Bad named entity: nvgt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvgt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvgt;", 
+            "description": "Named entity: nvgt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    ">\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvinfin", 
+            "description": "Bad named entity: nvinfin without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvinfin"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvinfin;", 
+            "description": "Named entity: nvinfin; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29de"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvlArr", 
+            "description": "Bad named entity: nvlArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvlArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvlArr;", 
+            "description": "Named entity: nvlArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2902"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvle", 
+            "description": "Bad named entity: nvle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvle;", 
+            "description": "Named entity: nvle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2264\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvlt", 
+            "description": "Bad named entity: nvlt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvlt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvlt;", 
+            "description": "Named entity: nvlt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "<\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvltrie", 
+            "description": "Bad named entity: nvltrie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvltrie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvltrie;", 
+            "description": "Named entity: nvltrie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b4\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvrArr", 
+            "description": "Bad named entity: nvrArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvrArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvrArr;", 
+            "description": "Named entity: nvrArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2903"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvrtrie", 
+            "description": "Bad named entity: nvrtrie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvrtrie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvrtrie;", 
+            "description": "Named entity: nvrtrie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b5\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvsim", 
+            "description": "Bad named entity: nvsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nvsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nvsim;", 
+            "description": "Named entity: nvsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223c\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwArr", 
+            "description": "Bad named entity: nwArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nwArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwArr;", 
+            "description": "Named entity: nwArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwarhk", 
+            "description": "Bad named entity: nwarhk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nwarhk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwarhk;", 
+            "description": "Named entity: nwarhk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2923"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwarr", 
+            "description": "Bad named entity: nwarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nwarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwarr;", 
+            "description": "Named entity: nwarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2196"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwarrow", 
+            "description": "Bad named entity: nwarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nwarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwarrow;", 
+            "description": "Named entity: nwarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2196"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwnear", 
+            "description": "Bad named entity: nwnear without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&nwnear"
+                ]
+            ]
+        }, 
+        {
+            "input": "&nwnear;", 
+            "description": "Named entity: nwnear; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2927"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oS", 
+            "description": "Bad named entity: oS without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oS"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oS;", 
+            "description": "Named entity: oS; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u24c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oacute", 
+            "description": "Named entity: oacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oacute;", 
+            "description": "Named entity: oacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oast", 
+            "description": "Bad named entity: oast without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oast"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oast;", 
+            "description": "Named entity: oast; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ocir", 
+            "description": "Bad named entity: ocir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ocir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ocir;", 
+            "description": "Named entity: ocir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ocirc", 
+            "description": "Named entity: ocirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ocirc;", 
+            "description": "Named entity: ocirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ocy", 
+            "description": "Bad named entity: ocy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ocy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ocy;", 
+            "description": "Named entity: ocy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u043e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odash", 
+            "description": "Bad named entity: odash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&odash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odash;", 
+            "description": "Named entity: odash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odblac", 
+            "description": "Bad named entity: odblac without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&odblac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odblac;", 
+            "description": "Named entity: odblac; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0151"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odiv", 
+            "description": "Bad named entity: odiv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&odiv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odiv;", 
+            "description": "Named entity: odiv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a38"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odot", 
+            "description": "Bad named entity: odot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&odot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odot;", 
+            "description": "Named entity: odot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2299"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odsold", 
+            "description": "Bad named entity: odsold without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&odsold"
+                ]
+            ]
+        }, 
+        {
+            "input": "&odsold;", 
+            "description": "Named entity: odsold; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29bc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oelig", 
+            "description": "Bad named entity: oelig without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oelig"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oelig;", 
+            "description": "Named entity: oelig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0153"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ofcir", 
+            "description": "Bad named entity: ofcir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ofcir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ofcir;", 
+            "description": "Named entity: ofcir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ofr", 
+            "description": "Bad named entity: ofr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ofr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ofr;", 
+            "description": "Named entity: ofr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd2c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ogon", 
+            "description": "Bad named entity: ogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ogon;", 
+            "description": "Named entity: ogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ograve", 
+            "description": "Named entity: ograve without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ograve;", 
+            "description": "Named entity: ograve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ogt", 
+            "description": "Bad named entity: ogt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ogt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ogt;", 
+            "description": "Named entity: ogt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ohbar", 
+            "description": "Bad named entity: ohbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ohbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ohbar;", 
+            "description": "Named entity: ohbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ohm", 
+            "description": "Bad named entity: ohm without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ohm"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ohm;", 
+            "description": "Named entity: ohm; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03a9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oint", 
+            "description": "Bad named entity: oint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oint;", 
+            "description": "Named entity: oint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olarr", 
+            "description": "Bad named entity: olarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&olarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olarr;", 
+            "description": "Named entity: olarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olcir", 
+            "description": "Bad named entity: olcir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&olcir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olcir;", 
+            "description": "Named entity: olcir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olcross", 
+            "description": "Bad named entity: olcross without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&olcross"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olcross;", 
+            "description": "Named entity: olcross; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29bb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oline", 
+            "description": "Bad named entity: oline without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oline"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oline;", 
+            "description": "Named entity: oline; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u203e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olt", 
+            "description": "Bad named entity: olt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&olt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&olt;", 
+            "description": "Named entity: olt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omacr", 
+            "description": "Bad named entity: omacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&omacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omacr;", 
+            "description": "Named entity: omacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u014d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omega", 
+            "description": "Bad named entity: omega without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&omega"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omega;", 
+            "description": "Named entity: omega; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omicron", 
+            "description": "Bad named entity: omicron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&omicron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omicron;", 
+            "description": "Named entity: omicron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omid", 
+            "description": "Bad named entity: omid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&omid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&omid;", 
+            "description": "Named entity: omid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ominus", 
+            "description": "Bad named entity: ominus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ominus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ominus;", 
+            "description": "Named entity: ominus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2296"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oopf", 
+            "description": "Bad named entity: oopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oopf;", 
+            "description": "Named entity: oopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd60"
+                ]
+            ]
+        }, 
+        {
+            "input": "&opar", 
+            "description": "Bad named entity: opar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&opar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&opar;", 
+            "description": "Named entity: opar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&operp", 
+            "description": "Bad named entity: operp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&operp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&operp;", 
+            "description": "Named entity: operp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oplus", 
+            "description": "Bad named entity: oplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oplus;", 
+            "description": "Named entity: oplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2295"
+                ]
+            ]
+        }, 
+        {
+            "input": "&or", 
+            "description": "Bad named entity: or without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&or"
+                ]
+            ]
+        }, 
+        {
+            "input": "&or;", 
+            "description": "Named entity: or; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2228"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orarr", 
+            "description": "Bad named entity: orarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&orarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orarr;", 
+            "description": "Named entity: orarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ord", 
+            "description": "Bad named entity: ord without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ord"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ord;", 
+            "description": "Named entity: ord; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a5d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&order", 
+            "description": "Bad named entity: order without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&order"
+                ]
+            ]
+        }, 
+        {
+            "input": "&order;", 
+            "description": "Named entity: order; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2134"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orderof", 
+            "description": "Bad named entity: orderof without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&orderof"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orderof;", 
+            "description": "Named entity: orderof; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2134"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ordf", 
+            "description": "Named entity: ordf without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ordf;", 
+            "description": "Named entity: ordf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ordm", 
+            "description": "Named entity: ordm without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ordm;", 
+            "description": "Named entity: ordm; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&origof", 
+            "description": "Bad named entity: origof without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&origof"
+                ]
+            ]
+        }, 
+        {
+            "input": "&origof;", 
+            "description": "Named entity: origof; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oror", 
+            "description": "Bad named entity: oror without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oror"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oror;", 
+            "description": "Named entity: oror; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a56"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orslope", 
+            "description": "Bad named entity: orslope without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&orslope"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orslope;", 
+            "description": "Named entity: orslope; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a57"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orv", 
+            "description": "Bad named entity: orv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&orv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&orv;", 
+            "description": "Named entity: orv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a5b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oscr", 
+            "description": "Bad named entity: oscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&oscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oscr;", 
+            "description": "Named entity: oscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2134"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oslash", 
+            "description": "Named entity: oslash without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&oslash;", 
+            "description": "Named entity: oslash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&osol", 
+            "description": "Bad named entity: osol without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&osol"
+                ]
+            ]
+        }, 
+        {
+            "input": "&osol;", 
+            "description": "Named entity: osol; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2298"
+                ]
+            ]
+        }, 
+        {
+            "input": "&otilde", 
+            "description": "Named entity: otilde without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&otilde;", 
+            "description": "Named entity: otilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&otimes", 
+            "description": "Bad named entity: otimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&otimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&otimes;", 
+            "description": "Named entity: otimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2297"
+                ]
+            ]
+        }, 
+        {
+            "input": "&otimesas", 
+            "description": "Bad named entity: otimesas without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&otimesas"
+                ]
+            ]
+        }, 
+        {
+            "input": "&otimesas;", 
+            "description": "Named entity: otimesas; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a36"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ouml", 
+            "description": "Named entity: ouml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ouml;", 
+            "description": "Named entity: ouml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ovbar", 
+            "description": "Bad named entity: ovbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ovbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ovbar;", 
+            "description": "Named entity: ovbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u233d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&par", 
+            "description": "Bad named entity: par without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&par"
+                ]
+            ]
+        }, 
+        {
+            "input": "&par;", 
+            "description": "Named entity: par; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2225"
+                ]
+            ]
+        }, 
+        {
+            "input": "&para", 
+            "description": "Named entity: para without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&para;", 
+            "description": "Named entity: para; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&parallel;", 
+            "description": "Named entity: parallel; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2225"
+                ]
+            ]
+        }, 
+        {
+            "input": "&parsim", 
+            "description": "Bad named entity: parsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&parsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&parsim;", 
+            "description": "Named entity: parsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2af3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&parsl", 
+            "description": "Bad named entity: parsl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&parsl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&parsl;", 
+            "description": "Named entity: parsl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2afd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&part", 
+            "description": "Bad named entity: part without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&part"
+                ]
+            ]
+        }, 
+        {
+            "input": "&part;", 
+            "description": "Named entity: part; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2202"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pcy", 
+            "description": "Bad named entity: pcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pcy;", 
+            "description": "Named entity: pcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u043f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&percnt", 
+            "description": "Bad named entity: percnt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&percnt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&percnt;", 
+            "description": "Named entity: percnt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "%"
+                ]
+            ]
+        }, 
+        {
+            "input": "&period", 
+            "description": "Bad named entity: period without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&period"
+                ]
+            ]
+        }, 
+        {
+            "input": "&period;", 
+            "description": "Named entity: period; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "."
+                ]
+            ]
+        }, 
+        {
+            "input": "&permil", 
+            "description": "Bad named entity: permil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&permil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&permil;", 
+            "description": "Named entity: permil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2030"
+                ]
+            ]
+        }, 
+        {
+            "input": "&perp", 
+            "description": "Bad named entity: perp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&perp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&perp;", 
+            "description": "Named entity: perp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pertenk", 
+            "description": "Bad named entity: pertenk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pertenk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pertenk;", 
+            "description": "Named entity: pertenk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2031"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pfr", 
+            "description": "Bad named entity: pfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pfr;", 
+            "description": "Named entity: pfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd2d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phi", 
+            "description": "Bad named entity: phi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&phi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phi;", 
+            "description": "Named entity: phi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phiv", 
+            "description": "Bad named entity: phiv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&phiv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phiv;", 
+            "description": "Named entity: phiv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phmmat", 
+            "description": "Bad named entity: phmmat without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&phmmat"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phmmat;", 
+            "description": "Named entity: phmmat; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2133"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phone", 
+            "description": "Bad named entity: phone without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&phone"
+                ]
+            ]
+        }, 
+        {
+            "input": "&phone;", 
+            "description": "Named entity: phone; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u260e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pi", 
+            "description": "Bad named entity: pi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pi;", 
+            "description": "Named entity: pi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pitchfork", 
+            "description": "Bad named entity: pitchfork without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pitchfork"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pitchfork;", 
+            "description": "Named entity: pitchfork; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22d4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&piv", 
+            "description": "Bad named entity: piv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&piv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&piv;", 
+            "description": "Named entity: piv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&planck", 
+            "description": "Bad named entity: planck without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&planck"
+                ]
+            ]
+        }, 
+        {
+            "input": "&planck;", 
+            "description": "Named entity: planck; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&planckh", 
+            "description": "Bad named entity: planckh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&planckh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&planckh;", 
+            "description": "Named entity: planckh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plankv", 
+            "description": "Bad named entity: plankv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plankv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plankv;", 
+            "description": "Named entity: plankv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plus", 
+            "description": "Bad named entity: plus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plus;", 
+            "description": "Named entity: plus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "+"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusacir", 
+            "description": "Bad named entity: plusacir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plusacir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusacir;", 
+            "description": "Named entity: plusacir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a23"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusb", 
+            "description": "Bad named entity: plusb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plusb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusb;", 
+            "description": "Named entity: plusb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u229e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pluscir", 
+            "description": "Bad named entity: pluscir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pluscir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pluscir;", 
+            "description": "Named entity: pluscir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a22"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusdo", 
+            "description": "Bad named entity: plusdo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plusdo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusdo;", 
+            "description": "Named entity: plusdo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2214"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusdu", 
+            "description": "Bad named entity: plusdu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plusdu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusdu;", 
+            "description": "Named entity: plusdu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a25"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pluse", 
+            "description": "Bad named entity: pluse without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pluse"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pluse;", 
+            "description": "Named entity: pluse; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a72"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusmn", 
+            "description": "Named entity: plusmn without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plusmn;", 
+            "description": "Named entity: plusmn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plussim", 
+            "description": "Bad named entity: plussim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plussim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plussim;", 
+            "description": "Named entity: plussim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a26"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plustwo", 
+            "description": "Bad named entity: plustwo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&plustwo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&plustwo;", 
+            "description": "Named entity: plustwo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a27"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pm", 
+            "description": "Bad named entity: pm without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pm"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pm;", 
+            "description": "Named entity: pm; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pointint", 
+            "description": "Bad named entity: pointint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pointint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pointint;", 
+            "description": "Named entity: pointint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a15"
+                ]
+            ]
+        }, 
+        {
+            "input": "&popf", 
+            "description": "Bad named entity: popf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&popf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&popf;", 
+            "description": "Named entity: popf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd61"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pound", 
+            "description": "Named entity: pound without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pound;", 
+            "description": "Named entity: pound; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pr", 
+            "description": "Bad named entity: pr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pr;", 
+            "description": "Named entity: pr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prE", 
+            "description": "Bad named entity: prE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prE;", 
+            "description": "Named entity: prE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prap", 
+            "description": "Bad named entity: prap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prap;", 
+            "description": "Named entity: prap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prcue", 
+            "description": "Bad named entity: prcue without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prcue"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prcue;", 
+            "description": "Named entity: prcue; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pre", 
+            "description": "Bad named entity: pre without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pre"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pre;", 
+            "description": "Named entity: pre; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aaf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prec", 
+            "description": "Bad named entity: prec without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prec;", 
+            "description": "Named entity: prec; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precapprox", 
+            "description": "Bad named entity: precapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&precapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precapprox;", 
+            "description": "Named entity: precapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&preccurlyeq", 
+            "description": "Bad named entity: preccurlyeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&preccurlyeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&preccurlyeq;", 
+            "description": "Named entity: preccurlyeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&preceq", 
+            "description": "Bad named entity: preceq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&preceq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&preceq;", 
+            "description": "Named entity: preceq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aaf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precnapprox", 
+            "description": "Bad named entity: precnapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&precnapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precnapprox;", 
+            "description": "Named entity: precnapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precneqq", 
+            "description": "Bad named entity: precneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&precneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precneqq;", 
+            "description": "Named entity: precneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precnsim", 
+            "description": "Bad named entity: precnsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&precnsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precnsim;", 
+            "description": "Named entity: precnsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precsim", 
+            "description": "Bad named entity: precsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&precsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&precsim;", 
+            "description": "Named entity: precsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prime", 
+            "description": "Bad named entity: prime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prime;", 
+            "description": "Named entity: prime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2032"
+                ]
+            ]
+        }, 
+        {
+            "input": "&primes", 
+            "description": "Bad named entity: primes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&primes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&primes;", 
+            "description": "Named entity: primes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2119"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prnE", 
+            "description": "Bad named entity: prnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prnE;", 
+            "description": "Named entity: prnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prnap", 
+            "description": "Bad named entity: prnap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prnap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prnap;", 
+            "description": "Named entity: prnap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prnsim", 
+            "description": "Bad named entity: prnsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prnsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prnsim;", 
+            "description": "Named entity: prnsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prod", 
+            "description": "Bad named entity: prod without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prod"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prod;", 
+            "description": "Named entity: prod; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u220f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&profalar", 
+            "description": "Bad named entity: profalar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&profalar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&profalar;", 
+            "description": "Named entity: profalar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u232e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&profline", 
+            "description": "Bad named entity: profline without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&profline"
+                ]
+            ]
+        }, 
+        {
+            "input": "&profline;", 
+            "description": "Named entity: profline; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2312"
+                ]
+            ]
+        }, 
+        {
+            "input": "&profsurf", 
+            "description": "Bad named entity: profsurf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&profsurf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&profsurf;", 
+            "description": "Named entity: profsurf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2313"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prop", 
+            "description": "Bad named entity: prop without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prop"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prop;", 
+            "description": "Named entity: prop; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&propto", 
+            "description": "Bad named entity: propto without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&propto"
+                ]
+            ]
+        }, 
+        {
+            "input": "&propto;", 
+            "description": "Named entity: propto; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prsim", 
+            "description": "Bad named entity: prsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prsim;", 
+            "description": "Named entity: prsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prurel", 
+            "description": "Bad named entity: prurel without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&prurel"
+                ]
+            ]
+        }, 
+        {
+            "input": "&prurel;", 
+            "description": "Named entity: prurel; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pscr", 
+            "description": "Bad named entity: pscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&pscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&pscr;", 
+            "description": "Named entity: pscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&psi", 
+            "description": "Bad named entity: psi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&psi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&psi;", 
+            "description": "Named entity: psi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&puncsp", 
+            "description": "Bad named entity: puncsp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&puncsp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&puncsp;", 
+            "description": "Named entity: puncsp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2008"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qfr", 
+            "description": "Bad named entity: qfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&qfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qfr;", 
+            "description": "Named entity: qfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd2e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qint", 
+            "description": "Bad named entity: qint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&qint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qint;", 
+            "description": "Named entity: qint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a0c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qopf", 
+            "description": "Bad named entity: qopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&qopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qopf;", 
+            "description": "Named entity: qopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd62"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qprime", 
+            "description": "Bad named entity: qprime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&qprime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qprime;", 
+            "description": "Named entity: qprime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2057"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qscr", 
+            "description": "Bad named entity: qscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&qscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&qscr;", 
+            "description": "Named entity: qscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&quaternions", 
+            "description": "Bad named entity: quaternions without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&quaternions"
+                ]
+            ]
+        }, 
+        {
+            "input": "&quaternions;", 
+            "description": "Named entity: quaternions; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u210d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&quatint", 
+            "description": "Bad named entity: quatint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&quatint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&quatint;", 
+            "description": "Named entity: quatint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a16"
+                ]
+            ]
+        }, 
+        {
+            "input": "&quest", 
+            "description": "Bad named entity: quest without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&quest"
+                ]
+            ]
+        }, 
+        {
+            "input": "&quest;", 
+            "description": "Named entity: quest; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "?"
+                ]
+            ]
+        }, 
+        {
+            "input": "&questeq", 
+            "description": "Bad named entity: questeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&questeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&questeq;", 
+            "description": "Named entity: questeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u225f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&quot", 
+            "description": "Named entity: quot without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\""
+                ]
+            ]
+        }, 
+        {
+            "input": "&quot;", 
+            "description": "Named entity: quot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\""
+                ]
+            ]
+        }, 
+        {
+            "input": "&rAarr", 
+            "description": "Bad named entity: rAarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rAarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rAarr;", 
+            "description": "Named entity: rAarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rArr", 
+            "description": "Bad named entity: rArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rArr;", 
+            "description": "Named entity: rArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rAtail", 
+            "description": "Bad named entity: rAtail without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rAtail"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rAtail;", 
+            "description": "Named entity: rAtail; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u291c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rBarr", 
+            "description": "Bad named entity: rBarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rBarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rBarr;", 
+            "description": "Named entity: rBarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u290f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rHar", 
+            "description": "Bad named entity: rHar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rHar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rHar;", 
+            "description": "Named entity: rHar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2964"
+                ]
+            ]
+        }, 
+        {
+            "input": "&race", 
+            "description": "Bad named entity: race without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&race"
+                ]
+            ]
+        }, 
+        {
+            "input": "&race;", 
+            "description": "Named entity: race; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223d\u0331"
+                ]
+            ]
+        }, 
+        {
+            "input": "&racute", 
+            "description": "Bad named entity: racute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&racute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&racute;", 
+            "description": "Named entity: racute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0155"
+                ]
+            ]
+        }, 
+        {
+            "input": "&radic", 
+            "description": "Bad named entity: radic without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&radic"
+                ]
+            ]
+        }, 
+        {
+            "input": "&radic;", 
+            "description": "Named entity: radic; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&raemptyv", 
+            "description": "Bad named entity: raemptyv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&raemptyv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&raemptyv;", 
+            "description": "Named entity: raemptyv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rang", 
+            "description": "Bad named entity: rang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rang;", 
+            "description": "Named entity: rang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rangd", 
+            "description": "Bad named entity: rangd without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rangd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rangd;", 
+            "description": "Named entity: rangd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2992"
+                ]
+            ]
+        }, 
+        {
+            "input": "&range", 
+            "description": "Bad named entity: range without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&range"
+                ]
+            ]
+        }, 
+        {
+            "input": "&range;", 
+            "description": "Named entity: range; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rangle", 
+            "description": "Bad named entity: rangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rangle;", 
+            "description": "Named entity: rangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&raquo", 
+            "description": "Named entity: raquo without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00bb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&raquo;", 
+            "description": "Named entity: raquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00bb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarr", 
+            "description": "Bad named entity: rarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarr;", 
+            "description": "Named entity: rarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2192"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrap", 
+            "description": "Bad named entity: rarrap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrap;", 
+            "description": "Named entity: rarrap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2975"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrb", 
+            "description": "Bad named entity: rarrb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrb;", 
+            "description": "Named entity: rarrb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21e5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrbfs", 
+            "description": "Bad named entity: rarrbfs without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrbfs"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrbfs;", 
+            "description": "Named entity: rarrbfs; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2920"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrc", 
+            "description": "Bad named entity: rarrc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrc;", 
+            "description": "Named entity: rarrc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2933"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrfs", 
+            "description": "Bad named entity: rarrfs without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrfs"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrfs;", 
+            "description": "Named entity: rarrfs; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u291e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrhk", 
+            "description": "Bad named entity: rarrhk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrhk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrhk;", 
+            "description": "Named entity: rarrhk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrlp", 
+            "description": "Bad named entity: rarrlp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrlp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrlp;", 
+            "description": "Named entity: rarrlp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21ac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrpl", 
+            "description": "Bad named entity: rarrpl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrpl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrpl;", 
+            "description": "Named entity: rarrpl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2945"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrsim", 
+            "description": "Bad named entity: rarrsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrsim;", 
+            "description": "Named entity: rarrsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2974"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrtl", 
+            "description": "Bad named entity: rarrtl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrtl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrtl;", 
+            "description": "Named entity: rarrtl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrw", 
+            "description": "Bad named entity: rarrw without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rarrw"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rarrw;", 
+            "description": "Named entity: rarrw; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ratail", 
+            "description": "Bad named entity: ratail without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ratail"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ratail;", 
+            "description": "Named entity: ratail; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u291a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ratio", 
+            "description": "Bad named entity: ratio without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ratio"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ratio;", 
+            "description": "Named entity: ratio; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2236"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rationals", 
+            "description": "Bad named entity: rationals without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rationals"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rationals;", 
+            "description": "Named entity: rationals; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbarr", 
+            "description": "Bad named entity: rbarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rbarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbarr;", 
+            "description": "Named entity: rbarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u290d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbbrk", 
+            "description": "Bad named entity: rbbrk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rbbrk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbbrk;", 
+            "description": "Named entity: rbbrk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2773"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrace", 
+            "description": "Bad named entity: rbrace without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rbrace"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrace;", 
+            "description": "Named entity: rbrace; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "}"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrack", 
+            "description": "Bad named entity: rbrack without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rbrack"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrack;", 
+            "description": "Named entity: rbrack; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "]"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrke", 
+            "description": "Bad named entity: rbrke without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rbrke"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrke;", 
+            "description": "Named entity: rbrke; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u298c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrksld", 
+            "description": "Bad named entity: rbrksld without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rbrksld"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrksld;", 
+            "description": "Named entity: rbrksld; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u298e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrkslu", 
+            "description": "Bad named entity: rbrkslu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rbrkslu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rbrkslu;", 
+            "description": "Named entity: rbrkslu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2990"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcaron", 
+            "description": "Bad named entity: rcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcaron;", 
+            "description": "Named entity: rcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0159"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcedil", 
+            "description": "Bad named entity: rcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcedil;", 
+            "description": "Named entity: rcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0157"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rceil", 
+            "description": "Bad named entity: rceil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rceil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rceil;", 
+            "description": "Named entity: rceil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2309"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcub", 
+            "description": "Bad named entity: rcub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rcub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcub;", 
+            "description": "Named entity: rcub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "}"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcy", 
+            "description": "Bad named entity: rcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rcy;", 
+            "description": "Named entity: rcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0440"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdca", 
+            "description": "Bad named entity: rdca without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rdca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdca;", 
+            "description": "Named entity: rdca; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2937"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdldhar", 
+            "description": "Bad named entity: rdldhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rdldhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdldhar;", 
+            "description": "Named entity: rdldhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2969"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdquo", 
+            "description": "Bad named entity: rdquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rdquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdquo;", 
+            "description": "Named entity: rdquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdquor", 
+            "description": "Bad named entity: rdquor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rdquor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdquor;", 
+            "description": "Named entity: rdquor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdsh", 
+            "description": "Bad named entity: rdsh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rdsh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rdsh;", 
+            "description": "Named entity: rdsh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&real", 
+            "description": "Bad named entity: real without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&real"
+                ]
+            ]
+        }, 
+        {
+            "input": "&real;", 
+            "description": "Named entity: real; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&realine", 
+            "description": "Bad named entity: realine without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&realine"
+                ]
+            ]
+        }, 
+        {
+            "input": "&realine;", 
+            "description": "Named entity: realine; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&realpart", 
+            "description": "Bad named entity: realpart without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&realpart"
+                ]
+            ]
+        }, 
+        {
+            "input": "&realpart;", 
+            "description": "Named entity: realpart; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&reals", 
+            "description": "Bad named entity: reals without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&reals"
+                ]
+            ]
+        }, 
+        {
+            "input": "&reals;", 
+            "description": "Named entity: reals; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rect", 
+            "description": "Bad named entity: rect without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rect"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rect;", 
+            "description": "Named entity: rect; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&reg", 
+            "description": "Named entity: reg without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&reg;", 
+            "description": "Named entity: reg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ae"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rfisht", 
+            "description": "Bad named entity: rfisht without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rfisht"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rfisht;", 
+            "description": "Named entity: rfisht; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u297d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rfloor", 
+            "description": "Bad named entity: rfloor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rfloor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rfloor;", 
+            "description": "Named entity: rfloor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rfr", 
+            "description": "Bad named entity: rfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rfr;", 
+            "description": "Named entity: rfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd2f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rhard", 
+            "description": "Bad named entity: rhard without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rhard"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rhard;", 
+            "description": "Named entity: rhard; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rharu", 
+            "description": "Bad named entity: rharu without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rharu"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rharu;", 
+            "description": "Named entity: rharu; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rharul", 
+            "description": "Bad named entity: rharul without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rharul"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rharul;", 
+            "description": "Named entity: rharul; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rho", 
+            "description": "Bad named entity: rho without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rho"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rho;", 
+            "description": "Named entity: rho; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rhov", 
+            "description": "Bad named entity: rhov without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rhov"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rhov;", 
+            "description": "Named entity: rhov; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightarrow", 
+            "description": "Bad named entity: rightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightarrow;", 
+            "description": "Named entity: rightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2192"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightarrowtail", 
+            "description": "Bad named entity: rightarrowtail without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightarrowtail"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightarrowtail;", 
+            "description": "Named entity: rightarrowtail; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightharpoondown", 
+            "description": "Bad named entity: rightharpoondown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightharpoondown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightharpoondown;", 
+            "description": "Named entity: rightharpoondown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightharpoonup", 
+            "description": "Bad named entity: rightharpoonup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightharpoonup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightharpoonup;", 
+            "description": "Named entity: rightharpoonup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightleftarrows", 
+            "description": "Bad named entity: rightleftarrows without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightleftarrows"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightleftarrows;", 
+            "description": "Named entity: rightleftarrows; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightleftharpoons", 
+            "description": "Bad named entity: rightleftharpoons without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightleftharpoons"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightleftharpoons;", 
+            "description": "Named entity: rightleftharpoons; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightrightarrows", 
+            "description": "Bad named entity: rightrightarrows without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightrightarrows"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightrightarrows;", 
+            "description": "Named entity: rightrightarrows; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightsquigarrow", 
+            "description": "Bad named entity: rightsquigarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightsquigarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightsquigarrow;", 
+            "description": "Named entity: rightsquigarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightthreetimes", 
+            "description": "Bad named entity: rightthreetimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rightthreetimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rightthreetimes;", 
+            "description": "Named entity: rightthreetimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ring", 
+            "description": "Bad named entity: ring without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ring"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ring;", 
+            "description": "Named entity: ring; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02da"
+                ]
+            ]
+        }, 
+        {
+            "input": "&risingdotseq", 
+            "description": "Bad named entity: risingdotseq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&risingdotseq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&risingdotseq;", 
+            "description": "Named entity: risingdotseq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2253"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rlarr", 
+            "description": "Bad named entity: rlarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rlarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rlarr;", 
+            "description": "Named entity: rlarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rlhar", 
+            "description": "Bad named entity: rlhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rlhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rlhar;", 
+            "description": "Named entity: rlhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21cc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rlm", 
+            "description": "Bad named entity: rlm without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rlm"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rlm;", 
+            "description": "Named entity: rlm; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rmoust", 
+            "description": "Bad named entity: rmoust without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rmoust"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rmoust;", 
+            "description": "Named entity: rmoust; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rmoustache", 
+            "description": "Bad named entity: rmoustache without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rmoustache"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rmoustache;", 
+            "description": "Named entity: rmoustache; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rnmid", 
+            "description": "Bad named entity: rnmid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rnmid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rnmid;", 
+            "description": "Named entity: rnmid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&roang", 
+            "description": "Bad named entity: roang without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&roang"
+                ]
+            ]
+        }, 
+        {
+            "input": "&roang;", 
+            "description": "Named entity: roang; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27ed"
+                ]
+            ]
+        }, 
+        {
+            "input": "&roarr", 
+            "description": "Bad named entity: roarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&roarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&roarr;", 
+            "description": "Named entity: roarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21fe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&robrk", 
+            "description": "Bad named entity: robrk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&robrk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&robrk;", 
+            "description": "Named entity: robrk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27e7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ropar", 
+            "description": "Bad named entity: ropar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ropar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ropar;", 
+            "description": "Named entity: ropar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2986"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ropf", 
+            "description": "Bad named entity: ropf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ropf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ropf;", 
+            "description": "Named entity: ropf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd63"
+                ]
+            ]
+        }, 
+        {
+            "input": "&roplus", 
+            "description": "Bad named entity: roplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&roplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&roplus;", 
+            "description": "Named entity: roplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a2e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rotimes", 
+            "description": "Bad named entity: rotimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rotimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rotimes;", 
+            "description": "Named entity: rotimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a35"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rpar", 
+            "description": "Bad named entity: rpar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rpar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rpar;", 
+            "description": "Named entity: rpar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    ")"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rpargt", 
+            "description": "Bad named entity: rpargt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rpargt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rpargt;", 
+            "description": "Named entity: rpargt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2994"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rppolint", 
+            "description": "Bad named entity: rppolint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rppolint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rppolint;", 
+            "description": "Named entity: rppolint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a12"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rrarr", 
+            "description": "Bad named entity: rrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rrarr;", 
+            "description": "Named entity: rrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsaquo", 
+            "description": "Bad named entity: rsaquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rsaquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsaquo;", 
+            "description": "Named entity: rsaquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u203a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rscr", 
+            "description": "Bad named entity: rscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rscr;", 
+            "description": "Named entity: rscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsh", 
+            "description": "Bad named entity: rsh without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rsh"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsh;", 
+            "description": "Named entity: rsh; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21b1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsqb", 
+            "description": "Bad named entity: rsqb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rsqb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsqb;", 
+            "description": "Named entity: rsqb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "]"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsquo", 
+            "description": "Bad named entity: rsquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rsquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsquo;", 
+            "description": "Named entity: rsquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2019"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsquor", 
+            "description": "Bad named entity: rsquor without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rsquor"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rsquor;", 
+            "description": "Named entity: rsquor; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2019"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rthree", 
+            "description": "Bad named entity: rthree without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rthree"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rthree;", 
+            "description": "Named entity: rthree; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22cc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtimes", 
+            "description": "Bad named entity: rtimes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rtimes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtimes;", 
+            "description": "Named entity: rtimes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtri", 
+            "description": "Bad named entity: rtri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rtri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtri;", 
+            "description": "Named entity: rtri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtrie", 
+            "description": "Bad named entity: rtrie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rtrie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtrie;", 
+            "description": "Named entity: rtrie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtrif", 
+            "description": "Bad named entity: rtrif without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rtrif"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtrif;", 
+            "description": "Named entity: rtrif; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtriltri", 
+            "description": "Bad named entity: rtriltri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rtriltri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rtriltri;", 
+            "description": "Named entity: rtriltri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29ce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ruluhar", 
+            "description": "Bad named entity: ruluhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ruluhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ruluhar;", 
+            "description": "Named entity: ruluhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2968"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rx", 
+            "description": "Bad named entity: rx without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&rx"
+                ]
+            ]
+        }, 
+        {
+            "input": "&rx;", 
+            "description": "Named entity: rx; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u211e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sacute", 
+            "description": "Bad named entity: sacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sacute;", 
+            "description": "Named entity: sacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u015b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sbquo", 
+            "description": "Bad named entity: sbquo without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sbquo"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sbquo;", 
+            "description": "Named entity: sbquo; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u201a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sc", 
+            "description": "Bad named entity: sc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sc;", 
+            "description": "Named entity: sc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scE", 
+            "description": "Bad named entity: scE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scE;", 
+            "description": "Named entity: scE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scap", 
+            "description": "Bad named entity: scap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scap;", 
+            "description": "Named entity: scap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scaron", 
+            "description": "Bad named entity: scaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scaron;", 
+            "description": "Named entity: scaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0161"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sccue", 
+            "description": "Bad named entity: sccue without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sccue"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sccue;", 
+            "description": "Named entity: sccue; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sce", 
+            "description": "Bad named entity: sce without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sce;", 
+            "description": "Named entity: sce; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scedil", 
+            "description": "Bad named entity: scedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scedil;", 
+            "description": "Named entity: scedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u015f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scirc", 
+            "description": "Bad named entity: scirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scirc;", 
+            "description": "Named entity: scirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u015d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scnE", 
+            "description": "Bad named entity: scnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scnE;", 
+            "description": "Named entity: scnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scnap", 
+            "description": "Bad named entity: scnap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scnap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scnap;", 
+            "description": "Named entity: scnap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scnsim", 
+            "description": "Bad named entity: scnsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scnsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scnsim;", 
+            "description": "Named entity: scnsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scpolint", 
+            "description": "Bad named entity: scpolint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scpolint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scpolint;", 
+            "description": "Named entity: scpolint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a13"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scsim", 
+            "description": "Bad named entity: scsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scsim;", 
+            "description": "Named entity: scsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scy", 
+            "description": "Bad named entity: scy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&scy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&scy;", 
+            "description": "Named entity: scy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0441"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sdot", 
+            "description": "Bad named entity: sdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sdot;", 
+            "description": "Named entity: sdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sdotb", 
+            "description": "Bad named entity: sdotb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sdotb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sdotb;", 
+            "description": "Named entity: sdotb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sdote", 
+            "description": "Bad named entity: sdote without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sdote"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sdote;", 
+            "description": "Named entity: sdote; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a66"
+                ]
+            ]
+        }, 
+        {
+            "input": "&seArr", 
+            "description": "Bad named entity: seArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&seArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&seArr;", 
+            "description": "Named entity: seArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&searhk", 
+            "description": "Bad named entity: searhk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&searhk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&searhk;", 
+            "description": "Named entity: searhk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2925"
+                ]
+            ]
+        }, 
+        {
+            "input": "&searr", 
+            "description": "Bad named entity: searr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&searr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&searr;", 
+            "description": "Named entity: searr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2198"
+                ]
+            ]
+        }, 
+        {
+            "input": "&searrow", 
+            "description": "Bad named entity: searrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&searrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&searrow;", 
+            "description": "Named entity: searrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2198"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sect", 
+            "description": "Named entity: sect without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sect;", 
+            "description": "Named entity: sect; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&semi", 
+            "description": "Bad named entity: semi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&semi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&semi;", 
+            "description": "Named entity: semi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    ";"
+                ]
+            ]
+        }, 
+        {
+            "input": "&seswar", 
+            "description": "Bad named entity: seswar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&seswar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&seswar;", 
+            "description": "Named entity: seswar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2929"
+                ]
+            ]
+        }, 
+        {
+            "input": "&setminus", 
+            "description": "Bad named entity: setminus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&setminus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&setminus;", 
+            "description": "Named entity: setminus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2216"
+                ]
+            ]
+        }, 
+        {
+            "input": "&setmn", 
+            "description": "Bad named entity: setmn without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&setmn"
+                ]
+            ]
+        }, 
+        {
+            "input": "&setmn;", 
+            "description": "Named entity: setmn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2216"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sext", 
+            "description": "Bad named entity: sext without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sext"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sext;", 
+            "description": "Named entity: sext; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2736"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sfr", 
+            "description": "Bad named entity: sfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sfr;", 
+            "description": "Named entity: sfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd30"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sfrown", 
+            "description": "Bad named entity: sfrown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sfrown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sfrown;", 
+            "description": "Named entity: sfrown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2322"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sharp", 
+            "description": "Bad named entity: sharp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sharp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sharp;", 
+            "description": "Named entity: sharp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u266f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shchcy", 
+            "description": "Bad named entity: shchcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&shchcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shchcy;", 
+            "description": "Named entity: shchcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0449"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shcy", 
+            "description": "Bad named entity: shcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&shcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shcy;", 
+            "description": "Named entity: shcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0448"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shortmid", 
+            "description": "Bad named entity: shortmid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&shortmid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shortmid;", 
+            "description": "Named entity: shortmid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2223"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shortparallel", 
+            "description": "Bad named entity: shortparallel without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&shortparallel"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shortparallel;", 
+            "description": "Named entity: shortparallel; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2225"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shy", 
+            "description": "Named entity: shy without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&shy;", 
+            "description": "Named entity: shy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ad"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sigma", 
+            "description": "Bad named entity: sigma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sigma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sigma;", 
+            "description": "Named entity: sigma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sigmaf", 
+            "description": "Bad named entity: sigmaf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sigmaf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sigmaf;", 
+            "description": "Named entity: sigmaf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sigmav", 
+            "description": "Bad named entity: sigmav without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sigmav"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sigmav;", 
+            "description": "Named entity: sigmav; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sim", 
+            "description": "Bad named entity: sim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sim;", 
+            "description": "Named entity: sim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simdot", 
+            "description": "Bad named entity: simdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simdot;", 
+            "description": "Named entity: simdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a6a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sime", 
+            "description": "Bad named entity: sime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sime;", 
+            "description": "Named entity: sime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2243"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simeq", 
+            "description": "Bad named entity: simeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simeq;", 
+            "description": "Named entity: simeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2243"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simg", 
+            "description": "Bad named entity: simg without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simg"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simg;", 
+            "description": "Named entity: simg; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a9e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simgE", 
+            "description": "Bad named entity: simgE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simgE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simgE;", 
+            "description": "Named entity: simgE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aa0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&siml", 
+            "description": "Bad named entity: siml without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&siml"
+                ]
+            ]
+        }, 
+        {
+            "input": "&siml;", 
+            "description": "Named entity: siml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a9d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simlE", 
+            "description": "Bad named entity: simlE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simlE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simlE;", 
+            "description": "Named entity: simlE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a9f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simne", 
+            "description": "Bad named entity: simne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simne;", 
+            "description": "Named entity: simne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2246"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simplus", 
+            "description": "Bad named entity: simplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simplus;", 
+            "description": "Named entity: simplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a24"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simrarr", 
+            "description": "Bad named entity: simrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&simrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&simrarr;", 
+            "description": "Named entity: simrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2972"
+                ]
+            ]
+        }, 
+        {
+            "input": "&slarr", 
+            "description": "Bad named entity: slarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&slarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&slarr;", 
+            "description": "Named entity: slarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2190"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smallsetminus", 
+            "description": "Bad named entity: smallsetminus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smallsetminus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smallsetminus;", 
+            "description": "Named entity: smallsetminus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2216"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smashp", 
+            "description": "Bad named entity: smashp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smashp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smashp;", 
+            "description": "Named entity: smashp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a33"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smeparsl", 
+            "description": "Bad named entity: smeparsl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smeparsl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smeparsl;", 
+            "description": "Named entity: smeparsl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29e4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smid", 
+            "description": "Bad named entity: smid without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smid"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smid;", 
+            "description": "Named entity: smid; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2223"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smile", 
+            "description": "Bad named entity: smile without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smile"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smile;", 
+            "description": "Named entity: smile; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2323"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smt", 
+            "description": "Bad named entity: smt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smt;", 
+            "description": "Named entity: smt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aaa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smte", 
+            "description": "Bad named entity: smte without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smte"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smte;", 
+            "description": "Named entity: smte; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smtes", 
+            "description": "Bad named entity: smtes without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&smtes"
+                ]
+            ]
+        }, 
+        {
+            "input": "&smtes;", 
+            "description": "Named entity: smtes; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aac\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&softcy", 
+            "description": "Bad named entity: softcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&softcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&softcy;", 
+            "description": "Named entity: softcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u044c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sol", 
+            "description": "Bad named entity: sol without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sol"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sol;", 
+            "description": "Named entity: sol; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "/"
+                ]
+            ]
+        }, 
+        {
+            "input": "&solb", 
+            "description": "Bad named entity: solb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&solb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&solb;", 
+            "description": "Named entity: solb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&solbar", 
+            "description": "Bad named entity: solbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&solbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&solbar;", 
+            "description": "Named entity: solbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u233f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sopf", 
+            "description": "Bad named entity: sopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sopf;", 
+            "description": "Named entity: sopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd64"
+                ]
+            ]
+        }, 
+        {
+            "input": "&spades", 
+            "description": "Bad named entity: spades without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&spades"
+                ]
+            ]
+        }, 
+        {
+            "input": "&spades;", 
+            "description": "Named entity: spades; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2660"
+                ]
+            ]
+        }, 
+        {
+            "input": "&spadesuit", 
+            "description": "Bad named entity: spadesuit without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&spadesuit"
+                ]
+            ]
+        }, 
+        {
+            "input": "&spadesuit;", 
+            "description": "Named entity: spadesuit; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2660"
+                ]
+            ]
+        }, 
+        {
+            "input": "&spar", 
+            "description": "Bad named entity: spar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&spar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&spar;", 
+            "description": "Named entity: spar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2225"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcap", 
+            "description": "Bad named entity: sqcap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqcap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcap;", 
+            "description": "Named entity: sqcap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2293"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcaps", 
+            "description": "Bad named entity: sqcaps without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqcaps"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcaps;", 
+            "description": "Named entity: sqcaps; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2293\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcup", 
+            "description": "Bad named entity: sqcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcup;", 
+            "description": "Named entity: sqcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2294"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcups", 
+            "description": "Bad named entity: sqcups without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqcups"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqcups;", 
+            "description": "Named entity: sqcups; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2294\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsub", 
+            "description": "Bad named entity: sqsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsub;", 
+            "description": "Named entity: sqsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsube", 
+            "description": "Bad named entity: sqsube without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsube"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsube;", 
+            "description": "Named entity: sqsube; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2291"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsubset", 
+            "description": "Bad named entity: sqsubset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsubset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsubset;", 
+            "description": "Named entity: sqsubset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsubseteq", 
+            "description": "Bad named entity: sqsubseteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsubseteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsubseteq;", 
+            "description": "Named entity: sqsubseteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2291"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsup", 
+            "description": "Bad named entity: sqsup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsup;", 
+            "description": "Named entity: sqsup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2290"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsupe", 
+            "description": "Bad named entity: sqsupe without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsupe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsupe;", 
+            "description": "Named entity: sqsupe; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2292"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsupset", 
+            "description": "Bad named entity: sqsupset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsupset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsupset;", 
+            "description": "Named entity: sqsupset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2290"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsupseteq", 
+            "description": "Bad named entity: sqsupseteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sqsupseteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sqsupseteq;", 
+            "description": "Named entity: sqsupseteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2292"
+                ]
+            ]
+        }, 
+        {
+            "input": "&squ", 
+            "description": "Bad named entity: squ without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&squ"
+                ]
+            ]
+        }, 
+        {
+            "input": "&squ;", 
+            "description": "Named entity: squ; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&square", 
+            "description": "Bad named entity: square without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&square"
+                ]
+            ]
+        }, 
+        {
+            "input": "&square;", 
+            "description": "Named entity: square; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25a1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&squarf", 
+            "description": "Bad named entity: squarf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&squarf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&squarf;", 
+            "description": "Named entity: squarf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&squf", 
+            "description": "Bad named entity: squf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&squf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&squf;", 
+            "description": "Named entity: squf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25aa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&srarr", 
+            "description": "Bad named entity: srarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&srarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&srarr;", 
+            "description": "Named entity: srarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2192"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sscr", 
+            "description": "Bad named entity: sscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sscr;", 
+            "description": "Named entity: sscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ssetmn", 
+            "description": "Bad named entity: ssetmn without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ssetmn"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ssetmn;", 
+            "description": "Named entity: ssetmn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2216"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ssmile", 
+            "description": "Bad named entity: ssmile without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ssmile"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ssmile;", 
+            "description": "Named entity: ssmile; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2323"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sstarf", 
+            "description": "Bad named entity: sstarf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sstarf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sstarf;", 
+            "description": "Named entity: sstarf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&star", 
+            "description": "Bad named entity: star without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&star"
+                ]
+            ]
+        }, 
+        {
+            "input": "&star;", 
+            "description": "Named entity: star; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2606"
+                ]
+            ]
+        }, 
+        {
+            "input": "&starf", 
+            "description": "Bad named entity: starf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&starf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&starf;", 
+            "description": "Named entity: starf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2605"
+                ]
+            ]
+        }, 
+        {
+            "input": "&straightepsilon", 
+            "description": "Bad named entity: straightepsilon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&straightepsilon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&straightepsilon;", 
+            "description": "Named entity: straightepsilon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&straightphi", 
+            "description": "Bad named entity: straightphi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&straightphi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&straightphi;", 
+            "description": "Named entity: straightphi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&strns", 
+            "description": "Bad named entity: strns without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&strns"
+                ]
+            ]
+        }, 
+        {
+            "input": "&strns;", 
+            "description": "Named entity: strns; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00af"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sub", 
+            "description": "Bad named entity: sub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sub;", 
+            "description": "Named entity: sub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2282"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subE", 
+            "description": "Bad named entity: subE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subE;", 
+            "description": "Named entity: subE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subdot", 
+            "description": "Bad named entity: subdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subdot;", 
+            "description": "Named entity: subdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2abd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sube", 
+            "description": "Bad named entity: sube without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sube"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sube;", 
+            "description": "Named entity: sube; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2286"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subedot", 
+            "description": "Bad named entity: subedot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subedot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subedot;", 
+            "description": "Named entity: subedot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&submult", 
+            "description": "Bad named entity: submult without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&submult"
+                ]
+            ]
+        }, 
+        {
+            "input": "&submult;", 
+            "description": "Named entity: submult; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subnE", 
+            "description": "Bad named entity: subnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subnE;", 
+            "description": "Named entity: subnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subne", 
+            "description": "Bad named entity: subne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subne;", 
+            "description": "Named entity: subne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subplus", 
+            "description": "Bad named entity: subplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subplus;", 
+            "description": "Named entity: subplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2abf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subrarr", 
+            "description": "Bad named entity: subrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subrarr;", 
+            "description": "Named entity: subrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2979"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subset", 
+            "description": "Bad named entity: subset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subset;", 
+            "description": "Named entity: subset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2282"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subseteq", 
+            "description": "Bad named entity: subseteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subseteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subseteq;", 
+            "description": "Named entity: subseteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2286"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subseteqq", 
+            "description": "Bad named entity: subseteqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subseteqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subseteqq;", 
+            "description": "Named entity: subseteqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsetneq", 
+            "description": "Bad named entity: subsetneq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subsetneq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsetneq;", 
+            "description": "Named entity: subsetneq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsetneqq", 
+            "description": "Bad named entity: subsetneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subsetneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsetneqq;", 
+            "description": "Named entity: subsetneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsim", 
+            "description": "Bad named entity: subsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsim;", 
+            "description": "Named entity: subsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsub", 
+            "description": "Bad named entity: subsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsub;", 
+            "description": "Named entity: subsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsup", 
+            "description": "Bad named entity: subsup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&subsup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&subsup;", 
+            "description": "Named entity: subsup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succ", 
+            "description": "Bad named entity: succ without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succ"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succ;", 
+            "description": "Named entity: succ; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succapprox", 
+            "description": "Bad named entity: succapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succapprox;", 
+            "description": "Named entity: succapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succcurlyeq", 
+            "description": "Bad named entity: succcurlyeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succcurlyeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succcurlyeq;", 
+            "description": "Named entity: succcurlyeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succeq", 
+            "description": "Bad named entity: succeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succeq;", 
+            "description": "Named entity: succeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succnapprox", 
+            "description": "Bad named entity: succnapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succnapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succnapprox;", 
+            "description": "Named entity: succnapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2aba"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succneqq", 
+            "description": "Bad named entity: succneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succneqq;", 
+            "description": "Named entity: succneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ab6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succnsim", 
+            "description": "Bad named entity: succnsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succnsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succnsim;", 
+            "description": "Named entity: succnsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22e9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succsim", 
+            "description": "Bad named entity: succsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&succsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&succsim;", 
+            "description": "Named entity: succsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u227f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sum", 
+            "description": "Bad named entity: sum without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sum"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sum;", 
+            "description": "Named entity: sum; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2211"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sung", 
+            "description": "Bad named entity: sung without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sung"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sung;", 
+            "description": "Named entity: sung; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u266a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup", 
+            "description": "Bad named entity: sup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&sup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup1", 
+            "description": "Named entity: sup1 without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup1;", 
+            "description": "Named entity: sup1; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup2", 
+            "description": "Named entity: sup2 without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup2;", 
+            "description": "Named entity: sup2; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup3", 
+            "description": "Named entity: sup3 without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup3;", 
+            "description": "Named entity: sup3; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&sup;", 
+            "description": "Named entity: sup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2283"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supE", 
+            "description": "Bad named entity: supE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supE;", 
+            "description": "Named entity: supE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supdot", 
+            "description": "Bad named entity: supdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supdot;", 
+            "description": "Named entity: supdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2abe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supdsub", 
+            "description": "Bad named entity: supdsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supdsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supdsub;", 
+            "description": "Named entity: supdsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supe", 
+            "description": "Bad named entity: supe without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supe;", 
+            "description": "Named entity: supe; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2287"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supedot", 
+            "description": "Bad named entity: supedot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supedot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supedot;", 
+            "description": "Named entity: supedot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&suphsol", 
+            "description": "Bad named entity: suphsol without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&suphsol"
+                ]
+            ]
+        }, 
+        {
+            "input": "&suphsol;", 
+            "description": "Named entity: suphsol; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27c9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&suphsub", 
+            "description": "Bad named entity: suphsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&suphsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&suphsub;", 
+            "description": "Named entity: suphsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&suplarr", 
+            "description": "Bad named entity: suplarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&suplarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&suplarr;", 
+            "description": "Named entity: suplarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u297b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supmult", 
+            "description": "Bad named entity: supmult without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supmult"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supmult;", 
+            "description": "Named entity: supmult; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supnE", 
+            "description": "Bad named entity: supnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supnE;", 
+            "description": "Named entity: supnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supne", 
+            "description": "Bad named entity: supne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supne;", 
+            "description": "Named entity: supne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supplus", 
+            "description": "Bad named entity: supplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supplus;", 
+            "description": "Named entity: supplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supset", 
+            "description": "Bad named entity: supset without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supset"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supset;", 
+            "description": "Named entity: supset; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2283"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supseteq", 
+            "description": "Bad named entity: supseteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supseteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supseteq;", 
+            "description": "Named entity: supseteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2287"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supseteqq", 
+            "description": "Bad named entity: supseteqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supseteqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supseteqq;", 
+            "description": "Named entity: supseteqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsetneq", 
+            "description": "Bad named entity: supsetneq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supsetneq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsetneq;", 
+            "description": "Named entity: supsetneq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsetneqq", 
+            "description": "Bad named entity: supsetneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supsetneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsetneqq;", 
+            "description": "Named entity: supsetneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsim", 
+            "description": "Bad named entity: supsim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supsim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsim;", 
+            "description": "Named entity: supsim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ac8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsub", 
+            "description": "Bad named entity: supsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsub;", 
+            "description": "Named entity: supsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsup", 
+            "description": "Bad named entity: supsup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&supsup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&supsup;", 
+            "description": "Named entity: supsup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ad6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swArr", 
+            "description": "Bad named entity: swArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&swArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swArr;", 
+            "description": "Named entity: swArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swarhk", 
+            "description": "Bad named entity: swarhk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&swarhk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swarhk;", 
+            "description": "Named entity: swarhk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2926"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swarr", 
+            "description": "Bad named entity: swarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&swarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swarr;", 
+            "description": "Named entity: swarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2199"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swarrow", 
+            "description": "Bad named entity: swarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&swarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swarrow;", 
+            "description": "Named entity: swarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2199"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swnwar", 
+            "description": "Bad named entity: swnwar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&swnwar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&swnwar;", 
+            "description": "Named entity: swnwar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u292a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&szlig", 
+            "description": "Named entity: szlig without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00df"
+                ]
+            ]
+        }, 
+        {
+            "input": "&szlig;", 
+            "description": "Named entity: szlig; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00df"
+                ]
+            ]
+        }, 
+        {
+            "input": "&target", 
+            "description": "Bad named entity: target without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&target"
+                ]
+            ]
+        }, 
+        {
+            "input": "&target;", 
+            "description": "Named entity: target; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2316"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tau", 
+            "description": "Bad named entity: tau without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tau"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tau;", 
+            "description": "Named entity: tau; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tbrk", 
+            "description": "Bad named entity: tbrk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tbrk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tbrk;", 
+            "description": "Named entity: tbrk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tcaron", 
+            "description": "Bad named entity: tcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tcaron;", 
+            "description": "Named entity: tcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0165"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tcedil", 
+            "description": "Bad named entity: tcedil without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tcedil"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tcedil;", 
+            "description": "Named entity: tcedil; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0163"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tcy", 
+            "description": "Bad named entity: tcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tcy;", 
+            "description": "Named entity: tcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0442"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tdot", 
+            "description": "Bad named entity: tdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tdot;", 
+            "description": "Named entity: tdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u20db"
+                ]
+            ]
+        }, 
+        {
+            "input": "&telrec", 
+            "description": "Bad named entity: telrec without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&telrec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&telrec;", 
+            "description": "Named entity: telrec; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2315"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tfr", 
+            "description": "Bad named entity: tfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tfr;", 
+            "description": "Named entity: tfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd31"
+                ]
+            ]
+        }, 
+        {
+            "input": "&there4", 
+            "description": "Bad named entity: there4 without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&there4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&there4;", 
+            "description": "Named entity: there4; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2234"
+                ]
+            ]
+        }, 
+        {
+            "input": "&therefore", 
+            "description": "Bad named entity: therefore without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&therefore"
+                ]
+            ]
+        }, 
+        {
+            "input": "&therefore;", 
+            "description": "Named entity: therefore; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2234"
+                ]
+            ]
+        }, 
+        {
+            "input": "&theta", 
+            "description": "Bad named entity: theta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&theta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&theta;", 
+            "description": "Named entity: theta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thetasym", 
+            "description": "Bad named entity: thetasym without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&thetasym"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thetasym;", 
+            "description": "Named entity: thetasym; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thetav", 
+            "description": "Bad named entity: thetav without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&thetav"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thetav;", 
+            "description": "Named entity: thetav; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thickapprox", 
+            "description": "Bad named entity: thickapprox without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&thickapprox"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thickapprox;", 
+            "description": "Named entity: thickapprox; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2248"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thicksim", 
+            "description": "Bad named entity: thicksim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&thicksim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thicksim;", 
+            "description": "Named entity: thicksim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thinsp", 
+            "description": "Bad named entity: thinsp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&thinsp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thinsp;", 
+            "description": "Named entity: thinsp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2009"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thkap", 
+            "description": "Bad named entity: thkap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&thkap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thkap;", 
+            "description": "Named entity: thkap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2248"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thksim", 
+            "description": "Bad named entity: thksim without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&thksim"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thksim;", 
+            "description": "Named entity: thksim; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u223c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thorn", 
+            "description": "Named entity: thorn without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00fe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&thorn;", 
+            "description": "Named entity: thorn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00fe"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tilde", 
+            "description": "Bad named entity: tilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tilde;", 
+            "description": "Named entity: tilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u02dc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&times", 
+            "description": "Named entity: times without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00d7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&times;", 
+            "description": "Named entity: times; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00d7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&timesb;", 
+            "description": "Named entity: timesb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&timesbar;", 
+            "description": "Named entity: timesbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a31"
+                ]
+            ]
+        }, 
+        {
+            "input": "&timesd;", 
+            "description": "Named entity: timesd; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a30"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tint", 
+            "description": "Bad named entity: tint without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tint"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tint;", 
+            "description": "Named entity: tint; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u222d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&toea", 
+            "description": "Bad named entity: toea without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&toea"
+                ]
+            ]
+        }, 
+        {
+            "input": "&toea;", 
+            "description": "Named entity: toea; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2928"
+                ]
+            ]
+        }, 
+        {
+            "input": "&top", 
+            "description": "Bad named entity: top without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&top"
+                ]
+            ]
+        }, 
+        {
+            "input": "&top;", 
+            "description": "Named entity: top; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topbot", 
+            "description": "Bad named entity: topbot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&topbot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topbot;", 
+            "description": "Named entity: topbot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2336"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topcir", 
+            "description": "Bad named entity: topcir without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&topcir"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topcir;", 
+            "description": "Named entity: topcir; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2af1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topf", 
+            "description": "Bad named entity: topf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&topf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topf;", 
+            "description": "Named entity: topf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd65"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topfork", 
+            "description": "Bad named entity: topfork without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&topfork"
+                ]
+            ]
+        }, 
+        {
+            "input": "&topfork;", 
+            "description": "Named entity: topfork; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ada"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tosa", 
+            "description": "Bad named entity: tosa without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tosa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tosa;", 
+            "description": "Named entity: tosa; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2929"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tprime", 
+            "description": "Bad named entity: tprime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tprime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tprime;", 
+            "description": "Named entity: tprime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2034"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trade", 
+            "description": "Bad named entity: trade without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&trade"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trade;", 
+            "description": "Named entity: trade; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2122"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangle", 
+            "description": "Bad named entity: triangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&triangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangle;", 
+            "description": "Named entity: triangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangledown", 
+            "description": "Bad named entity: triangledown without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&triangledown"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangledown;", 
+            "description": "Named entity: triangledown; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangleleft", 
+            "description": "Bad named entity: triangleleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&triangleleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangleleft;", 
+            "description": "Named entity: triangleleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trianglelefteq", 
+            "description": "Bad named entity: trianglelefteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&trianglelefteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trianglelefteq;", 
+            "description": "Named entity: trianglelefteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangleq", 
+            "description": "Bad named entity: triangleq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&triangleq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangleq;", 
+            "description": "Named entity: triangleq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u225c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangleright", 
+            "description": "Bad named entity: triangleright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&triangleright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triangleright;", 
+            "description": "Named entity: triangleright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trianglerighteq", 
+            "description": "Bad named entity: trianglerighteq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&trianglerighteq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trianglerighteq;", 
+            "description": "Named entity: trianglerighteq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tridot", 
+            "description": "Bad named entity: tridot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tridot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tridot;", 
+            "description": "Named entity: tridot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ec"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trie", 
+            "description": "Bad named entity: trie without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&trie"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trie;", 
+            "description": "Named entity: trie; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u225c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triminus", 
+            "description": "Bad named entity: triminus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&triminus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triminus;", 
+            "description": "Named entity: triminus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a3a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triplus", 
+            "description": "Bad named entity: triplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&triplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&triplus;", 
+            "description": "Named entity: triplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a39"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trisb", 
+            "description": "Bad named entity: trisb without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&trisb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trisb;", 
+            "description": "Named entity: trisb; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29cd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tritime", 
+            "description": "Bad named entity: tritime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tritime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tritime;", 
+            "description": "Named entity: tritime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a3b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trpezium", 
+            "description": "Bad named entity: trpezium without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&trpezium"
+                ]
+            ]
+        }, 
+        {
+            "input": "&trpezium;", 
+            "description": "Named entity: trpezium; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u23e2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tscr", 
+            "description": "Bad named entity: tscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tscr;", 
+            "description": "Named entity: tscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcc9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tscy", 
+            "description": "Bad named entity: tscy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tscy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tscy;", 
+            "description": "Named entity: tscy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0446"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tshcy", 
+            "description": "Bad named entity: tshcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tshcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tshcy;", 
+            "description": "Named entity: tshcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u045b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tstrok", 
+            "description": "Bad named entity: tstrok without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&tstrok"
+                ]
+            ]
+        }, 
+        {
+            "input": "&tstrok;", 
+            "description": "Named entity: tstrok; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0167"
+                ]
+            ]
+        }, 
+        {
+            "input": "&twixt", 
+            "description": "Bad named entity: twixt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&twixt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&twixt;", 
+            "description": "Named entity: twixt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u226c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&twoheadleftarrow", 
+            "description": "Bad named entity: twoheadleftarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&twoheadleftarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&twoheadleftarrow;", 
+            "description": "Named entity: twoheadleftarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u219e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&twoheadrightarrow", 
+            "description": "Bad named entity: twoheadrightarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&twoheadrightarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&twoheadrightarrow;", 
+            "description": "Named entity: twoheadrightarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21a0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uArr", 
+            "description": "Bad named entity: uArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uArr;", 
+            "description": "Named entity: uArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uHar", 
+            "description": "Bad named entity: uHar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uHar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uHar;", 
+            "description": "Named entity: uHar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2963"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uacute", 
+            "description": "Named entity: uacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00fa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uacute;", 
+            "description": "Named entity: uacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00fa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uarr", 
+            "description": "Bad named entity: uarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uarr;", 
+            "description": "Named entity: uarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2191"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ubrcy", 
+            "description": "Bad named entity: ubrcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ubrcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ubrcy;", 
+            "description": "Named entity: ubrcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u045e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ubreve", 
+            "description": "Bad named entity: ubreve without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ubreve"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ubreve;", 
+            "description": "Named entity: ubreve; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u016d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ucirc", 
+            "description": "Named entity: ucirc without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00fb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ucirc;", 
+            "description": "Named entity: ucirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00fb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ucy", 
+            "description": "Bad named entity: ucy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ucy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ucy;", 
+            "description": "Named entity: ucy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0443"
+                ]
+            ]
+        }, 
+        {
+            "input": "&udarr", 
+            "description": "Bad named entity: udarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&udarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&udarr;", 
+            "description": "Named entity: udarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&udblac", 
+            "description": "Bad named entity: udblac without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&udblac"
+                ]
+            ]
+        }, 
+        {
+            "input": "&udblac;", 
+            "description": "Named entity: udblac; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0171"
+                ]
+            ]
+        }, 
+        {
+            "input": "&udhar", 
+            "description": "Bad named entity: udhar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&udhar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&udhar;", 
+            "description": "Named entity: udhar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u296e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ufisht", 
+            "description": "Bad named entity: ufisht without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ufisht"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ufisht;", 
+            "description": "Named entity: ufisht; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u297e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ufr", 
+            "description": "Bad named entity: ufr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ufr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ufr;", 
+            "description": "Named entity: ufr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd32"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ugrave", 
+            "description": "Named entity: ugrave without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00f9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ugrave;", 
+            "description": "Named entity: ugrave; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00f9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uharl", 
+            "description": "Bad named entity: uharl without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uharl"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uharl;", 
+            "description": "Named entity: uharl; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uharr", 
+            "description": "Bad named entity: uharr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uharr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uharr;", 
+            "description": "Named entity: uharr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uhblk", 
+            "description": "Bad named entity: uhblk without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uhblk"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uhblk;", 
+            "description": "Named entity: uhblk; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2580"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ulcorn", 
+            "description": "Bad named entity: ulcorn without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ulcorn"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ulcorn;", 
+            "description": "Named entity: ulcorn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ulcorner", 
+            "description": "Bad named entity: ulcorner without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ulcorner"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ulcorner;", 
+            "description": "Named entity: ulcorner; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ulcrop", 
+            "description": "Bad named entity: ulcrop without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ulcrop"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ulcrop;", 
+            "description": "Named entity: ulcrop; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ultri", 
+            "description": "Bad named entity: ultri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ultri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ultri;", 
+            "description": "Named entity: ultri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25f8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&umacr", 
+            "description": "Bad named entity: umacr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&umacr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&umacr;", 
+            "description": "Named entity: umacr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u016b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uml", 
+            "description": "Named entity: uml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uml;", 
+            "description": "Named entity: uml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uogon", 
+            "description": "Bad named entity: uogon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uogon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uogon;", 
+            "description": "Named entity: uogon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0173"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uopf", 
+            "description": "Bad named entity: uopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uopf;", 
+            "description": "Named entity: uopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd66"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uparrow", 
+            "description": "Bad named entity: uparrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uparrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uparrow;", 
+            "description": "Named entity: uparrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2191"
+                ]
+            ]
+        }, 
+        {
+            "input": "&updownarrow", 
+            "description": "Bad named entity: updownarrow without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&updownarrow"
+                ]
+            ]
+        }, 
+        {
+            "input": "&updownarrow;", 
+            "description": "Named entity: updownarrow; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2195"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upharpoonleft", 
+            "description": "Bad named entity: upharpoonleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&upharpoonleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upharpoonleft;", 
+            "description": "Named entity: upharpoonleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21bf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upharpoonright", 
+            "description": "Bad named entity: upharpoonright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&upharpoonright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upharpoonright;", 
+            "description": "Named entity: upharpoonright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uplus", 
+            "description": "Bad named entity: uplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uplus;", 
+            "description": "Named entity: uplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upsi", 
+            "description": "Bad named entity: upsi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&upsi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upsi;", 
+            "description": "Named entity: upsi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upsih", 
+            "description": "Bad named entity: upsih without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&upsih"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upsih;", 
+            "description": "Named entity: upsih; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upsilon", 
+            "description": "Bad named entity: upsilon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&upsilon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upsilon;", 
+            "description": "Named entity: upsilon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upuparrows", 
+            "description": "Bad named entity: upuparrows without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&upuparrows"
+                ]
+            ]
+        }, 
+        {
+            "input": "&upuparrows;", 
+            "description": "Named entity: upuparrows; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urcorn", 
+            "description": "Bad named entity: urcorn without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&urcorn"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urcorn;", 
+            "description": "Named entity: urcorn; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urcorner", 
+            "description": "Bad named entity: urcorner without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&urcorner"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urcorner;", 
+            "description": "Named entity: urcorner; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u231d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urcrop", 
+            "description": "Bad named entity: urcrop without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&urcrop"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urcrop;", 
+            "description": "Named entity: urcrop; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u230e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uring", 
+            "description": "Bad named entity: uring without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uring"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uring;", 
+            "description": "Named entity: uring; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u016f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urtri", 
+            "description": "Bad named entity: urtri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&urtri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&urtri;", 
+            "description": "Named entity: urtri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25f9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uscr", 
+            "description": "Bad named entity: uscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uscr;", 
+            "description": "Named entity: uscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcca"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utdot", 
+            "description": "Bad named entity: utdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&utdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utdot;", 
+            "description": "Named entity: utdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22f0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utilde", 
+            "description": "Bad named entity: utilde without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&utilde"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utilde;", 
+            "description": "Named entity: utilde; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0169"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utri", 
+            "description": "Bad named entity: utri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&utri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utri;", 
+            "description": "Named entity: utri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utrif", 
+            "description": "Bad named entity: utrif without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&utrif"
+                ]
+            ]
+        }, 
+        {
+            "input": "&utrif;", 
+            "description": "Named entity: utrif; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b4"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uuarr", 
+            "description": "Bad named entity: uuarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uuarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uuarr;", 
+            "description": "Named entity: uuarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21c8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uuml", 
+            "description": "Named entity: uuml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00fc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uuml;", 
+            "description": "Named entity: uuml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00fc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uwangle", 
+            "description": "Bad named entity: uwangle without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&uwangle"
+                ]
+            ]
+        }, 
+        {
+            "input": "&uwangle;", 
+            "description": "Named entity: uwangle; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u29a7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vArr", 
+            "description": "Bad named entity: vArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vArr;", 
+            "description": "Named entity: vArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vBar", 
+            "description": "Bad named entity: vBar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vBar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vBar;", 
+            "description": "Named entity: vBar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ae8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vBarv", 
+            "description": "Bad named entity: vBarv without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vBarv"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vBarv;", 
+            "description": "Named entity: vBarv; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2ae9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vDash", 
+            "description": "Bad named entity: vDash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vDash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vDash;", 
+            "description": "Named entity: vDash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vangrt", 
+            "description": "Bad named entity: vangrt without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vangrt"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vangrt;", 
+            "description": "Named entity: vangrt; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u299c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varepsilon", 
+            "description": "Bad named entity: varepsilon without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varepsilon"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varepsilon;", 
+            "description": "Named entity: varepsilon; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varkappa", 
+            "description": "Bad named entity: varkappa without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varkappa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varkappa;", 
+            "description": "Named entity: varkappa; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varnothing", 
+            "description": "Bad named entity: varnothing without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varnothing"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varnothing;", 
+            "description": "Named entity: varnothing; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2205"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varphi", 
+            "description": "Bad named entity: varphi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varphi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varphi;", 
+            "description": "Named entity: varphi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varpi", 
+            "description": "Bad named entity: varpi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varpi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varpi;", 
+            "description": "Named entity: varpi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varpropto", 
+            "description": "Bad named entity: varpropto without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varpropto"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varpropto;", 
+            "description": "Named entity: varpropto; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varr", 
+            "description": "Bad named entity: varr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varr;", 
+            "description": "Named entity: varr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2195"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varrho", 
+            "description": "Bad named entity: varrho without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varrho"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varrho;", 
+            "description": "Named entity: varrho; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03f1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsigma", 
+            "description": "Bad named entity: varsigma without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varsigma"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsigma;", 
+            "description": "Named entity: varsigma; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsubsetneq", 
+            "description": "Bad named entity: varsubsetneq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varsubsetneq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsubsetneq;", 
+            "description": "Named entity: varsubsetneq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228a\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsubsetneqq", 
+            "description": "Bad named entity: varsubsetneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varsubsetneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsubsetneqq;", 
+            "description": "Named entity: varsubsetneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acb\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsupsetneq", 
+            "description": "Bad named entity: varsupsetneq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varsupsetneq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsupsetneq;", 
+            "description": "Named entity: varsupsetneq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228b\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsupsetneqq", 
+            "description": "Bad named entity: varsupsetneqq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&varsupsetneqq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&varsupsetneqq;", 
+            "description": "Named entity: varsupsetneqq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acc\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vartheta", 
+            "description": "Bad named entity: vartheta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vartheta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vartheta;", 
+            "description": "Named entity: vartheta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03d1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vartriangleleft", 
+            "description": "Bad named entity: vartriangleleft without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vartriangleleft"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vartriangleleft;", 
+            "description": "Named entity: vartriangleleft; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vartriangleright", 
+            "description": "Bad named entity: vartriangleright without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vartriangleright"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vartriangleright;", 
+            "description": "Named entity: vartriangleright; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vcy", 
+            "description": "Bad named entity: vcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vcy;", 
+            "description": "Named entity: vcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0432"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vdash", 
+            "description": "Bad named entity: vdash without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vdash"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vdash;", 
+            "description": "Named entity: vdash; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22a2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vee", 
+            "description": "Bad named entity: vee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vee;", 
+            "description": "Named entity: vee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2228"
+                ]
+            ]
+        }, 
+        {
+            "input": "&veebar", 
+            "description": "Bad named entity: veebar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&veebar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&veebar;", 
+            "description": "Named entity: veebar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22bb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&veeeq", 
+            "description": "Bad named entity: veeeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&veeeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&veeeq;", 
+            "description": "Named entity: veeeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u225a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vellip", 
+            "description": "Bad named entity: vellip without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vellip"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vellip;", 
+            "description": "Named entity: vellip; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22ee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&verbar", 
+            "description": "Bad named entity: verbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&verbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&verbar;", 
+            "description": "Named entity: verbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "|"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vert", 
+            "description": "Bad named entity: vert without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vert"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vert;", 
+            "description": "Named entity: vert; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "|"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vfr", 
+            "description": "Bad named entity: vfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vfr;", 
+            "description": "Named entity: vfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd33"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vltri", 
+            "description": "Bad named entity: vltri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vltri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vltri;", 
+            "description": "Named entity: vltri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vnsub", 
+            "description": "Bad named entity: vnsub without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vnsub"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vnsub;", 
+            "description": "Named entity: vnsub; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2282\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vnsup", 
+            "description": "Bad named entity: vnsup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vnsup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vnsup;", 
+            "description": "Named entity: vnsup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2283\u20d2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vopf", 
+            "description": "Bad named entity: vopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vopf;", 
+            "description": "Named entity: vopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd67"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vprop", 
+            "description": "Bad named entity: vprop without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vprop"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vprop;", 
+            "description": "Named entity: vprop; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u221d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vrtri", 
+            "description": "Bad named entity: vrtri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vrtri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vrtri;", 
+            "description": "Named entity: vrtri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vscr", 
+            "description": "Bad named entity: vscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vscr;", 
+            "description": "Named entity: vscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udccb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsubnE", 
+            "description": "Bad named entity: vsubnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vsubnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsubnE;", 
+            "description": "Named entity: vsubnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acb\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsubne", 
+            "description": "Bad named entity: vsubne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vsubne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsubne;", 
+            "description": "Named entity: vsubne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228a\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsupnE", 
+            "description": "Bad named entity: vsupnE without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vsupnE"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsupnE;", 
+            "description": "Named entity: vsupnE; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2acc\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsupne", 
+            "description": "Bad named entity: vsupne without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vsupne"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vsupne;", 
+            "description": "Named entity: vsupne; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u228b\ufe00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vzigzag", 
+            "description": "Bad named entity: vzigzag without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&vzigzag"
+                ]
+            ]
+        }, 
+        {
+            "input": "&vzigzag;", 
+            "description": "Named entity: vzigzag; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u299a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wcirc", 
+            "description": "Bad named entity: wcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wcirc;", 
+            "description": "Named entity: wcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0175"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wedbar", 
+            "description": "Bad named entity: wedbar without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wedbar"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wedbar;", 
+            "description": "Named entity: wedbar; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a5f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wedge", 
+            "description": "Bad named entity: wedge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wedge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wedge;", 
+            "description": "Named entity: wedge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2227"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wedgeq", 
+            "description": "Bad named entity: wedgeq without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wedgeq"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wedgeq;", 
+            "description": "Named entity: wedgeq; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2259"
+                ]
+            ]
+        }, 
+        {
+            "input": "&weierp", 
+            "description": "Bad named entity: weierp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&weierp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&weierp;", 
+            "description": "Named entity: weierp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2118"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wfr", 
+            "description": "Bad named entity: wfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wfr;", 
+            "description": "Named entity: wfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd34"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wopf", 
+            "description": "Bad named entity: wopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wopf;", 
+            "description": "Named entity: wopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd68"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wp", 
+            "description": "Bad named entity: wp without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wp"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wp;", 
+            "description": "Named entity: wp; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2118"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wr", 
+            "description": "Bad named entity: wr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wr;", 
+            "description": "Named entity: wr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2240"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wreath", 
+            "description": "Bad named entity: wreath without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wreath"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wreath;", 
+            "description": "Named entity: wreath; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2240"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wscr", 
+            "description": "Bad named entity: wscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&wscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&wscr;", 
+            "description": "Named entity: wscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udccc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xcap", 
+            "description": "Bad named entity: xcap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xcap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xcap;", 
+            "description": "Named entity: xcap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c2"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xcirc", 
+            "description": "Bad named entity: xcirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xcirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xcirc;", 
+            "description": "Named entity: xcirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25ef"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xcup", 
+            "description": "Bad named entity: xcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xcup;", 
+            "description": "Named entity: xcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xdtri", 
+            "description": "Bad named entity: xdtri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xdtri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xdtri;", 
+            "description": "Named entity: xdtri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25bd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xfr", 
+            "description": "Bad named entity: xfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xfr;", 
+            "description": "Named entity: xfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd35"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xhArr", 
+            "description": "Bad named entity: xhArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xhArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xhArr;", 
+            "description": "Named entity: xhArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27fa"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xharr", 
+            "description": "Bad named entity: xharr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xharr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xharr;", 
+            "description": "Named entity: xharr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f7"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xi", 
+            "description": "Bad named entity: xi without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xi"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xi;", 
+            "description": "Named entity: xi; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03be"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xlArr", 
+            "description": "Bad named entity: xlArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xlArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xlArr;", 
+            "description": "Named entity: xlArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f8"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xlarr", 
+            "description": "Bad named entity: xlarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xlarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xlarr;", 
+            "description": "Named entity: xlarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xmap", 
+            "description": "Bad named entity: xmap without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xmap"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xmap;", 
+            "description": "Named entity: xmap; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27fc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xnis", 
+            "description": "Bad named entity: xnis without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xnis"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xnis;", 
+            "description": "Named entity: xnis; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22fb"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xodot", 
+            "description": "Bad named entity: xodot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xodot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xodot;", 
+            "description": "Named entity: xodot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a00"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xopf", 
+            "description": "Bad named entity: xopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xopf;", 
+            "description": "Named entity: xopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd69"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xoplus", 
+            "description": "Bad named entity: xoplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xoplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xoplus;", 
+            "description": "Named entity: xoplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a01"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xotime", 
+            "description": "Bad named entity: xotime without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xotime"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xotime;", 
+            "description": "Named entity: xotime; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a02"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xrArr", 
+            "description": "Bad named entity: xrArr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xrArr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xrArr;", 
+            "description": "Named entity: xrArr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f9"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xrarr", 
+            "description": "Bad named entity: xrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xrarr;", 
+            "description": "Named entity: xrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u27f6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xscr", 
+            "description": "Bad named entity: xscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xscr;", 
+            "description": "Named entity: xscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udccd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xsqcup", 
+            "description": "Bad named entity: xsqcup without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xsqcup"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xsqcup;", 
+            "description": "Named entity: xsqcup; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a06"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xuplus", 
+            "description": "Bad named entity: xuplus without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xuplus"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xuplus;", 
+            "description": "Named entity: xuplus; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2a04"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xutri", 
+            "description": "Bad named entity: xutri without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xutri"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xutri;", 
+            "description": "Named entity: xutri; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u25b3"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xvee", 
+            "description": "Bad named entity: xvee without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xvee"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xvee;", 
+            "description": "Named entity: xvee; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c1"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xwedge", 
+            "description": "Bad named entity: xwedge without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&xwedge"
+                ]
+            ]
+        }, 
+        {
+            "input": "&xwedge;", 
+            "description": "Named entity: xwedge; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u22c0"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yacute", 
+            "description": "Named entity: yacute without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00fd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yacute;", 
+            "description": "Named entity: yacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00fd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yacy", 
+            "description": "Bad named entity: yacy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&yacy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yacy;", 
+            "description": "Named entity: yacy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u044f"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ycirc", 
+            "description": "Bad named entity: ycirc without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ycirc"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ycirc;", 
+            "description": "Named entity: ycirc; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0177"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ycy", 
+            "description": "Bad named entity: ycy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&ycy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&ycy;", 
+            "description": "Named entity: ycy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u044b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yen", 
+            "description": "Named entity: yen without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yen;", 
+            "description": "Named entity: yen; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00a5"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yfr", 
+            "description": "Bad named entity: yfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&yfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yfr;", 
+            "description": "Named entity: yfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd36"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yicy", 
+            "description": "Bad named entity: yicy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&yicy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yicy;", 
+            "description": "Named entity: yicy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0457"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yopf", 
+            "description": "Bad named entity: yopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&yopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yopf;", 
+            "description": "Named entity: yopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd6a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yscr", 
+            "description": "Bad named entity: yscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&yscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yscr;", 
+            "description": "Named entity: yscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udcce"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yucy", 
+            "description": "Bad named entity: yucy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&yucy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yucy;", 
+            "description": "Named entity: yucy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u044e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yuml", 
+            "description": "Named entity: yuml without a semi-colon", 
+            "output": [
+                "ParseError", 
+                [
+                    "Character", 
+                    "\u00ff"
+                ]
+            ]
+        }, 
+        {
+            "input": "&yuml;", 
+            "description": "Named entity: yuml; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u00ff"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zacute", 
+            "description": "Bad named entity: zacute without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zacute"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zacute;", 
+            "description": "Named entity: zacute; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u017a"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zcaron", 
+            "description": "Bad named entity: zcaron without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zcaron"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zcaron;", 
+            "description": "Named entity: zcaron; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u017e"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zcy", 
+            "description": "Bad named entity: zcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zcy;", 
+            "description": "Named entity: zcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0437"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zdot", 
+            "description": "Bad named entity: zdot without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zdot"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zdot;", 
+            "description": "Named entity: zdot; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u017c"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zeetrf", 
+            "description": "Bad named entity: zeetrf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zeetrf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zeetrf;", 
+            "description": "Named entity: zeetrf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u2128"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zeta", 
+            "description": "Bad named entity: zeta without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zeta"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zeta;", 
+            "description": "Named entity: zeta; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u03b6"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zfr", 
+            "description": "Bad named entity: zfr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zfr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zfr;", 
+            "description": "Named entity: zfr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd37"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zhcy", 
+            "description": "Bad named entity: zhcy without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zhcy"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zhcy;", 
+            "description": "Named entity: zhcy; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u0436"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zigrarr", 
+            "description": "Bad named entity: zigrarr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zigrarr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zigrarr;", 
+            "description": "Named entity: zigrarr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u21dd"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zopf", 
+            "description": "Bad named entity: zopf without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zopf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zopf;", 
+            "description": "Named entity: zopf; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udd6b"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zscr", 
+            "description": "Bad named entity: zscr without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zscr"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zscr;", 
+            "description": "Named entity: zscr; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\ud835\udccf"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zwj", 
+            "description": "Bad named entity: zwj without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zwj"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zwj;", 
+            "description": "Named entity: zwj; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200d"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zwnj", 
+            "description": "Bad named entity: zwnj without a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "&zwnj"
+                ]
+            ]
+        }, 
+        {
+            "input": "&zwnj;", 
+            "description": "Named entity: zwnj; with a semi-colon", 
+            "output": [
+                [
+                    "Character", 
+                    "\u200c"
+                ]
+            ]
+        }
+    ]
+}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/numericEntities.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/numericEntities.test
new file mode 100644
index 000000000..36c82281c
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/numericEntities.test
@@ -0,0 +1,1313 @@
+{"tests": [
+
+{"description": "Invalid numeric entity character U+0000",
+"input": "&#x0000;",
+"output": ["ParseError", ["Character", "\uFFFD"]]},
+
+{"description": "Invalid numeric entity character U+0001",
+"input": "&#x0001;",
+"output": ["ParseError", ["Character", "\u0001"]]},
+
+{"description": "Invalid numeric entity character U+0002",
+"input": "&#x0002;",
+"output": ["ParseError", ["Character", "\u0002"]]},
+
+{"description": "Invalid numeric entity character U+0003",
+"input": "&#x0003;",
+"output": ["ParseError", ["Character", "\u0003"]]},
+
+{"description": "Invalid numeric entity character U+0004",
+"input": "&#x0004;",
+"output": ["ParseError", ["Character", "\u0004"]]},
+
+{"description": "Invalid numeric entity character U+0005",
+"input": "&#x0005;",
+"output": ["ParseError", ["Character", "\u0005"]]},
+
+{"description": "Invalid numeric entity character U+0006",
+"input": "&#x0006;",
+"output": ["ParseError", ["Character", "\u0006"]]},
+
+{"description": "Invalid numeric entity character U+0007",
+"input": "&#x0007;",
+"output": ["ParseError", ["Character", "\u0007"]]},
+
+{"description": "Invalid numeric entity character U+0008",
+"input": "&#x0008;",
+"output": ["ParseError", ["Character", "\u0008"]]},
+
+{"description": "Invalid numeric entity character U+000B",
+"input": "&#x000b;",
+"output": ["ParseError", ["Character", "\u000b"]]},
+
+{"description": "Invalid numeric entity character U+000E",
+"input": "&#x000e;",
+"output": ["ParseError", ["Character", "\u000e"]]},
+
+{"description": "Invalid numeric entity character U+000F",
+"input": "&#x000f;",
+"output": ["ParseError", ["Character", "\u000f"]]},
+
+{"description": "Invalid numeric entity character U+0010",
+"input": "&#x0010;",
+"output": ["ParseError", ["Character", "\u0010"]]},
+
+{"description": "Invalid numeric entity character U+0011",
+"input": "&#x0011;",
+"output": ["ParseError", ["Character", "\u0011"]]},
+
+{"description": "Invalid numeric entity character U+0012",
+"input": "&#x0012;",
+"output": ["ParseError", ["Character", "\u0012"]]},
+
+{"description": "Invalid numeric entity character U+0013",
+"input": "&#x0013;",
+"output": ["ParseError", ["Character", "\u0013"]]},
+
+{"description": "Invalid numeric entity character U+0014",
+"input": "&#x0014;",
+"output": ["ParseError", ["Character", "\u0014"]]},
+
+{"description": "Invalid numeric entity character U+0015",
+"input": "&#x0015;",
+"output": ["ParseError", ["Character", "\u0015"]]},
+
+{"description": "Invalid numeric entity character U+0016",
+"input": "&#x0016;",
+"output": ["ParseError", ["Character", "\u0016"]]},
+
+{"description": "Invalid numeric entity character U+0017",
+"input": "&#x0017;",
+"output": ["ParseError", ["Character", "\u0017"]]},
+
+{"description": "Invalid numeric entity character U+0018",
+"input": "&#x0018;",
+"output": ["ParseError", ["Character", "\u0018"]]},
+
+{"description": "Invalid numeric entity character U+0019",
+"input": "&#x0019;",
+"output": ["ParseError", ["Character", "\u0019"]]},
+
+{"description": "Invalid numeric entity character U+001A",
+"input": "&#x001a;",
+"output": ["ParseError", ["Character", "\u001a"]]},
+
+{"description": "Invalid numeric entity character U+001B",
+"input": "&#x001b;",
+"output": ["ParseError", ["Character", "\u001b"]]},
+
+{"description": "Invalid numeric entity character U+001C",
+"input": "&#x001c;",
+"output": ["ParseError", ["Character", "\u001c"]]},
+
+{"description": "Invalid numeric entity character U+001D",
+"input": "&#x001d;",
+"output": ["ParseError", ["Character", "\u001d"]]},
+
+{"description": "Invalid numeric entity character U+001E",
+"input": "&#x001e;",
+"output": ["ParseError", ["Character", "\u001e"]]},
+
+{"description": "Invalid numeric entity character U+001F",
+"input": "&#x001f;",
+"output": ["ParseError", ["Character", "\u001f"]]},
+
+{"description": "Invalid numeric entity character U+007F",
+"input": "&#x007f;",
+"output": ["ParseError", ["Character", "\u007f"]]},
+
+{"description": "Invalid numeric entity character U+D800",
+"input": "&#xd800;",
+"output": ["ParseError", ["Character", "\uFFFD"]]},
+
+{"description": "Invalid numeric entity character U+DFFF",
+"input": "&#xdfff;",
+"output": ["ParseError", ["Character", "\uFFFD"]]},
+
+{"description": "Invalid numeric entity character U+FDD0",
+"input": "&#xfdd0;",
+"output": ["ParseError", ["Character", "\ufdd0"]]},
+
+{"description": "Invalid numeric entity character U+FDD1",
+"input": "&#xfdd1;",
+"output": ["ParseError", ["Character", "\ufdd1"]]},
+
+{"description": "Invalid numeric entity character U+FDD2",
+"input": "&#xfdd2;",
+"output": ["ParseError", ["Character", "\ufdd2"]]},
+
+{"description": "Invalid numeric entity character U+FDD3",
+"input": "&#xfdd3;",
+"output": ["ParseError", ["Character", "\ufdd3"]]},
+
+{"description": "Invalid numeric entity character U+FDD4",
+"input": "&#xfdd4;",
+"output": ["ParseError", ["Character", "\ufdd4"]]},
+
+{"description": "Invalid numeric entity character U+FDD5",
+"input": "&#xfdd5;",
+"output": ["ParseError", ["Character", "\ufdd5"]]},
+
+{"description": "Invalid numeric entity character U+FDD6",
+"input": "&#xfdd6;",
+"output": ["ParseError", ["Character", "\ufdd6"]]},
+
+{"description": "Invalid numeric entity character U+FDD7",
+"input": "&#xfdd7;",
+"output": ["ParseError", ["Character", "\ufdd7"]]},
+
+{"description": "Invalid numeric entity character U+FDD8",
+"input": "&#xfdd8;",
+"output": ["ParseError", ["Character", "\ufdd8"]]},
+
+{"description": "Invalid numeric entity character U+FDD9",
+"input": "&#xfdd9;",
+"output": ["ParseError", ["Character", "\ufdd9"]]},
+
+{"description": "Invalid numeric entity character U+FDDA",
+"input": "&#xfdda;",
+"output": ["ParseError", ["Character", "\ufdda"]]},
+
+{"description": "Invalid numeric entity character U+FDDB",
+"input": "&#xfddb;",
+"output": ["ParseError", ["Character", "\ufddb"]]},
+
+{"description": "Invalid numeric entity character U+FDDC",
+"input": "&#xfddc;",
+"output": ["ParseError", ["Character", "\ufddc"]]},
+
+{"description": "Invalid numeric entity character U+FDDD",
+"input": "&#xfddd;",
+"output": ["ParseError", ["Character", "\ufddd"]]},
+
+{"description": "Invalid numeric entity character U+FDDE",
+"input": "&#xfdde;",
+"output": ["ParseError", ["Character", "\ufdde"]]},
+
+{"description": "Invalid numeric entity character U+FDDF",
+"input": "&#xfddf;",
+"output": ["ParseError", ["Character", "\ufddf"]]},
+
+{"description": "Invalid numeric entity character U+FDE0",
+"input": "&#xfde0;",
+"output": ["ParseError", ["Character", "\ufde0"]]},
+
+{"description": "Invalid numeric entity character U+FDE1",
+"input": "&#xfde1;",
+"output": ["ParseError", ["Character", "\ufde1"]]},
+
+{"description": "Invalid numeric entity character U+FDE2",
+"input": "&#xfde2;",
+"output": ["ParseError", ["Character", "\ufde2"]]},
+
+{"description": "Invalid numeric entity character U+FDE3",
+"input": "&#xfde3;",
+"output": ["ParseError", ["Character", "\ufde3"]]},
+
+{"description": "Invalid numeric entity character U+FDE4",
+"input": "&#xfde4;",
+"output": ["ParseError", ["Character", "\ufde4"]]},
+
+{"description": "Invalid numeric entity character U+FDE5",
+"input": "&#xfde5;",
+"output": ["ParseError", ["Character", "\ufde5"]]},
+
+{"description": "Invalid numeric entity character U+FDE6",
+"input": "&#xfde6;",
+"output": ["ParseError", ["Character", "\ufde6"]]},
+
+{"description": "Invalid numeric entity character U+FDE7",
+"input": "&#xfde7;",
+"output": ["ParseError", ["Character", "\ufde7"]]},
+
+{"description": "Invalid numeric entity character U+FDE8",
+"input": "&#xfde8;",
+"output": ["ParseError", ["Character", "\ufde8"]]},
+
+{"description": "Invalid numeric entity character U+FDE9",
+"input": "&#xfde9;",
+"output": ["ParseError", ["Character", "\ufde9"]]},
+
+{"description": "Invalid numeric entity character U+FDEA",
+"input": "&#xfdea;",
+"output": ["ParseError", ["Character", "\ufdea"]]},
+
+{"description": "Invalid numeric entity character U+FDEB",
+"input": "&#xfdeb;",
+"output": ["ParseError", ["Character", "\ufdeb"]]},
+
+{"description": "Invalid numeric entity character U+FDEC",
+"input": "&#xfdec;",
+"output": ["ParseError", ["Character", "\ufdec"]]},
+
+{"description": "Invalid numeric entity character U+FDED",
+"input": "&#xfded;",
+"output": ["ParseError", ["Character", "\ufded"]]},
+
+{"description": "Invalid numeric entity character U+FDEE",
+"input": "&#xfdee;",
+"output": ["ParseError", ["Character", "\ufdee"]]},
+
+{"description": "Invalid numeric entity character U+FDEF",
+"input": "&#xfdef;",
+"output": ["ParseError", ["Character", "\ufdef"]]},
+
+{"description": "Invalid numeric entity character U+FFFE",
+"input": "&#xfffe;",
+"output": ["ParseError", ["Character", "\ufffe"]]},
+
+{"description": "Invalid numeric entity character U+FFFF",
+"input": "&#xffff;",
+"output": ["ParseError", ["Character", "\uffff"]]},
+
+{"description": "Invalid numeric entity character U+1FFFE",
+"input": "&#x1fffe;",
+"output": ["ParseError", ["Character", "\uD83F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+1FFFF",
+"input": "&#x1ffff;",
+"output": ["ParseError", ["Character", "\uD83F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+2FFFE",
+"input": "&#x2fffe;",
+"output": ["ParseError", ["Character", "\uD87F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+2FFFF",
+"input": "&#x2ffff;",
+"output": ["ParseError", ["Character", "\uD87F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+3FFFE",
+"input": "&#x3fffe;",
+"output": ["ParseError", ["Character", "\uD8BF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+3FFFF",
+"input": "&#x3ffff;",
+"output": ["ParseError", ["Character", "\uD8BF\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+4FFFE",
+"input": "&#x4fffe;",
+"output": ["ParseError", ["Character", "\uD8FF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+4FFFF",
+"input": "&#x4ffff;",
+"output": ["ParseError", ["Character", "\uD8FF\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+5FFFE",
+"input": "&#x5fffe;",
+"output": ["ParseError", ["Character", "\uD93F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+5FFFF",
+"input": "&#x5ffff;",
+"output": ["ParseError", ["Character", "\uD93F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+6FFFE",
+"input": "&#x6fffe;",
+"output": ["ParseError", ["Character", "\uD97F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+6FFFF",
+"input": "&#x6ffff;",
+"output": ["ParseError", ["Character", "\uD97F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+7FFFE",
+"input": "&#x7fffe;",
+"output": ["ParseError", ["Character", "\uD9BF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+7FFFF",
+"input": "&#x7ffff;",
+"output": ["ParseError", ["Character", "\uD9BF\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+8FFFE",
+"input": "&#x8fffe;",
+"output": ["ParseError", ["Character", "\uD9FF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+8FFFF",
+"input": "&#x8ffff;",
+"output": ["ParseError", ["Character", "\uD9FF\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+9FFFE",
+"input": "&#x9fffe;",
+"output": ["ParseError", ["Character", "\uDA3F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+9FFFF",
+"input": "&#x9ffff;",
+"output": ["ParseError", ["Character", "\uDA3F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+AFFFE",
+"input": "&#xafffe;",
+"output": ["ParseError", ["Character", "\uDA7F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+AFFFF",
+"input": "&#xaffff;",
+"output": ["ParseError", ["Character", "\uDA7F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+BFFFE",
+"input": "&#xbfffe;",
+"output": ["ParseError", ["Character", "\uDABF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+BFFFF",
+"input": "&#xbffff;",
+"output": ["ParseError", ["Character", "\uDABF\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+CFFFE",
+"input": "&#xcfffe;",
+"output": ["ParseError", ["Character", "\uDAFF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+CFFFF",
+"input": "&#xcffff;",
+"output": ["ParseError", ["Character", "\uDAFF\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+DFFFE",
+"input": "&#xdfffe;",
+"output": ["ParseError", ["Character", "\uDB3F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+DFFFF",
+"input": "&#xdffff;",
+"output": ["ParseError", ["Character", "\uDB3F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+EFFFE",
+"input": "&#xefffe;",
+"output": ["ParseError", ["Character", "\uDB7F\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+EFFFF",
+"input": "&#xeffff;",
+"output": ["ParseError", ["Character", "\uDB7F\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+FFFFE",
+"input": "&#xffffe;",
+"output": ["ParseError", ["Character", "\uDBBF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+FFFFF",
+"input": "&#xfffff;",
+"output": ["ParseError", ["Character", "\uDBBF\uDFFF"]]},
+
+{"description": "Invalid numeric entity character U+10FFFE",
+"input": "&#x10fffe;",
+"output": ["ParseError", ["Character", "\uDBFF\uDFFE"]]},
+
+{"description": "Invalid numeric entity character U+10FFFF",
+"input": "&#x10ffff;",
+"output": ["ParseError", ["Character", "\uDBFF\uDFFF"]]},
+
+{"description": "Valid numeric entity character U+0009",
+"input": "&#x0009;",
+"output": [["Character", "\u0009"]]},
+
+{"description": "Valid numeric entity character U+000A",
+"input": "&#x000a;",
+"output": [["Character", "\u000A"]]},
+
+{"description": "Valid numeric entity character U+0020",
+"input": "&#x0020;",
+"output": [["Character", "\u0020"]]},
+
+{"description": "Valid numeric entity character U+0021",
+"input": "&#x0021;",
+"output": [["Character", "\u0021"]]},
+
+{"description": "Valid numeric entity character U+0022",
+"input": "&#x0022;",
+"output": [["Character", "\u0022"]]},
+
+{"description": "Valid numeric entity character U+0023",
+"input": "&#x0023;",
+"output": [["Character", "\u0023"]]},
+
+{"description": "Valid numeric entity character U+0024",
+"input": "&#x0024;",
+"output": [["Character", "\u0024"]]},
+
+{"description": "Valid numeric entity character U+0025",
+"input": "&#x0025;",
+"output": [["Character", "\u0025"]]},
+
+{"description": "Valid numeric entity character U+0026",
+"input": "&#x0026;",
+"output": [["Character", "\u0026"]]},
+
+{"description": "Valid numeric entity character U+0027",
+"input": "&#x0027;",
+"output": [["Character", "\u0027"]]},
+
+{"description": "Valid numeric entity character U+0028",
+"input": "&#x0028;",
+"output": [["Character", "\u0028"]]},
+
+{"description": "Valid numeric entity character U+0029",
+"input": "&#x0029;",
+"output": [["Character", "\u0029"]]},
+
+{"description": "Valid numeric entity character U+002A",
+"input": "&#x002a;",
+"output": [["Character", "\u002A"]]},
+
+{"description": "Valid numeric entity character U+002B",
+"input": "&#x002b;",
+"output": [["Character", "\u002B"]]},
+
+{"description": "Valid numeric entity character U+002C",
+"input": "&#x002c;",
+"output": [["Character", "\u002C"]]},
+
+{"description": "Valid numeric entity character U+002D",
+"input": "&#x002d;",
+"output": [["Character", "\u002D"]]},
+
+{"description": "Valid numeric entity character U+002E",
+"input": "&#x002e;",
+"output": [["Character", "\u002E"]]},
+
+{"description": "Valid numeric entity character U+002F",
+"input": "&#x002f;",
+"output": [["Character", "\u002F"]]},
+
+{"description": "Valid numeric entity character U+0030",
+"input": "&#x0030;",
+"output": [["Character", "\u0030"]]},
+
+{"description": "Valid numeric entity character U+0031",
+"input": "&#x0031;",
+"output": [["Character", "\u0031"]]},
+
+{"description": "Valid numeric entity character U+0032",
+"input": "&#x0032;",
+"output": [["Character", "\u0032"]]},
+
+{"description": "Valid numeric entity character U+0033",
+"input": "&#x0033;",
+"output": [["Character", "\u0033"]]},
+
+{"description": "Valid numeric entity character U+0034",
+"input": "&#x0034;",
+"output": [["Character", "\u0034"]]},
+
+{"description": "Valid numeric entity character U+0035",
+"input": "&#x0035;",
+"output": [["Character", "\u0035"]]},
+
+{"description": "Valid numeric entity character U+0036",
+"input": "&#x0036;",
+"output": [["Character", "\u0036"]]},
+
+{"description": "Valid numeric entity character U+0037",
+"input": "&#x0037;",
+"output": [["Character", "\u0037"]]},
+
+{"description": "Valid numeric entity character U+0038",
+"input": "&#x0038;",
+"output": [["Character", "\u0038"]]},
+
+{"description": "Valid numeric entity character U+0039",
+"input": "&#x0039;",
+"output": [["Character", "\u0039"]]},
+
+{"description": "Valid numeric entity character U+003A",
+"input": "&#x003a;",
+"output": [["Character", "\u003A"]]},
+
+{"description": "Valid numeric entity character U+003B",
+"input": "&#x003b;",
+"output": [["Character", "\u003B"]]},
+
+{"description": "Valid numeric entity character U+003C",
+"input": "&#x003c;",
+"output": [["Character", "\u003C"]]},
+
+{"description": "Valid numeric entity character U+003D",
+"input": "&#x003d;",
+"output": [["Character", "\u003D"]]},
+
+{"description": "Valid numeric entity character U+003E",
+"input": "&#x003e;",
+"output": [["Character", "\u003E"]]},
+
+{"description": "Valid numeric entity character U+003F",
+"input": "&#x003f;",
+"output": [["Character", "\u003F"]]},
+
+{"description": "Valid numeric entity character U+0040",
+"input": "&#x0040;",
+"output": [["Character", "\u0040"]]},
+
+{"description": "Valid numeric entity character U+0041",
+"input": "&#x0041;",
+"output": [["Character", "\u0041"]]},
+
+{"description": "Valid numeric entity character U+0042",
+"input": "&#x0042;",
+"output": [["Character", "\u0042"]]},
+
+{"description": "Valid numeric entity character U+0043",
+"input": "&#x0043;",
+"output": [["Character", "\u0043"]]},
+
+{"description": "Valid numeric entity character U+0044",
+"input": "&#x0044;",
+"output": [["Character", "\u0044"]]},
+
+{"description": "Valid numeric entity character U+0045",
+"input": "&#x0045;",
+"output": [["Character", "\u0045"]]},
+
+{"description": "Valid numeric entity character U+0046",
+"input": "&#x0046;",
+"output": [["Character", "\u0046"]]},
+
+{"description": "Valid numeric entity character U+0047",
+"input": "&#x0047;",
+"output": [["Character", "\u0047"]]},
+
+{"description": "Valid numeric entity character U+0048",
+"input": "&#x0048;",
+"output": [["Character", "\u0048"]]},
+
+{"description": "Valid numeric entity character U+0049",
+"input": "&#x0049;",
+"output": [["Character", "\u0049"]]},
+
+{"description": "Valid numeric entity character U+004A",
+"input": "&#x004a;",
+"output": [["Character", "\u004A"]]},
+
+{"description": "Valid numeric entity character U+004B",
+"input": "&#x004b;",
+"output": [["Character", "\u004B"]]},
+
+{"description": "Valid numeric entity character U+004C",
+"input": "&#x004c;",
+"output": [["Character", "\u004C"]]},
+
+{"description": "Valid numeric entity character U+004D",
+"input": "&#x004d;",
+"output": [["Character", "\u004D"]]},
+
+{"description": "Valid numeric entity character U+004E",
+"input": "&#x004e;",
+"output": [["Character", "\u004E"]]},
+
+{"description": "Valid numeric entity character U+004F",
+"input": "&#x004f;",
+"output": [["Character", "\u004F"]]},
+
+{"description": "Valid numeric entity character U+0050",
+"input": "&#x0050;",
+"output": [["Character", "\u0050"]]},
+
+{"description": "Valid numeric entity character U+0051",
+"input": "&#x0051;",
+"output": [["Character", "\u0051"]]},
+
+{"description": "Valid numeric entity character U+0052",
+"input": "&#x0052;",
+"output": [["Character", "\u0052"]]},
+
+{"description": "Valid numeric entity character U+0053",
+"input": "&#x0053;",
+"output": [["Character", "\u0053"]]},
+
+{"description": "Valid numeric entity character U+0054",
+"input": "&#x0054;",
+"output": [["Character", "\u0054"]]},
+
+{"description": "Valid numeric entity character U+0055",
+"input": "&#x0055;",
+"output": [["Character", "\u0055"]]},
+
+{"description": "Valid numeric entity character U+0056",
+"input": "&#x0056;",
+"output": [["Character", "\u0056"]]},
+
+{"description": "Valid numeric entity character U+0057",
+"input": "&#x0057;",
+"output": [["Character", "\u0057"]]},
+
+{"description": "Valid numeric entity character U+0058",
+"input": "&#x0058;",
+"output": [["Character", "\u0058"]]},
+
+{"description": "Valid numeric entity character U+0059",
+"input": "&#x0059;",
+"output": [["Character", "\u0059"]]},
+
+{"description": "Valid numeric entity character U+005A",
+"input": "&#x005a;",
+"output": [["Character", "\u005A"]]},
+
+{"description": "Valid numeric entity character U+005B",
+"input": "&#x005b;",
+"output": [["Character", "\u005B"]]},
+
+{"description": "Valid numeric entity character U+005C",
+"input": "&#x005c;",
+"output": [["Character", "\u005C"]]},
+
+{"description": "Valid numeric entity character U+005D",
+"input": "&#x005d;",
+"output": [["Character", "\u005D"]]},
+
+{"description": "Valid numeric entity character U+005E",
+"input": "&#x005e;",
+"output": [["Character", "\u005E"]]},
+
+{"description": "Valid numeric entity character U+005F",
+"input": "&#x005f;",
+"output": [["Character", "\u005F"]]},
+
+{"description": "Valid numeric entity character U+0060",
+"input": "&#x0060;",
+"output": [["Character", "\u0060"]]},
+
+{"description": "Valid numeric entity character U+0061",
+"input": "&#x0061;",
+"output": [["Character", "\u0061"]]},
+
+{"description": "Valid numeric entity character U+0062",
+"input": "&#x0062;",
+"output": [["Character", "\u0062"]]},
+
+{"description": "Valid numeric entity character U+0063",
+"input": "&#x0063;",
+"output": [["Character", "\u0063"]]},
+
+{"description": "Valid numeric entity character U+0064",
+"input": "&#x0064;",
+"output": [["Character", "\u0064"]]},
+
+{"description": "Valid numeric entity character U+0065",
+"input": "&#x0065;",
+"output": [["Character", "\u0065"]]},
+
+{"description": "Valid numeric entity character U+0066",
+"input": "&#x0066;",
+"output": [["Character", "\u0066"]]},
+
+{"description": "Valid numeric entity character U+0067",
+"input": "&#x0067;",
+"output": [["Character", "\u0067"]]},
+
+{"description": "Valid numeric entity character U+0068",
+"input": "&#x0068;",
+"output": [["Character", "\u0068"]]},
+
+{"description": "Valid numeric entity character U+0069",
+"input": "&#x0069;",
+"output": [["Character", "\u0069"]]},
+
+{"description": "Valid numeric entity character U+006A",
+"input": "&#x006a;",
+"output": [["Character", "\u006A"]]},
+
+{"description": "Valid numeric entity character U+006B",
+"input": "&#x006b;",
+"output": [["Character", "\u006B"]]},
+
+{"description": "Valid numeric entity character U+006C",
+"input": "&#x006c;",
+"output": [["Character", "\u006C"]]},
+
+{"description": "Valid numeric entity character U+006D",
+"input": "&#x006d;",
+"output": [["Character", "\u006D"]]},
+
+{"description": "Valid numeric entity character U+006E",
+"input": "&#x006e;",
+"output": [["Character", "\u006E"]]},
+
+{"description": "Valid numeric entity character U+006F",
+"input": "&#x006f;",
+"output": [["Character", "\u006F"]]},
+
+{"description": "Valid numeric entity character U+0070",
+"input": "&#x0070;",
+"output": [["Character", "\u0070"]]},
+
+{"description": "Valid numeric entity character U+0071",
+"input": "&#x0071;",
+"output": [["Character", "\u0071"]]},
+
+{"description": "Valid numeric entity character U+0072",
+"input": "&#x0072;",
+"output": [["Character", "\u0072"]]},
+
+{"description": "Valid numeric entity character U+0073",
+"input": "&#x0073;",
+"output": [["Character", "\u0073"]]},
+
+{"description": "Valid numeric entity character U+0074",
+"input": "&#x0074;",
+"output": [["Character", "\u0074"]]},
+
+{"description": "Valid numeric entity character U+0075",
+"input": "&#x0075;",
+"output": [["Character", "\u0075"]]},
+
+{"description": "Valid numeric entity character U+0076",
+"input": "&#x0076;",
+"output": [["Character", "\u0076"]]},
+
+{"description": "Valid numeric entity character U+0077",
+"input": "&#x0077;",
+"output": [["Character", "\u0077"]]},
+
+{"description": "Valid numeric entity character U+0078",
+"input": "&#x0078;",
+"output": [["Character", "\u0078"]]},
+
+{"description": "Valid numeric entity character U+0079",
+"input": "&#x0079;",
+"output": [["Character", "\u0079"]]},
+
+{"description": "Valid numeric entity character U+007A",
+"input": "&#x007a;",
+"output": [["Character", "\u007A"]]},
+
+{"description": "Valid numeric entity character U+007B",
+"input": "&#x007b;",
+"output": [["Character", "\u007B"]]},
+
+{"description": "Valid numeric entity character U+007C",
+"input": "&#x007c;",
+"output": [["Character", "\u007C"]]},
+
+{"description": "Valid numeric entity character U+007D",
+"input": "&#x007d;",
+"output": [["Character", "\u007D"]]},
+
+{"description": "Valid numeric entity character U+007E",
+"input": "&#x007e;",
+"output": [["Character", "\u007E"]]},
+
+{"description": "Valid numeric entity character U+00A0",
+"input": "&#x00a0;",
+"output": [["Character", "\u00A0"]]},
+
+{"description": "Valid numeric entity character U+00A1",
+"input": "&#x00a1;",
+"output": [["Character", "\u00A1"]]},
+
+{"description": "Valid numeric entity character U+00A2",
+"input": "&#x00a2;",
+"output": [["Character", "\u00A2"]]},
+
+{"description": "Valid numeric entity character U+00A3",
+"input": "&#x00a3;",
+"output": [["Character", "\u00A3"]]},
+
+{"description": "Valid numeric entity character U+00A4",
+"input": "&#x00a4;",
+"output": [["Character", "\u00A4"]]},
+
+{"description": "Valid numeric entity character U+00A5",
+"input": "&#x00a5;",
+"output": [["Character", "\u00A5"]]},
+
+{"description": "Valid numeric entity character U+00A6",
+"input": "&#x00a6;",
+"output": [["Character", "\u00A6"]]},
+
+{"description": "Valid numeric entity character U+00A7",
+"input": "&#x00a7;",
+"output": [["Character", "\u00A7"]]},
+
+{"description": "Valid numeric entity character U+00A8",
+"input": "&#x00a8;",
+"output": [["Character", "\u00A8"]]},
+
+{"description": "Valid numeric entity character U+00A9",
+"input": "&#x00a9;",
+"output": [["Character", "\u00A9"]]},
+
+{"description": "Valid numeric entity character U+00AA",
+"input": "&#x00aa;",
+"output": [["Character", "\u00AA"]]},
+
+{"description": "Valid numeric entity character U+00AB",
+"input": "&#x00ab;",
+"output": [["Character", "\u00AB"]]},
+
+{"description": "Valid numeric entity character U+00AC",
+"input": "&#x00ac;",
+"output": [["Character", "\u00AC"]]},
+
+{"description": "Valid numeric entity character U+00AD",
+"input": "&#x00ad;",
+"output": [["Character", "\u00AD"]]},
+
+{"description": "Valid numeric entity character U+00AE",
+"input": "&#x00ae;",
+"output": [["Character", "\u00AE"]]},
+
+{"description": "Valid numeric entity character U+00AF",
+"input": "&#x00af;",
+"output": [["Character", "\u00AF"]]},
+
+{"description": "Valid numeric entity character U+00B0",
+"input": "&#x00b0;",
+"output": [["Character", "\u00B0"]]},
+
+{"description": "Valid numeric entity character U+00B1",
+"input": "&#x00b1;",
+"output": [["Character", "\u00B1"]]},
+
+{"description": "Valid numeric entity character U+00B2",
+"input": "&#x00b2;",
+"output": [["Character", "\u00B2"]]},
+
+{"description": "Valid numeric entity character U+00B3",
+"input": "&#x00b3;",
+"output": [["Character", "\u00B3"]]},
+
+{"description": "Valid numeric entity character U+00B4",
+"input": "&#x00b4;",
+"output": [["Character", "\u00B4"]]},
+
+{"description": "Valid numeric entity character U+00B5",
+"input": "&#x00b5;",
+"output": [["Character", "\u00B5"]]},
+
+{"description": "Valid numeric entity character U+00B6",
+"input": "&#x00b6;",
+"output": [["Character", "\u00B6"]]},
+
+{"description": "Valid numeric entity character U+00B7",
+"input": "&#x00b7;",
+"output": [["Character", "\u00B7"]]},
+
+{"description": "Valid numeric entity character U+00B8",
+"input": "&#x00b8;",
+"output": [["Character", "\u00B8"]]},
+
+{"description": "Valid numeric entity character U+00B9",
+"input": "&#x00b9;",
+"output": [["Character", "\u00B9"]]},
+
+{"description": "Valid numeric entity character U+00BA",
+"input": "&#x00ba;",
+"output": [["Character", "\u00BA"]]},
+
+{"description": "Valid numeric entity character U+00BB",
+"input": "&#x00bb;",
+"output": [["Character", "\u00BB"]]},
+
+{"description": "Valid numeric entity character U+00BC",
+"input": "&#x00bc;",
+"output": [["Character", "\u00BC"]]},
+
+{"description": "Valid numeric entity character U+00BD",
+"input": "&#x00bd;",
+"output": [["Character", "\u00BD"]]},
+
+{"description": "Valid numeric entity character U+00BE",
+"input": "&#x00be;",
+"output": [["Character", "\u00BE"]]},
+
+{"description": "Valid numeric entity character U+00BF",
+"input": "&#x00bf;",
+"output": [["Character", "\u00BF"]]},
+
+{"description": "Valid numeric entity character U+00C0",
+"input": "&#x00c0;",
+"output": [["Character", "\u00C0"]]},
+
+{"description": "Valid numeric entity character U+00C1",
+"input": "&#x00c1;",
+"output": [["Character", "\u00C1"]]},
+
+{"description": "Valid numeric entity character U+00C2",
+"input": "&#x00c2;",
+"output": [["Character", "\u00C2"]]},
+
+{"description": "Valid numeric entity character U+00C3",
+"input": "&#x00c3;",
+"output": [["Character", "\u00C3"]]},
+
+{"description": "Valid numeric entity character U+00C4",
+"input": "&#x00c4;",
+"output": [["Character", "\u00C4"]]},
+
+{"description": "Valid numeric entity character U+00C5",
+"input": "&#x00c5;",
+"output": [["Character", "\u00C5"]]},
+
+{"description": "Valid numeric entity character U+00C6",
+"input": "&#x00c6;",
+"output": [["Character", "\u00C6"]]},
+
+{"description": "Valid numeric entity character U+00C7",
+"input": "&#x00c7;",
+"output": [["Character", "\u00C7"]]},
+
+{"description": "Valid numeric entity character U+00C8",
+"input": "&#x00c8;",
+"output": [["Character", "\u00C8"]]},
+
+{"description": "Valid numeric entity character U+00C9",
+"input": "&#x00c9;",
+"output": [["Character", "\u00C9"]]},
+
+{"description": "Valid numeric entity character U+00CA",
+"input": "&#x00ca;",
+"output": [["Character", "\u00CA"]]},
+
+{"description": "Valid numeric entity character U+00CB",
+"input": "&#x00cb;",
+"output": [["Character", "\u00CB"]]},
+
+{"description": "Valid numeric entity character U+00CC",
+"input": "&#x00cc;",
+"output": [["Character", "\u00CC"]]},
+
+{"description": "Valid numeric entity character U+00CD",
+"input": "&#x00cd;",
+"output": [["Character", "\u00CD"]]},
+
+{"description": "Valid numeric entity character U+00CE",
+"input": "&#x00ce;",
+"output": [["Character", "\u00CE"]]},
+
+{"description": "Valid numeric entity character U+00CF",
+"input": "&#x00cf;",
+"output": [["Character", "\u00CF"]]},
+
+{"description": "Valid numeric entity character U+00D0",
+"input": "&#x00d0;",
+"output": [["Character", "\u00D0"]]},
+
+{"description": "Valid numeric entity character U+00D1",
+"input": "&#x00d1;",
+"output": [["Character", "\u00D1"]]},
+
+{"description": "Valid numeric entity character U+00D2",
+"input": "&#x00d2;",
+"output": [["Character", "\u00D2"]]},
+
+{"description": "Valid numeric entity character U+00D3",
+"input": "&#x00d3;",
+"output": [["Character", "\u00D3"]]},
+
+{"description": "Valid numeric entity character U+00D4",
+"input": "&#x00d4;",
+"output": [["Character", "\u00D4"]]},
+
+{"description": "Valid numeric entity character U+00D5",
+"input": "&#x00d5;",
+"output": [["Character", "\u00D5"]]},
+
+{"description": "Valid numeric entity character U+00D6",
+"input": "&#x00d6;",
+"output": [["Character", "\u00D6"]]},
+
+{"description": "Valid numeric entity character U+00D7",
+"input": "&#x00d7;",
+"output": [["Character", "\u00D7"]]},
+
+{"description": "Valid numeric entity character U+00D8",
+"input": "&#x00d8;",
+"output": [["Character", "\u00D8"]]},
+
+{"description": "Valid numeric entity character U+00D9",
+"input": "&#x00d9;",
+"output": [["Character", "\u00D9"]]},
+
+{"description": "Valid numeric entity character U+00DA",
+"input": "&#x00da;",
+"output": [["Character", "\u00DA"]]},
+
+{"description": "Valid numeric entity character U+00DB",
+"input": "&#x00db;",
+"output": [["Character", "\u00DB"]]},
+
+{"description": "Valid numeric entity character U+00DC",
+"input": "&#x00dc;",
+"output": [["Character", "\u00DC"]]},
+
+{"description": "Valid numeric entity character U+00DD",
+"input": "&#x00dd;",
+"output": [["Character", "\u00DD"]]},
+
+{"description": "Valid numeric entity character U+00DE",
+"input": "&#x00de;",
+"output": [["Character", "\u00DE"]]},
+
+{"description": "Valid numeric entity character U+00DF",
+"input": "&#x00df;",
+"output": [["Character", "\u00DF"]]},
+
+{"description": "Valid numeric entity character U+00E0",
+"input": "&#x00e0;",
+"output": [["Character", "\u00E0"]]},
+
+{"description": "Valid numeric entity character U+00E1",
+"input": "&#x00e1;",
+"output": [["Character", "\u00E1"]]},
+
+{"description": "Valid numeric entity character U+00E2",
+"input": "&#x00e2;",
+"output": [["Character", "\u00E2"]]},
+
+{"description": "Valid numeric entity character U+00E3",
+"input": "&#x00e3;",
+"output": [["Character", "\u00E3"]]},
+
+{"description": "Valid numeric entity character U+00E4",
+"input": "&#x00e4;",
+"output": [["Character", "\u00E4"]]},
+
+{"description": "Valid numeric entity character U+00E5",
+"input": "&#x00e5;",
+"output": [["Character", "\u00E5"]]},
+
+{"description": "Valid numeric entity character U+00E6",
+"input": "&#x00e6;",
+"output": [["Character", "\u00E6"]]},
+
+{"description": "Valid numeric entity character U+00E7",
+"input": "&#x00e7;",
+"output": [["Character", "\u00E7"]]},
+
+{"description": "Valid numeric entity character U+00E8",
+"input": "&#x00e8;",
+"output": [["Character", "\u00E8"]]},
+
+{"description": "Valid numeric entity character U+00E9",
+"input": "&#x00e9;",
+"output": [["Character", "\u00E9"]]},
+
+{"description": "Valid numeric entity character U+00EA",
+"input": "&#x00ea;",
+"output": [["Character", "\u00EA"]]},
+
+{"description": "Valid numeric entity character U+00EB",
+"input": "&#x00eb;",
+"output": [["Character", "\u00EB"]]},
+
+{"description": "Valid numeric entity character U+00EC",
+"input": "&#x00ec;",
+"output": [["Character", "\u00EC"]]},
+
+{"description": "Valid numeric entity character U+00ED",
+"input": "&#x00ed;",
+"output": [["Character", "\u00ED"]]},
+
+{"description": "Valid numeric entity character U+00EE",
+"input": "&#x00ee;",
+"output": [["Character", "\u00EE"]]},
+
+{"description": "Valid numeric entity character U+00EF",
+"input": "&#x00ef;",
+"output": [["Character", "\u00EF"]]},
+
+{"description": "Valid numeric entity character U+00F0",
+"input": "&#x00f0;",
+"output": [["Character", "\u00F0"]]},
+
+{"description": "Valid numeric entity character U+00F1",
+"input": "&#x00f1;",
+"output": [["Character", "\u00F1"]]},
+
+{"description": "Valid numeric entity character U+00F2",
+"input": "&#x00f2;",
+"output": [["Character", "\u00F2"]]},
+
+{"description": "Valid numeric entity character U+00F3",
+"input": "&#x00f3;",
+"output": [["Character", "\u00F3"]]},
+
+{"description": "Valid numeric entity character U+00F4",
+"input": "&#x00f4;",
+"output": [["Character", "\u00F4"]]},
+
+{"description": "Valid numeric entity character U+00F5",
+"input": "&#x00f5;",
+"output": [["Character", "\u00F5"]]},
+
+{"description": "Valid numeric entity character U+00F6",
+"input": "&#x00f6;",
+"output": [["Character", "\u00F6"]]},
+
+{"description": "Valid numeric entity character U+00F7",
+"input": "&#x00f7;",
+"output": [["Character", "\u00F7"]]},
+
+{"description": "Valid numeric entity character U+00F8",
+"input": "&#x00f8;",
+"output": [["Character", "\u00F8"]]},
+
+{"description": "Valid numeric entity character U+00F9",
+"input": "&#x00f9;",
+"output": [["Character", "\u00F9"]]},
+
+{"description": "Valid numeric entity character U+00FA",
+"input": "&#x00fa;",
+"output": [["Character", "\u00FA"]]},
+
+{"description": "Valid numeric entity character U+00FB",
+"input": "&#x00fb;",
+"output": [["Character", "\u00FB"]]},
+
+{"description": "Valid numeric entity character U+00FC",
+"input": "&#x00fc;",
+"output": [["Character", "\u00FC"]]},
+
+{"description": "Valid numeric entity character U+00FD",
+"input": "&#x00fd;",
+"output": [["Character", "\u00FD"]]},
+
+{"description": "Valid numeric entity character U+00FE",
+"input": "&#x00fe;",
+"output": [["Character", "\u00FE"]]},
+
+{"description": "Valid numeric entity character U+00FF",
+"input": "&#x00ff;",
+"output": [["Character", "\u00FF"]]},
+
+{"description": "Valid numeric entity character U+D7FF",
+"input": "&#xd7ff;",
+"output": [["Character", "\uD7FF"]]},
+
+{"description": "Valid numeric entity character U+E000",
+"input": "&#xe000;",
+"output": [["Character", "\uE000"]]},
+
+{"description": "Valid numeric entity character U+FDCF",
+"input": "&#xfdcf;",
+"output": [["Character", "\uFDCF"]]},
+
+{"description": "Valid numeric entity character U+FDF0",
+"input": "&#xfdf0;",
+"output": [["Character", "\uFDF0"]]},
+
+{"description": "Valid numeric entity character U+FFFD",
+"input": "&#xfffd;",
+"output": [["Character", "\uFFFD"]]},
+
+{"description": "Valid numeric entity character U+10000",
+"input": "&#x10000;",
+"output": [["Character", "\uD800\uDC00"]]},
+
+{"description": "Valid numeric entity character U+1FFFD",
+"input": "&#x1fffd;",
+"output": [["Character", "\uD83F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+20000",
+"input": "&#x20000;",
+"output": [["Character", "\uD840\uDC00"]]},
+
+{"description": "Valid numeric entity character U+2FFFD",
+"input": "&#x2fffd;",
+"output": [["Character", "\uD87F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+30000",
+"input": "&#x30000;",
+"output": [["Character", "\uD880\uDC00"]]},
+
+{"description": "Valid numeric entity character U+3FFFD",
+"input": "&#x3fffd;",
+"output": [["Character", "\uD8BF\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+40000",
+"input": "&#x40000;",
+"output": [["Character", "\uD8C0\uDC00"]]},
+
+{"description": "Valid numeric entity character U+4FFFD",
+"input": "&#x4fffd;",
+"output": [["Character", "\uD8FF\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+50000",
+"input": "&#x50000;",
+"output": [["Character", "\uD900\uDC00"]]},
+
+{"description": "Valid numeric entity character U+5FFFD",
+"input": "&#x5fffd;",
+"output": [["Character", "\uD93F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+60000",
+"input": "&#x60000;",
+"output": [["Character", "\uD940\uDC00"]]},
+
+{"description": "Valid numeric entity character U+6FFFD",
+"input": "&#x6fffd;",
+"output": [["Character", "\uD97F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+70000",
+"input": "&#x70000;",
+"output": [["Character", "\uD980\uDC00"]]},
+
+{"description": "Valid numeric entity character U+7FFFD",
+"input": "&#x7fffd;",
+"output": [["Character", "\uD9BF\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+80000",
+"input": "&#x80000;",
+"output": [["Character", "\uD9C0\uDC00"]]},
+
+{"description": "Valid numeric entity character U+8FFFD",
+"input": "&#x8fffd;",
+"output": [["Character", "\uD9FF\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+90000",
+"input": "&#x90000;",
+"output": [["Character", "\uDA00\uDC00"]]},
+
+{"description": "Valid numeric entity character U+9FFFD",
+"input": "&#x9fffd;",
+"output": [["Character", "\uDA3F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+A0000",
+"input": "&#xa0000;",
+"output": [["Character", "\uDA40\uDC00"]]},
+
+{"description": "Valid numeric entity character U+AFFFD",
+"input": "&#xafffd;",
+"output": [["Character", "\uDA7F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+B0000",
+"input": "&#xb0000;",
+"output": [["Character", "\uDA80\uDC00"]]},
+
+{"description": "Valid numeric entity character U+BFFFD",
+"input": "&#xbfffd;",
+"output": [["Character", "\uDABF\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+C0000",
+"input": "&#xc0000;",
+"output": [["Character", "\uDAC0\uDC00"]]},
+
+{"description": "Valid numeric entity character U+CFFFD",
+"input": "&#xcfffd;",
+"output": [["Character", "\uDAFF\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+D0000",
+"input": "&#xd0000;",
+"output": [["Character", "\uDB00\uDC00"]]},
+
+{"description": "Valid numeric entity character U+DFFFD",
+"input": "&#xdfffd;",
+"output": [["Character", "\uDB3F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+E0000",
+"input": "&#xe0000;",
+"output": [["Character", "\uDB40\uDC00"]]},
+
+{"description": "Valid numeric entity character U+EFFFD",
+"input": "&#xefffd;",
+"output": [["Character", "\uDB7F\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+F0000",
+"input": "&#xf0000;",
+"output": [["Character", "\uDB80\uDC00"]]},
+
+{"description": "Valid numeric entity character U+FFFFD",
+"input": "&#xffffd;",
+"output": [["Character", "\uDBBF\uDFFD"]]},
+
+{"description": "Valid numeric entity character U+100000",
+"input": "&#x100000;",
+"output": [["Character", "\uDBC0\uDC00"]]},
+
+{"description": "Valid numeric entity character U+10FFFD",
+"input": "&#x10fffd;",
+"output": [["Character", "\uDBFF\uDFFD"]]}
+
+]}
+
+
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/pendingSpecChanges.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/pendingSpecChanges.test
new file mode 100644
index 000000000..1b7dc3c72
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/pendingSpecChanges.test
@@ -0,0 +1,7 @@
+{"tests": [
+
+{"description":"<!---- >",
+"input":"<!---- >",
+"output":["ParseError", "ParseError", ["Comment","-- >"]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test1.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test1.test
new file mode 100644
index 000000000..b97b2cbec
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test1.test
@@ -0,0 +1,196 @@
+{"tests": [
+
+{"description":"Correct Doctype lowercase",
+"input":"<!DOCTYPE html>",
+"output":[["DOCTYPE", "html", null, null, true]]},
+
+{"description":"Correct Doctype uppercase",
+"input":"<!DOCTYPE HTML>",
+"output":[["DOCTYPE", "html", null, null, true]]},
+
+{"description":"Correct Doctype mixed case",
+"input":"<!DOCTYPE HtMl>", 
+"output":[["DOCTYPE", "html", null, null, true]]},
+
+{"description":"Correct Doctype case with EOF",
+"input":"<!DOCTYPE HtMl", 
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"Truncated doctype start",
+"input":"<!DOC>", 
+"output":["ParseError", ["Comment", "DOC"]]},
+
+{"description":"Doctype in error",
+"input":"<!DOCTYPE foo>", 
+"output":[["DOCTYPE", "foo", null, null, true]]},
+
+{"description":"Single Start Tag",
+"input":"<h>",
+"output":[["StartTag", "h", {}]]},
+
+{"description":"Empty end tag",
+"input":"</>",
+"output":["ParseError"]},
+
+{"description":"Empty start tag",
+"input":"<>",
+"output":["ParseError", ["Character", "<>"]]},
+
+{"description":"Start Tag w/attribute",
+"input":"<h a='b'>",
+"output":[["StartTag", "h", {"a":"b"}]]},
+
+{"description":"Start Tag w/attribute no quotes",
+"input":"<h a=b>",
+"output":[["StartTag", "h", {"a":"b"}]]},
+
+{"description":"Start/End Tag",
+"input":"<h></h>",
+"output":[["StartTag", "h", {}], ["EndTag", "h"]]},
+
+{"description":"Two unclosed start tags",
+"input":"<p>One<p>Two",
+"output":[["StartTag", "p", {}], ["Character", "One"], ["StartTag", "p", {}], ["Character", "Two"]]},
+
+{"description":"End Tag w/attribute",
+"input":"<h></h a='b'>",
+"output":[["StartTag", "h", {}], "ParseError", ["EndTag", "h"]]},
+
+{"description":"Multiple atts",
+"input":"<h a='b' c='d'>",
+"output":[["StartTag", "h", {"a":"b", "c":"d"}]]},
+
+{"description":"Multiple atts no space",
+"input":"<h a='b'c='d'>",
+"output":["ParseError", ["StartTag", "h", {"a":"b", "c":"d"}]]},
+
+{"description":"Repeated attr",
+ "input":"<h a='b' a='d'>",
+ "output":["ParseError", ["StartTag", "h", {"a":"b"}]]},
+
+{"description":"Simple comment",
+ "input":"<!--comment-->",
+ "output":[["Comment", "comment"]]},
+
+{"description":"Comment, Central dash no space",
+ "input":"<!----->",
+ "output":["ParseError", ["Comment", "-"]]},
+
+{"description":"Comment, two central dashes",
+"input":"<!-- --comment -->",
+"output":["ParseError", ["Comment", " --comment "]]},
+
+{"description":"Unfinished comment",
+"input":"<!--comment",
+"output":["ParseError", ["Comment", "comment"]]},
+
+{"description":"Start of a comment",
+"input":"<!-",
+"output":["ParseError", ["Comment", "-"]]},
+
+{"description":"Short comment",
+ "input":"<!-->",
+ "output":["ParseError", ["Comment", ""]]},
+
+{"description":"Short comment two",
+ "input":"<!--->",
+ "output":["ParseError", ["Comment", ""]]},
+
+{"description":"Short comment three",
+ "input":"<!---->",
+ "output":[["Comment", ""]]},
+
+
+{"description":"Ampersand EOF",
+"input":"&",
+"output":[["Character", "&"]]},
+
+{"description":"Ampersand ampersand EOF",
+"input":"&&",
+"output":[["Character", "&&"]]},
+
+{"description":"Ampersand space EOF",
+"input":"& ",
+"output":[["Character", "& "]]},
+
+{"description":"Unfinished entity",
+"input":"&f",
+"output":[["Character", "&f"]]},
+
+{"description":"Ampersand, number sign",
+"input":"&#",
+"output":["ParseError", ["Character", "&#"]]},
+
+{"description":"Unfinished numeric entity",
+"input":"&#x",
+"output":["ParseError", ["Character", "&#x"]]},
+
+{"description":"Entity with trailing semicolon (1)",
+"input":"I'm &not;it",
+"output":[["Character","I'm \u00ACit"]]},
+
+{"description":"Entity with trailing semicolon (2)",
+"input":"I'm &notin;",
+"output":[["Character","I'm \u2209"]]},
+
+{"description":"Entity without trailing semicolon (1)",
+"input":"I'm &notit",
+"output":[["Character","I'm "], "ParseError", ["Character", "\u00ACit"]]},
+
+{"description":"Entity without trailing semicolon (2)",
+"input":"I'm &notin",
+"output":[["Character","I'm "], "ParseError", ["Character", "\u00ACin"]]},
+
+{"description":"Partial entity match at end of file",
+"input":"I'm &no",
+"output":[["Character","I'm &no"]]},
+
+{"description":"Non-ASCII character reference name",
+"input":"&\u00AC;",
+"output":[["Character", "&\u00AC;"]]},
+
+{"description":"ASCII decimal entity",
+"input":"&#0036;",
+"output":[["Character","$"]]},
+
+{"description":"ASCII hexadecimal entity",
+"input":"&#x3f;",
+"output":[["Character","?"]]},
+
+{"description":"Hexadecimal entity in attribute",
+"input":"<h a='&#x3f;'></h>",
+"output":[["StartTag", "h", {"a":"?"}], ["EndTag", "h"]]},
+
+{"description":"Entity in attribute without semicolon ending in x",
+"input":"<h a='&notx'>",
+"output":[["StartTag", "h", {"a":"&notx"}]]},
+
+{"description":"Entity in attribute without semicolon ending in 1",
+"input":"<h a='&not1'>",
+"output":[["StartTag", "h", {"a":"&not1"}]]},
+
+{"description":"Entity in attribute without semicolon ending in i",
+"input":"<h a='&noti'>",
+"output":[["StartTag", "h", {"a":"&noti"}]]},
+
+{"description":"Entity in attribute without semicolon",
+"input":"<h a='&COPY'>",
+"output":["ParseError", ["StartTag", "h", {"a":"\u00A9"}]]},
+
+{"description":"Unquoted attribute ending in ampersand",
+"input":"<s o=& t>",
+"output":[["StartTag","s",{"o":"&","t":""}]]},
+
+{"description":"Unquoted attribute at end of tag with final character of &, with tag followed by characters",
+"input":"<a a=a&>foo",
+"output":[["StartTag", "a", {"a":"a&"}], ["Character", "foo"]]},
+
+{"description":"plaintext element",
+ "input":"<plaintext>foobar",
+ "output":[["StartTag","plaintext",{}], ["Character","foobar"]]},
+
+{"description":"Open angled bracket in unquoted attribute value state",
+ "input":"<a a=f<>",
+ "output":["ParseError", ["StartTag", "a", {"a":"f<"}]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test2.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test2.test
new file mode 100644
index 000000000..87a8eba34
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test2.test
@@ -0,0 +1,179 @@
+{"tests": [
+
+{"description":"DOCTYPE without name",
+"input":"<!DOCTYPE>",
+"output":["ParseError", "ParseError", ["DOCTYPE", null, null, null, false]]},
+
+{"description":"DOCTYPE without space before name",
+"input":"<!DOCTYPEhtml>",
+"output":["ParseError", ["DOCTYPE", "html", null, null, true]]},
+
+{"description":"Incorrect DOCTYPE without a space before name",
+"input":"<!DOCTYPEfoo>",
+"output":["ParseError", ["DOCTYPE", "foo", null, null, true]]},
+
+{"description":"DOCTYPE with publicId",
+"input":"<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML Transitional 4.01//EN\">",
+"output":[["DOCTYPE", "html", "-//W3C//DTD HTML Transitional 4.01//EN", null, true]]},
+
+{"description":"DOCTYPE with EOF after PUBLIC",
+"input":"<!DOCTYPE html PUBLIC",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"DOCTYPE with EOF after PUBLIC '",
+"input":"<!DOCTYPE html PUBLIC '",
+"output":["ParseError", ["DOCTYPE", "html", "", null, false]]},
+
+{"description":"DOCTYPE with EOF after PUBLIC 'x",
+"input":"<!DOCTYPE html PUBLIC 'x",
+"output":["ParseError", ["DOCTYPE", "html", "x", null, false]]},
+
+{"description":"DOCTYPE with systemId",
+"input":"<!DOCTYPE html SYSTEM \"-//W3C//DTD HTML Transitional 4.01//EN\">",
+"output":[["DOCTYPE", "html", null, "-//W3C//DTD HTML Transitional 4.01//EN", true]]},
+
+{"description":"DOCTYPE with publicId and systemId",
+"input":"<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML Transitional 4.01//EN\" \"-//W3C//DTD HTML Transitional 4.01//EN\">",
+"output":[["DOCTYPE", "html", "-//W3C//DTD HTML Transitional 4.01//EN", "-//W3C//DTD HTML Transitional 4.01//EN", true]]},
+
+{"description":"DOCTYPE with > in double-quoted publicId",
+"input":"<!DOCTYPE html PUBLIC \">x",
+"output":["ParseError", ["DOCTYPE", "html", "", null, false], ["Character", "x"]]},
+
+{"description":"DOCTYPE with > in single-quoted publicId",
+"input":"<!DOCTYPE html PUBLIC '>x",
+"output":["ParseError", ["DOCTYPE", "html", "", null, false], ["Character", "x"]]},
+
+{"description":"DOCTYPE with > in double-quoted systemId",
+"input":"<!DOCTYPE html PUBLIC \"foo\" \">x",
+"output":["ParseError", ["DOCTYPE", "html", "foo", "", false], ["Character", "x"]]},
+
+{"description":"DOCTYPE with > in single-quoted systemId",
+"input":"<!DOCTYPE html PUBLIC 'foo' '>x",
+"output":["ParseError", ["DOCTYPE", "html", "foo", "", false], ["Character", "x"]]},
+
+{"description":"Incomplete doctype",
+"input":"<!DOCTYPE html ",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"Numeric entity representing the NUL character",
+"input":"&#0000;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Hexadecimal entity representing the NUL character",
+"input":"&#x0000;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Numeric entity representing a codepoint after 1114111 (U+10FFFF)",
+"input":"&#2225222;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Hexadecimal entity representing a codepoint after 1114111 (U+10FFFF)",
+"input":"&#x1010FFFF;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Hexadecimal entity pair representing a surrogate pair",
+"input":"&#xD869;&#xDED6;",
+"output":["ParseError", ["Character", "\uFFFD"], "ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Hexadecimal entity with mixed uppercase and lowercase",
+"input":"&#xaBcD;",
+"output":[["Character", "\uABCD"]]},
+
+{"description":"Entity without a name",
+"input":"&;",
+"output":[["Character", "&;"]]},
+
+{"description":"Unescaped ampersand in attribute value",
+"input":"<h a='&'>",
+"output":[["StartTag", "h", { "a":"&" }]]},
+
+{"description":"StartTag containing <",
+"input":"<a<b>",
+"output":[["StartTag", "a<b", { }]]},
+
+{"description":"Non-void element containing trailing /",
+"input":"<h/>",
+"output":[["StartTag","h",{},true]]},
+
+{"description":"Void element with permitted slash",
+"input":"<br/>",
+"output":[["StartTag","br",{},true]]},
+
+{"description":"Void element with permitted slash (with attribute)",
+"input":"<br foo='bar'/>",
+"output":[["StartTag","br",{"foo":"bar"},true]]},
+
+{"description":"StartTag containing /",
+"input":"<h/a='b'>",
+"output":["ParseError", ["StartTag", "h", { "a":"b" }]]},
+
+{"description":"Double-quoted attribute value",
+"input":"<h a=\"b\">",
+"output":[["StartTag", "h", { "a":"b" }]]},
+
+{"description":"Unescaped </",
+"input":"</",
+"output":["ParseError", ["Character", "</"]]},
+
+{"description":"Illegal end tag name",
+"input":"</1>",
+"output":["ParseError", ["Comment", "1"]]},
+
+{"description":"Simili processing instruction",
+"input":"<?namespace>",
+"output":["ParseError", ["Comment", "?namespace"]]},
+
+{"description":"A bogus comment stops at >, even if preceeded by two dashes",
+"input":"<?foo-->",
+"output":["ParseError", ["Comment", "?foo--"]]},
+
+{"description":"Unescaped <",
+"input":"foo < bar",
+"output":[["Character", "foo "], "ParseError", ["Character", "< bar"]]},
+
+{"description":"Null Byte Replacement",
+"input":"\u0000",
+"output":["ParseError", ["Character", "\u0000"]]},
+
+{"description":"Comment with dash",
+"input":"<!---x",
+"output":["ParseError", ["Comment", "-x"]]},
+
+{"description":"Entity + newline",
+"input":"\nx\n&gt;\n",
+"output":[["Character","\nx\n>\n"]]},
+
+{"description":"Start tag with no attributes but space before the greater-than sign",
+"input":"<h >",
+"output":[["StartTag", "h", {}]]},
+
+{"description":"Empty attribute followed by uppercase attribute",
+"input":"<h a B=''>",
+"output":[["StartTag", "h", {"a":"", "b":""}]]},
+
+{"description":"Double-quote after attribute name",
+"input":"<h a \">",
+"output":["ParseError", ["StartTag", "h", {"a":"", "\"":""}]]},
+
+{"description":"Single-quote after attribute name",
+"input":"<h a '>",
+"output":["ParseError", ["StartTag", "h", {"a":"", "'":""}]]},
+
+{"description":"Empty end tag with following characters",
+"input":"a</>bc",
+"output":[["Character", "a"], "ParseError", ["Character", "bc"]]},
+
+{"description":"Empty end tag with following tag",
+"input":"a</><b>c",
+"output":[["Character", "a"], "ParseError", ["StartTag", "b", {}], ["Character", "c"]]},
+
+{"description":"Empty end tag with following comment",
+"input":"a</><!--b-->c",
+"output":[["Character", "a"], "ParseError", ["Comment", "b"], ["Character", "c"]]},
+
+{"description":"Empty end tag with following end tag",
+"input":"a</></b>c",
+"output":[["Character", "a"], "ParseError", ["EndTag", "b"], ["Character", "c"]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test3.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test3.test
new file mode 100644
index 000000000..8fc529a2b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test3.test
@@ -0,0 +1,6047 @@
+{"tests": [
+
+{"description":"",
+"input":"",
+"output":[]},
+
+{"description":"\\u0009",
+"input":"\u0009",
+"output":[["Character", "\u0009"]]},
+
+{"description":"\\u000A",
+"input":"\u000A",
+"output":[["Character", "\u000A"]]},
+
+{"description":"\\u000B",
+"input":"\u000B",
+"output":["ParseError", ["Character", "\u000B"]]},
+
+{"description":"\\u000C",
+"input":"\u000C",
+"output":[["Character", "\u000C"]]},
+
+{"description":" ",
+"input":" ",
+"output":[["Character", " "]]},
+
+{"description":"!",
+"input":"!",
+"output":[["Character", "!"]]},
+
+{"description":"\"",
+"input":"\"",
+"output":[["Character", "\""]]},
+
+{"description":"%",
+"input":"%",
+"output":[["Character", "%"]]},
+
+{"description":"&",
+"input":"&",
+"output":[["Character", "&"]]},
+
+{"description":"'",
+"input":"'",
+"output":[["Character", "'"]]},
+
+{"description":",",
+"input":",",
+"output":[["Character", ","]]},
+
+{"description":"-",
+"input":"-",
+"output":[["Character", "-"]]},
+
+{"description":".",
+"input":".",
+"output":[["Character", "."]]},
+
+{"description":"/",
+"input":"/",
+"output":[["Character", "/"]]},
+
+{"description":"0",
+"input":"0",
+"output":[["Character", "0"]]},
+
+{"description":"1",
+"input":"1",
+"output":[["Character", "1"]]},
+
+{"description":"9",
+"input":"9",
+"output":[["Character", "9"]]},
+
+{"description":";",
+"input":";",
+"output":[["Character", ";"]]},
+
+{"description":"<",
+"input":"<",
+"output":["ParseError", ["Character", "<"]]},
+
+{"description":"<\\u0000",
+"input":"<\u0000",
+"output":["ParseError", ["Character", "<"], "ParseError", ["Character", "\u0000"]]},
+
+{"description":"<\\u0009",
+"input":"<\u0009",
+"output":["ParseError", ["Character", "<\u0009"]]},
+
+{"description":"<\\u000A",
+"input":"<\u000A",
+"output":["ParseError", ["Character", "<\u000A"]]},
+
+{"description":"<\\u000B",
+"input":"<\u000B",
+"output":["ParseError", "ParseError", ["Character", "<\u000B"]]},
+
+{"description":"<\\u000C",
+"input":"<\u000C",
+"output":["ParseError", ["Character", "<\u000C"]]},
+
+{"description":"< ",
+"input":"< ",
+"output":["ParseError", ["Character", "< "]]},
+
+{"description":"<!",
+"input":"<!",
+"output":["ParseError", ["Comment", ""]]},
+
+{"description":"<!\\u0000",
+"input":"<!\u0000",
+"output":["ParseError", ["Comment", "\uFFFD"]]},
+
+{"description":"<!\\u0009",
+"input":"<!\u0009",
+"output":["ParseError", ["Comment", "\u0009"]]},
+
+{"description":"<!\\u000A",
+"input":"<!\u000A",
+"output":["ParseError", ["Comment", "\u000A"]]},
+
+{"description":"<!\\u000B",
+"input":"<!\u000B",
+"output":["ParseError", "ParseError", ["Comment", "\u000B"]]},
+
+{"description":"<!\\u000C",
+"input":"<!\u000C",
+"output":["ParseError", ["Comment", "\u000C"]]},
+
+{"description":"<! ",
+"input":"<! ",
+"output":["ParseError", ["Comment", " "]]},
+
+{"description":"<!!",
+"input":"<!!",
+"output":["ParseError", ["Comment", "!"]]},
+
+{"description":"<!\"",
+"input":"<!\"",
+"output":["ParseError", ["Comment", "\""]]},
+
+{"description":"<!&",
+"input":"<!&",
+"output":["ParseError", ["Comment", "&"]]},
+
+{"description":"<!'",
+"input":"<!'",
+"output":["ParseError", ["Comment", "'"]]},
+
+{"description":"<!-",
+"input":"<!-",
+"output":["ParseError", ["Comment", "-"]]},
+
+{"description":"<!--",
+"input":"<!--",
+"output":["ParseError", ["Comment", ""]]},
+
+{"description":"<!--\\u0000",
+"input":"<!--\u0000",
+"output":["ParseError", "ParseError", ["Comment", "\uFFFD"]]},
+
+{"description":"<!--\\u0009",
+"input":"<!--\u0009",
+"output":["ParseError", ["Comment", "\u0009"]]},
+
+{"description":"<!--\\u000A",
+"input":"<!--\u000A",
+"output":["ParseError", ["Comment", "\u000A"]]},
+
+{"description":"<!--\\u000B",
+"input":"<!--\u000B",
+"output":["ParseError", "ParseError", ["Comment", "\u000B"]]},
+
+{"description":"<!--\\u000C",
+"input":"<!--\u000C",
+"output":["ParseError", ["Comment", "\u000C"]]},
+
+{"description":"<!-- ",
+"input":"<!-- ",
+"output":["ParseError", ["Comment", " "]]},
+
+{"description":"<!-- \\u0000",
+"input":"<!-- \u0000",
+"output":["ParseError", "ParseError", ["Comment", " \uFFFD"]]},
+
+{"description":"<!-- \\u0009",
+"input":"<!-- \u0009",
+"output":["ParseError", ["Comment", " \u0009"]]},
+
+{"description":"<!-- \\u000A",
+"input":"<!-- \u000A",
+"output":["ParseError", ["Comment", " \u000A"]]},
+
+{"description":"<!-- \\u000B",
+"input":"<!-- \u000B",
+"output":["ParseError", "ParseError", ["Comment", " \u000B"]]},
+
+{"description":"<!-- \\u000C",
+"input":"<!-- \u000C",
+"output":["ParseError", ["Comment", " \u000C"]]},
+
+{"description":"<!--  ",
+"input":"<!--  ",
+"output":["ParseError", ["Comment", "  "]]},
+
+{"description":"<!-- !",
+"input":"<!-- !",
+"output":["ParseError", ["Comment", " !"]]},
+
+{"description":"<!-- \"",
+"input":"<!-- \"",
+"output":["ParseError", ["Comment", " \""]]},
+
+{"description":"<!-- &",
+"input":"<!-- &",
+"output":["ParseError", ["Comment", " &"]]},
+
+{"description":"<!-- '",
+"input":"<!-- '",
+"output":["ParseError", ["Comment", " '"]]},
+
+{"description":"<!-- ,",
+"input":"<!-- ,",
+"output":["ParseError", ["Comment", " ,"]]},
+
+{"description":"<!-- -",
+"input":"<!-- -",
+"output":["ParseError", ["Comment", " "]]},
+
+{"description":"<!-- -\\u0000",
+"input":"<!-- -\u0000",
+"output":["ParseError", "ParseError", ["Comment", " -\uFFFD"]]},
+
+{"description":"<!-- -\\u0009",
+"input":"<!-- -\u0009",
+"output":["ParseError", ["Comment", " -\u0009"]]},
+
+{"description":"<!-- -\\u000A",
+"input":"<!-- -\u000A",
+"output":["ParseError", ["Comment", " -\u000A"]]},
+
+{"description":"<!-- -\\u000B",
+"input":"<!-- -\u000B",
+"output":["ParseError", "ParseError", ["Comment", " -\u000B"]]},
+
+{"description":"<!-- -\\u000C",
+"input":"<!-- -\u000C",
+"output":["ParseError", ["Comment", " -\u000C"]]},
+
+{"description":"<!-- - ",
+"input":"<!-- - ",
+"output":["ParseError", ["Comment", " - "]]},
+
+{"description":"<!-- -!",
+"input":"<!-- -!",
+"output":["ParseError", ["Comment", " -!"]]},
+
+{"description":"<!-- -\"",
+"input":"<!-- -\"",
+"output":["ParseError", ["Comment", " -\""]]},
+
+{"description":"<!-- -&",
+"input":"<!-- -&",
+"output":["ParseError", ["Comment", " -&"]]},
+
+{"description":"<!-- -'",
+"input":"<!-- -'",
+"output":["ParseError", ["Comment", " -'"]]},
+
+{"description":"<!-- -,",
+"input":"<!-- -,",
+"output":["ParseError", ["Comment", " -,"]]},
+
+{"description":"<!-- --",
+"input":"<!-- --",
+"output":["ParseError", ["Comment", " "]]},
+
+{"description":"<!-- -.",
+"input":"<!-- -.",
+"output":["ParseError", ["Comment", " -."]]},
+
+{"description":"<!-- -/",
+"input":"<!-- -/",
+"output":["ParseError", ["Comment", " -/"]]},
+
+{"description":"<!-- -0",
+"input":"<!-- -0",
+"output":["ParseError", ["Comment", " -0"]]},
+
+{"description":"<!-- -1",
+"input":"<!-- -1",
+"output":["ParseError", ["Comment", " -1"]]},
+
+{"description":"<!-- -9",
+"input":"<!-- -9",
+"output":["ParseError", ["Comment", " -9"]]},
+
+{"description":"<!-- -<",
+"input":"<!-- -<",
+"output":["ParseError", ["Comment", " -<"]]},
+
+{"description":"<!-- -=",
+"input":"<!-- -=",
+"output":["ParseError", ["Comment", " -="]]},
+
+{"description":"<!-- ->",
+"input":"<!-- ->",
+"output":["ParseError", ["Comment", " ->"]]},
+
+{"description":"<!-- -?",
+"input":"<!-- -?",
+"output":["ParseError", ["Comment", " -?"]]},
+
+{"description":"<!-- -@",
+"input":"<!-- -@",
+"output":["ParseError", ["Comment", " -@"]]},
+
+{"description":"<!-- -A",
+"input":"<!-- -A",
+"output":["ParseError", ["Comment", " -A"]]},
+
+{"description":"<!-- -B",
+"input":"<!-- -B",
+"output":["ParseError", ["Comment", " -B"]]},
+
+{"description":"<!-- -Y",
+"input":"<!-- -Y",
+"output":["ParseError", ["Comment", " -Y"]]},
+
+{"description":"<!-- -Z",
+"input":"<!-- -Z",
+"output":["ParseError", ["Comment", " -Z"]]},
+
+{"description":"<!-- -`",
+"input":"<!-- -`",
+"output":["ParseError", ["Comment", " -`"]]},
+
+{"description":"<!-- -a",
+"input":"<!-- -a",
+"output":["ParseError", ["Comment", " -a"]]},
+
+{"description":"<!-- -b",
+"input":"<!-- -b",
+"output":["ParseError", ["Comment", " -b"]]},
+
+{"description":"<!-- -y",
+"input":"<!-- -y",
+"output":["ParseError", ["Comment", " -y"]]},
+
+{"description":"<!-- -z",
+"input":"<!-- -z",
+"output":["ParseError", ["Comment", " -z"]]},
+
+{"description":"<!-- -{",
+"input":"<!-- -{",
+"output":["ParseError", ["Comment", " -{"]]},
+
+{"description":"<!-- -\\uDBC0\\uDC00",
+"input":"<!-- -\uDBC0\uDC00",
+"output":["ParseError", ["Comment", " -\uDBC0\uDC00"]]},
+
+{"description":"<!-- .",
+"input":"<!-- .",
+"output":["ParseError", ["Comment", " ."]]},
+
+{"description":"<!-- /",
+"input":"<!-- /",
+"output":["ParseError", ["Comment", " /"]]},
+
+{"description":"<!-- 0",
+"input":"<!-- 0",
+"output":["ParseError", ["Comment", " 0"]]},
+
+{"description":"<!-- 1",
+"input":"<!-- 1",
+"output":["ParseError", ["Comment", " 1"]]},
+
+{"description":"<!-- 9",
+"input":"<!-- 9",
+"output":["ParseError", ["Comment", " 9"]]},
+
+{"description":"<!-- <",
+"input":"<!-- <",
+"output":["ParseError", ["Comment", " <"]]},
+
+{"description":"<!-- =",
+"input":"<!-- =",
+"output":["ParseError", ["Comment", " ="]]},
+
+{"description":"<!-- >",
+"input":"<!-- >",
+"output":["ParseError", ["Comment", " >"]]},
+
+{"description":"<!-- ?",
+"input":"<!-- ?",
+"output":["ParseError", ["Comment", " ?"]]},
+
+{"description":"<!-- @",
+"input":"<!-- @",
+"output":["ParseError", ["Comment", " @"]]},
+
+{"description":"<!-- A",
+"input":"<!-- A",
+"output":["ParseError", ["Comment", " A"]]},
+
+{"description":"<!-- B",
+"input":"<!-- B",
+"output":["ParseError", ["Comment", " B"]]},
+
+{"description":"<!-- Y",
+"input":"<!-- Y",
+"output":["ParseError", ["Comment", " Y"]]},
+
+{"description":"<!-- Z",
+"input":"<!-- Z",
+"output":["ParseError", ["Comment", " Z"]]},
+
+{"description":"<!-- `",
+"input":"<!-- `",
+"output":["ParseError", ["Comment", " `"]]},
+
+{"description":"<!-- a",
+"input":"<!-- a",
+"output":["ParseError", ["Comment", " a"]]},
+
+{"description":"<!-- b",
+"input":"<!-- b",
+"output":["ParseError", ["Comment", " b"]]},
+
+{"description":"<!-- y",
+"input":"<!-- y",
+"output":["ParseError", ["Comment", " y"]]},
+
+{"description":"<!-- z",
+"input":"<!-- z",
+"output":["ParseError", ["Comment", " z"]]},
+
+{"description":"<!-- {",
+"input":"<!-- {",
+"output":["ParseError", ["Comment", " {"]]},
+
+{"description":"<!-- \\uDBC0\\uDC00",
+"input":"<!-- \uDBC0\uDC00",
+"output":["ParseError", ["Comment", " \uDBC0\uDC00"]]},
+
+{"description":"<!--!",
+"input":"<!--!",
+"output":["ParseError", ["Comment", "!"]]},
+
+{"description":"<!--\"",
+"input":"<!--\"",
+"output":["ParseError", ["Comment", "\""]]},
+
+{"description":"<!--&",
+"input":"<!--&",
+"output":["ParseError", ["Comment", "&"]]},
+
+{"description":"<!--'",
+"input":"<!--'",
+"output":["ParseError", ["Comment", "'"]]},
+
+{"description":"<!--,",
+"input":"<!--,",
+"output":["ParseError", ["Comment", ","]]},
+
+{"description":"<!---",
+"input":"<!---",
+"output":["ParseError", ["Comment", ""]]},
+
+{"description":"<!---\\u0000",
+"input":"<!---\u0000",
+"output":["ParseError", "ParseError", ["Comment", "-\uFFFD"]]},
+
+{"description":"<!---\\u0009",
+"input":"<!---\u0009",
+"output":["ParseError", ["Comment", "-\u0009"]]},
+
+{"description":"<!---\\u000A",
+"input":"<!---\u000A",
+"output":["ParseError", ["Comment", "-\u000A"]]},
+
+{"description":"<!---\\u000B",
+"input":"<!---\u000B",
+"output":["ParseError", "ParseError", ["Comment", "-\u000B"]]},
+
+{"description":"<!---\\u000C",
+"input":"<!---\u000C",
+"output":["ParseError", ["Comment", "-\u000C"]]},
+
+{"description":"<!--- ",
+"input":"<!--- ",
+"output":["ParseError", ["Comment", "- "]]},
+
+{"description":"<!---!",
+"input":"<!---!",
+"output":["ParseError", ["Comment", "-!"]]},
+
+{"description":"<!---\"",
+"input":"<!---\"",
+"output":["ParseError", ["Comment", "-\""]]},
+
+{"description":"<!---&",
+"input":"<!---&",
+"output":["ParseError", ["Comment", "-&"]]},
+
+{"description":"<!---'",
+"input":"<!---'",
+"output":["ParseError", ["Comment", "-'"]]},
+
+{"description":"<!---,",
+"input":"<!---,",
+"output":["ParseError", ["Comment", "-,"]]},
+
+{"description":"<!----",
+"input":"<!----",
+"output":["ParseError", ["Comment", ""]]},
+
+{"description":"<!----\\u0000",
+"input":"<!----\u0000",
+"output":["ParseError", "ParseError", ["Comment", "--\uFFFD"]]},
+
+{"description":"<!----\\u0009",
+"input":"<!----\u0009",
+"output":["ParseError", "ParseError", ["Comment", "--\u0009"]]},
+
+{"description":"<!----\\u000A",
+"input":"<!----\u000A",
+"output":["ParseError", "ParseError", ["Comment", "--\u000A"]]},
+
+{"description":"<!----\\u000B",
+"input":"<!----\u000B",
+"output":["ParseError", "ParseError", "ParseError", ["Comment", "--\u000B"]]},
+
+{"description":"<!----\\u000C",
+"input":"<!----\u000C",
+"output":["ParseError", "ParseError", ["Comment", "--\u000C"]]},
+
+{"description":"<!---- ",
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+"output":["ParseError", ["StartTag", "a", {"-":""}]]},
+
+{"description":"<a//>",
+"input":"<a//>",
+"output":["ParseError", ["StartTag", "a", {}, true]]},
+
+{"description":"<a/0>",
+"input":"<a/0>",
+"output":["ParseError", ["StartTag", "a", {"0":""}]]},
+
+{"description":"<a/1>",
+"input":"<a/1>",
+"output":["ParseError", ["StartTag", "a", {"1":""}]]},
+
+{"description":"<a/9>",
+"input":"<a/9>",
+"output":["ParseError", ["StartTag", "a", {"9":""}]]},
+
+{"description":"<a/<>",
+"input":"<a/<>",
+"output":["ParseError", "ParseError", ["StartTag", "a", {"<":""}]]},
+
+{"description":"<a/=>",
+"input":"<a/=>",
+"output":["ParseError", "ParseError", ["StartTag", "a", {"=":""}]]},
+
+{"description":"<a/>",
+"input":"<a/>",
+"output":[["StartTag", "a", {}, true]]},
+
+{"description":"<a/?>",
+"input":"<a/?>",
+"output":["ParseError", ["StartTag", "a", {"?":""}]]},
+
+{"description":"<a/@>",
+"input":"<a/@>",
+"output":["ParseError", ["StartTag", "a", {"@":""}]]},
+
+{"description":"<a/A>",
+"input":"<a/A>",
+"output":["ParseError", ["StartTag", "a", {"a":""}]]},
+
+{"description":"<a/B>",
+"input":"<a/B>",
+"output":["ParseError", ["StartTag", "a", {"b":""}]]},
+
+{"description":"<a/Y>",
+"input":"<a/Y>",
+"output":["ParseError", ["StartTag", "a", {"y":""}]]},
+
+{"description":"<a/Z>",
+"input":"<a/Z>",
+"output":["ParseError", ["StartTag", "a", {"z":""}]]},
+
+{"description":"<a/`>",
+"input":"<a/`>",
+"output":["ParseError", ["StartTag", "a", {"`":""}]]},
+
+{"description":"<a/a>",
+"input":"<a/a>",
+"output":["ParseError", ["StartTag", "a", {"a":""}]]},
+
+{"description":"<a/b>",
+"input":"<a/b>",
+"output":["ParseError", ["StartTag", "a", {"b":""}]]},
+
+{"description":"<a/y>",
+"input":"<a/y>",
+"output":["ParseError", ["StartTag", "a", {"y":""}]]},
+
+{"description":"<a/z>",
+"input":"<a/z>",
+"output":["ParseError", ["StartTag", "a", {"z":""}]]},
+
+{"description":"<a/{>",
+"input":"<a/{>",
+"output":["ParseError", ["StartTag", "a", {"{":""}]]},
+
+{"description":"<a/\\uDBC0\\uDC00>",
+"input":"<a/\uDBC0\uDC00>",
+"output":["ParseError", ["StartTag", "a", {"\uDBC0\uDC00":""}]]},
+
+{"description":"<a0>",
+"input":"<a0>",
+"output":[["StartTag", "a0", {}]]},
+
+{"description":"<a1>",
+"input":"<a1>",
+"output":[["StartTag", "a1", {}]]},
+
+{"description":"<a9>",
+"input":"<a9>",
+"output":[["StartTag", "a9", {}]]},
+
+{"description":"<a<>",
+"input":"<a<>",
+"output":[["StartTag", "a<", {}]]},
+
+{"description":"<a=>",
+"input":"<a=>",
+"output":[["StartTag", "a=", {}]]},
+
+{"description":"<a>",
+"input":"<a>",
+"output":[["StartTag", "a", {}]]},
+
+{"description":"<a?>",
+"input":"<a?>",
+"output":[["StartTag", "a?", {}]]},
+
+{"description":"<a@>",
+"input":"<a@>",
+"output":[["StartTag", "a@", {}]]},
+
+{"description":"<aA>",
+"input":"<aA>",
+"output":[["StartTag", "aa", {}]]},
+
+{"description":"<aB>",
+"input":"<aB>",
+"output":[["StartTag", "ab", {}]]},
+
+{"description":"<aY>",
+"input":"<aY>",
+"output":[["StartTag", "ay", {}]]},
+
+{"description":"<aZ>",
+"input":"<aZ>",
+"output":[["StartTag", "az", {}]]},
+
+{"description":"<a[>",
+"input":"<a[>",
+"output":[["StartTag", "a[", {}]]},
+
+{"description":"<a`>",
+"input":"<a`>",
+"output":[["StartTag", "a`", {}]]},
+
+{"description":"<aa>",
+"input":"<aa>",
+"output":[["StartTag", "aa", {}]]},
+
+{"description":"<ab>",
+"input":"<ab>",
+"output":[["StartTag", "ab", {}]]},
+
+{"description":"<ay>",
+"input":"<ay>",
+"output":[["StartTag", "ay", {}]]},
+
+{"description":"<az>",
+"input":"<az>",
+"output":[["StartTag", "az", {}]]},
+
+{"description":"<a{>",
+"input":"<a{>",
+"output":[["StartTag", "a{", {}]]},
+
+{"description":"<a\\uDBC0\\uDC00>",
+"input":"<a\uDBC0\uDC00>",
+"output":[["StartTag", "a\uDBC0\uDC00", {}]]},
+
+{"description":"<b>",
+"input":"<b>",
+"output":[["StartTag", "b", {}]]},
+
+{"description":"<y>",
+"input":"<y>",
+"output":[["StartTag", "y", {}]]},
+
+{"description":"<z>",
+"input":"<z>",
+"output":[["StartTag", "z", {}]]},
+
+{"description":"<{",
+"input":"<{",
+"output":["ParseError", ["Character", "<{"]]},
+
+{"description":"<\\uDBC0\\uDC00",
+"input":"<\uDBC0\uDC00",
+"output":["ParseError", ["Character", "<\uDBC0\uDC00"]]},
+
+{"description":"=",
+"input":"=",
+"output":[["Character", "="]]},
+
+{"description":">",
+"input":">",
+"output":[["Character", ">"]]},
+
+{"description":"?",
+"input":"?",
+"output":[["Character", "?"]]},
+
+{"description":"@",
+"input":"@",
+"output":[["Character", "@"]]},
+
+{"description":"A",
+"input":"A",
+"output":[["Character", "A"]]},
+
+{"description":"B",
+"input":"B",
+"output":[["Character", "B"]]},
+
+{"description":"Y",
+"input":"Y",
+"output":[["Character", "Y"]]},
+
+{"description":"Z",
+"input":"Z",
+"output":[["Character", "Z"]]},
+
+{"description":"`",
+"input":"`",
+"output":[["Character", "`"]]},
+
+{"description":"a",
+"input":"a",
+"output":[["Character", "a"]]},
+
+{"description":"b",
+"input":"b",
+"output":[["Character", "b"]]},
+
+{"description":"y",
+"input":"y",
+"output":[["Character", "y"]]},
+
+{"description":"z",
+"input":"z",
+"output":[["Character", "z"]]},
+
+{"description":"{",
+"input":"{",
+"output":[["Character", "{"]]},
+
+{"description":"\\uDBC0\\uDC00",
+"input":"\uDBC0\uDC00",
+"output":[["Character", "\uDBC0\uDC00"]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test4.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test4.test
new file mode 100644
index 000000000..4be94b0c7
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/test4.test
@@ -0,0 +1,344 @@
+{"tests": [
+
+{"description":"< in attribute name",
+"input":"<z/0  <>",
+"output":["ParseError", "ParseError", ["StartTag", "z", {"0": "", "<": ""}]]},
+
+{"description":"< in attribute value",
+"input":"<z x=<>",
+"output":["ParseError", ["StartTag", "z", {"x": "<"}]]},
+
+{"description":"= in unquoted attribute value",
+"input":"<z z=z=z>",
+"output":["ParseError", ["StartTag", "z", {"z": "z=z"}]]},
+
+{"description":"= attribute",
+"input":"<z =>",
+"output":["ParseError", ["StartTag", "z", {"=": ""}]]},
+
+{"description":"== attribute",
+"input":"<z ==>",
+"output":["ParseError", "ParseError", ["StartTag", "z", {"=": ""}]]},
+
+{"description":"=== attribute",
+"input":"<z ===>",
+"output":["ParseError", "ParseError", ["StartTag", "z", {"=": "="}]]},
+
+{"description":"==== attribute",
+"input":"<z ====>",
+"output":["ParseError", "ParseError", "ParseError", ["StartTag", "z", {"=": "=="}]]},
+
+{"description":"\" after ampersand in double-quoted attribute value",
+"input":"<z z=\"&\">",
+"output":[["StartTag", "z", {"z": "&"}]]},
+
+{"description":"' after ampersand in double-quoted attribute value",
+"input":"<z z=\"&'\">",
+"output":[["StartTag", "z", {"z": "&'"}]]},
+
+{"description":"' after ampersand in single-quoted attribute value",
+"input":"<z z='&'>",
+"output":[["StartTag", "z", {"z": "&"}]]},
+
+{"description":"\" after ampersand in single-quoted attribute value",
+"input":"<z z='&\"'>",
+"output":[["StartTag", "z", {"z": "&\""}]]},
+
+{"description":"Text after bogus character reference",
+"input":"<z z='&xlink_xmlns;'>bar<z>",
+"output":[["StartTag","z",{"z":"&xlink_xmlns;"}],["Character","bar"],["StartTag","z",{}]]},
+
+{"description":"Text after hex character reference",
+"input":"<z z='&#x0020; foo'>bar<z>",
+"output":[["StartTag","z",{"z":"  foo"}],["Character","bar"],["StartTag","z",{}]]},
+
+{"description":"Attribute name starting with \"",
+"input":"<foo \"='bar'>",
+"output":["ParseError", ["StartTag", "foo", {"\"": "bar"}]]},
+
+{"description":"Attribute name starting with '",
+"input":"<foo '='bar'>",
+"output":["ParseError", ["StartTag", "foo", {"'": "bar"}]]},
+
+{"description":"Attribute name containing \"",
+"input":"<foo a\"b='bar'>",
+"output":["ParseError", ["StartTag", "foo", {"a\"b": "bar"}]]},
+
+{"description":"Attribute name containing '",
+"input":"<foo a'b='bar'>",
+"output":["ParseError", ["StartTag", "foo", {"a'b": "bar"}]]},
+
+{"description":"Unquoted attribute value containing '",
+"input":"<foo a=b'c>",
+"output":["ParseError", ["StartTag", "foo", {"a": "b'c"}]]},
+
+{"description":"Unquoted attribute value containing \"",
+"input":"<foo a=b\"c>",
+"output":["ParseError", ["StartTag", "foo", {"a": "b\"c"}]]},
+
+{"description":"Double-quoted attribute value not followed by whitespace",
+"input":"<foo a=\"b\"c>",
+"output":["ParseError", ["StartTag", "foo", {"a": "b", "c": ""}]]},
+
+{"description":"Single-quoted attribute value not followed by whitespace",
+"input":"<foo a='b'c>",
+"output":["ParseError", ["StartTag", "foo", {"a": "b", "c": ""}]]},
+
+{"description":"Quoted attribute followed by permitted /",
+"input":"<br a='b'/>",
+"output":[["StartTag","br",{"a":"b"},true]]},
+
+{"description":"Quoted attribute followed by non-permitted /",
+"input":"<bar a='b'/>",
+"output":[["StartTag","bar",{"a":"b"},true]]},
+
+{"description":"CR EOF after doctype name",
+"input":"<!doctype html \r",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"CR EOF in tag name",
+"input":"<z\r",
+"output":["ParseError"]},
+
+{"description":"Slash EOF in tag name",
+"input":"<z/",
+"output":["ParseError"]},
+
+{"description":"Zero hex numeric entity",
+"input":"&#x0",
+"output":["ParseError", "ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Zero decimal numeric entity",
+"input":"&#0",
+"output":["ParseError", "ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Zero-prefixed hex numeric entity",
+"input":"&#x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000041;",
+"output":[["Character", "A"]]},
+
+{"description":"Zero-prefixed decimal numeric entity",
+"input":"&#000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000065;",
+"output":[["Character", "A"]]},
+
+{"description":"Empty hex numeric entities",
+"input":"&#x &#X ",
+"output":["ParseError", ["Character", "&#x "], "ParseError", ["Character", "&#X "]]},
+
+{"description":"Empty decimal numeric entities",
+"input":"&# &#; ",
+"output":["ParseError", ["Character", "&# "], "ParseError", ["Character", "&#; "]]},
+
+{"description":"Non-BMP numeric entity",
+"input":"&#x10000;",
+"output":[["Character", "\uD800\uDC00"]]},
+
+{"description":"Maximum non-BMP numeric entity",
+"input":"&#X10FFFF;",
+"output":["ParseError", ["Character", "\uDBFF\uDFFF"]]},
+
+{"description":"Above maximum numeric entity",
+"input":"&#x110000;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"32-bit hex numeric entity",
+"input":"&#x80000041;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"33-bit hex numeric entity",
+"input":"&#x100000041;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"33-bit decimal numeric entity",
+"input":"&#4294967361;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"65-bit hex numeric entity",
+"input":"&#x10000000000000041;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"65-bit decimal numeric entity",
+"input":"&#18446744073709551681;",
+"output":["ParseError", ["Character", "\uFFFD"]]},
+
+{"description":"Surrogate code point edge cases",
+"input":"&#xD7FF;&#xD800;&#xD801;&#xDFFE;&#xDFFF;&#xE000;",
+"output":[["Character", "\uD7FF"], "ParseError", ["Character", "\uFFFD"], "ParseError", ["Character", "\uFFFD"], "ParseError", ["Character", "\uFFFD"], "ParseError", ["Character", "\uFFFD\uE000"]]},
+
+{"description":"Uppercase start tag name",
+"input":"<X>",
+"output":[["StartTag", "x", {}]]},
+
+{"description":"Uppercase end tag name",
+"input":"</X>",
+"output":[["EndTag", "x"]]},
+
+{"description":"Uppercase attribute name",
+"input":"<x X>",
+"output":[["StartTag", "x", { "x":"" }]]},
+
+{"description":"Tag/attribute name case edge values",
+"input":"<x@AZ[`az{ @AZ[`az{>",
+"output":[["StartTag", "x@az[`az{", { "@az[`az{":"" }]]},
+
+{"description":"Duplicate different-case attributes",
+"input":"<x x=1 x=2 X=3>",
+"output":["ParseError", "ParseError", ["StartTag", "x", { "x":"1" }]]},
+
+{"description":"Uppercase close tag attributes",
+"input":"</x X>",
+"output":["ParseError", ["EndTag", "x"]]},
+
+{"description":"Duplicate close tag attributes",
+"input":"</x x x>",
+"output":["ParseError", "ParseError", ["EndTag", "x"]]},
+
+{"description":"Permitted slash",
+"input":"<br/>",
+"output":[["StartTag","br",{},true]]},
+
+{"description":"Non-permitted slash",
+"input":"<xr/>",
+"output":[["StartTag","xr",{},true]]},
+
+{"description":"Permitted slash but in close tag",
+"input":"</br/>",
+"output":["ParseError", ["EndTag", "br"]]},
+
+{"description":"Doctype public case-sensitivity (1)",
+"input":"<!DoCtYpE HtMl PuBlIc \"AbC\" \"XyZ\">",
+"output":[["DOCTYPE", "html", "AbC", "XyZ", true]]},
+
+{"description":"Doctype public case-sensitivity (2)",
+"input":"<!dOcTyPe hTmL pUbLiC \"aBc\" \"xYz\">",
+"output":[["DOCTYPE", "html", "aBc", "xYz", true]]},
+
+{"description":"Doctype system case-sensitivity (1)",
+"input":"<!DoCtYpE HtMl SyStEm \"XyZ\">",
+"output":[["DOCTYPE", "html", null, "XyZ", true]]},
+
+{"description":"Doctype system case-sensitivity (2)",
+"input":"<!dOcTyPe hTmL sYsTeM \"xYz\">",
+"output":[["DOCTYPE", "html", null, "xYz", true]]},
+
+{"description":"U+0000 in lookahead region after non-matching character",
+"input":"<!doc>\u0000",
+"output":["ParseError", ["Comment", "doc"], "ParseError", ["Character", "\u0000"]],
+"ignoreErrorOrder":true},
+
+{"description":"U+0000 in lookahead region",
+"input":"<!doc\u0000",
+"output":["ParseError", ["Comment", "doc\uFFFD"]],
+"ignoreErrorOrder":true},
+
+{"description":"U+0080 in lookahead region",
+"input":"<!doc\u0080",
+"output":["ParseError", "ParseError", ["Comment", "doc\u0080"]],
+"ignoreErrorOrder":true},
+
+{"description":"U+FDD1 in lookahead region",
+"input":"<!doc\uFDD1",
+"output":["ParseError", "ParseError", ["Comment", "doc\uFDD1"]],
+"ignoreErrorOrder":true},
+
+{"description":"U+1FFFF in lookahead region",
+"input":"<!doc\uD83F\uDFFF",
+"output":["ParseError", "ParseError", ["Comment", "doc\uD83F\uDFFF"]],
+"ignoreErrorOrder":true},
+
+{"description":"CR followed by non-LF",
+"input":"\r?",
+"output":[["Character", "\n?"]]},
+
+{"description":"CR at EOF",
+"input":"\r",
+"output":[["Character", "\n"]]},
+
+{"description":"LF at EOF",
+"input":"\n",
+"output":[["Character", "\n"]]},
+
+{"description":"CR LF",
+"input":"\r\n",
+"output":[["Character", "\n"]]},
+
+{"description":"CR CR",
+"input":"\r\r",
+"output":[["Character", "\n\n"]]},
+
+{"description":"LF LF",
+"input":"\n\n",
+"output":[["Character", "\n\n"]]},
+
+{"description":"LF CR",
+"input":"\n\r",
+"output":[["Character", "\n\n"]]},
+
+{"description":"text CR CR CR text",
+"input":"text\r\r\rtext",
+"output":[["Character", "text\n\n\ntext"]]},
+
+{"description":"Doctype publik",
+"input":"<!DOCTYPE html PUBLIK \"AbC\" \"XyZ\">",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"Doctype publi",
+"input":"<!DOCTYPE html PUBLI",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"Doctype sistem",
+"input":"<!DOCTYPE html SISTEM \"AbC\">",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"Doctype sys",
+"input":"<!DOCTYPE html SYS",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false]]},
+
+{"description":"Doctype html x>text",
+"input":"<!DOCTYPE html x>text",
+"output":["ParseError", ["DOCTYPE", "html", null, null, false], ["Character", "text"]]},
+
+{"description":"Grave accent in unquoted attribute",
+"input":"<a a=aa`>",
+"output":["ParseError", ["StartTag", "a", {"a":"aa`"}]]},
+
+{"description":"EOF in tag name state ",
+"input":"<a",
+"output":["ParseError"]},
+
+{"description":"EOF in tag name state",
+"input":"<a",
+"output":["ParseError"]},
+
+{"description":"EOF in before attribute name state",
+"input":"<a ",
+"output":["ParseError"]},
+
+{"description":"EOF in attribute name state",
+"input":"<a a",
+"output":["ParseError"]},
+
+{"description":"EOF in after attribute name state",
+"input":"<a a ",
+"output":["ParseError"]},
+
+{"description":"EOF in before attribute value state",
+"input":"<a a =",
+"output":["ParseError"]},
+
+{"description":"EOF in attribute value (double quoted) state",
+"input":"<a a =\"a",
+"output":["ParseError"]},
+
+{"description":"EOF in attribute value (single quoted) state",
+"input":"<a a ='a",
+"output":["ParseError"]},
+
+{"description":"EOF in attribute value (unquoted) state",
+"input":"<a a =a",
+"output":["ParseError"]},
+
+{"description":"EOF in after attribute value state",
+"input":"<a a ='a'",
+"output":["ParseError"]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/unicodeChars.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/unicodeChars.test
new file mode 100644
index 000000000..c7786682c
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/unicodeChars.test
@@ -0,0 +1,1295 @@
+{"tests": [
+
+{"description": "Invalid Unicode character U+0001",
+"input": "\u0001",
+"output": ["ParseError", ["Character", "\u0001"]]},
+
+{"description": "Invalid Unicode character U+0002",
+"input": "\u0002",
+"output": ["ParseError", ["Character", "\u0002"]]},
+
+{"description": "Invalid Unicode character U+0003",
+"input": "\u0003",
+"output": ["ParseError", ["Character", "\u0003"]]},
+
+{"description": "Invalid Unicode character U+0004",
+"input": "\u0004",
+"output": ["ParseError", ["Character", "\u0004"]]},
+
+{"description": "Invalid Unicode character U+0005",
+"input": "\u0005",
+"output": ["ParseError", ["Character", "\u0005"]]},
+
+{"description": "Invalid Unicode character U+0006",
+"input": "\u0006",
+"output": ["ParseError", ["Character", "\u0006"]]},
+
+{"description": "Invalid Unicode character U+0007",
+"input": "\u0007",
+"output": ["ParseError", ["Character", "\u0007"]]},
+
+{"description": "Invalid Unicode character U+0008",
+"input": "\u0008",
+"output": ["ParseError", ["Character", "\u0008"]]},
+
+{"description": "Invalid Unicode character U+000B",
+"input": "\u000B",
+"output": ["ParseError", ["Character", "\u000B"]]},
+
+{"description": "Invalid Unicode character U+000E",
+"input": "\u000E",
+"output": ["ParseError", ["Character", "\u000E"]]},
+
+{"description": "Invalid Unicode character U+000F",
+"input": "\u000F",
+"output": ["ParseError", ["Character", "\u000F"]]},
+
+{"description": "Invalid Unicode character U+0010",
+"input": "\u0010",
+"output": ["ParseError", ["Character", "\u0010"]]},
+
+{"description": "Invalid Unicode character U+0011",
+"input": "\u0011",
+"output": ["ParseError", ["Character", "\u0011"]]},
+
+{"description": "Invalid Unicode character U+0012",
+"input": "\u0012",
+"output": ["ParseError", ["Character", "\u0012"]]},
+
+{"description": "Invalid Unicode character U+0013",
+"input": "\u0013",
+"output": ["ParseError", ["Character", "\u0013"]]},
+
+{"description": "Invalid Unicode character U+0014",
+"input": "\u0014",
+"output": ["ParseError", ["Character", "\u0014"]]},
+
+{"description": "Invalid Unicode character U+0015",
+"input": "\u0015",
+"output": ["ParseError", ["Character", "\u0015"]]},
+
+{"description": "Invalid Unicode character U+0016",
+"input": "\u0016",
+"output": ["ParseError", ["Character", "\u0016"]]},
+
+{"description": "Invalid Unicode character U+0017",
+"input": "\u0017",
+"output": ["ParseError", ["Character", "\u0017"]]},
+
+{"description": "Invalid Unicode character U+0018",
+"input": "\u0018",
+"output": ["ParseError", ["Character", "\u0018"]]},
+
+{"description": "Invalid Unicode character U+0019",
+"input": "\u0019",
+"output": ["ParseError", ["Character", "\u0019"]]},
+
+{"description": "Invalid Unicode character U+001A",
+"input": "\u001A",
+"output": ["ParseError", ["Character", "\u001A"]]},
+
+{"description": "Invalid Unicode character U+001B",
+"input": "\u001B",
+"output": ["ParseError", ["Character", "\u001B"]]},
+
+{"description": "Invalid Unicode character U+001C",
+"input": "\u001C",
+"output": ["ParseError", ["Character", "\u001C"]]},
+
+{"description": "Invalid Unicode character U+001D",
+"input": "\u001D",
+"output": ["ParseError", ["Character", "\u001D"]]},
+
+{"description": "Invalid Unicode character U+001E",
+"input": "\u001E",
+"output": ["ParseError", ["Character", "\u001E"]]},
+
+{"description": "Invalid Unicode character U+001F",
+"input": "\u001F",
+"output": ["ParseError", ["Character", "\u001F"]]},
+
+{"description": "Invalid Unicode character U+007F",
+"input": "\u007F",
+"output": ["ParseError", ["Character", "\u007F"]]},
+
+{"description": "Invalid Unicode character U+FDD0",
+"input": "\uFDD0",
+"output": ["ParseError", ["Character", "\uFDD0"]]},
+
+{"description": "Invalid Unicode character U+FDD1",
+"input": "\uFDD1",
+"output": ["ParseError", ["Character", "\uFDD1"]]},
+
+{"description": "Invalid Unicode character U+FDD2",
+"input": "\uFDD2",
+"output": ["ParseError", ["Character", "\uFDD2"]]},
+
+{"description": "Invalid Unicode character U+FDD3",
+"input": "\uFDD3",
+"output": ["ParseError", ["Character", "\uFDD3"]]},
+
+{"description": "Invalid Unicode character U+FDD4",
+"input": "\uFDD4",
+"output": ["ParseError", ["Character", "\uFDD4"]]},
+
+{"description": "Invalid Unicode character U+FDD5",
+"input": "\uFDD5",
+"output": ["ParseError", ["Character", "\uFDD5"]]},
+
+{"description": "Invalid Unicode character U+FDD6",
+"input": "\uFDD6",
+"output": ["ParseError", ["Character", "\uFDD6"]]},
+
+{"description": "Invalid Unicode character U+FDD7",
+"input": "\uFDD7",
+"output": ["ParseError", ["Character", "\uFDD7"]]},
+
+{"description": "Invalid Unicode character U+FDD8",
+"input": "\uFDD8",
+"output": ["ParseError", ["Character", "\uFDD8"]]},
+
+{"description": "Invalid Unicode character U+FDD9",
+"input": "\uFDD9",
+"output": ["ParseError", ["Character", "\uFDD9"]]},
+
+{"description": "Invalid Unicode character U+FDDA",
+"input": "\uFDDA",
+"output": ["ParseError", ["Character", "\uFDDA"]]},
+
+{"description": "Invalid Unicode character U+FDDB",
+"input": "\uFDDB",
+"output": ["ParseError", ["Character", "\uFDDB"]]},
+
+{"description": "Invalid Unicode character U+FDDC",
+"input": "\uFDDC",
+"output": ["ParseError", ["Character", "\uFDDC"]]},
+
+{"description": "Invalid Unicode character U+FDDD",
+"input": "\uFDDD",
+"output": ["ParseError", ["Character", "\uFDDD"]]},
+
+{"description": "Invalid Unicode character U+FDDE",
+"input": "\uFDDE",
+"output": ["ParseError", ["Character", "\uFDDE"]]},
+
+{"description": "Invalid Unicode character U+FDDF",
+"input": "\uFDDF",
+"output": ["ParseError", ["Character", "\uFDDF"]]},
+
+{"description": "Invalid Unicode character U+FDE0",
+"input": "\uFDE0",
+"output": ["ParseError", ["Character", "\uFDE0"]]},
+
+{"description": "Invalid Unicode character U+FDE1",
+"input": "\uFDE1",
+"output": ["ParseError", ["Character", "\uFDE1"]]},
+
+{"description": "Invalid Unicode character U+FDE2",
+"input": "\uFDE2",
+"output": ["ParseError", ["Character", "\uFDE2"]]},
+
+{"description": "Invalid Unicode character U+FDE3",
+"input": "\uFDE3",
+"output": ["ParseError", ["Character", "\uFDE3"]]},
+
+{"description": "Invalid Unicode character U+FDE4",
+"input": "\uFDE4",
+"output": ["ParseError", ["Character", "\uFDE4"]]},
+
+{"description": "Invalid Unicode character U+FDE5",
+"input": "\uFDE5",
+"output": ["ParseError", ["Character", "\uFDE5"]]},
+
+{"description": "Invalid Unicode character U+FDE6",
+"input": "\uFDE6",
+"output": ["ParseError", ["Character", "\uFDE6"]]},
+
+{"description": "Invalid Unicode character U+FDE7",
+"input": "\uFDE7",
+"output": ["ParseError", ["Character", "\uFDE7"]]},
+
+{"description": "Invalid Unicode character U+FDE8",
+"input": "\uFDE8",
+"output": ["ParseError", ["Character", "\uFDE8"]]},
+
+{"description": "Invalid Unicode character U+FDE9",
+"input": "\uFDE9",
+"output": ["ParseError", ["Character", "\uFDE9"]]},
+
+{"description": "Invalid Unicode character U+FDEA",
+"input": "\uFDEA",
+"output": ["ParseError", ["Character", "\uFDEA"]]},
+
+{"description": "Invalid Unicode character U+FDEB",
+"input": "\uFDEB",
+"output": ["ParseError", ["Character", "\uFDEB"]]},
+
+{"description": "Invalid Unicode character U+FDEC",
+"input": "\uFDEC",
+"output": ["ParseError", ["Character", "\uFDEC"]]},
+
+{"description": "Invalid Unicode character U+FDED",
+"input": "\uFDED",
+"output": ["ParseError", ["Character", "\uFDED"]]},
+
+{"description": "Invalid Unicode character U+FDEE",
+"input": "\uFDEE",
+"output": ["ParseError", ["Character", "\uFDEE"]]},
+
+{"description": "Invalid Unicode character U+FDEF",
+"input": "\uFDEF",
+"output": ["ParseError", ["Character", "\uFDEF"]]},
+
+{"description": "Invalid Unicode character U+FFFE",
+"input": "\uFFFE",
+"output": ["ParseError", ["Character", "\uFFFE"]]},
+
+{"description": "Invalid Unicode character U+FFFF",
+"input": "\uFFFF",
+"output": ["ParseError", ["Character", "\uFFFF"]]},
+
+{"description": "Invalid Unicode character U+1FFFE",
+"input": "\uD83F\uDFFE",
+"output": ["ParseError", ["Character", "\uD83F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+1FFFF",
+"input": "\uD83F\uDFFF",
+"output": ["ParseError", ["Character", "\uD83F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+2FFFE",
+"input": "\uD87F\uDFFE",
+"output": ["ParseError", ["Character", "\uD87F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+2FFFF",
+"input": "\uD87F\uDFFF",
+"output": ["ParseError", ["Character", "\uD87F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+3FFFE",
+"input": "\uD8BF\uDFFE",
+"output": ["ParseError", ["Character", "\uD8BF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+3FFFF",
+"input": "\uD8BF\uDFFF",
+"output": ["ParseError", ["Character", "\uD8BF\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+4FFFE",
+"input": "\uD8FF\uDFFE",
+"output": ["ParseError", ["Character", "\uD8FF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+4FFFF",
+"input": "\uD8FF\uDFFF",
+"output": ["ParseError", ["Character", "\uD8FF\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+5FFFE",
+"input": "\uD93F\uDFFE",
+"output": ["ParseError", ["Character", "\uD93F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+5FFFF",
+"input": "\uD93F\uDFFF",
+"output": ["ParseError", ["Character", "\uD93F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+6FFFE",
+"input": "\uD97F\uDFFE",
+"output": ["ParseError", ["Character", "\uD97F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+6FFFF",
+"input": "\uD97F\uDFFF",
+"output": ["ParseError", ["Character", "\uD97F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+7FFFE",
+"input": "\uD9BF\uDFFE",
+"output": ["ParseError", ["Character", "\uD9BF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+7FFFF",
+"input": "\uD9BF\uDFFF",
+"output": ["ParseError", ["Character", "\uD9BF\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+8FFFE",
+"input": "\uD9FF\uDFFE",
+"output": ["ParseError", ["Character", "\uD9FF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+8FFFF",
+"input": "\uD9FF\uDFFF",
+"output": ["ParseError", ["Character", "\uD9FF\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+9FFFE",
+"input": "\uDA3F\uDFFE",
+"output": ["ParseError", ["Character", "\uDA3F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+9FFFF",
+"input": "\uDA3F\uDFFF",
+"output": ["ParseError", ["Character", "\uDA3F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+AFFFE",
+"input": "\uDA7F\uDFFE",
+"output": ["ParseError", ["Character", "\uDA7F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+AFFFF",
+"input": "\uDA7F\uDFFF",
+"output": ["ParseError", ["Character", "\uDA7F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+BFFFE",
+"input": "\uDABF\uDFFE",
+"output": ["ParseError", ["Character", "\uDABF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+BFFFF",
+"input": "\uDABF\uDFFF",
+"output": ["ParseError", ["Character", "\uDABF\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+CFFFE",
+"input": "\uDAFF\uDFFE",
+"output": ["ParseError", ["Character", "\uDAFF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+CFFFF",
+"input": "\uDAFF\uDFFF",
+"output": ["ParseError", ["Character", "\uDAFF\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+DFFFE",
+"input": "\uDB3F\uDFFE",
+"output": ["ParseError", ["Character", "\uDB3F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+DFFFF",
+"input": "\uDB3F\uDFFF",
+"output": ["ParseError", ["Character", "\uDB3F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+EFFFE",
+"input": "\uDB7F\uDFFE",
+"output": ["ParseError", ["Character", "\uDB7F\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+EFFFF",
+"input": "\uDB7F\uDFFF",
+"output": ["ParseError", ["Character", "\uDB7F\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+FFFFE",
+"input": "\uDBBF\uDFFE",
+"output": ["ParseError", ["Character", "\uDBBF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+FFFFF",
+"input": "\uDBBF\uDFFF",
+"output": ["ParseError", ["Character", "\uDBBF\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+10FFFE",
+"input": "\uDBFF\uDFFE",
+"output": ["ParseError", ["Character", "\uDBFF\uDFFE"]]},
+
+{"description": "Invalid Unicode character U+10FFFF",
+"input": "\uDBFF\uDFFF",
+"output": ["ParseError", ["Character", "\uDBFF\uDFFF"]]},
+
+{"description": "Valid Unicode character U+0009",
+"input": "\u0009",
+"output": [["Character", "\u0009"]]},
+
+{"description": "Valid Unicode character U+000A",
+"input": "\u000A",
+"output": [["Character", "\u000A"]]},
+
+{"description": "Valid Unicode character U+0020",
+"input": "\u0020",
+"output": [["Character", "\u0020"]]},
+
+{"description": "Valid Unicode character U+0021",
+"input": "\u0021",
+"output": [["Character", "\u0021"]]},
+
+{"description": "Valid Unicode character U+0022",
+"input": "\u0022",
+"output": [["Character", "\u0022"]]},
+
+{"description": "Valid Unicode character U+0023",
+"input": "\u0023",
+"output": [["Character", "\u0023"]]},
+
+{"description": "Valid Unicode character U+0024",
+"input": "\u0024",
+"output": [["Character", "\u0024"]]},
+
+{"description": "Valid Unicode character U+0025",
+"input": "\u0025",
+"output": [["Character", "\u0025"]]},
+
+{"description": "Valid Unicode character U+0026",
+"input": "\u0026",
+"output": [["Character", "\u0026"]]},
+
+{"description": "Valid Unicode character U+0027",
+"input": "\u0027",
+"output": [["Character", "\u0027"]]},
+
+{"description": "Valid Unicode character U+0028",
+"input": "\u0028",
+"output": [["Character", "\u0028"]]},
+
+{"description": "Valid Unicode character U+0029",
+"input": "\u0029",
+"output": [["Character", "\u0029"]]},
+
+{"description": "Valid Unicode character U+002A",
+"input": "\u002A",
+"output": [["Character", "\u002A"]]},
+
+{"description": "Valid Unicode character U+002B",
+"input": "\u002B",
+"output": [["Character", "\u002B"]]},
+
+{"description": "Valid Unicode character U+002C",
+"input": "\u002C",
+"output": [["Character", "\u002C"]]},
+
+{"description": "Valid Unicode character U+002D",
+"input": "\u002D",
+"output": [["Character", "\u002D"]]},
+
+{"description": "Valid Unicode character U+002E",
+"input": "\u002E",
+"output": [["Character", "\u002E"]]},
+
+{"description": "Valid Unicode character U+002F",
+"input": "\u002F",
+"output": [["Character", "\u002F"]]},
+
+{"description": "Valid Unicode character U+0030",
+"input": "\u0030",
+"output": [["Character", "\u0030"]]},
+
+{"description": "Valid Unicode character U+0031",
+"input": "\u0031",
+"output": [["Character", "\u0031"]]},
+
+{"description": "Valid Unicode character U+0032",
+"input": "\u0032",
+"output": [["Character", "\u0032"]]},
+
+{"description": "Valid Unicode character U+0033",
+"input": "\u0033",
+"output": [["Character", "\u0033"]]},
+
+{"description": "Valid Unicode character U+0034",
+"input": "\u0034",
+"output": [["Character", "\u0034"]]},
+
+{"description": "Valid Unicode character U+0035",
+"input": "\u0035",
+"output": [["Character", "\u0035"]]},
+
+{"description": "Valid Unicode character U+0036",
+"input": "\u0036",
+"output": [["Character", "\u0036"]]},
+
+{"description": "Valid Unicode character U+0037",
+"input": "\u0037",
+"output": [["Character", "\u0037"]]},
+
+{"description": "Valid Unicode character U+0038",
+"input": "\u0038",
+"output": [["Character", "\u0038"]]},
+
+{"description": "Valid Unicode character U+0039",
+"input": "\u0039",
+"output": [["Character", "\u0039"]]},
+
+{"description": "Valid Unicode character U+003A",
+"input": "\u003A",
+"output": [["Character", "\u003A"]]},
+
+{"description": "Valid Unicode character U+003B",
+"input": "\u003B",
+"output": [["Character", "\u003B"]]},
+
+{"description": "Valid Unicode character U+003D",
+"input": "\u003D",
+"output": [["Character", "\u003D"]]},
+
+{"description": "Valid Unicode character U+003E",
+"input": "\u003E",
+"output": [["Character", "\u003E"]]},
+
+{"description": "Valid Unicode character U+003F",
+"input": "\u003F",
+"output": [["Character", "\u003F"]]},
+
+{"description": "Valid Unicode character U+0040",
+"input": "\u0040",
+"output": [["Character", "\u0040"]]},
+
+{"description": "Valid Unicode character U+0041",
+"input": "\u0041",
+"output": [["Character", "\u0041"]]},
+
+{"description": "Valid Unicode character U+0042",
+"input": "\u0042",
+"output": [["Character", "\u0042"]]},
+
+{"description": "Valid Unicode character U+0043",
+"input": "\u0043",
+"output": [["Character", "\u0043"]]},
+
+{"description": "Valid Unicode character U+0044",
+"input": "\u0044",
+"output": [["Character", "\u0044"]]},
+
+{"description": "Valid Unicode character U+0045",
+"input": "\u0045",
+"output": [["Character", "\u0045"]]},
+
+{"description": "Valid Unicode character U+0046",
+"input": "\u0046",
+"output": [["Character", "\u0046"]]},
+
+{"description": "Valid Unicode character U+0047",
+"input": "\u0047",
+"output": [["Character", "\u0047"]]},
+
+{"description": "Valid Unicode character U+0048",
+"input": "\u0048",
+"output": [["Character", "\u0048"]]},
+
+{"description": "Valid Unicode character U+0049",
+"input": "\u0049",
+"output": [["Character", "\u0049"]]},
+
+{"description": "Valid Unicode character U+004A",
+"input": "\u004A",
+"output": [["Character", "\u004A"]]},
+
+{"description": "Valid Unicode character U+004B",
+"input": "\u004B",
+"output": [["Character", "\u004B"]]},
+
+{"description": "Valid Unicode character U+004C",
+"input": "\u004C",
+"output": [["Character", "\u004C"]]},
+
+{"description": "Valid Unicode character U+004D",
+"input": "\u004D",
+"output": [["Character", "\u004D"]]},
+
+{"description": "Valid Unicode character U+004E",
+"input": "\u004E",
+"output": [["Character", "\u004E"]]},
+
+{"description": "Valid Unicode character U+004F",
+"input": "\u004F",
+"output": [["Character", "\u004F"]]},
+
+{"description": "Valid Unicode character U+0050",
+"input": "\u0050",
+"output": [["Character", "\u0050"]]},
+
+{"description": "Valid Unicode character U+0051",
+"input": "\u0051",
+"output": [["Character", "\u0051"]]},
+
+{"description": "Valid Unicode character U+0052",
+"input": "\u0052",
+"output": [["Character", "\u0052"]]},
+
+{"description": "Valid Unicode character U+0053",
+"input": "\u0053",
+"output": [["Character", "\u0053"]]},
+
+{"description": "Valid Unicode character U+0054",
+"input": "\u0054",
+"output": [["Character", "\u0054"]]},
+
+{"description": "Valid Unicode character U+0055",
+"input": "\u0055",
+"output": [["Character", "\u0055"]]},
+
+{"description": "Valid Unicode character U+0056",
+"input": "\u0056",
+"output": [["Character", "\u0056"]]},
+
+{"description": "Valid Unicode character U+0057",
+"input": "\u0057",
+"output": [["Character", "\u0057"]]},
+
+{"description": "Valid Unicode character U+0058",
+"input": "\u0058",
+"output": [["Character", "\u0058"]]},
+
+{"description": "Valid Unicode character U+0059",
+"input": "\u0059",
+"output": [["Character", "\u0059"]]},
+
+{"description": "Valid Unicode character U+005A",
+"input": "\u005A",
+"output": [["Character", "\u005A"]]},
+
+{"description": "Valid Unicode character U+005B",
+"input": "\u005B",
+"output": [["Character", "\u005B"]]},
+
+{"description": "Valid Unicode character U+005C",
+"input": "\u005C",
+"output": [["Character", "\u005C"]]},
+
+{"description": "Valid Unicode character U+005D",
+"input": "\u005D",
+"output": [["Character", "\u005D"]]},
+
+{"description": "Valid Unicode character U+005E",
+"input": "\u005E",
+"output": [["Character", "\u005E"]]},
+
+{"description": "Valid Unicode character U+005F",
+"input": "\u005F",
+"output": [["Character", "\u005F"]]},
+
+{"description": "Valid Unicode character U+0060",
+"input": "\u0060",
+"output": [["Character", "\u0060"]]},
+
+{"description": "Valid Unicode character U+0061",
+"input": "\u0061",
+"output": [["Character", "\u0061"]]},
+
+{"description": "Valid Unicode character U+0062",
+"input": "\u0062",
+"output": [["Character", "\u0062"]]},
+
+{"description": "Valid Unicode character U+0063",
+"input": "\u0063",
+"output": [["Character", "\u0063"]]},
+
+{"description": "Valid Unicode character U+0064",
+"input": "\u0064",
+"output": [["Character", "\u0064"]]},
+
+{"description": "Valid Unicode character U+0065",
+"input": "\u0065",
+"output": [["Character", "\u0065"]]},
+
+{"description": "Valid Unicode character U+0066",
+"input": "\u0066",
+"output": [["Character", "\u0066"]]},
+
+{"description": "Valid Unicode character U+0067",
+"input": "\u0067",
+"output": [["Character", "\u0067"]]},
+
+{"description": "Valid Unicode character U+0068",
+"input": "\u0068",
+"output": [["Character", "\u0068"]]},
+
+{"description": "Valid Unicode character U+0069",
+"input": "\u0069",
+"output": [["Character", "\u0069"]]},
+
+{"description": "Valid Unicode character U+006A",
+"input": "\u006A",
+"output": [["Character", "\u006A"]]},
+
+{"description": "Valid Unicode character U+006B",
+"input": "\u006B",
+"output": [["Character", "\u006B"]]},
+
+{"description": "Valid Unicode character U+006C",
+"input": "\u006C",
+"output": [["Character", "\u006C"]]},
+
+{"description": "Valid Unicode character U+006D",
+"input": "\u006D",
+"output": [["Character", "\u006D"]]},
+
+{"description": "Valid Unicode character U+006E",
+"input": "\u006E",
+"output": [["Character", "\u006E"]]},
+
+{"description": "Valid Unicode character U+006F",
+"input": "\u006F",
+"output": [["Character", "\u006F"]]},
+
+{"description": "Valid Unicode character U+0070",
+"input": "\u0070",
+"output": [["Character", "\u0070"]]},
+
+{"description": "Valid Unicode character U+0071",
+"input": "\u0071",
+"output": [["Character", "\u0071"]]},
+
+{"description": "Valid Unicode character U+0072",
+"input": "\u0072",
+"output": [["Character", "\u0072"]]},
+
+{"description": "Valid Unicode character U+0073",
+"input": "\u0073",
+"output": [["Character", "\u0073"]]},
+
+{"description": "Valid Unicode character U+0074",
+"input": "\u0074",
+"output": [["Character", "\u0074"]]},
+
+{"description": "Valid Unicode character U+0075",
+"input": "\u0075",
+"output": [["Character", "\u0075"]]},
+
+{"description": "Valid Unicode character U+0076",
+"input": "\u0076",
+"output": [["Character", "\u0076"]]},
+
+{"description": "Valid Unicode character U+0077",
+"input": "\u0077",
+"output": [["Character", "\u0077"]]},
+
+{"description": "Valid Unicode character U+0078",
+"input": "\u0078",
+"output": [["Character", "\u0078"]]},
+
+{"description": "Valid Unicode character U+0079",
+"input": "\u0079",
+"output": [["Character", "\u0079"]]},
+
+{"description": "Valid Unicode character U+007A",
+"input": "\u007A",
+"output": [["Character", "\u007A"]]},
+
+{"description": "Valid Unicode character U+007B",
+"input": "\u007B",
+"output": [["Character", "\u007B"]]},
+
+{"description": "Valid Unicode character U+007C",
+"input": "\u007C",
+"output": [["Character", "\u007C"]]},
+
+{"description": "Valid Unicode character U+007D",
+"input": "\u007D",
+"output": [["Character", "\u007D"]]},
+
+{"description": "Valid Unicode character U+007E",
+"input": "\u007E",
+"output": [["Character", "\u007E"]]},
+
+{"description": "Valid Unicode character U+00A0",
+"input": "\u00A0",
+"output": [["Character", "\u00A0"]]},
+
+{"description": "Valid Unicode character U+00A1",
+"input": "\u00A1",
+"output": [["Character", "\u00A1"]]},
+
+{"description": "Valid Unicode character U+00A2",
+"input": "\u00A2",
+"output": [["Character", "\u00A2"]]},
+
+{"description": "Valid Unicode character U+00A3",
+"input": "\u00A3",
+"output": [["Character", "\u00A3"]]},
+
+{"description": "Valid Unicode character U+00A4",
+"input": "\u00A4",
+"output": [["Character", "\u00A4"]]},
+
+{"description": "Valid Unicode character U+00A5",
+"input": "\u00A5",
+"output": [["Character", "\u00A5"]]},
+
+{"description": "Valid Unicode character U+00A6",
+"input": "\u00A6",
+"output": [["Character", "\u00A6"]]},
+
+{"description": "Valid Unicode character U+00A7",
+"input": "\u00A7",
+"output": [["Character", "\u00A7"]]},
+
+{"description": "Valid Unicode character U+00A8",
+"input": "\u00A8",
+"output": [["Character", "\u00A8"]]},
+
+{"description": "Valid Unicode character U+00A9",
+"input": "\u00A9",
+"output": [["Character", "\u00A9"]]},
+
+{"description": "Valid Unicode character U+00AA",
+"input": "\u00AA",
+"output": [["Character", "\u00AA"]]},
+
+{"description": "Valid Unicode character U+00AB",
+"input": "\u00AB",
+"output": [["Character", "\u00AB"]]},
+
+{"description": "Valid Unicode character U+00AC",
+"input": "\u00AC",
+"output": [["Character", "\u00AC"]]},
+
+{"description": "Valid Unicode character U+00AD",
+"input": "\u00AD",
+"output": [["Character", "\u00AD"]]},
+
+{"description": "Valid Unicode character U+00AE",
+"input": "\u00AE",
+"output": [["Character", "\u00AE"]]},
+
+{"description": "Valid Unicode character U+00AF",
+"input": "\u00AF",
+"output": [["Character", "\u00AF"]]},
+
+{"description": "Valid Unicode character U+00B0",
+"input": "\u00B0",
+"output": [["Character", "\u00B0"]]},
+
+{"description": "Valid Unicode character U+00B1",
+"input": "\u00B1",
+"output": [["Character", "\u00B1"]]},
+
+{"description": "Valid Unicode character U+00B2",
+"input": "\u00B2",
+"output": [["Character", "\u00B2"]]},
+
+{"description": "Valid Unicode character U+00B3",
+"input": "\u00B3",
+"output": [["Character", "\u00B3"]]},
+
+{"description": "Valid Unicode character U+00B4",
+"input": "\u00B4",
+"output": [["Character", "\u00B4"]]},
+
+{"description": "Valid Unicode character U+00B5",
+"input": "\u00B5",
+"output": [["Character", "\u00B5"]]},
+
+{"description": "Valid Unicode character U+00B6",
+"input": "\u00B6",
+"output": [["Character", "\u00B6"]]},
+
+{"description": "Valid Unicode character U+00B7",
+"input": "\u00B7",
+"output": [["Character", "\u00B7"]]},
+
+{"description": "Valid Unicode character U+00B8",
+"input": "\u00B8",
+"output": [["Character", "\u00B8"]]},
+
+{"description": "Valid Unicode character U+00B9",
+"input": "\u00B9",
+"output": [["Character", "\u00B9"]]},
+
+{"description": "Valid Unicode character U+00BA",
+"input": "\u00BA",
+"output": [["Character", "\u00BA"]]},
+
+{"description": "Valid Unicode character U+00BB",
+"input": "\u00BB",
+"output": [["Character", "\u00BB"]]},
+
+{"description": "Valid Unicode character U+00BC",
+"input": "\u00BC",
+"output": [["Character", "\u00BC"]]},
+
+{"description": "Valid Unicode character U+00BD",
+"input": "\u00BD",
+"output": [["Character", "\u00BD"]]},
+
+{"description": "Valid Unicode character U+00BE",
+"input": "\u00BE",
+"output": [["Character", "\u00BE"]]},
+
+{"description": "Valid Unicode character U+00BF",
+"input": "\u00BF",
+"output": [["Character", "\u00BF"]]},
+
+{"description": "Valid Unicode character U+00C0",
+"input": "\u00C0",
+"output": [["Character", "\u00C0"]]},
+
+{"description": "Valid Unicode character U+00C1",
+"input": "\u00C1",
+"output": [["Character", "\u00C1"]]},
+
+{"description": "Valid Unicode character U+00C2",
+"input": "\u00C2",
+"output": [["Character", "\u00C2"]]},
+
+{"description": "Valid Unicode character U+00C3",
+"input": "\u00C3",
+"output": [["Character", "\u00C3"]]},
+
+{"description": "Valid Unicode character U+00C4",
+"input": "\u00C4",
+"output": [["Character", "\u00C4"]]},
+
+{"description": "Valid Unicode character U+00C5",
+"input": "\u00C5",
+"output": [["Character", "\u00C5"]]},
+
+{"description": "Valid Unicode character U+00C6",
+"input": "\u00C6",
+"output": [["Character", "\u00C6"]]},
+
+{"description": "Valid Unicode character U+00C7",
+"input": "\u00C7",
+"output": [["Character", "\u00C7"]]},
+
+{"description": "Valid Unicode character U+00C8",
+"input": "\u00C8",
+"output": [["Character", "\u00C8"]]},
+
+{"description": "Valid Unicode character U+00C9",
+"input": "\u00C9",
+"output": [["Character", "\u00C9"]]},
+
+{"description": "Valid Unicode character U+00CA",
+"input": "\u00CA",
+"output": [["Character", "\u00CA"]]},
+
+{"description": "Valid Unicode character U+00CB",
+"input": "\u00CB",
+"output": [["Character", "\u00CB"]]},
+
+{"description": "Valid Unicode character U+00CC",
+"input": "\u00CC",
+"output": [["Character", "\u00CC"]]},
+
+{"description": "Valid Unicode character U+00CD",
+"input": "\u00CD",
+"output": [["Character", "\u00CD"]]},
+
+{"description": "Valid Unicode character U+00CE",
+"input": "\u00CE",
+"output": [["Character", "\u00CE"]]},
+
+{"description": "Valid Unicode character U+00CF",
+"input": "\u00CF",
+"output": [["Character", "\u00CF"]]},
+
+{"description": "Valid Unicode character U+00D0",
+"input": "\u00D0",
+"output": [["Character", "\u00D0"]]},
+
+{"description": "Valid Unicode character U+00D1",
+"input": "\u00D1",
+"output": [["Character", "\u00D1"]]},
+
+{"description": "Valid Unicode character U+00D2",
+"input": "\u00D2",
+"output": [["Character", "\u00D2"]]},
+
+{"description": "Valid Unicode character U+00D3",
+"input": "\u00D3",
+"output": [["Character", "\u00D3"]]},
+
+{"description": "Valid Unicode character U+00D4",
+"input": "\u00D4",
+"output": [["Character", "\u00D4"]]},
+
+{"description": "Valid Unicode character U+00D5",
+"input": "\u00D5",
+"output": [["Character", "\u00D5"]]},
+
+{"description": "Valid Unicode character U+00D6",
+"input": "\u00D6",
+"output": [["Character", "\u00D6"]]},
+
+{"description": "Valid Unicode character U+00D7",
+"input": "\u00D7",
+"output": [["Character", "\u00D7"]]},
+
+{"description": "Valid Unicode character U+00D8",
+"input": "\u00D8",
+"output": [["Character", "\u00D8"]]},
+
+{"description": "Valid Unicode character U+00D9",
+"input": "\u00D9",
+"output": [["Character", "\u00D9"]]},
+
+{"description": "Valid Unicode character U+00DA",
+"input": "\u00DA",
+"output": [["Character", "\u00DA"]]},
+
+{"description": "Valid Unicode character U+00DB",
+"input": "\u00DB",
+"output": [["Character", "\u00DB"]]},
+
+{"description": "Valid Unicode character U+00DC",
+"input": "\u00DC",
+"output": [["Character", "\u00DC"]]},
+
+{"description": "Valid Unicode character U+00DD",
+"input": "\u00DD",
+"output": [["Character", "\u00DD"]]},
+
+{"description": "Valid Unicode character U+00DE",
+"input": "\u00DE",
+"output": [["Character", "\u00DE"]]},
+
+{"description": "Valid Unicode character U+00DF",
+"input": "\u00DF",
+"output": [["Character", "\u00DF"]]},
+
+{"description": "Valid Unicode character U+00E0",
+"input": "\u00E0",
+"output": [["Character", "\u00E0"]]},
+
+{"description": "Valid Unicode character U+00E1",
+"input": "\u00E1",
+"output": [["Character", "\u00E1"]]},
+
+{"description": "Valid Unicode character U+00E2",
+"input": "\u00E2",
+"output": [["Character", "\u00E2"]]},
+
+{"description": "Valid Unicode character U+00E3",
+"input": "\u00E3",
+"output": [["Character", "\u00E3"]]},
+
+{"description": "Valid Unicode character U+00E4",
+"input": "\u00E4",
+"output": [["Character", "\u00E4"]]},
+
+{"description": "Valid Unicode character U+00E5",
+"input": "\u00E5",
+"output": [["Character", "\u00E5"]]},
+
+{"description": "Valid Unicode character U+00E6",
+"input": "\u00E6",
+"output": [["Character", "\u00E6"]]},
+
+{"description": "Valid Unicode character U+00E7",
+"input": "\u00E7",
+"output": [["Character", "\u00E7"]]},
+
+{"description": "Valid Unicode character U+00E8",
+"input": "\u00E8",
+"output": [["Character", "\u00E8"]]},
+
+{"description": "Valid Unicode character U+00E9",
+"input": "\u00E9",
+"output": [["Character", "\u00E9"]]},
+
+{"description": "Valid Unicode character U+00EA",
+"input": "\u00EA",
+"output": [["Character", "\u00EA"]]},
+
+{"description": "Valid Unicode character U+00EB",
+"input": "\u00EB",
+"output": [["Character", "\u00EB"]]},
+
+{"description": "Valid Unicode character U+00EC",
+"input": "\u00EC",
+"output": [["Character", "\u00EC"]]},
+
+{"description": "Valid Unicode character U+00ED",
+"input": "\u00ED",
+"output": [["Character", "\u00ED"]]},
+
+{"description": "Valid Unicode character U+00EE",
+"input": "\u00EE",
+"output": [["Character", "\u00EE"]]},
+
+{"description": "Valid Unicode character U+00EF",
+"input": "\u00EF",
+"output": [["Character", "\u00EF"]]},
+
+{"description": "Valid Unicode character U+00F0",
+"input": "\u00F0",
+"output": [["Character", "\u00F0"]]},
+
+{"description": "Valid Unicode character U+00F1",
+"input": "\u00F1",
+"output": [["Character", "\u00F1"]]},
+
+{"description": "Valid Unicode character U+00F2",
+"input": "\u00F2",
+"output": [["Character", "\u00F2"]]},
+
+{"description": "Valid Unicode character U+00F3",
+"input": "\u00F3",
+"output": [["Character", "\u00F3"]]},
+
+{"description": "Valid Unicode character U+00F4",
+"input": "\u00F4",
+"output": [["Character", "\u00F4"]]},
+
+{"description": "Valid Unicode character U+00F5",
+"input": "\u00F5",
+"output": [["Character", "\u00F5"]]},
+
+{"description": "Valid Unicode character U+00F6",
+"input": "\u00F6",
+"output": [["Character", "\u00F6"]]},
+
+{"description": "Valid Unicode character U+00F7",
+"input": "\u00F7",
+"output": [["Character", "\u00F7"]]},
+
+{"description": "Valid Unicode character U+00F8",
+"input": "\u00F8",
+"output": [["Character", "\u00F8"]]},
+
+{"description": "Valid Unicode character U+00F9",
+"input": "\u00F9",
+"output": [["Character", "\u00F9"]]},
+
+{"description": "Valid Unicode character U+00FA",
+"input": "\u00FA",
+"output": [["Character", "\u00FA"]]},
+
+{"description": "Valid Unicode character U+00FB",
+"input": "\u00FB",
+"output": [["Character", "\u00FB"]]},
+
+{"description": "Valid Unicode character U+00FC",
+"input": "\u00FC",
+"output": [["Character", "\u00FC"]]},
+
+{"description": "Valid Unicode character U+00FD",
+"input": "\u00FD",
+"output": [["Character", "\u00FD"]]},
+
+{"description": "Valid Unicode character U+00FE",
+"input": "\u00FE",
+"output": [["Character", "\u00FE"]]},
+
+{"description": "Valid Unicode character U+00FF",
+"input": "\u00FF",
+"output": [["Character", "\u00FF"]]},
+
+{"description": "Valid Unicode character U+D7FF",
+"input": "\uD7FF",
+"output": [["Character", "\uD7FF"]]},
+
+{"description": "Valid Unicode character U+E000",
+"input": "\uE000",
+"output": [["Character", "\uE000"]]},
+
+{"description": "Valid Unicode character U+FDCF",
+"input": "\uFDCF",
+"output": [["Character", "\uFDCF"]]},
+
+{"description": "Valid Unicode character U+FDF0",
+"input": "\uFDF0",
+"output": [["Character", "\uFDF0"]]},
+
+{"description": "Valid Unicode character U+FFFD",
+"input": "\uFFFD",
+"output": [["Character", "\uFFFD"]]},
+
+{"description": "Valid Unicode character U+10000",
+"input": "\uD800\uDC00",
+"output": [["Character", "\uD800\uDC00"]]},
+
+{"description": "Valid Unicode character U+1FFFD",
+"input": "\uD83F\uDFFD",
+"output": [["Character", "\uD83F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+20000",
+"input": "\uD840\uDC00",
+"output": [["Character", "\uD840\uDC00"]]},
+
+{"description": "Valid Unicode character U+2FFFD",
+"input": "\uD87F\uDFFD",
+"output": [["Character", "\uD87F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+30000",
+"input": "\uD880\uDC00",
+"output": [["Character", "\uD880\uDC00"]]},
+
+{"description": "Valid Unicode character U+3FFFD",
+"input": "\uD8BF\uDFFD",
+"output": [["Character", "\uD8BF\uDFFD"]]},
+
+{"description": "Valid Unicode character U+40000",
+"input": "\uD8C0\uDC00",
+"output": [["Character", "\uD8C0\uDC00"]]},
+
+{"description": "Valid Unicode character U+4FFFD",
+"input": "\uD8FF\uDFFD",
+"output": [["Character", "\uD8FF\uDFFD"]]},
+
+{"description": "Valid Unicode character U+50000",
+"input": "\uD900\uDC00",
+"output": [["Character", "\uD900\uDC00"]]},
+
+{"description": "Valid Unicode character U+5FFFD",
+"input": "\uD93F\uDFFD",
+"output": [["Character", "\uD93F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+60000",
+"input": "\uD940\uDC00",
+"output": [["Character", "\uD940\uDC00"]]},
+
+{"description": "Valid Unicode character U+6FFFD",
+"input": "\uD97F\uDFFD",
+"output": [["Character", "\uD97F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+70000",
+"input": "\uD980\uDC00",
+"output": [["Character", "\uD980\uDC00"]]},
+
+{"description": "Valid Unicode character U+7FFFD",
+"input": "\uD9BF\uDFFD",
+"output": [["Character", "\uD9BF\uDFFD"]]},
+
+{"description": "Valid Unicode character U+80000",
+"input": "\uD9C0\uDC00",
+"output": [["Character", "\uD9C0\uDC00"]]},
+
+{"description": "Valid Unicode character U+8FFFD",
+"input": "\uD9FF\uDFFD",
+"output": [["Character", "\uD9FF\uDFFD"]]},
+
+{"description": "Valid Unicode character U+90000",
+"input": "\uDA00\uDC00",
+"output": [["Character", "\uDA00\uDC00"]]},
+
+{"description": "Valid Unicode character U+9FFFD",
+"input": "\uDA3F\uDFFD",
+"output": [["Character", "\uDA3F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+A0000",
+"input": "\uDA40\uDC00",
+"output": [["Character", "\uDA40\uDC00"]]},
+
+{"description": "Valid Unicode character U+AFFFD",
+"input": "\uDA7F\uDFFD",
+"output": [["Character", "\uDA7F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+B0000",
+"input": "\uDA80\uDC00",
+"output": [["Character", "\uDA80\uDC00"]]},
+
+{"description": "Valid Unicode character U+BFFFD",
+"input": "\uDABF\uDFFD",
+"output": [["Character", "\uDABF\uDFFD"]]},
+
+{"description": "Valid Unicode character U+C0000",
+"input": "\uDAC0\uDC00",
+"output": [["Character", "\uDAC0\uDC00"]]},
+
+{"description": "Valid Unicode character U+CFFFD",
+"input": "\uDAFF\uDFFD",
+"output": [["Character", "\uDAFF\uDFFD"]]},
+
+{"description": "Valid Unicode character U+D0000",
+"input": "\uDB00\uDC00",
+"output": [["Character", "\uDB00\uDC00"]]},
+
+{"description": "Valid Unicode character U+DFFFD",
+"input": "\uDB3F\uDFFD",
+"output": [["Character", "\uDB3F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+E0000",
+"input": "\uDB40\uDC00",
+"output": [["Character", "\uDB40\uDC00"]]},
+
+{"description": "Valid Unicode character U+EFFFD",
+"input": "\uDB7F\uDFFD",
+"output": [["Character", "\uDB7F\uDFFD"]]},
+
+{"description": "Valid Unicode character U+F0000",
+"input": "\uDB80\uDC00",
+"output": [["Character", "\uDB80\uDC00"]]},
+
+{"description": "Valid Unicode character U+FFFFD",
+"input": "\uDBBF\uDFFD",
+"output": [["Character", "\uDBBF\uDFFD"]]},
+
+{"description": "Valid Unicode character U+100000",
+"input": "\uDBC0\uDC00",
+"output": [["Character", "\uDBC0\uDC00"]]},
+
+{"description": "Valid Unicode character U+10FFFD",
+"input": "\uDBFF\uDFFD",
+"output": [["Character", "\uDBFF\uDFFD"]]}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/unicodeCharsProblematic.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/unicodeCharsProblematic.test
new file mode 100644
index 000000000..8fb54c411
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/unicodeCharsProblematic.test
@@ -0,0 +1,27 @@
+{"tests" : [
+{"description": "Invalid Unicode character U+DFFF",
+"doubleEscaped":true,
+"input": "\\uDFFF",
+"output":["ParseError", ["Character", "\\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+D800",
+"doubleEscaped":true,
+"input": "\\uD800",
+"output":["ParseError", ["Character", "\\uD800"]]},
+
+{"description": "Invalid Unicode character U+DFFF with valid preceding character",
+"doubleEscaped":true,
+"input": "a\\uDFFF",
+"output":[["Character", "a"], "ParseError", ["Character", "\\uDFFF"]]},
+
+{"description": "Invalid Unicode character U+D800 with valid following character",
+"doubleEscaped":true,
+"input": "\\uD800a",
+"output":["ParseError", ["Character", "\\uD800a"]]},
+
+{"description":"CR followed by U+0000",
+"input":"\r\u0000",
+"output":[["Character", "\n"], "ParseError", ["Character", "\u0000"]],
+"ignoreErrorOrder":true}
+]
+}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/xmlViolation.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/xmlViolation.test
new file mode 100644
index 000000000..137d96429
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tokenizer/xmlViolation.test
@@ -0,0 +1,22 @@
+{"xmlViolationTests": [
+
+{"description":"Non-XML character",
+"input":"a\uFFFFb",
+"ignoreErrorOrder":true,
+"output":["ParseError",["Character","a\uFFFDb"]]},
+
+{"description":"Non-XML space",
+"input":"a\u000Cb",
+"ignoreErrorOrder":true,
+"output":[["Character","a b"]]},
+
+{"description":"Double hyphen in comment",
+"input":"<!-- foo -- bar -->",
+"output":["ParseError",["Comment"," foo - - bar "]]},
+
+{"description":"FF between attributes",
+"input":"<a b=''\u000Cc=''>",
+"output":[["StartTag","a",{"b":"","c":""}]]}
+]}
+
+
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/README.md b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/README.md
new file mode 100644
index 000000000..2aba4bf86
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/README.md
@@ -0,0 +1,98 @@
+Tree Construction Tests
+=======================
+
+Each file containing tree construction tests consists of any number of
+tests separated by two newlines (LF) and a single newline before the end
+of the file. For instance:
+
+    [TEST]LF
+    LF
+    [TEST]LF
+    LF
+    [TEST]LF
+
+Where [TEST] is the following format:
+
+Each test must begin with a string "\#data" followed by a newline (LF).
+All subsequent lines until a line that says "\#errors" are the test data
+and must be passed to the system being tested unchanged, except with the
+final newline (on the last line) removed.
+
+Then there must be a line that says "\#errors". It must be followed by
+one line per parse error that a conformant checker would return. It
+doesn't matter what those lines are, although they can't be
+"\#document-fragment", "\#document", "\#script-off", "\#script-on", or
+empty, the only thing that matters is that there be the right number
+of parse errors.
+
+Then there \*may\* be a line that says "\#document-fragment", which must
+be followed by a newline (LF), followed by a string of characters that
+indicates the context element, followed by a newline (LF). If this line
+is present the "\#data" must be parsed using the HTML fragment parsing
+algorithm with the context element as context.
+
+Then there \*may\* be a line that says "\#script-off" or
+"\#script-in". If a line that says "\#script-off" is present, the
+parser must set the scripting flag to disabled. If a line that says
+"\#script-on" is present, it must set it to enabled. Otherwise, the
+test should be run in both modes.
+
+Then there must be a line that says "\#document", which must be followed
+by a dump of the tree of the parsed DOM. Each node must be represented
+by a single line. Each line must start with "| ", followed by two spaces
+per parent node that the node has before the root document node.
+
+-   Element nodes must be represented by a "`<`" then the *tag name
+    string* "`>`", and all the attributes must be given, sorted
+    lexicographically by UTF-16 code unit according to their *attribute
+    name string*, on subsequent lines, as if they were children of the
+    element node.
+-   Attribute nodes must have the *attribute name string*, then an "="
+    sign, then the attribute value in double quotes (").
+-   Text nodes must be the string, in double quotes. Newlines aren't
+    escaped.
+-   Comments must be "`<`" then "`!-- `" then the data then "` -->`".
+-   DOCTYPEs must be "`<!DOCTYPE `" then the name then if either of the
+    system id or public id is non-empty a space, public id in
+    double-quotes, another space an the system id in double-quotes, and
+    then in any case "`>`".
+-   Processing instructions must be "`<?`", then the target, then a
+    space, then the data and then "`>`". (The HTML parser cannot emit
+    processing instructions, but scripts can, and the WebVTT to DOM
+    rules can emit them.)
+-   Template contents are represented by the string "content" with the
+    children below it.
+
+The *tag name string* is the local name prefixed by a namespace
+designator. For the HTML namespace, the namespace designator is the
+empty string, i.e. there's no prefix. For the SVG namespace, the
+namespace designator is "svg ". For the MathML namespace, the namespace
+designator is "math ".
+
+The *attribute name string* is the local name prefixed by a namespace
+designator. For no namespace, the namespace designator is the empty
+string, i.e. there's no prefix. For the XLink namespace, the namespace
+designator is "xlink ". For the XML namespace, the namespace designator
+is "xml ". For the XMLNS namespace, the namespace designator is "xmlns
+". Note the difference between "xlink:href" which is an attribute in no
+namespace with the local name "xlink:href" and "xlink href" which is an
+attribute in the xlink namespace with the local name "href".
+
+If there is also a "\#document-fragment" the bit following "\#document"
+must be a representation of the HTML fragment serialization for the
+context element given by "\#document-fragment".
+
+For example:
+
+    #data
+    <p>One<p>Two
+    #errors
+    3: Missing document type declaration
+    #document
+    | <html>
+    |   <head>
+    |   <body>
+    |     <p>
+    |       "One"
+    |     <p>
+    |       "Two"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/adoption01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/adoption01.dat
new file mode 100644
index 000000000..2e1127e51
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/adoption01.dat
@@ -0,0 +1,337 @@
+#data
+<a><p></a></p>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,10): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|     <p>
+|       <a>
+
+#data
+<a>1<p>2</a>3</p>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,12): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       "1"
+|     <p>
+|       <a>
+|         "2"
+|       "3"
+
+#data
+<a>1<button>2</a>3</button>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,17): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       "1"
+|     <button>
+|       <a>
+|         "2"
+|       "3"
+
+#data
+<a>1<b>2</a>3</b>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,12): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       "1"
+|       <b>
+|         "2"
+|     <b>
+|       "3"
+
+#data
+<a>1<div>2<div>3</a>4</div>5</div>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,20): adoption-agency-1.3
+(1,20): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       "1"
+|     <div>
+|       <a>
+|         "2"
+|       <div>
+|         <a>
+|           "3"
+|         "4"
+|       "5"
+
+#data
+<table><a>1<p>2</a>3</p>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,10): unexpected-start-tag-implies-table-voodoo
+(1,11): unexpected-character-implies-table-voodoo
+(1,14): unexpected-start-tag-implies-table-voodoo
+(1,15): unexpected-character-implies-table-voodoo
+(1,19): unexpected-end-tag-implies-table-voodoo
+(1,19): adoption-agency-1.3
+(1,20): unexpected-character-implies-table-voodoo
+(1,24): unexpected-end-tag-implies-table-voodoo
+(1,24): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       "1"
+|     <p>
+|       <a>
+|         "2"
+|       "3"
+|     <table>
+
+#data
+<b><b><a><p></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,16): adoption-agency-1.3
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <b>
+|         <a>
+|         <p>
+|           <a>
+
+#data
+<b><a><b><p></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,16): adoption-agency-1.3
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <a>
+|         <b>
+|       <b>
+|         <p>
+|           <a>
+
+#data
+<a><b><b><p></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,16): adoption-agency-1.3
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <b>
+|         <b>
+|     <b>
+|       <b>
+|         <p>
+|           <a>
+
+#data
+<p>1<s id="A">2<b id="B">3</p>4</s>5</b>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,30): unexpected-end-tag
+(1,35): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "1"
+|       <s>
+|         id="A"
+|         "2"
+|         <b>
+|           id="B"
+|           "3"
+|     <s>
+|       id="A"
+|       <b>
+|         id="B"
+|         "4"
+|     <b>
+|       id="B"
+|       "5"
+
+#data
+<table><a>1<td>2</td>3</table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,10): unexpected-start-tag-implies-table-voodoo
+(1,11): unexpected-character-implies-table-voodoo
+(1,15): unexpected-cell-in-table-body
+(1,30): unexpected-implied-end-tag-in-table-view
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       "1"
+|     <a>
+|       "3"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "2"
+
+#data
+<table>A<td>B</td>C</table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,8): unexpected-character-implies-table-voodoo
+(1,12): unexpected-cell-in-table-body
+(1,22): unexpected-character-implies-table-voodoo
+#document
+| <html>
+|   <head>
+|   <body>
+|     "AC"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "B"
+
+#data
+<a><svg><tr><input></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,23): unexpected-end-tag
+(1,23): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <svg svg>
+|         <svg tr>
+|           <svg input>
+
+#data
+<div><a><b><div><div><div><div><div><div><div><div><div><div></a>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,65): adoption-agency-1.3
+(1,65): adoption-agency-1.3
+(1,65): adoption-agency-1.3
+(1,65): adoption-agency-1.3
+(1,65): adoption-agency-1.3
+(1,65): adoption-agency-1.3
+(1,65): adoption-agency-1.3
+(1,65): adoption-agency-1.3
+(1,65): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <a>
+|         <b>
+|       <b>
+|         <div>
+|           <a>
+|           <div>
+|             <a>
+|             <div>
+|               <a>
+|               <div>
+|                 <a>
+|                 <div>
+|                   <a>
+|                   <div>
+|                     <a>
+|                     <div>
+|                       <a>
+|                       <div>
+|                         <a>
+|                           <div>
+|                             <div>
+
+#data
+<div><a><b><u><i><code><div></a>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,32): adoption-agency-1.3
+(1,32): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <a>
+|         <b>
+|           <u>
+|             <i>
+|               <code>
+|       <u>
+|         <i>
+|           <code>
+|             <div>
+|               <a>
+
+#data
+<b><b><b><b>x</b></b></b></b>y
+#errors
+(1,3): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <b>
+|         <b>
+|           <b>
+|             "x"
+|     "y"
+
+#data
+<p><b><b><b><b><p>x
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,18): unexpected-end-tag
+(1,19): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <b>
+|         <b>
+|           <b>
+|             <b>
+|     <p>
+|       <b>
+|         <b>
+|           <b>
+|             "x"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/adoption02.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/adoption02.dat
new file mode 100644
index 000000000..e54d8033b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/adoption02.dat
@@ -0,0 +1,39 @@
+#data
+<b>1<i>2<p>3</b>4
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,16): adoption-agency-1.3
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "1"
+|       <i>
+|         "2"
+|     <i>
+|       <p>
+|         <b>
+|           "3"
+|         "4"
+
+#data
+<a><div><style></style><address><a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,35): unexpected-start-tag-implies-end-tag
+(1,35): adoption-agency-1.3
+(1,35): adoption-agency-1.3
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|     <div>
+|       <a>
+|         <style>
+|       <address>
+|         <a>
+|         <a>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/comments01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/comments01.dat
new file mode 100644
index 000000000..35ec6cced
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/comments01.dat
@@ -0,0 +1,178 @@
+#data
+FOO<!-- BAR -->BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  BAR  -->
+|     "BAZ"
+
+#data
+FOO<!-- BAR --!>BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,15): unexpected-bang-after-double-dash-in-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  BAR  -->
+|     "BAZ"
+
+#data
+FOO<!-- BAR --   >BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,15): unexpected-char-in-comment
+(1,21): eof-in-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  BAR --   >BAZ -->
+
+#data
+FOO<!-- BAR -- <QUX> -- MUX -->BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,15): unexpected-char-in-comment
+(1,24): unexpected-char-in-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  BAR -- <QUX> -- MUX  -->
+|     "BAZ"
+
+#data
+FOO<!-- BAR -- <QUX> -- MUX --!>BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,15): unexpected-char-in-comment
+(1,24): unexpected-char-in-comment
+(1,31): unexpected-bang-after-double-dash-in-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  BAR -- <QUX> -- MUX  -->
+|     "BAZ"
+
+#data
+FOO<!-- BAR -- <QUX> -- MUX -- >BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,15): unexpected-char-in-comment
+(1,24): unexpected-char-in-comment
+(1,31): unexpected-char-in-comment
+(1,35): eof-in-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  BAR -- <QUX> -- MUX -- >BAZ -->
+
+#data
+FOO<!---->BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  -->
+|     "BAZ"
+
+#data
+FOO<!--->BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,9): incorrect-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  -->
+|     "BAZ"
+
+#data
+FOO<!-->BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,8): incorrect-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!--  -->
+|     "BAZ"
+
+#data
+<?xml version="1.0">Hi
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,22): expected-doctype-but-got-chars
+#document
+| <!-- ?xml version="1.0" -->
+| <html>
+|   <head>
+|   <body>
+|     "Hi"
+
+#data
+<?xml version="1.0">
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,20): expected-doctype-but-got-eof
+#document
+| <!-- ?xml version="1.0" -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<?xml version
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,13): expected-doctype-but-got-eof
+#document
+| <!-- ?xml version -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+FOO<!----->BAZ
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,10): unexpected-dash-after-double-dash-in-comment
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <!-- - -->
+|     "BAZ"
+
+#data
+<html><!-- comment --><title>Comment before head</title>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <!--  comment  -->
+|   <head>
+|     <title>
+|       "Comment before head"
+|   <body>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/doctype01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/doctype01.dat
new file mode 100644
index 000000000..cec663897
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/doctype01.dat
@@ -0,0 +1,424 @@
+#data
+<!DOCTYPE html>Hello
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!dOctYpE HtMl>Hello
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPEhtml>Hello
+#errors
+(1,9): need-space-after-doctype
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE>Hello
+#errors
+(1,9): need-space-after-doctype
+(1,10): expected-doctype-name-but-got-right-bracket
+(1,10): unknown-doctype
+#document
+| <!DOCTYPE >
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE >Hello
+#errors
+(1,11): expected-doctype-name-but-got-right-bracket
+(1,11): unknown-doctype
+#document
+| <!DOCTYPE >
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato>Hello
+#errors
+(1,17): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato >Hello
+#errors
+(1,18): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato taco>Hello
+#errors
+(1,17): expected-space-or-right-bracket-in-doctype
+(1,22): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato taco "ddd>Hello
+#errors
+(1,17): expected-space-or-right-bracket-in-doctype
+(1,27): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato sYstEM>Hello
+#errors
+(1,24): unexpected-char-in-doctype
+(1,24): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato sYstEM    >Hello
+#errors
+(1,28): unexpected-char-in-doctype
+(1,28): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE   potato       sYstEM  ggg>Hello
+#errors
+(1,34): unexpected-char-in-doctype
+(1,37): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato SYSTEM taco  >Hello
+#errors
+(1,25): unexpected-char-in-doctype
+(1,31): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato SYSTEM 'taco"'>Hello
+#errors
+(1,32): unknown-doctype
+#document
+| <!DOCTYPE potato "" "taco"">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato SYSTEM "taco">Hello
+#errors
+(1,31): unknown-doctype
+#document
+| <!DOCTYPE potato "" "taco">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato SYSTEM "tai'co">Hello
+#errors
+(1,33): unknown-doctype
+#document
+| <!DOCTYPE potato "" "tai'co">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato SYSTEMtaco "ddd">Hello
+#errors
+(1,24): unexpected-char-in-doctype
+(1,34): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato grass SYSTEM taco>Hello
+#errors
+(1,17): expected-space-or-right-bracket-in-doctype
+(1,35): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato pUbLIc>Hello
+#errors
+(1,24): unexpected-end-of-doctype
+(1,24): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato pUbLIc >Hello
+#errors
+(1,25): unexpected-end-of-doctype
+(1,25): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato pUbLIcgoof>Hello
+#errors
+(1,24): unexpected-char-in-doctype
+(1,28): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato PUBLIC goof>Hello
+#errors
+(1,25): unexpected-char-in-doctype
+(1,29): unknown-doctype
+#document
+| <!DOCTYPE potato>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato PUBLIC "go'of">Hello
+#errors
+(1,32): unknown-doctype
+#document
+| <!DOCTYPE potato "go'of" "">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato PUBLIC 'go'of'>Hello
+#errors
+(1,29): unexpected-char-in-doctype
+(1,32): unknown-doctype
+#document
+| <!DOCTYPE potato "go" "">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato PUBLIC 'go:hh   of' >Hello
+#errors
+(1,38): unknown-doctype
+#document
+| <!DOCTYPE potato "go:hh   of" "">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE potato PUBLIC "W3C-//dfdf" SYSTEM ggg>Hello
+#errors
+(1,38): unexpected-char-in-doctype
+(1,48): unknown-doctype
+#document
+| <!DOCTYPE potato "W3C-//dfdf" "">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
+   "http://www.w3.org/TR/html4/strict.dtd">Hello
+#errors
+#document
+| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE ...>Hello
+#errors
+(1,14): unknown-doctype
+#document
+| <!DOCTYPE ...>
+| <html>
+|   <head>
+|   <body>
+|     "Hello"
+
+#data
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+#errors
+(2,58): unknown-doctype
+#document
+| <!DOCTYPE html "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN"
+"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
+#errors
+(2,54): unknown-doctype
+#document
+| <!DOCTYPE html "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE root-element [SYSTEM OR PUBLIC FPI] "uri" [ 
+<!-- internal declarations -->
+]>
+#errors
+(1,23): expected-space-or-right-bracket-in-doctype
+(2,30): unknown-doctype
+#document
+| <!DOCTYPE root-element>
+| <html>
+|   <head>
+|   <body>
+|     "]>"
+
+#data
+<!DOCTYPE html PUBLIC
+  "-//WAPFORUM//DTD XHTML Mobile 1.0//EN"
+    "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
+#errors
+(3,53): unknown-doctype
+#document
+| <!DOCTYPE html "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE HTML SYSTEM "http://www.w3.org/DTD/HTML4-strict.dtd"><body><b>Mine!</b></body>
+#errors
+(1,63): unknown-doctype
+#document
+| <!DOCTYPE html "" "http://www.w3.org/DTD/HTML4-strict.dtd">
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "Mine!"
+
+#data
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd">
+#errors
+(1,50): unexpected-char-in-doctype
+#document
+| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"'http://www.w3.org/TR/html4/strict.dtd'>
+#errors
+(1,50): unexpected-char-in-doctype
+#document
+| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01//EN"'http://www.w3.org/TR/html4/strict.dtd'>
+#errors
+(1,21): unexpected-char-in-doctype
+(1,49): unexpected-char-in-doctype
+#document
+| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE HTML PUBLIC'-//W3C//DTD HTML 4.01//EN''http://www.w3.org/TR/html4/strict.dtd'>
+#errors
+(1,21): unexpected-char-in-doctype
+(1,49): unexpected-char-in-doctype
+#document
+| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+| <html>
+|   <head>
+|   <body>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/domjs-unsafe.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/domjs-unsafe.dat
new file mode 100644
index 000000000..34b4e6271
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/domjs-unsafe.dat
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/entities01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/entities01.dat
new file mode 100644
index 000000000..20d53a0fd
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/entities01.dat
@@ -0,0 +1,723 @@
+#data
+FOO&gt;BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO>BAR"
+
+#data
+FOO&gtBAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,6): named-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO>BAR"
+
+#data
+FOO&gt BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,6): named-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO> BAR"
+
+#data
+FOO&gt;;;BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO>;;BAR"
+
+#data
+I'm &notit; I tell you
+#errors
+(1,4): expected-doctype-but-got-chars
+(1,9): named-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     "I'm ¬it; I tell you"
+
+#data
+I'm &notin; I tell you
+#errors
+(1,4): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "I'm ∉ I tell you"
+
+#data
+FOO& BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO& BAR"
+
+#data
+FOO&<BAR>
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,9): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO&"
+|     <bar>
+
+#data
+FOO&&&&gt;BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO&&&>BAR"
+
+#data
+FOO&#41;BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO)BAR"
+
+#data
+FOO&#x41;BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOABAR"
+
+#data
+FOO&#X41;BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOABAR"
+
+#data
+FOO&#BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,5): expected-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO&#BAR"
+
+#data
+FOO&#ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,5): expected-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO&#ZOO"
+
+#data
+FOO&#xBAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,7): expected-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOºR"
+
+#data
+FOO&#xZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,6): expected-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO&#xZOO"
+
+#data
+FOO&#XZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,6): expected-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO&#XZOO"
+
+#data
+FOO&#41BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,7): numeric-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO)BAR"
+
+#data
+FOO&#x41BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,10): numeric-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO䆺R"
+
+#data
+FOO&#x41ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,8): numeric-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOAZOO"
+
+#data
+FOO&#x0000;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO�ZOO"
+
+#data
+FOO&#x0078;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOxZOO"
+
+#data
+FOO&#x0079;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOyZOO"
+
+#data
+FOO&#x0080;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO€ZOO"
+
+#data
+FOO&#x0081;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOZOO"
+
+#data
+FOO&#x0082;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO‚ZOO"
+
+#data
+FOO&#x0083;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOƒZOO"
+
+#data
+FOO&#x0084;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO„ZOO"
+
+#data
+FOO&#x0085;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO…ZOO"
+
+#data
+FOO&#x0086;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO†ZOO"
+
+#data
+FOO&#x0087;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO‡ZOO"
+
+#data
+FOO&#x0088;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOˆZOO"
+
+#data
+FOO&#x0089;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO‰ZOO"
+
+#data
+FOO&#x008A;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOŠZOO"
+
+#data
+FOO&#x008B;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO‹ZOO"
+
+#data
+FOO&#x008C;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOŒZOO"
+
+#data
+FOO&#x008D;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOZOO"
+
+#data
+FOO&#x008E;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOŽZOO"
+
+#data
+FOO&#x008F;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOZOO"
+
+#data
+FOO&#x0090;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOZOO"
+
+#data
+FOO&#x0091;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO‘ZOO"
+
+#data
+FOO&#x0092;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO’ZOO"
+
+#data
+FOO&#x0093;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO“ZOO"
+
+#data
+FOO&#x0094;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO”ZOO"
+
+#data
+FOO&#x0095;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO•ZOO"
+
+#data
+FOO&#x0096;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO–ZOO"
+
+#data
+FOO&#x0097;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO—ZOO"
+
+#data
+FOO&#x0098;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO˜ZOO"
+
+#data
+FOO&#x0099;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO™ZOO"
+
+#data
+FOO&#x009A;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOšZOO"
+
+#data
+FOO&#x009B;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO›ZOO"
+
+#data
+FOO&#x009C;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOœZOO"
+
+#data
+FOO&#x009D;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOZOO"
+
+#data
+FOO&#x009E;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOžZOO"
+
+#data
+FOO&#x009F;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOŸZOO"
+
+#data
+FOO&#x00A0;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO ZOO"
+
+#data
+FOO&#xD7FF;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO퟿ZOO"
+
+#data
+FOO&#xD800;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO�ZOO"
+
+#data
+FOO&#xD801;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO�ZOO"
+
+#data
+FOO&#xDFFE;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO�ZOO"
+
+#data
+FOO&#xDFFF;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,11): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO�ZOO"
+
+#data
+FOO&#xE000;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOOZOO"
+
+#data
+FOO&#x10FFFE;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,13): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO􏿾ZOO"
+
+#data
+FOO&#x1087D4;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO􈟔ZOO"
+
+#data
+FOO&#x10FFFF;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,13): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO􏿿ZOO"
+
+#data
+FOO&#x110000;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,13): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO�ZOO"
+
+#data
+FOO&#xFFFFFF;ZOO
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,13): illegal-codepoint-for-numeric-entity
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO�ZOO"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/entities02.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/entities02.dat
new file mode 100644
index 000000000..f117f068a
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/entities02.dat
@@ -0,0 +1,283 @@
+#data
+<div bar="ZZ&gt;YY"></div>
+#errors
+(1,20): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ>YY"
+
+#data
+<div bar="ZZ&"></div>
+#errors
+(1,15): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&"
+
+#data
+<div bar='ZZ&'></div>
+#errors
+(1,15): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&"
+
+#data
+<div bar=ZZ&></div>
+#errors
+(1,13): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&"
+
+#data
+<div bar="ZZ&gt=YY"></div>
+#errors
+(1,15): named-entity-without-semicolon
+(1,20): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&gt=YY"
+
+#data
+<div bar="ZZ&gt0YY"></div>
+#errors
+(1,20): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&gt0YY"
+
+#data
+<div bar="ZZ&gt9YY"></div>
+#errors
+(1,20): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&gt9YY"
+
+#data
+<div bar="ZZ&gtaYY"></div>
+#errors
+(1,20): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&gtaYY"
+
+#data
+<div bar="ZZ&gtZYY"></div>
+#errors
+(1,20): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&gtZYY"
+
+#data
+<div bar="ZZ&gt YY"></div>
+#errors
+(1,15): named-entity-without-semicolon
+(1,20): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ> YY"
+
+#data
+<div bar="ZZ&gt"></div>
+#errors
+(1,15): named-entity-without-semicolon
+(1,17): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ>"
+
+#data
+<div bar='ZZ&gt'></div>
+#errors
+(1,15): named-entity-without-semicolon
+(1,17): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ>"
+
+#data
+<div bar=ZZ&gt></div>
+#errors
+(1,14): named-entity-without-semicolon
+(1,15): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ>"
+
+#data
+<div bar="ZZ&pound_id=23"></div>
+#errors
+(1,18): named-entity-without-semicolon
+(1,26): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ£_id=23"
+
+#data
+<div bar="ZZ&prod_id=23"></div>
+#errors
+(1,25): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&prod_id=23"
+
+#data
+<div bar="ZZ&pound;_id=23"></div>
+#errors
+(1,27): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ£_id=23"
+
+#data
+<div bar="ZZ&prod;_id=23"></div>
+#errors
+(1,26): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ∏_id=23"
+
+#data
+<div bar="ZZ&pound=23"></div>
+#errors
+(1,18): named-entity-without-semicolon
+(1,23): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&pound=23"
+
+#data
+<div bar="ZZ&prod=23"></div>
+#errors
+(1,22): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       bar="ZZ&prod=23"
+
+#data
+<div>ZZ&pound_id=23</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,13): named-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "ZZ£_id=23"
+
+#data
+<div>ZZ&prod_id=23</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "ZZ&prod_id=23"
+
+#data
+<div>ZZ&pound;_id=23</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "ZZ£_id=23"
+
+#data
+<div>ZZ&prod;_id=23</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "ZZ∏_id=23"
+
+#data
+<div>ZZ&pound=23</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,13): named-entity-without-semicolon
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "ZZ£=23"
+
+#data
+<div>ZZ&prod=23</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "ZZ&prod=23"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/html5test-com.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/html5test-com.dat
new file mode 100644
index 000000000..8c6ec40cd
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/html5test-com.dat
@@ -0,0 +1,291 @@
+#data
+<div<div>
+#errors
+(1,9): expected-doctype-but-got-start-tag
+(1,9): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div<div>
+
+#data
+<div foo<bar=''>
+#errors
+(1,9): invalid-character-in-attribute-name
+(1,16): expected-doctype-but-got-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       foo<bar=""
+
+#data
+<div foo=`bar`>
+#errors
+(1,10): equals-in-unquoted-attribute-value
+(1,14): unexpected-character-in-unquoted-attribute-value
+(1,15): expected-doctype-but-got-start-tag
+(1,15): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       foo="`bar`"
+
+#data
+<div \"foo=''>
+#errors
+(1,7): invalid-character-in-attribute-name
+(1,14): expected-doctype-but-got-start-tag
+(1,14): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       \"foo=""
+
+#data
+<a href='\nbar'></a>
+#errors
+(1,16): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       href="\nbar"
+
+#data
+<!DOCTYPE html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+&lang;&rang;
+#errors
+(1,6): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "⟨⟩"
+
+#data
+&apos;
+#errors
+(1,6): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "'"
+
+#data
+&ImaginaryI;
+#errors
+(1,12): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "ⅈ"
+
+#data
+&Kopf;
+#errors
+(1,6): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "𝕂"
+
+#data
+&notinva;
+#errors
+(1,9): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "∉"
+
+#data
+<?import namespace="foo" implementation="#bar">
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,47): expected-doctype-but-got-eof
+#document
+| <!-- ?import namespace="foo" implementation="#bar" -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!--foo--bar-->
+#errors
+(1,10): unexpected-char-in-comment
+(1,15): expected-doctype-but-got-eof
+#document
+| <!-- foo--bar -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<![CDATA[x]]>
+#errors
+(1,2): expected-dashes-or-doctype
+(1,13): expected-doctype-but-got-eof
+#document
+| <!-- [CDATA[x]] -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<textarea><!--</textarea>--></textarea>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,39): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "<!--"
+|     "-->"
+
+#data
+<textarea><!--</textarea>-->
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "<!--"
+|     "-->"
+
+#data
+<style><!--</style>--></style>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,30): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--"
+|   <body>
+|     "-->"
+
+#data
+<style><!--</style>-->
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--"
+|   <body>
+|     "-->"
+
+#data
+<ul><li>A </li> <li>B</li></ul>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ul>
+|       <li>
+|         "A "
+|       " "
+|       <li>
+|         "B"
+
+#data
+<table><form><input type=hidden><input></form><div></div></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,13): unexpected-form-in-table
+(1,32): unexpected-hidden-input-in-table
+(1,39): unexpected-start-tag-implies-table-voodoo
+(1,46): unexpected-end-tag-implies-table-voodoo
+(1,46): unexpected-end-tag
+(1,51): unexpected-start-tag-implies-table-voodoo
+(1,57): unexpected-end-tag-implies-table-voodoo
+#document
+| <html>
+|   <head>
+|   <body>
+|     <input>
+|     <div>
+|     <table>
+|       <form>
+|       <input>
+|         type="hidden"
+
+#data
+<i>A<b>B<p></i>C</b>D
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,15): adoption-agency-1.3
+(1,20): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <i>
+|       "A"
+|       <b>
+|         "B"
+|     <b>
+|     <p>
+|       <b>
+|         <i>
+|         "C"
+|       "D"
+
+#data
+<div></div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+
+#data
+<svg></svg>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+
+#data
+<math></math>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/inbody01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/inbody01.dat
new file mode 100644
index 000000000..10f6520f6
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/inbody01.dat
@@ -0,0 +1,54 @@
+#data
+<button>1</foo>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,15): unexpected-end-tag
+(1,15): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <button>
+|       "1"
+
+#data
+<foo>1<p>2</foo>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,16): unexpected-end-tag
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <foo>
+|       "1"
+|       <p>
+|         "2"
+
+#data
+<dd>1</foo>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+(1,11): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <dd>
+|       "1"
+
+#data
+<foo>1<dd>2</foo>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): unexpected-end-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <foo>
+|       "1"
+|       <dd>
+|         "2"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/isindex.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/isindex.dat
new file mode 100644
index 000000000..42ef997f7
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/isindex.dat
@@ -0,0 +1,47 @@
+#data
+<isindex>
+#errors
+(1,9): expected-doctype-but-got-start-tag
+(1,9): deprecated-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <hr>
+|       <label>
+|         "This is a searchable index. Enter search keywords: "
+|         <input>
+|           name="isindex"
+|       <hr>
+
+#data
+<isindex name="A" action="B" prompt="C" foo="D">
+#errors
+(1,48): expected-doctype-but-got-start-tag
+(1,48): deprecated-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       action="B"
+|       <hr>
+|       <label>
+|         "C"
+|         <input>
+|           foo="D"
+|           name="isindex"
+|       <hr>
+
+#data
+<form><isindex>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,15): deprecated-tag
+(1,15): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <form>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/main-element.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/main-element.dat
new file mode 100644
index 000000000..4b103bb0f
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/main-element.dat
@@ -0,0 +1,46 @@
+#data
+<!doctype html><p>foo<main>bar<p>baz
+#errors
+(1,36): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "foo"
+|     <main>
+|       "bar"
+|       <p>
+|         "baz"
+
+#data
+<!doctype html><main><p>foo</main>bar
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <main>
+|       <p>
+|         "foo"
+|     "bar"
+
+#data
+<!DOCTYPE html>xxx<svg><x><g><a><main><b>
+#errors
+ * (1,42) unexpected HTML-like start tag token in foreign content
+ * (1,42) unexpected end of file
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "xxx"
+|     <svg svg>
+|       <svg x>
+|         <svg g>
+|           <svg a>
+|             <svg main>
+|     <b>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/pending-spec-changes-plain-text-unsafe.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/pending-spec-changes-plain-text-unsafe.dat
new file mode 100644
index 000000000..3ee8cec90
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/pending-spec-changes-plain-text-unsafe.dat
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/pending-spec-changes.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/pending-spec-changes.dat
new file mode 100644
index 000000000..1647d7f23
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/pending-spec-changes.dat
@@ -0,0 +1,46 @@
+#data
+<input type="hidden"><frameset>
+#errors
+(1,21): expected-doctype-but-got-start-tag
+(1,31): unexpected-start-tag
+(1,31): eof-in-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!DOCTYPE html><table><caption><svg>foo</table>bar
+#errors
+(1,47): unexpected-end-tag
+(1,47): end-table-tag-in-caption
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <svg svg>
+|           "foo"
+|     "bar"
+
+#data
+<table><tr><td><svg><desc><td></desc><circle>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,30): unexpected-cell-end-tag
+(1,37): unexpected-end-tag
+(1,45): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <svg svg>
+|               <svg desc>
+|           <td>
+|             <circle>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/plain-text-unsafe.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/plain-text-unsafe.dat
new file mode 100644
index 000000000..f40dd5760
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/plain-text-unsafe.dat
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/ruby.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/ruby.dat
new file mode 100644
index 000000000..80d0c5331
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/ruby.dat
@@ -0,0 +1,298 @@
+#data
+<html><ruby>a<rb>b<rb></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rb>
+|         "b"
+|       <rb>
+
+#data
+<html><ruby>a<rb>b<rt></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rb>
+|         "b"
+|       <rt>
+
+#data
+<html><ruby>a<rb>b<rtc></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rb>
+|         "b"
+|       <rtc>
+
+#data
+<html><ruby>a<rb>b<rp></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rb>
+|         "b"
+|       <rp>
+
+#data
+<html><ruby>a<rb>b<span></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rb>
+|         "b"
+|         <span>
+
+#data
+<html><ruby>a<rt>b<rb></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rt>
+|         "b"
+|       <rb>
+
+#data
+<html><ruby>a<rt>b<rt></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rt>
+|         "b"
+|       <rt>
+
+#data
+<html><ruby>a<rt>b<rtc></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rt>
+|         "b"
+|       <rtc>
+
+#data
+<html><ruby>a<rt>b<rp></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rt>
+|         "b"
+|       <rp>
+
+#data
+<html><ruby>a<rt>b<span></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rt>
+|         "b"
+|         <span>
+
+#data
+<html><ruby>a<rtc>b<rb></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rtc>
+|         "b"
+|       <rb>
+
+#data
+<html><ruby>a<rtc>b<rt>c<rt>d</ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rtc>
+|         "b"
+|         <rt>
+|           "c"
+|         <rt>
+|           "d"
+
+#data
+<html><ruby>a<rtc>b<rtc></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rtc>
+|         "b"
+|       <rtc>
+
+#data
+<html><ruby>a<rtc>b<rp></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rtc>
+|         "b"
+|       <rp>
+
+#data
+<html><ruby>a<rtc>b<span></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rtc>
+|         "b"
+|         <span>
+
+#data
+<html><ruby>a<rp>b<rb></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rp>
+|         "b"
+|       <rb>
+
+#data
+<html><ruby>a<rp>b<rt></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rp>
+|         "b"
+|       <rt>
+
+#data
+<html><ruby>a<rp>b<rtc></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rp>
+|         "b"
+|       <rtc>
+
+#data
+<html><ruby>a<rp>b<rp></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rp>
+|         "b"
+|       <rp>
+
+#data
+<html><ruby>a<rp>b<span></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rp>
+|         "b"
+|         <span>
+
+#data
+<html><ruby><rtc><ruby>a<rb>b<rt></ruby></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <rtc>
+|         <ruby>
+|           "a"
+|           <rb>
+|             "b"
+|           <rt>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scriptdata01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scriptdata01.dat
new file mode 100644
index 000000000..ac698d282
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scriptdata01.dat
@@ -0,0 +1,365 @@
+#data
+FOO<script>'Hello'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'Hello'"
+|     "BAR"
+
+#data
+FOO<script></script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|     "BAR"
+
+#data
+FOO<script></script >BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|     "BAR"
+
+#data
+FOO<script></script/>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,21): self-closing-flag-on-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|     "BAR"
+
+#data
+FOO<script></script/ >BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,20): unexpected-character-after-solidus-in-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|     "BAR"
+
+#data
+FOO<script type="text/plain"></scriptx>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,42): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "</scriptx>BAR"
+
+#data
+FOO<script></script foo=">" dd>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,31): attributes-in-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|     "BAR"
+
+#data
+FOO<script>'<'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<'"
+|     "BAR"
+
+#data
+FOO<script>'<!'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!'"
+|     "BAR"
+
+#data
+FOO<script>'<!-'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!-'"
+|     "BAR"
+
+#data
+FOO<script>'<!--'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!--'"
+|     "BAR"
+
+#data
+FOO<script>'<!---'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!---'"
+|     "BAR"
+
+#data
+FOO<script>'<!-->'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!-->'"
+|     "BAR"
+
+#data
+FOO<script>'<!-->'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!-->'"
+|     "BAR"
+
+#data
+FOO<script>'<!-- potato'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!-- potato'"
+|     "BAR"
+
+#data
+FOO<script>'<!-- <sCrIpt'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!-- <sCrIpt'"
+|     "BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt>'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,56): expected-script-data-but-got-eof
+(1,56): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt>'</script>BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt> -'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,58): expected-script-data-but-got-eof
+(1,58): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt> -'</script>BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt> --'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,59): expected-script-data-but-got-eof
+(1,59): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt> --'</script>BAR"
+
+#data
+FOO<script>'<!-- <sCrIpt> -->'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "'<!-- <sCrIpt> -->'"
+|     "BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt> --!>'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,61): expected-script-data-but-got-eof
+(1,61): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt> --!>'</script>BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt> -- >'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,61): expected-script-data-but-got-eof
+(1,61): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt> -- >'</script>BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt '</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,56): expected-script-data-but-got-eof
+(1,56): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt '</script>BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt/'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+(1,56): expected-script-data-but-got-eof
+(1,56): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt/'</script>BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt\'</script>BAR
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt\'"
+|     "BAR"
+
+#data
+FOO<script type="text/plain">'<!-- <sCrIpt/'</script>BAR</script>QUX
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       type="text/plain"
+|       "'<!-- <sCrIpt/'</script>BAR"
+|     "QUX"
+
+#data
+FOO<script><!--<script>-></script>--></script>QUX
+#errors
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "FOO"
+|     <script>
+|       "<!--<script>-></script>-->"
+|     "QUX"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/adoption01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/adoption01.dat
new file mode 100644
index 000000000..4e08d0e84
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/adoption01.dat
@@ -0,0 +1,15 @@
+#data
+<p><b id="A"><script>document.getElementById("A").id = "B"</script></p>TEXT</b>
+#errors
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <b>
+|         id="B"
+|         <script>
+|           "document.getElementById("A").id = "B""
+|     <b>
+|       id="A"
+|       "TEXT"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/ark.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/ark.dat
new file mode 100644
index 000000000..acbac41df
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/ark.dat
@@ -0,0 +1,26 @@
+#data
+<p><font size=4><font size=4><font size=4><script>document.getElementsByTagName("font")[2].setAttribute("size", "5");</script><font size=4><p>X
+#errors
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <font>
+|         size="4"
+|         <font>
+|           size="4"
+|           <font>
+|             size="5"
+|             <script>
+|               "document.getElementsByTagName("font")[2].setAttribute("size", "5");"
+|             <font>
+|               size="4"
+|     <p>
+|       <font>
+|         size="4"
+|         <font>
+|           size="4"
+|           <font>
+|             size="4"
+|             "X"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/webkit01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/webkit01.dat
new file mode 100644
index 000000000..ef4a41ca0
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/scripted/webkit01.dat
@@ -0,0 +1,28 @@
+#data
+1<script>document.write("2")</script>3
+#errors
+#document
+| <html>
+|   <head>
+|   <body>
+|     "1"
+|     <script>
+|       "document.write("2")"
+|     "23"
+
+#data
+1<script>document.write("<script>document.write('2')</scr"+ "ipt><script>document.write('3')</scr" + "ipt>")</script>4
+#errors
+#document
+| <html>
+|   <head>
+|   <body>
+|     "1"
+|     <script>
+|       "document.write("<script>document.write('2')</scr"+ "ipt><script>document.write('3')</scr" + "ipt>")"
+|     <script>
+|       "document.write('2')"
+|     "2"
+|     <script>
+|       "document.write('3')"
+|     "34"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tables01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tables01.dat
new file mode 100644
index 000000000..f0caaa3c5
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tables01.dat
@@ -0,0 +1,286 @@
+#data
+<table><th>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,11): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <th>
+
+#data
+<table><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,11): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<table><col foo='bar'>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,22): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <colgroup>
+|         <col>
+|           foo="bar"
+
+#data
+<table><colgroup></html>foo
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,24): unexpected-end-tag
+(1,27): foster-parenting-character-in-table
+(1,27): foster-parenting-character-in-table
+(1,27): foster-parenting-character-in-table
+(1,27): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     "foo"
+|     <table>
+|       <colgroup>
+
+#data
+<table></table><p>foo
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|     <p>
+|       "foo"
+
+#data
+<table></body></caption></col></colgroup></html></tbody></td></tfoot></th></thead></tr><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,14): unexpected-end-tag
+(1,24): unexpected-end-tag
+(1,30): unexpected-end-tag
+(1,41): unexpected-end-tag
+(1,48): unexpected-end-tag
+(1,56): unexpected-end-tag
+(1,61): unexpected-end-tag
+(1,69): unexpected-end-tag
+(1,74): unexpected-end-tag
+(1,82): unexpected-end-tag
+(1,87): unexpected-end-tag
+(1,91): unexpected-cell-in-table-body
+(1,91): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<table><select><option>3</select></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,15): unexpected-start-tag-implies-table-voodoo
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|         "3"
+|     <table>
+
+#data
+<table><select><table></table></select></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,15): unexpected-start-tag-implies-table-voodoo
+(1,22): unexpected-table-element-start-tag-in-select-in-table
+(1,22): unexpected-start-tag-implies-end-tag
+(1,39): unexpected-end-tag
+(1,47): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|     <table>
+|     <table>
+
+#data
+<table><select></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,15): unexpected-start-tag-implies-table-voodoo
+(1,23): unexpected-table-element-end-tag-in-select-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|     <table>
+
+#data
+<table><select><option>A<tr><td>B</td></tr></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,15): unexpected-start-tag-implies-table-voodoo
+(1,28): unexpected-table-element-start-tag-in-select-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|         "A"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "B"
+
+#data
+<table><td></body></caption></col></colgroup></html>foo
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,18): unexpected-end-tag
+(1,28): unexpected-end-tag
+(1,34): unexpected-end-tag
+(1,45): unexpected-end-tag
+(1,52): unexpected-end-tag
+(1,55): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "foo"
+
+#data
+<table><td>A</table>B
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "A"
+|     "B"
+
+#data
+<table><tr><caption>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|       <caption>
+
+#data
+<table><tr></body></caption></col></colgroup></html></td></th><td>foo
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,18): unexpected-end-tag-in-table-row
+(1,28): unexpected-end-tag-in-table-row
+(1,34): unexpected-end-tag-in-table-row
+(1,45): unexpected-end-tag-in-table-row
+(1,52): unexpected-end-tag-in-table-row
+(1,57): unexpected-end-tag-in-table-row
+(1,62): unexpected-end-tag-in-table-row
+(1,69): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "foo"
+
+#data
+<table><td><tr>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,15): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|         <tr>
+
+#data
+<table><td><button><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,23): unexpected-cell-end-tag
+(1,23): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <button>
+|           <td>
+
+#data
+<table><tr><td><svg><desc><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,30): unexpected-cell-end-tag
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <svg svg>
+|               <svg desc>
+|           <td>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/template.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/template.dat
new file mode 100644
index 000000000..f370cc186
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/template.dat
@@ -0,0 +1,1591 @@
+#data
+<body><template>Hello</template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         "Hello"
+
+#data
+<template>Hello</template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         "Hello"
+|   <body>
+
+#data
+<template></template><div></div>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|   <body>
+|     <div>
+
+#data
+<html><template>Hello</template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         "Hello"
+|   <body>
+
+#data
+<head><template><div></div></template></head>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <div>
+|   <body>
+
+#data
+<div><template><div><span></template><b>
+#errors
+ * (1,6) missing DOCTYPE
+ * (1,38) mismatched template end tag
+ * (1,41) unexpected end of file
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <template>
+|         content
+|           <div>
+|             <span>
+|       <b>
+
+#data
+<div><template></div>Hello
+#errors
+ * (1,6) missing DOCTYPE
+ * (1,22) unexpected token in template
+ * (1,27) unexpected end of file in template
+ * (1,27) unexpected end of file
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <template>
+|         content
+|           "Hello"
+
+#data
+<div></template></div>
+#errors
+ * (1,6) missing DOCTYPE
+ * (1,17) unexpected template end tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+
+#data
+<table><template></template></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+
+#data
+<table><template></template></div>
+#errors
+ * (1,8) missing DOCTYPE
+ * (1,35) unexpected token in table - foster parenting
+ * (1,35) unexpected end tag
+ * (1,35) unexpected end of file
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+
+#data
+<table><div><template></template></div>
+#errors
+ * (1,8) missing DOCTYPE
+ * (1,13) unexpected token in table - foster parenting
+ * (1,40) unexpected token in table - foster parenting
+ * (1,40) unexpected end of file
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <template>
+|         content
+|     <table>
+
+#data
+<table><template></template><div></div>
+#errors
+no doctype
+bad div in table
+bad /div in table
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|     <table>
+|       <template>
+|         content
+
+#data
+<table>   <template></template></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       "   "
+|       <template>
+|         content
+
+#data
+<table><tbody><template></template></tbody>
+#errors
+no doctype
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <template>
+|           content
+
+#data
+<table><tbody><template></tbody></template>
+#errors
+no doctype
+bad /tbody
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <template>
+|           content
+
+#data
+<table><tbody><template></template></tbody></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <template>
+|           content
+
+#data
+<table><thead><template></template></thead>
+#errors
+no doctype
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <thead>
+|         <template>
+|           content
+
+#data
+<table><tfoot><template></template></tfoot>
+#errors
+no doctype
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tfoot>
+|         <template>
+|           content
+
+#data
+<select><template></template></select>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <template>
+|         content
+
+#data
+<select><template><option></option></template></select>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <template>
+|         content
+|           <option>
+
+#data
+<template><option></option></select><option></option></template>
+#errors
+no doctype
+bad /select
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <option>
+|         <option>
+|   <body>
+
+#data
+<select><template></template><option></select>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <template>
+|         content
+|       <option>
+
+#data
+<select><option><template></template></select>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|         <template>
+|           content
+
+#data
+<select><template>
+#errors
+no doctype
+eof in template
+eof in select
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <template>
+|         content
+
+#data
+<select><option></option><template>
+#errors
+no doctype
+eof in template
+eof in select
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|       <template>
+|         content
+
+#data
+<select><option></option><template><option>
+#errors
+no doctype
+eof in template
+eof in select
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|       <template>
+|         content
+|           <option>
+
+#data
+<table><thead><template><td></template></table>
+#errors
+ * (1,8) missing DOCTYPE
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <thead>
+|         <template>
+|           content
+|             <td>
+
+#data
+<table><template><thead></template></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+|           <thead>
+
+#data
+<body><table><template><td></tr><div></template></table>
+#errors
+no doctype
+bad </tr>
+missing </div>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+|           <td>
+|             <div>
+
+#data
+<table><template><thead></template></thead></table>
+#errors
+no doctype
+bad /thead after /template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+|           <thead>
+
+#data
+<table><thead><template><tr></template></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <thead>
+|         <template>
+|           content
+|             <tr>
+
+#data
+<table><template><tr></template></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+|           <tr>
+
+#data
+<table><tr><template><td>
+#errors
+no doctype
+eof in template
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <template>
+|             content
+|               <td>
+
+#data
+<table><template><tr><template><td></template></tr></template></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+|           <tr>
+|             <template>
+|               content
+|                 <td>
+
+#data
+<table><template><tr><template><td></td></template></tr></template></table>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+|           <tr>
+|             <template>
+|               content
+|                 <td>
+
+#data
+<table><template><td></template>
+#errors
+no doctype
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <template>
+|         content
+|           <td>
+
+#data
+<body><template><td></td></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <td>
+
+#data
+<body><template><template><tr></tr></template><td></td></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <tr>
+|         <td>
+
+#data
+<table><colgroup><template><col>
+#errors
+no doctype
+eof in template
+eof in table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <colgroup>
+|         <template>
+|           content
+|             <col>
+
+#data
+<frameset><template><frame></frame></template></frameset>
+#errors
+ * (1,11) missing DOCTYPE
+ * (1,21) unexpected start tag token
+ * (1,36) unexpected end tag token
+ * (1,47) unexpected end tag token
+#document
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+
+#data
+<template><frame></frame></frameset><frame></frame></template>
+#errors
+ * (1,11) missing DOCTYPE
+ * (1,18) unexpected start tag
+ * (1,26) unexpected end tag
+ * (1,37) unexpected end tag
+ * (1,44) unexpected start tag
+ * (1,52) unexpected end tag
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|   <body>
+
+#data
+<template><div><frameset><span></span></div><span></span></template>
+#errors
+no doctype
+bad frameset
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <div>
+|           <span>
+|         <span>
+|   <body>
+
+#data
+<body><template><div><frameset><span></span></div><span></span></template></body>
+#errors
+no doctype
+bad frameset
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <div>
+|           <span>
+|         <span>
+
+#data
+<body><template><script>var i = 1;</script><td></td></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <script>
+|           "var i = 1;"
+|         <td>
+
+#data
+<body><template><tr><div></div></tr></template>
+#errors
+no doctype
+foster-parented div
+foster-parented /div
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <tr>
+|         <div>
+
+#data
+<body><template><tr></tr><td></td></template>
+#errors
+no doctype
+unexpected <td>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <tr>
+|         <tr>
+|           <td>
+
+#data
+<body><template><td></td></tr><td></td></template>
+#errors
+no doctype
+bad </tr>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <td>
+|         <td>
+
+#data
+<body><template><td></td><tbody><td></td></template>
+#errors
+no doctype
+bad <tbody>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <td>
+|         <td>
+
+#data
+<body><template><td></td><caption></caption><td></td></template>
+#errors
+ * (1,7) missing DOCTYPE
+ * (1,35) unexpected start tag in table row
+ * (1,45) unexpected end tag in table row
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <td>
+|         <td>
+
+#data
+<body><template><td></td><colgroup></caption><td></td></template>
+#errors
+ * (1,7) missing DOCTYPE
+ * (1,36) unexpected start tag in table row
+ * (1,46) unexpected end tag in table row
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <td>
+|         <td>
+
+#data
+<body><template><td></td></table><td></td></template>
+#errors
+no doctype
+bad </table>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <td>
+|         <td>
+
+#data
+<body><template><tr></tr><tbody><tr></tr></template>
+#errors
+no doctype
+bad <tbody>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <tr>
+|         <tr>
+
+#data
+<body><template><tr></tr><caption><tr></tr></template>
+#errors
+no doctype
+bad <caption>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <tr>
+|         <tr>
+
+#data
+<body><template><tr></tr></table><tr></tr></template>
+#errors
+no doctype
+bad </table>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <tr>
+|         <tr>
+
+#data
+<body><template><thead></thead><caption></caption><tbody></tbody></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <thead>
+|         <caption>
+|         <tbody>
+
+#data
+<body><template><thead></thead></table><tbody></tbody></template></body>
+#errors
+no doctype
+bad </table>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <thead>
+|         <tbody>
+
+#data
+<body><template><div><tr></tr></div></template>
+#errors
+no doctype
+bad tr
+bad /tr
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <div>
+
+#data
+<body><template><em>Hello</em></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <em>
+|           "Hello"
+
+#data
+<body><template><!--comment--></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <!-- comment -->
+
+#data
+<body><template><style></style><td></td></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <style>
+|         <td>
+
+#data
+<body><template><meta><td></td></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <meta>
+|         <td>
+
+#data
+<body><template><link><td></td></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <link>
+|         <td>
+
+#data
+<body><template><template><tr></tr></template><td></td></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <tr>
+|         <td>
+
+#data
+<body><table><colgroup><template><col></col></template></colgroup></table></body>
+#errors
+no doctype
+bad /col
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <colgroup>
+|         <template>
+|           content
+|             <col>
+
+#data
+<body a=b><template><div></div><body c=d><div></div></body></template></body>
+#errors
+no doctype
+bad <body>
+bad </body>
+#document
+| <html>
+|   <head>
+|   <body>
+|     a="b"
+|     <template>
+|       content
+|         <div>
+|         <div>
+
+#data
+<html a=b><template><div><html b=c><span></template>
+#errors
+no doctype
+bad <html>
+missing end tags in template
+#document
+| <html>
+|   a="b"
+|   <head>
+|     <template>
+|       content
+|         <div>
+|           <span>
+|   <body>
+
+#data
+<html a=b><template><col></col><html b=c><col></col></template>
+#errors
+no doctype
+bad /col
+bad html
+bad /col
+#document
+| <html>
+|   a="b"
+|   <head>
+|     <template>
+|       content
+|         <col>
+|         <col>
+|   <body>
+
+#data
+<html a=b><template><frame></frame><html b=c><frame></frame></template>
+#errors
+no doctype
+bad frame
+bad /frame
+bad html
+bad frame
+bad /frame
+#document
+| <html>
+|   a="b"
+|   <head>
+|     <template>
+|       content
+|   <body>
+
+#data
+<body><template><tr></tr><template></template><td></td></template>
+#errors
+no doctype
+unexpected <td>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <tr>
+|         <template>
+|           content
+|         <tr>
+|           <td>
+
+#data
+<body><template><thead></thead><template><tr></tr></template><tr></tr><tfoot></tfoot></template>
+#errors
+no doctype
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <thead>
+|         <template>
+|           content
+|             <tr>
+|         <tbody>
+|           <tr>
+|         <tfoot>
+
+#data
+<body><template><template><b><template></template></template>text</template>
+#errors
+no doctype
+missing </b>
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <b>
+|               <template>
+|                 content
+|         "text"
+
+#data
+<body><template><col><colgroup>
+#errors
+no doctype
+bad colgroup
+eof in template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <col>
+
+#data
+<body><template><col></colgroup>
+#errors
+no doctype
+bogus /colgroup
+eof in template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <col>
+
+#data
+<body><template><col><colgroup></template></body>
+#errors
+no doctype
+bad colgroup
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <col>
+
+#data
+<body><template><col><div>
+#errors
+ * (1,7) missing DOCTYPE
+ * (1,27) unexpected token
+ * (1,27) unexpected end of file in template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <col>
+
+#data
+<body><template><col></div>
+#errors
+no doctype
+bad /div
+eof in template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <col>
+
+#data
+<body><template><col>Hello
+#errors
+no doctype
+unexpected text
+eof in template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <col>
+
+#data
+<body><template><i><menu>Foo</i>
+#errors
+no doctype
+mising /menu
+eof in template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <i>
+|         <menu>
+|           <i>
+|             "Foo"
+
+#data
+<body><template></div><div>Foo</div><template></template><tr></tr>
+#errors
+no doctype
+bogus /div
+bogus tr
+bogus /tr
+eof in template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+|         <div>
+|           "Foo"
+|         <template>
+|           content
+
+#data
+<body><div><template></div><tr><td>Foo</td></tr></template>
+#errors
+ * (1,7) missing DOCTYPE
+ * (1,28) unexpected token in template
+ * (1,60) unexpected end of file
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <template>
+|         content
+|           <tr>
+|             <td>
+|               "Foo"
+
+#data
+<template></figcaption><sub><table></table>
+#errors
+no doctype
+bad /figcaption
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <sub>
+|           <table>
+|   <body>
+
+#data
+<template><template>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|   <body>
+
+#data
+<template><div>
+#errors
+no doctype
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <div>
+|   <body>
+
+#data
+<template><template><div>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <div>
+|   <body>
+
+#data
+<template><template><table>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <table>
+|   <body>
+
+#data
+<template><template><tbody>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <tbody>
+|   <body>
+
+#data
+<template><template><tr>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <tr>
+|   <body>
+
+#data
+<template><template><td>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <td>
+|   <body>
+
+#data
+<template><template><caption>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <caption>
+|   <body>
+
+#data
+<template><template><colgroup>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <colgroup>
+|   <body>
+
+#data
+<template><template><col>
+#errors
+no doctype
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <col>
+|   <body>
+
+#data
+<template><template><tbody><select>
+#errors
+ * (1,11) missing DOCTYPE
+ * (1,36) unexpected token in table - foster parenting
+ * (1,36) unexpected end of file in template
+ * (1,36) unexpected end of file in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <tbody>
+|             <select>
+|   <body>
+
+#data
+<template><template><table>Foo
+#errors
+no doctype
+foster-parenting text F
+foster-parenting text o
+foster-parenting text o
+eof
+eof
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             "Foo"
+|             <table>
+|   <body>
+
+#data
+<template><template><frame>
+#errors
+no doctype
+bad tag
+eof
+eof
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|   <body>
+
+#data
+<template><template><script>var i
+#errors
+no doctype
+eof in script
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <script>
+|               "var i"
+|   <body>
+
+#data
+<template><template><style>var i
+#errors
+no doctype
+eof in style
+eof in template
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <template>
+|           content
+|             <style>
+|               "var i"
+|   <body>
+
+#data
+<template><table></template><body><span>Foo
+#errors
+no doctype
+missing /table
+bad eof
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <table>
+|   <body>
+|     <span>
+|       "Foo"
+
+#data
+<template><td></template><body><span>Foo
+#errors
+no doctype
+bad eof
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <td>
+|   <body>
+|     <span>
+|       "Foo"
+
+#data
+<template><object></template><body><span>Foo
+#errors
+no doctype
+missing /object
+bad eof
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <object>
+|   <body>
+|     <span>
+|       "Foo"
+
+#data
+<template><svg><template>
+#errors
+no doctype
+eof in template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <svg svg>
+|           <svg template>
+|   <body>
+
+#data
+<template><svg><foo><template><foreignObject><div></template><div>
+#errors
+no doctype
+ugly template closure
+bad eof
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         <svg svg>
+|           <svg foo>
+|             <svg template>
+|               <svg foreignObject>
+|                 <div>
+|   <body>
+|     <div>
+
+#data
+<dummy><template><span></dummy>
+#errors
+no doctype
+bad end tag </dummy>
+eof in template
+eof in dummy
+#document
+| <html>
+|   <head>
+|   <body>
+|     <dummy>
+|       <template>
+|         content
+|           <span>
+
+#data
+<body><table><tr><td><select><template>Foo</template><caption>A</table>
+#errors
+no doctype
+(1,62): unexpected-caption-in-select-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <select>
+|               <template>
+|                 content
+|                   "Foo"
+|       <caption>
+|         "A"
+
+#data
+<body></body><template>
+#errors
+no doctype
+(1,23): template-after-body
+(1,24): eof-in-template
+#document
+| <html>
+|   <head>
+|   <body>
+|     <template>
+|       content
+
+#data
+<head></head><template>
+#errors
+no doctype
+(1,23): template-after-head
+(1,24): eof-in-template
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|   <body>
+
+#data
+<head></head><template>Foo</template>
+#errors
+no doctype
+(1,23): template-after-head
+#document
+| <html>
+|   <head>
+|     <template>
+|       content
+|         "Foo"
+|   <body>
+
+#data
+<!DOCTYPE HTML><dummy><table><template><table><template><table><script>
+#errors
+eof script
+eof template
+eof template
+eof table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <dummy>
+|       <table>
+|         <template>
+|           content
+|             <table>
+|               <template>
+|                 content
+|                   <table>
+|                     <script>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests1.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests1.dat
new file mode 100644
index 000000000..d6726e305
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests1.dat
@@ -0,0 +1,1959 @@
+#data
+Test
+#errors
+(1,0): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "Test"
+
+#data
+<p>One<p>Two
+#errors
+(1,3): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "One"
+|     <p>
+|       "Two"
+
+#data
+Line1<br>Line2<br>Line3<br>Line4
+#errors
+(1,0): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "Line1"
+|     <br>
+|     "Line2"
+|     <br>
+|     "Line3"
+|     <br>
+|     "Line4"
+
+#data
+<html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<head>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<body>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><head>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><head></head>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><head></head><body>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><head></head><body></body>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><head><body></body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><head></body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><head><body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<html><body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<head></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+</head>
+#errors
+(1,7): expected-doctype-but-got-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+</body>
+#errors
+(1,7): expected-doctype-but-got-end-tag element.
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+</html>
+#errors
+(1,7): expected-doctype-but-got-end-tag element.
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<b><table><td><i></table>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,14): unexpected-cell-in-table-body
+(1,25): unexpected-cell-end-tag
+(1,25): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <i>
+
+#data
+<b><table><td></b><i></table>X
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,14): unexpected-cell-in-table-body
+(1,18): unexpected-end-tag
+(1,29): unexpected-cell-end-tag
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <i>
+|       "X"
+
+#data
+<h1>Hello<h2>World
+#errors
+(1,4): expected-doctype-but-got-start-tag
+(1,13): unexpected-start-tag
+(1,18): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <h1>
+|       "Hello"
+|     <h2>
+|       "World"
+
+#data
+<a><p>X<a>Y</a>Z</p></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,10): unexpected-start-tag-implies-end-tag
+(1,10): adoption-agency-1.3
+(1,24): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|     <p>
+|       <a>
+|         "X"
+|       <a>
+|         "Y"
+|       "Z"
+
+#data
+<b><button>foo</b>bar
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,18): adoption-agency-1.3
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|     <button>
+|       <b>
+|         "foo"
+|       "bar"
+
+#data
+<!DOCTYPE html><span><button>foo</span>bar
+#errors
+(1,39): unexpected-end-tag
+(1,42): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <span>
+|       <button>
+|         "foobar"
+
+#data
+<p><b><div><marquee></p></b></div>X
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,11): unexpected-end-tag
+(1,24): unexpected-end-tag
+(1,28): unexpected-end-tag
+(1,34): end-tag-too-early
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <b>
+|     <div>
+|       <b>
+|         <marquee>
+|           <p>
+|           "X"
+
+#data
+<script><div></script></div><title><p></title><p><p>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,28): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<div>"
+|     <title>
+|       "<p>"
+|   <body>
+|     <p>
+|     <p>
+
+#data
+<!--><div>--<!-->
+#errors
+(1,5): incorrect-comment
+(1,10): expected-doctype-but-got-start-tag
+(1,17): incorrect-comment
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <!--  -->
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "--"
+|       <!--  -->
+
+#data
+<p><hr></p>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,11): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <hr>
+|     <p>
+
+#data
+<select><b><option><select><option></b></select>X
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,11): unexpected-start-tag-in-select
+(1,27): unexpected-select-in-select
+(1,39): unexpected-end-tag
+(1,48): unexpected-end-tag
+(1,49): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|     <option>
+|       "X"
+
+#data
+<a><table><td><a><table></table><a></tr><a></table><b>X</b>C<a>Y
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,14): unexpected-cell-in-table-body
+(1,35): unexpected-start-tag-implies-end-tag
+(1,40): unexpected-cell-end-tag
+(1,43): unexpected-start-tag-implies-table-voodoo
+(1,43): unexpected-start-tag-implies-end-tag
+(1,43): unexpected-end-tag
+(1,63): unexpected-start-tag-implies-end-tag
+(1,64): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <a>
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <a>
+|                 <table>
+|               <a>
+|     <a>
+|       <b>
+|         "X"
+|       "C"
+|     <a>
+|       "Y"
+
+#data
+<a X>0<b>1<a Y>2
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,15): unexpected-start-tag-implies-end-tag
+(1,15): adoption-agency-1.3
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       x=""
+|       "0"
+|       <b>
+|         "1"
+|     <b>
+|       <a>
+|         y=""
+|         "2"
+
+#data
+<!-----><font><div>hello<table>excite!<b>me!<th><i>please!</tr><!--X-->
+#errors
+(1,7): unexpected-dash-after-double-dash-in-comment
+(1,14): expected-doctype-but-got-start-tag
+(1,41): unexpected-start-tag-implies-table-voodoo
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): foster-parenting-character-in-table
+(1,48): unexpected-cell-in-table-body
+(1,63): unexpected-cell-end-tag
+(1,71): eof-in-table
+#document
+| <!-- - -->
+| <html>
+|   <head>
+|   <body>
+|     <font>
+|       <div>
+|         "helloexcite!"
+|         <b>
+|           "me!"
+|         <table>
+|           <tbody>
+|             <tr>
+|               <th>
+|                 <i>
+|                   "please!"
+|             <!-- X -->
+
+#data
+<!DOCTYPE html><li>hello<li>world<ul>how<li>do</ul>you</body><!--do-->
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <li>
+|       "hello"
+|     <li>
+|       "world"
+|       <ul>
+|         "how"
+|         <li>
+|           "do"
+|       "you"
+|   <!-- do -->
+
+#data
+<!DOCTYPE html>A<option>B<optgroup>C<select>D</option>E
+#errors
+(1,54): unexpected-end-tag-in-select
+(1,55): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "A"
+|     <option>
+|       "B"
+|     <optgroup>
+|       "C"
+|       <select>
+|         "DE"
+
+#data
+<
+#errors
+(1,1): expected-tag-name
+(1,1): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "<"
+
+#data
+<#
+#errors
+(1,1): expected-tag-name
+(1,1): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "<#"
+
+#data
+</
+#errors
+(1,2): expected-closing-tag-but-got-eof
+(1,2): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "</"
+
+#data
+</#
+#errors
+(1,2): expected-closing-tag-but-got-char
+(1,3): expected-doctype-but-got-eof
+#document
+| <!-- # -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<?
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,2): expected-doctype-but-got-eof
+#document
+| <!-- ? -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<?#
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,3): expected-doctype-but-got-eof
+#document
+| <!-- ?# -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!
+#errors
+(1,2): expected-dashes-or-doctype
+(1,2): expected-doctype-but-got-eof
+#document
+| <!--  -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!#
+#errors
+(1,2): expected-dashes-or-doctype
+(1,3): expected-doctype-but-got-eof
+#document
+| <!-- # -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<?COMMENT?>
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,11): expected-doctype-but-got-eof
+#document
+| <!-- ?COMMENT? -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!COMMENT>
+#errors
+(1,2): expected-dashes-or-doctype
+(1,10): expected-doctype-but-got-eof
+#document
+| <!-- COMMENT -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+</ COMMENT >
+#errors
+(1,2): expected-closing-tag-but-got-char
+(1,12): expected-doctype-but-got-eof
+#document
+| <!--  COMMENT  -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<?COM--MENT?>
+#errors
+(1,1): expected-tag-name-but-got-question-mark
+(1,13): expected-doctype-but-got-eof
+#document
+| <!-- ?COM--MENT? -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!COM--MENT>
+#errors
+(1,2): expected-dashes-or-doctype
+(1,12): expected-doctype-but-got-eof
+#document
+| <!-- COM--MENT -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+</ COM--MENT >
+#errors
+(1,2): expected-closing-tag-but-got-char
+(1,14): expected-doctype-but-got-eof
+#document
+| <!--  COM--MENT  -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><style> EOF
+#errors
+(1,26): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       " EOF"
+|   <body>
+
+#data
+<!DOCTYPE html><script> <!-- </script> --> </script> EOF
+#errors
+(1,52): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       " <!-- "
+|     " "
+|   <body>
+|     "-->  EOF"
+
+#data
+<b><p></b>TEST
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,10): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|     <p>
+|       <b>
+|       "TEST"
+
+#data
+<p id=a><b><p id=b></b>TEST
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,19): unexpected-end-tag
+(1,23): adoption-agency-1.2
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       id="a"
+|       <b>
+|     <p>
+|       id="b"
+|       "TEST"
+
+#data
+<b id=a><p><b id=b></p></b>TEST
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,23): unexpected-end-tag
+(1,27): adoption-agency-1.2
+(1,31): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       id="a"
+|       <p>
+|         <b>
+|           id="b"
+|       "TEST"
+
+#data
+<!DOCTYPE html><title>U-test</title><body><div><p>Test<u></p></div></body>
+#errors
+(1,61): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "U-test"
+|   <body>
+|     <div>
+|       <p>
+|         "Test"
+|         <u>
+
+#data
+<!DOCTYPE html><font><table></font></table></font>
+#errors
+(1,35): unexpected-end-tag-implies-table-voodoo
+(1,35): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <font>
+|       <table>
+
+#data
+<font><p>hello<b>cruel</font>world
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,29): adoption-agency-1.3
+(1,29): adoption-agency-1.3
+(1,34): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <font>
+|     <p>
+|       <font>
+|         "hello"
+|         <b>
+|           "cruel"
+|       <b>
+|         "world"
+
+#data
+<b>Test</i>Test
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,11): unexpected-end-tag
+(1,15): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "TestTest"
+
+#data
+<b>A<cite>B<div>C
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "A"
+|       <cite>
+|         "B"
+|         <div>
+|           "C"
+
+#data
+<b>A<cite>B<div>C</cite>D
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,24): unexpected-end-tag
+(1,25): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "A"
+|       <cite>
+|         "B"
+|         <div>
+|           "CD"
+
+#data
+<b>A<cite>B<div>C</b>D
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,21): adoption-agency-1.3
+(1,22): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "A"
+|       <cite>
+|         "B"
+|     <div>
+|       <b>
+|         "C"
+|       "D"
+
+#data
+
+#errors
+(1,0): expected-doctype-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<DIV>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,5): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+
+#data
+<DIV> abc
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,9): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc"
+
+#data
+<DIV> abc <B>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,13): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+
+#data
+<DIV> abc <B> def
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def"
+
+#data
+<DIV> abc <B> def <I>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+
+#data
+<DIV> abc <B> def <I> ghi
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,25): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi"
+
+#data
+<DIV> abc <B> def <I> ghi <P>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,29): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|           <p>
+
+#data
+<DIV> abc <B> def <I> ghi <P> jkl
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|           <p>
+|             " jkl"
+
+#data
+<DIV> abc <B> def <I> ghi <P> jkl </B>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,38): adoption-agency-1.3
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|       <i>
+|         <p>
+|           <b>
+|             " jkl "
+
+#data
+<DIV> abc <B> def <I> ghi <P> jkl </B> mno
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,38): adoption-agency-1.3
+(1,42): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|       <i>
+|         <p>
+|           <b>
+|             " jkl "
+|           " mno"
+
+#data
+<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,38): adoption-agency-1.3
+(1,47): adoption-agency-1.3
+(1,47): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|       <i>
+|       <p>
+|         <i>
+|           <b>
+|             " jkl "
+|           " mno "
+
+#data
+<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I> pqr
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,38): adoption-agency-1.3
+(1,47): adoption-agency-1.3
+(1,51): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|       <i>
+|       <p>
+|         <i>
+|           <b>
+|             " jkl "
+|           " mno "
+|         " pqr"
+
+#data
+<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I> pqr </P>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,38): adoption-agency-1.3
+(1,47): adoption-agency-1.3
+(1,56): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|       <i>
+|       <p>
+|         <i>
+|           <b>
+|             " jkl "
+|           " mno "
+|         " pqr "
+
+#data
+<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I> pqr </P> stu
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,38): adoption-agency-1.3
+(1,47): adoption-agency-1.3
+(1,60): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       " abc "
+|       <b>
+|         " def "
+|         <i>
+|           " ghi "
+|       <i>
+|       <p>
+|         <i>
+|           <b>
+|             " jkl "
+|           " mno "
+|         " pqr "
+|       " stu"
+
+#data
+<test attribute---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------->
+#errors
+(1,1040): expected-doctype-but-got-start-tag
+(1,1040): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <test>
+|       attribute----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------=""
+
+#data
+<a href="blah">aba<table><a href="foo">br<tr><td></td></tr>x</table>aoe
+#errors
+(1,15): expected-doctype-but-got-start-tag
+(1,39): unexpected-start-tag-implies-table-voodoo
+(1,39): unexpected-start-tag-implies-end-tag
+(1,39): unexpected-end-tag
+(1,45): foster-parenting-character-in-table
+(1,45): foster-parenting-character-in-table
+(1,68): foster-parenting-character-in-table
+(1,71): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       href="blah"
+|       "aba"
+|       <a>
+|         href="foo"
+|         "br"
+|       <a>
+|         href="foo"
+|         "x"
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|     <a>
+|       href="foo"
+|       "aoe"
+
+#data
+<a href="blah">aba<table><tr><td><a href="foo">br</td></tr>x</table>aoe
+#errors
+(1,15): expected-doctype-but-got-start-tag
+(1,54): unexpected-cell-end-tag
+(1,68): unexpected text in table
+(1,71): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       href="blah"
+|       "abax"
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <a>
+|                 href="foo"
+|                 "br"
+|       "aoe"
+
+#data
+<table><a href="blah">aba<tr><td><a href="foo">br</td></tr>x</table>aoe
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,22): unexpected-start-tag-implies-table-voodoo
+(1,29): foster-parenting-character-in-table
+(1,29): foster-parenting-character-in-table
+(1,29): foster-parenting-character-in-table
+(1,54): unexpected-cell-end-tag
+(1,68): foster-parenting-character-in-table
+(1,71): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       href="blah"
+|       "aba"
+|     <a>
+|       href="blah"
+|       "x"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <a>
+|               href="foo"
+|               "br"
+|     <a>
+|       href="blah"
+|       "aoe"
+
+#data
+<a href=a>aa<marquee>aa<a href=b>bb</marquee>aa
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,45): end-tag-too-early
+(1,47): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       href="a"
+|       "aa"
+|       <marquee>
+|         "aa"
+|         <a>
+|           href="b"
+|           "bb"
+|       "aa"
+
+#data
+<wbr><strike><code></strike><code><strike></code>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,28): adoption-agency-1.3
+(1,49): adoption-agency-1.3
+(1,49): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <wbr>
+|     <strike>
+|       <code>
+|     <code>
+|       <code>
+|         <strike>
+
+#data
+<!DOCTYPE html><spacer>foo
+#errors
+(1,26): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <spacer>
+|       "foo"
+
+#data
+<title><meta></title><link><title><meta></title>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|       "<meta>"
+|     <link>
+|     <title>
+|       "<meta>"
+|   <body>
+
+#data
+<style><!--</style><meta><script>--><link></script>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--"
+|     <meta>
+|     <script>
+|       "--><link>"
+|   <body>
+
+#data
+<head><meta></head><link>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,25): unexpected-start-tag-out-of-my-head
+#document
+| <html>
+|   <head>
+|     <meta>
+|     <link>
+|   <body>
+
+#data
+<table><tr><tr><td><td><span><th><span>X</table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,33): unexpected-cell-end-tag
+(1,48): unexpected-cell-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|         <tr>
+|           <td>
+|           <td>
+|             <span>
+|           <th>
+|             <span>
+|               "X"
+
+#data
+<body><body><base><link><meta><title><p></title><body><p></body>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,12): unexpected-start-tag
+(1,54): unexpected-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <base>
+|     <link>
+|     <meta>
+|     <title>
+|       "<p>"
+|     <p>
+
+#data
+<textarea><p></textarea>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "<p>"
+
+#data
+<p><image></p>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,10): unexpected-start-tag-treated-as
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <img>
+
+#data
+<a><table><a></table><p><a><div><a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,13): unexpected-start-tag-implies-table-voodoo
+(1,13): unexpected-start-tag-implies-end-tag
+(1,13): adoption-agency-1.3
+(1,27): unexpected-start-tag-implies-end-tag
+(1,27): adoption-agency-1.2
+(1,32): unexpected-end-tag
+(1,35): unexpected-start-tag-implies-end-tag
+(1,35): adoption-agency-1.2
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <a>
+|       <table>
+|     <p>
+|       <a>
+|     <div>
+|       <a>
+
+#data
+<head></p><meta><p>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,10): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <meta>
+|   <body>
+|     <p>
+
+#data
+<head></html><meta><p>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,19): expected-eof-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <meta>
+|     <p>
+
+#data
+<b><table><td><i></table>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,14): unexpected-cell-in-table-body
+(1,25): unexpected-cell-end-tag
+(1,25): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <i>
+
+#data
+<b><table><td></b><i></table>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,14): unexpected-cell-in-table-body
+(1,18): unexpected-end-tag
+(1,29): unexpected-cell-end-tag
+(1,29): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <i>
+
+#data
+<h1><h2>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+(1,8): unexpected-start-tag
+(1,8): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <h1>
+|     <h2>
+
+#data
+<a><p><a></a></p></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,9): unexpected-start-tag-implies-end-tag
+(1,9): adoption-agency-1.3
+(1,21): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|     <p>
+|       <a>
+|       <a>
+
+#data
+<b><button></b></button></b>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,15): adoption-agency-1.3
+(1,28): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|     <button>
+|       <b>
+
+#data
+<p><b><div><marquee></p></b></div>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,11): unexpected-end-tag
+(1,24): unexpected-end-tag
+(1,28): unexpected-end-tag
+(1,34): end-tag-too-early
+(1,34): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <b>
+|     <div>
+|       <b>
+|         <marquee>
+|           <p>
+
+#data
+<script></script></div><title></title><p><p>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,23): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|     <title>
+|   <body>
+|     <p>
+|     <p>
+
+#data
+<p><hr></p>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,11): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <hr>
+|     <p>
+
+#data
+<select><b><option><select><option></b></select>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,11): unexpected-start-tag-in-select
+(1,27): unexpected-select-in-select
+(1,39): unexpected-end-tag
+(1,48): unexpected-end-tag
+(1,48): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|     <option>
+
+#data
+<html><head><title></title><body></body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|   <body>
+
+#data
+<a><table><td><a><table></table><a></tr><a></table><a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,14): unexpected-cell-in-table-body
+(1,35): unexpected-start-tag-implies-end-tag
+(1,40): unexpected-cell-end-tag
+(1,43): unexpected-start-tag-implies-table-voodoo
+(1,43): unexpected-start-tag-implies-end-tag
+(1,43): unexpected-end-tag
+(1,54): unexpected-start-tag-implies-end-tag
+(1,54): adoption-agency-1.2
+(1,54): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <a>
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <a>
+|                 <table>
+|               <a>
+|     <a>
+
+#data
+<ul><li></li><div><li></div><li><li><div><li><address><li><b><em></b><li></ul>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+(1,45): end-tag-too-early
+(1,58): end-tag-too-early
+(1,69): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ul>
+|       <li>
+|       <div>
+|         <li>
+|       <li>
+|       <li>
+|         <div>
+|       <li>
+|         <address>
+|       <li>
+|         <b>
+|           <em>
+|       <li>
+
+#data
+<ul><li><ul></li><li>a</li></ul></li></ul>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+(1,17): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ul>
+|       <li>
+|         <ul>
+|           <li>
+|             "a"
+
+#data
+<frameset><frame><frameset><frame></frameset><noframes></noframes></frameset>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+|     <frameset>
+|       <frame>
+|     <noframes>
+
+#data
+<h1><table><td><h3></table><h3></h1>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+(1,15): unexpected-cell-in-table-body
+(1,27): unexpected-cell-end-tag
+(1,31): unexpected-start-tag
+(1,36): end-tag-too-early
+#document
+| <html>
+|   <head>
+|   <body>
+|     <h1>
+|       <table>
+|         <tbody>
+|           <tr>
+|             <td>
+|               <h3>
+|     <h3>
+
+#data
+<table><colgroup><col><colgroup><col><col><col><colgroup><col><col><thead><tr><td></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <colgroup>
+|         <col>
+|       <colgroup>
+|         <col>
+|         <col>
+|         <col>
+|       <colgroup>
+|         <col>
+|         <col>
+|       <thead>
+|         <tr>
+|           <td>
+
+#data
+<table><col><tbody><col><tr><col><td><col></table><col>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,37): unexpected-cell-in-table-body
+(1,55): unexpected-start-tag-ignored
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <colgroup>
+|         <col>
+|       <tbody>
+|       <colgroup>
+|         <col>
+|       <tbody>
+|         <tr>
+|       <colgroup>
+|         <col>
+|       <tbody>
+|         <tr>
+|           <td>
+|       <colgroup>
+|         <col>
+
+#data
+<table><colgroup><tbody><colgroup><tr><colgroup><td><colgroup></table><colgroup>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,52): unexpected-cell-in-table-body
+(1,80): unexpected-start-tag-ignored
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <colgroup>
+|       <tbody>
+|       <colgroup>
+|       <tbody>
+|         <tr>
+|       <colgroup>
+|       <tbody>
+|         <tr>
+|           <td>
+|       <colgroup>
+
+#data
+</strong></b></em></i></u></strike></s></blink></tt></pre></big></small></font></select></h1></h2></h3></h4></h5></h6></body></br></a></img></title></span></style></script></table></th></td></tr></frame></area></link></param></hr></input></col></base></meta></basefont></bgsound></embed></spacer></p></dd></dt></caption></colgroup></tbody></tfoot></thead></address></blockquote></center></dir></div></dl></fieldset></listing></menu></ol></ul></li></nobr></wbr></form></button></marquee></object></html></frameset></head></iframe></image></isindex></noembed></noframes></noscript></optgroup></option></plaintext></textarea>
+#errors
+(1,9): expected-doctype-but-got-end-tag
+(1,9): unexpected-end-tag-before-html
+(1,13): unexpected-end-tag-before-html
+(1,18): unexpected-end-tag-before-html
+(1,22): unexpected-end-tag-before-html
+(1,26): unexpected-end-tag-before-html
+(1,35): unexpected-end-tag-before-html
+(1,39): unexpected-end-tag-before-html
+(1,47): unexpected-end-tag-before-html
+(1,52): unexpected-end-tag-before-html
+(1,58): unexpected-end-tag-before-html
+(1,64): unexpected-end-tag-before-html
+(1,72): unexpected-end-tag-before-html
+(1,79): unexpected-end-tag-before-html
+(1,88): unexpected-end-tag-before-html
+(1,93): unexpected-end-tag-before-html
+(1,98): unexpected-end-tag-before-html
+(1,103): unexpected-end-tag-before-html
+(1,108): unexpected-end-tag-before-html
+(1,113): unexpected-end-tag-before-html
+(1,118): unexpected-end-tag-before-html
+(1,130): unexpected-end-tag-after-body
+(1,130): unexpected-end-tag-treated-as
+(1,134): unexpected-end-tag
+(1,140): unexpected-end-tag
+(1,148): unexpected-end-tag
+(1,155): unexpected-end-tag
+(1,163): unexpected-end-tag
+(1,172): unexpected-end-tag
+(1,180): unexpected-end-tag
+(1,185): unexpected-end-tag
+(1,190): unexpected-end-tag
+(1,195): unexpected-end-tag
+(1,203): unexpected-end-tag
+(1,210): unexpected-end-tag
+(1,217): unexpected-end-tag
+(1,225): unexpected-end-tag
+(1,230): unexpected-end-tag
+(1,238): unexpected-end-tag
+(1,244): unexpected-end-tag
+(1,251): unexpected-end-tag
+(1,258): unexpected-end-tag
+(1,269): unexpected-end-tag
+(1,279): unexpected-end-tag
+(1,287): unexpected-end-tag
+(1,296): unexpected-end-tag
+(1,300): unexpected-end-tag
+(1,305): unexpected-end-tag
+(1,310): unexpected-end-tag
+(1,320): unexpected-end-tag
+(1,331): unexpected-end-tag
+(1,339): unexpected-end-tag
+(1,347): unexpected-end-tag
+(1,355): unexpected-end-tag
+(1,365): end-tag-too-early
+(1,378): end-tag-too-early
+(1,387): end-tag-too-early
+(1,393): end-tag-too-early
+(1,399): end-tag-too-early
+(1,404): end-tag-too-early
+(1,415): end-tag-too-early
+(1,425): end-tag-too-early
+(1,432): end-tag-too-early
+(1,437): end-tag-too-early
+(1,442): end-tag-too-early
+(1,447): unexpected-end-tag
+(1,454): unexpected-end-tag
+(1,460): unexpected-end-tag
+(1,467): unexpected-end-tag
+(1,476): end-tag-too-early
+(1,486): end-tag-too-early
+(1,495): end-tag-too-early
+(1,513): expected-eof-but-got-end-tag
+(1,513): unexpected-end-tag
+(1,520): unexpected-end-tag
+(1,529): unexpected-end-tag
+(1,537): unexpected-end-tag
+(1,547): unexpected-end-tag
+(1,557): unexpected-end-tag
+(1,568): unexpected-end-tag
+(1,579): unexpected-end-tag
+(1,590): unexpected-end-tag
+(1,599): unexpected-end-tag
+(1,611): unexpected-end-tag
+(1,622): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <br>
+|     <p>
+
+#data
+<table><tr></strong></b></em></i></u></strike></s></blink></tt></pre></big></small></font></select></h1></h2></h3></h4></h5></h6></body></br></a></img></title></span></style></script></table></th></td></tr></frame></area></link></param></hr></input></col></base></meta></basefont></bgsound></embed></spacer></p></dd></dt></caption></colgroup></tbody></tfoot></thead></address></blockquote></center></dir></div></dl></fieldset></listing></menu></ol></ul></li></nobr></wbr></form></button></marquee></object></html></frameset></head></iframe></image></isindex></noembed></noframes></noscript></optgroup></option></plaintext></textarea>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,20): unexpected-end-tag-implies-table-voodoo
+(1,20): unexpected-end-tag
+(1,24): unexpected-end-tag-implies-table-voodoo
+(1,24): unexpected-end-tag
+(1,29): unexpected-end-tag-implies-table-voodoo
+(1,29): unexpected-end-tag
+(1,33): unexpected-end-tag-implies-table-voodoo
+(1,33): unexpected-end-tag
+(1,37): unexpected-end-tag-implies-table-voodoo
+(1,37): unexpected-end-tag
+(1,46): unexpected-end-tag-implies-table-voodoo
+(1,46): unexpected-end-tag
+(1,50): unexpected-end-tag-implies-table-voodoo
+(1,50): unexpected-end-tag
+(1,58): unexpected-end-tag-implies-table-voodoo
+(1,58): unexpected-end-tag
+(1,63): unexpected-end-tag-implies-table-voodoo
+(1,63): unexpected-end-tag
+(1,69): unexpected-end-tag-implies-table-voodoo
+(1,69): end-tag-too-early
+(1,75): unexpected-end-tag-implies-table-voodoo
+(1,75): unexpected-end-tag
+(1,83): unexpected-end-tag-implies-table-voodoo
+(1,83): unexpected-end-tag
+(1,90): unexpected-end-tag-implies-table-voodoo
+(1,90): unexpected-end-tag
+(1,99): unexpected-end-tag-implies-table-voodoo
+(1,99): unexpected-end-tag
+(1,104): unexpected-end-tag-implies-table-voodoo
+(1,104): end-tag-too-early
+(1,109): unexpected-end-tag-implies-table-voodoo
+(1,109): end-tag-too-early
+(1,114): unexpected-end-tag-implies-table-voodoo
+(1,114): end-tag-too-early
+(1,119): unexpected-end-tag-implies-table-voodoo
+(1,119): end-tag-too-early
+(1,124): unexpected-end-tag-implies-table-voodoo
+(1,124): end-tag-too-early
+(1,129): unexpected-end-tag-implies-table-voodoo
+(1,129): end-tag-too-early
+(1,136): unexpected-end-tag-in-table-row
+(1,141): unexpected-end-tag-implies-table-voodoo
+(1,141): unexpected-end-tag-treated-as
+(1,145): unexpected-end-tag-implies-table-voodoo
+(1,145): unexpected-end-tag
+(1,151): unexpected-end-tag-implies-table-voodoo
+(1,151): unexpected-end-tag
+(1,159): unexpected-end-tag-implies-table-voodoo
+(1,159): unexpected-end-tag
+(1,166): unexpected-end-tag-implies-table-voodoo
+(1,166): unexpected-end-tag
+(1,174): unexpected-end-tag-implies-table-voodoo
+(1,174): unexpected-end-tag
+(1,183): unexpected-end-tag-implies-table-voodoo
+(1,183): unexpected-end-tag
+(1,196): unexpected-end-tag
+(1,201): unexpected-end-tag
+(1,206): unexpected-end-tag
+(1,214): unexpected-end-tag
+(1,221): unexpected-end-tag
+(1,228): unexpected-end-tag
+(1,236): unexpected-end-tag
+(1,241): unexpected-end-tag
+(1,249): unexpected-end-tag
+(1,255): unexpected-end-tag
+(1,262): unexpected-end-tag
+(1,269): unexpected-end-tag
+(1,280): unexpected-end-tag
+(1,290): unexpected-end-tag
+(1,298): unexpected-end-tag
+(1,307): unexpected-end-tag
+(1,311): unexpected-end-tag
+(1,316): unexpected-end-tag
+(1,321): unexpected-end-tag
+(1,331): unexpected-end-tag
+(1,342): unexpected-end-tag
+(1,350): unexpected-end-tag
+(1,358): unexpected-end-tag
+(1,366): unexpected-end-tag
+(1,376): end-tag-too-early
+(1,389): end-tag-too-early
+(1,398): end-tag-too-early
+(1,404): end-tag-too-early
+(1,410): end-tag-too-early
+(1,415): end-tag-too-early
+(1,426): end-tag-too-early
+(1,436): end-tag-too-early
+(1,443): end-tag-too-early
+(1,448): end-tag-too-early
+(1,453): end-tag-too-early
+(1,458): unexpected-end-tag
+(1,465): unexpected-end-tag
+(1,471): unexpected-end-tag
+(1,478): unexpected-end-tag
+(1,487): end-tag-too-early
+(1,497): end-tag-too-early
+(1,506): end-tag-too-early
+(1,524): expected-eof-but-got-end-tag
+(1,524): unexpected-end-tag
+(1,531): unexpected-end-tag
+(1,540): unexpected-end-tag
+(1,548): unexpected-end-tag
+(1,558): unexpected-end-tag
+(1,568): unexpected-end-tag
+(1,579): unexpected-end-tag
+(1,590): unexpected-end-tag
+(1,601): unexpected-end-tag
+(1,610): unexpected-end-tag
+(1,622): unexpected-end-tag
+(1,633): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <br>
+|     <table>
+|       <tbody>
+|         <tr>
+|     <p>
+
+#data
+<frameset>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,10): eof-in-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests10.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests10.dat
new file mode 100644
index 000000000..3e9a9f19b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests10.dat
@@ -0,0 +1,847 @@
+#data
+<!DOCTYPE html><svg></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+
+#data
+<!DOCTYPE html><svg></svg><![CDATA[a]]>
+#errors
+(1,28) expected-dashes-or-doctype
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|     <!-- [CDATA[a]] -->
+
+#data
+<!DOCTYPE html><body><svg></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+
+#data
+<!DOCTYPE html><body><select><svg></svg></select>
+#errors
+(1,34) unexpected-start-tag-in-select
+(1,40) unexpected-end-tag-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!DOCTYPE html><body><select><option><svg></svg></option></select>
+#errors
+(1,42) unexpected-start-tag-in-select
+(1,48) unexpected-end-tag-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+
+#data
+<!DOCTYPE html><body><table><svg></svg></table>
+#errors
+(1,33) foster-parenting-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|     <table>
+
+#data
+<!DOCTYPE html><body><table><svg><g>foo</g></svg></table>
+#errors
+(1,33) foster-parenting-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg g>
+|         "foo"
+|     <table>
+
+#data
+<!DOCTYPE html><body><table><svg><g>foo</g><g>bar</g></svg></table>
+#errors
+(1,33) foster-parenting-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg g>
+|         "foo"
+|       <svg g>
+|         "bar"
+|     <table>
+
+#data
+<!DOCTYPE html><body><table><tbody><svg><g>foo</g><g>bar</g></svg></tbody></table>
+#errors
+(1,40) foster-parenting-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg g>
+|         "foo"
+|       <svg g>
+|         "bar"
+|     <table>
+|       <tbody>
+
+#data
+<!DOCTYPE html><body><table><tbody><tr><svg><g>foo</g><g>bar</g></svg></tr></tbody></table>
+#errors
+(1,44) foster-parenting-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg g>
+|         "foo"
+|       <svg g>
+|         "bar"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!DOCTYPE html><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg></td></tr></tbody></table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <svg svg>
+|               <svg g>
+|                 "foo"
+|               <svg g>
+|                 "bar"
+
+#data
+<!DOCTYPE html><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg><p>baz</td></tr></tbody></table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <svg svg>
+|               <svg g>
+|                 "foo"
+|               <svg g>
+|                 "bar"
+|             <p>
+|               "baz"
+
+#data
+<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g></svg><p>baz</caption></table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <svg svg>
+|           <svg g>
+|             "foo"
+|           <svg g>
+|             "bar"
+|         <p>
+|           "baz"
+
+#data
+<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
+#errors
+(1,65) unexpected-html-element-in-foreign-content
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <svg svg>
+|           <svg g>
+|             "foo"
+|           <svg g>
+|             "bar"
+|         <p>
+|           "baz"
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g>baz</table><p>quux
+#errors
+(1,73) unexpected-end-tag
+(1,73) expected-one-end-tag-but-got-another
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <svg svg>
+|           <svg g>
+|             "foo"
+|           <svg g>
+|             "bar"
+|           "baz"
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><colgroup><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
+#errors
+(1,43) foster-parenting-start-tag svg
+(1,66) unexpected HTML-like start tag token in foreign content
+(1,66) foster-parenting-start-tag
+(1,67) foster-parenting-character
+(1,68) foster-parenting-character
+(1,69) foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg g>
+|         "foo"
+|       <svg g>
+|         "bar"
+|     <p>
+|       "baz"
+|     <table>
+|       <colgroup>
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><tr><td><select><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
+#errors
+(1,49) unexpected-start-tag-in-select
+(1,52) unexpected-start-tag-in-select
+(1,59) unexpected-end-tag-in-select
+(1,62) unexpected-start-tag-in-select
+(1,69) unexpected-end-tag-in-select
+(1,72) unexpected-start-tag-in-select
+(1,83) unexpected-table-element-end-tag-in-select-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <select>
+|               "foobarbaz"
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><select><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
+#errors
+(1,36) unexpected-start-tag-implies-table-voodoo
+(1,41) unexpected-start-tag-in-select
+(1,44) unexpected-start-tag-in-select
+(1,51) unexpected-end-tag-in-select
+(1,54) unexpected-start-tag-in-select
+(1,61) unexpected-end-tag-in-select
+(1,64) unexpected-start-tag-in-select
+(1,75) unexpected-table-element-end-tag-in-select-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       "foobarbaz"
+|     <table>
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body></body></html><svg><g>foo</g><g>bar</g><p>baz
+#errors
+(1,40) expected-eof-but-got-start-tag
+(1,63) unexpected-html-element-in-foreign-content
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg g>
+|         "foo"
+|       <svg g>
+|         "bar"
+|     <p>
+|       "baz"
+
+#data
+<!DOCTYPE html><body></body><svg><g>foo</g><g>bar</g><p>baz
+#errors
+(1,33) unexpected-start-tag-after-body
+(1,56) unexpected-html-element-in-foreign-content
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg g>
+|         "foo"
+|       <svg g>
+|         "bar"
+|     <p>
+|       "baz"
+
+#data
+<!DOCTYPE html><frameset><svg><g></g><g></g><p><span>
+#errors
+(1,30) unexpected-start-tag-in-frameset
+(1,33) unexpected-start-tag-in-frameset
+(1,37) unexpected-end-tag-in-frameset
+(1,40) unexpected-start-tag-in-frameset
+(1,44) unexpected-end-tag-in-frameset
+(1,47) unexpected-start-tag-in-frameset
+(1,53) unexpected-start-tag-in-frameset
+(1,53) eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>
+#errors
+(1,41) unexpected-start-tag-after-frameset
+(1,44) unexpected-start-tag-after-frameset
+(1,48) unexpected-end-tag-after-frameset
+(1,51) unexpected-start-tag-after-frameset
+(1,55) unexpected-end-tag-after-frameset
+(1,58) unexpected-start-tag-after-frameset
+(1,64) unexpected-start-tag-after-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!DOCTYPE html><body xlink:href=foo><svg xlink:href=foo></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     <svg svg>
+|       xlink href="foo"
+
+#data
+<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo></g></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     xml:lang="en"
+|     <svg svg>
+|       <svg g>
+|         xlink href="foo"
+|         xml lang="en"
+
+#data
+<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo /></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     xml:lang="en"
+|     <svg svg>
+|       <svg g>
+|         xlink href="foo"
+|         xml lang="en"
+
+#data
+<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo />bar</svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     xml:lang="en"
+|     <svg svg>
+|       <svg g>
+|         xlink href="foo"
+|         xml lang="en"
+|       "bar"
+
+#data
+<svg></path>
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,12) unexpected-end-tag
+(1,12) unexpected-end-tag
+(1,12) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+
+#data
+<div><svg></div>a
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,16) unexpected-end-tag
+(1,16) end-tag-too-early
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <svg svg>
+|     "a"
+
+#data
+<div><svg><path></div>a
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,22) unexpected-end-tag
+(1,22) end-tag-too-early
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <svg svg>
+|         <svg path>
+|     "a"
+
+#data
+<div><svg><path></svg><path>
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,22) unexpected-end-tag
+(1,28) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <svg svg>
+|         <svg path>
+|       <path>
+
+#data
+<div><svg><path><foreignObject><math></div>a
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,43) unexpected-end-tag
+(1,43) end-tag-too-early
+(1,44) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <svg svg>
+|         <svg path>
+|           <svg foreignObject>
+|             <math math>
+|               "a"
+
+#data
+<div><svg><path><foreignObject><p></div>a
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,40) end-tag-too-early
+(1,41) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <svg svg>
+|         <svg path>
+|           <svg foreignObject>
+|             <p>
+|               "a"
+
+#data
+<!DOCTYPE html><svg><desc><div><svg><ul>a
+#errors
+(1,40) unexpected-html-element-in-foreign-content
+(1,41) expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg desc>
+|         <div>
+|           <svg svg>
+|           <ul>
+|             "a"
+
+#data
+<!DOCTYPE html><svg><desc><svg><ul>a
+#errors
+(1,35) unexpected-html-element-in-foreign-content
+(1,36) expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg desc>
+|         <svg svg>
+|         <ul>
+|           "a"
+
+#data
+<!DOCTYPE html><p><svg><desc><p>
+#errors
+(1,32) expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <svg svg>
+|         <svg desc>
+|           <p>
+
+#data
+<!DOCTYPE html><p><svg><title><p>
+#errors
+(1,33) expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <svg svg>
+|         <svg title>
+|           <p>
+
+#data
+<div><svg><path><foreignObject><p></foreignObject><p>
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,50) unexpected-end-tag
+(1,53) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <svg svg>
+|         <svg path>
+|           <svg foreignObject>
+|             <p>
+|             <p>
+
+#data
+<math><mi><div><object><div><span></span></div></object></div></mi><mi>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,71) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         <div>
+|           <object>
+|             <div>
+|               <span>
+|       <math mi>
+
+#data
+<math><mi><svg><foreignObject><div><div></div></div></foreignObject></svg></mi><mi>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,83) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         <svg svg>
+|           <svg foreignObject>
+|             <div>
+|               <div>
+|       <math mi>
+
+#data
+<svg><script></script><path>
+#errors
+(1,5) expected-doctype-but-got-start-tag
+(1,28) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg script>
+|       <svg path>
+
+#data
+<table><svg></svg><tr>
+#errors
+(1,7) expected-doctype-but-got-start-tag
+(1,12) unexpected-start-tag-implies-table-voodoo
+(1,22) eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<math><mi><mglyph>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,18) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         <math mglyph>
+
+#data
+<math><mi><malignmark>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,22) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         <math malignmark>
+
+#data
+<math><mo><mglyph>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,18) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mo>
+|         <math mglyph>
+
+#data
+<math><mo><malignmark>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,22) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mo>
+|         <math malignmark>
+
+#data
+<math><mn><mglyph>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,18) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mn>
+|         <math mglyph>
+
+#data
+<math><mn><malignmark>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,22) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mn>
+|         <math malignmark>
+
+#data
+<math><ms><mglyph>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,18) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math ms>
+|         <math mglyph>
+
+#data
+<math><ms><malignmark>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,22) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math ms>
+|         <math malignmark>
+
+#data
+<math><mtext><mglyph>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,21) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mtext>
+|         <math mglyph>
+
+#data
+<math><mtext><malignmark>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,25) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mtext>
+|         <math malignmark>
+
+#data
+<math><annotation-xml><svg></svg></annotation-xml><mi>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,54) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         <svg svg>
+|       <math mi>
+
+#data
+<math><annotation-xml><svg><foreignObject><div><math><mi></mi></math><span></span></div></foreignObject><path></path></svg></annotation-xml><mi>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,144) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         <svg svg>
+|           <svg foreignObject>
+|             <div>
+|               <math math>
+|                 <math mi>
+|               <span>
+|           <svg path>
+|       <math mi>
+
+#data
+<math><annotation-xml><svg><foreignObject><math><mi><svg></svg></mi><mo></mo></math><span></span></foreignObject><path></path></svg></annotation-xml><mi>
+#errors
+(1,6) expected-doctype-but-got-start-tag
+(1,153) expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         <svg svg>
+|           <svg foreignObject>
+|             <math math>
+|               <math mi>
+|                 <svg svg>
+|               <math mo>
+|             <span>
+|           <svg path>
+|       <math mi>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests11.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests11.dat
new file mode 100644
index 000000000..ad62cdf65
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests11.dat
@@ -0,0 +1,482 @@
+#data
+<!DOCTYPE html><body><svg attributeName='' attributeType='' baseFrequency='' baseProfile='' calcMode='' clipPathUnits='' contentScriptType='' contentStyleType='' diffuseConstant='' edgeMode='' externalResourcesRequired='' filterRes='' filterUnits='' glyphRef='' gradientTransform='' gradientUnits='' kernelMatrix='' kernelUnitLength='' keyPoints='' keySplines='' keyTimes='' lengthAdjust='' limitingConeAngle='' markerHeight='' markerUnits='' markerWidth='' maskContentUnits='' maskUnits='' numOctaves='' pathLength='' patternContentUnits='' patternTransform='' patternUnits='' pointsAtX='' pointsAtY='' pointsAtZ='' preserveAlpha='' preserveAspectRatio='' primitiveUnits='' refX='' refY='' repeatCount='' repeatDur='' requiredExtensions='' requiredFeatures='' specularConstant='' specularExponent='' spreadMethod='' startOffset='' stdDeviation='' stitchTiles='' surfaceScale='' systemLanguage='' tableValues='' targetX='' targetY='' textLength='' viewBox='' viewTarget='' xChannelSelector='' yChannelSelector='' zoomAndPan=''></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       attributeName=""
+|       attributeType=""
+|       baseFrequency=""
+|       baseProfile=""
+|       calcMode=""
+|       clipPathUnits=""
+|       contentscripttype=""
+|       contentstyletype=""
+|       diffuseConstant=""
+|       edgeMode=""
+|       externalresourcesrequired=""
+|       filterUnits=""
+|       filterres=""
+|       glyphRef=""
+|       gradientTransform=""
+|       gradientUnits=""
+|       kernelMatrix=""
+|       kernelUnitLength=""
+|       keyPoints=""
+|       keySplines=""
+|       keyTimes=""
+|       lengthAdjust=""
+|       limitingConeAngle=""
+|       markerHeight=""
+|       markerUnits=""
+|       markerWidth=""
+|       maskContentUnits=""
+|       maskUnits=""
+|       numOctaves=""
+|       pathLength=""
+|       patternContentUnits=""
+|       patternTransform=""
+|       patternUnits=""
+|       pointsAtX=""
+|       pointsAtY=""
+|       pointsAtZ=""
+|       preserveAlpha=""
+|       preserveAspectRatio=""
+|       primitiveUnits=""
+|       refX=""
+|       refY=""
+|       repeatCount=""
+|       repeatDur=""
+|       requiredExtensions=""
+|       requiredFeatures=""
+|       specularConstant=""
+|       specularExponent=""
+|       spreadMethod=""
+|       startOffset=""
+|       stdDeviation=""
+|       stitchTiles=""
+|       surfaceScale=""
+|       systemLanguage=""
+|       tableValues=""
+|       targetX=""
+|       targetY=""
+|       textLength=""
+|       viewBox=""
+|       viewTarget=""
+|       xChannelSelector=""
+|       yChannelSelector=""
+|       zoomAndPan=""
+
+#data
+<!DOCTYPE html><BODY><SVG ATTRIBUTENAME='' ATTRIBUTETYPE='' BASEFREQUENCY='' BASEPROFILE='' CALCMODE='' CLIPPATHUNITS='' CONTENTSCRIPTTYPE='' CONTENTSTYLETYPE='' DIFFUSECONSTANT='' EDGEMODE='' EXTERNALRESOURCESREQUIRED='' FILTERRES='' FILTERUNITS='' GLYPHREF='' GRADIENTTRANSFORM='' GRADIENTUNITS='' KERNELMATRIX='' KERNELUNITLENGTH='' KEYPOINTS='' KEYSPLINES='' KEYTIMES='' LENGTHADJUST='' LIMITINGCONEANGLE='' MARKERHEIGHT='' MARKERUNITS='' MARKERWIDTH='' MASKCONTENTUNITS='' MASKUNITS='' NUMOCTAVES='' PATHLENGTH='' PATTERNCONTENTUNITS='' PATTERNTRANSFORM='' PATTERNUNITS='' POINTSATX='' POINTSATY='' POINTSATZ='' PRESERVEALPHA='' PRESERVEASPECTRATIO='' PRIMITIVEUNITS='' REFX='' REFY='' REPEATCOUNT='' REPEATDUR='' REQUIREDEXTENSIONS='' REQUIREDFEATURES='' SPECULARCONSTANT='' SPECULAREXPONENT='' SPREADMETHOD='' STARTOFFSET='' STDDEVIATION='' STITCHTILES='' SURFACESCALE='' SYSTEMLANGUAGE='' TABLEVALUES='' TARGETX='' TARGETY='' TEXTLENGTH='' VIEWBOX='' VIEWTARGET='' XCHANNELSELECTOR='' YCHANNELSELECTOR='' ZOOMANDPAN=''></SVG>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       attributeName=""
+|       attributeType=""
+|       baseFrequency=""
+|       baseProfile=""
+|       calcMode=""
+|       clipPathUnits=""
+|       contentscripttype=""
+|       contentstyletype=""
+|       diffuseConstant=""
+|       edgeMode=""
+|       externalresourcesrequired=""
+|       filterUnits=""
+|       filterres=""
+|       glyphRef=""
+|       gradientTransform=""
+|       gradientUnits=""
+|       kernelMatrix=""
+|       kernelUnitLength=""
+|       keyPoints=""
+|       keySplines=""
+|       keyTimes=""
+|       lengthAdjust=""
+|       limitingConeAngle=""
+|       markerHeight=""
+|       markerUnits=""
+|       markerWidth=""
+|       maskContentUnits=""
+|       maskUnits=""
+|       numOctaves=""
+|       pathLength=""
+|       patternContentUnits=""
+|       patternTransform=""
+|       patternUnits=""
+|       pointsAtX=""
+|       pointsAtY=""
+|       pointsAtZ=""
+|       preserveAlpha=""
+|       preserveAspectRatio=""
+|       primitiveUnits=""
+|       refX=""
+|       refY=""
+|       repeatCount=""
+|       repeatDur=""
+|       requiredExtensions=""
+|       requiredFeatures=""
+|       specularConstant=""
+|       specularExponent=""
+|       spreadMethod=""
+|       startOffset=""
+|       stdDeviation=""
+|       stitchTiles=""
+|       surfaceScale=""
+|       systemLanguage=""
+|       tableValues=""
+|       targetX=""
+|       targetY=""
+|       textLength=""
+|       viewBox=""
+|       viewTarget=""
+|       xChannelSelector=""
+|       yChannelSelector=""
+|       zoomAndPan=""
+
+#data
+<!DOCTYPE html><body><svg attributename='' attributetype='' basefrequency='' baseprofile='' calcmode='' clippathunits='' contentscripttype='' contentstyletype='' diffuseconstant='' edgemode='' externalresourcesrequired='' filterres='' filterunits='' glyphref='' gradienttransform='' gradientunits='' kernelmatrix='' kernelunitlength='' keypoints='' keysplines='' keytimes='' lengthadjust='' limitingconeangle='' markerheight='' markerunits='' markerwidth='' maskcontentunits='' maskunits='' numoctaves='' pathlength='' patterncontentunits='' patterntransform='' patternunits='' pointsatx='' pointsaty='' pointsatz='' preservealpha='' preserveaspectratio='' primitiveunits='' refx='' refy='' repeatcount='' repeatdur='' requiredextensions='' requiredfeatures='' specularconstant='' specularexponent='' spreadmethod='' startoffset='' stddeviation='' stitchtiles='' surfacescale='' systemlanguage='' tablevalues='' targetx='' targety='' textlength='' viewbox='' viewtarget='' xchannelselector='' ychannelselector='' zoomandpan=''></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       attributeName=""
+|       attributeType=""
+|       baseFrequency=""
+|       baseProfile=""
+|       calcMode=""
+|       clipPathUnits=""
+|       contentscripttype=""
+|       contentstyletype=""
+|       diffuseConstant=""
+|       edgeMode=""
+|       externalresourcesrequired=""
+|       filterUnits=""
+|       filterres=""
+|       glyphRef=""
+|       gradientTransform=""
+|       gradientUnits=""
+|       kernelMatrix=""
+|       kernelUnitLength=""
+|       keyPoints=""
+|       keySplines=""
+|       keyTimes=""
+|       lengthAdjust=""
+|       limitingConeAngle=""
+|       markerHeight=""
+|       markerUnits=""
+|       markerWidth=""
+|       maskContentUnits=""
+|       maskUnits=""
+|       numOctaves=""
+|       pathLength=""
+|       patternContentUnits=""
+|       patternTransform=""
+|       patternUnits=""
+|       pointsAtX=""
+|       pointsAtY=""
+|       pointsAtZ=""
+|       preserveAlpha=""
+|       preserveAspectRatio=""
+|       primitiveUnits=""
+|       refX=""
+|       refY=""
+|       repeatCount=""
+|       repeatDur=""
+|       requiredExtensions=""
+|       requiredFeatures=""
+|       specularConstant=""
+|       specularExponent=""
+|       spreadMethod=""
+|       startOffset=""
+|       stdDeviation=""
+|       stitchTiles=""
+|       surfaceScale=""
+|       systemLanguage=""
+|       tableValues=""
+|       targetX=""
+|       targetY=""
+|       textLength=""
+|       viewBox=""
+|       viewTarget=""
+|       xChannelSelector=""
+|       yChannelSelector=""
+|       zoomAndPan=""
+
+#data
+<!DOCTYPE html><body><math attributeName='' attributeType='' baseFrequency='' baseProfile='' calcMode='' clipPathUnits='' contentScriptType='' contentStyleType='' diffuseConstant='' edgeMode='' externalResourcesRequired='' filterRes='' filterUnits='' glyphRef='' gradientTransform='' gradientUnits='' kernelMatrix='' kernelUnitLength='' keyPoints='' keySplines='' keyTimes='' lengthAdjust='' limitingConeAngle='' markerHeight='' markerUnits='' markerWidth='' maskContentUnits='' maskUnits='' numOctaves='' pathLength='' patternContentUnits='' patternTransform='' patternUnits='' pointsAtX='' pointsAtY='' pointsAtZ='' preserveAlpha='' preserveAspectRatio='' primitiveUnits='' refX='' refY='' repeatCount='' repeatDur='' requiredExtensions='' requiredFeatures='' specularConstant='' specularExponent='' spreadMethod='' startOffset='' stdDeviation='' stitchTiles='' surfaceScale='' systemLanguage='' tableValues='' targetX='' targetY='' textLength='' viewBox='' viewTarget='' xChannelSelector='' yChannelSelector='' zoomAndPan=''></math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       attributename=""
+|       attributetype=""
+|       basefrequency=""
+|       baseprofile=""
+|       calcmode=""
+|       clippathunits=""
+|       contentscripttype=""
+|       contentstyletype=""
+|       diffuseconstant=""
+|       edgemode=""
+|       externalresourcesrequired=""
+|       filterres=""
+|       filterunits=""
+|       glyphref=""
+|       gradienttransform=""
+|       gradientunits=""
+|       kernelmatrix=""
+|       kernelunitlength=""
+|       keypoints=""
+|       keysplines=""
+|       keytimes=""
+|       lengthadjust=""
+|       limitingconeangle=""
+|       markerheight=""
+|       markerunits=""
+|       markerwidth=""
+|       maskcontentunits=""
+|       maskunits=""
+|       numoctaves=""
+|       pathlength=""
+|       patterncontentunits=""
+|       patterntransform=""
+|       patternunits=""
+|       pointsatx=""
+|       pointsaty=""
+|       pointsatz=""
+|       preservealpha=""
+|       preserveaspectratio=""
+|       primitiveunits=""
+|       refx=""
+|       refy=""
+|       repeatcount=""
+|       repeatdur=""
+|       requiredextensions=""
+|       requiredfeatures=""
+|       specularconstant=""
+|       specularexponent=""
+|       spreadmethod=""
+|       startoffset=""
+|       stddeviation=""
+|       stitchtiles=""
+|       surfacescale=""
+|       systemlanguage=""
+|       tablevalues=""
+|       targetx=""
+|       targety=""
+|       textlength=""
+|       viewbox=""
+|       viewtarget=""
+|       xchannelselector=""
+|       ychannelselector=""
+|       zoomandpan=""
+
+#data
+<!DOCTYPE html><body><svg><altGlyph /><altGlyphDef /><altGlyphItem /><animateColor /><animateMotion /><animateTransform /><clipPath /><feBlend /><feColorMatrix /><feComponentTransfer /><feComposite /><feConvolveMatrix /><feDiffuseLighting /><feDisplacementMap /><feDistantLight /><feFlood /><feFuncA /><feFuncB /><feFuncG /><feFuncR /><feGaussianBlur /><feImage /><feMerge /><feMergeNode /><feMorphology /><feOffset /><fePointLight /><feSpecularLighting /><feSpotLight /><feTile /><feTurbulence /><foreignObject /><glyphRef /><linearGradient /><radialGradient /><textPath /></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg altGlyph>
+|       <svg altGlyphDef>
+|       <svg altGlyphItem>
+|       <svg animateColor>
+|       <svg animateMotion>
+|       <svg animateTransform>
+|       <svg clipPath>
+|       <svg feBlend>
+|       <svg feColorMatrix>
+|       <svg feComponentTransfer>
+|       <svg feComposite>
+|       <svg feConvolveMatrix>
+|       <svg feDiffuseLighting>
+|       <svg feDisplacementMap>
+|       <svg feDistantLight>
+|       <svg feFlood>
+|       <svg feFuncA>
+|       <svg feFuncB>
+|       <svg feFuncG>
+|       <svg feFuncR>
+|       <svg feGaussianBlur>
+|       <svg feImage>
+|       <svg feMerge>
+|       <svg feMergeNode>
+|       <svg feMorphology>
+|       <svg feOffset>
+|       <svg fePointLight>
+|       <svg feSpecularLighting>
+|       <svg feSpotLight>
+|       <svg feTile>
+|       <svg feTurbulence>
+|       <svg foreignObject>
+|       <svg glyphRef>
+|       <svg linearGradient>
+|       <svg radialGradient>
+|       <svg textPath>
+
+#data
+<!DOCTYPE html><body><svg><altglyph /><altglyphdef /><altglyphitem /><animatecolor /><animatemotion /><animatetransform /><clippath /><feblend /><fecolormatrix /><fecomponenttransfer /><fecomposite /><feconvolvematrix /><fediffuselighting /><fedisplacementmap /><fedistantlight /><feflood /><fefunca /><fefuncb /><fefuncg /><fefuncr /><fegaussianblur /><feimage /><femerge /><femergenode /><femorphology /><feoffset /><fepointlight /><fespecularlighting /><fespotlight /><fetile /><feturbulence /><foreignobject /><glyphref /><lineargradient /><radialgradient /><textpath /></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg altGlyph>
+|       <svg altGlyphDef>
+|       <svg altGlyphItem>
+|       <svg animateColor>
+|       <svg animateMotion>
+|       <svg animateTransform>
+|       <svg clipPath>
+|       <svg feBlend>
+|       <svg feColorMatrix>
+|       <svg feComponentTransfer>
+|       <svg feComposite>
+|       <svg feConvolveMatrix>
+|       <svg feDiffuseLighting>
+|       <svg feDisplacementMap>
+|       <svg feDistantLight>
+|       <svg feFlood>
+|       <svg feFuncA>
+|       <svg feFuncB>
+|       <svg feFuncG>
+|       <svg feFuncR>
+|       <svg feGaussianBlur>
+|       <svg feImage>
+|       <svg feMerge>
+|       <svg feMergeNode>
+|       <svg feMorphology>
+|       <svg feOffset>
+|       <svg fePointLight>
+|       <svg feSpecularLighting>
+|       <svg feSpotLight>
+|       <svg feTile>
+|       <svg feTurbulence>
+|       <svg foreignObject>
+|       <svg glyphRef>
+|       <svg linearGradient>
+|       <svg radialGradient>
+|       <svg textPath>
+
+#data
+<!DOCTYPE html><BODY><SVG><ALTGLYPH /><ALTGLYPHDEF /><ALTGLYPHITEM /><ANIMATECOLOR /><ANIMATEMOTION /><ANIMATETRANSFORM /><CLIPPATH /><FEBLEND /><FECOLORMATRIX /><FECOMPONENTTRANSFER /><FECOMPOSITE /><FECONVOLVEMATRIX /><FEDIFFUSELIGHTING /><FEDISPLACEMENTMAP /><FEDISTANTLIGHT /><FEFLOOD /><FEFUNCA /><FEFUNCB /><FEFUNCG /><FEFUNCR /><FEGAUSSIANBLUR /><FEIMAGE /><FEMERGE /><FEMERGENODE /><FEMORPHOLOGY /><FEOFFSET /><FEPOINTLIGHT /><FESPECULARLIGHTING /><FESPOTLIGHT /><FETILE /><FETURBULENCE /><FOREIGNOBJECT /><GLYPHREF /><LINEARGRADIENT /><RADIALGRADIENT /><TEXTPATH /></SVG>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg altGlyph>
+|       <svg altGlyphDef>
+|       <svg altGlyphItem>
+|       <svg animateColor>
+|       <svg animateMotion>
+|       <svg animateTransform>
+|       <svg clipPath>
+|       <svg feBlend>
+|       <svg feColorMatrix>
+|       <svg feComponentTransfer>
+|       <svg feComposite>
+|       <svg feConvolveMatrix>
+|       <svg feDiffuseLighting>
+|       <svg feDisplacementMap>
+|       <svg feDistantLight>
+|       <svg feFlood>
+|       <svg feFuncA>
+|       <svg feFuncB>
+|       <svg feFuncG>
+|       <svg feFuncR>
+|       <svg feGaussianBlur>
+|       <svg feImage>
+|       <svg feMerge>
+|       <svg feMergeNode>
+|       <svg feMorphology>
+|       <svg feOffset>
+|       <svg fePointLight>
+|       <svg feSpecularLighting>
+|       <svg feSpotLight>
+|       <svg feTile>
+|       <svg feTurbulence>
+|       <svg foreignObject>
+|       <svg glyphRef>
+|       <svg linearGradient>
+|       <svg radialGradient>
+|       <svg textPath>
+
+#data
+<!DOCTYPE html><body><math><altGlyph /><altGlyphDef /><altGlyphItem /><animateColor /><animateMotion /><animateTransform /><clipPath /><feBlend /><feColorMatrix /><feComponentTransfer /><feComposite /><feConvolveMatrix /><feDiffuseLighting /><feDisplacementMap /><feDistantLight /><feFlood /><feFuncA /><feFuncB /><feFuncG /><feFuncR /><feGaussianBlur /><feImage /><feMerge /><feMergeNode /><feMorphology /><feOffset /><fePointLight /><feSpecularLighting /><feSpotLight /><feTile /><feTurbulence /><foreignObject /><glyphRef /><linearGradient /><radialGradient /><textPath /></math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math altglyph>
+|       <math altglyphdef>
+|       <math altglyphitem>
+|       <math animatecolor>
+|       <math animatemotion>
+|       <math animatetransform>
+|       <math clippath>
+|       <math feblend>
+|       <math fecolormatrix>
+|       <math fecomponenttransfer>
+|       <math fecomposite>
+|       <math feconvolvematrix>
+|       <math fediffuselighting>
+|       <math fedisplacementmap>
+|       <math fedistantlight>
+|       <math feflood>
+|       <math fefunca>
+|       <math fefuncb>
+|       <math fefuncg>
+|       <math fefuncr>
+|       <math fegaussianblur>
+|       <math feimage>
+|       <math femerge>
+|       <math femergenode>
+|       <math femorphology>
+|       <math feoffset>
+|       <math fepointlight>
+|       <math fespecularlighting>
+|       <math fespotlight>
+|       <math fetile>
+|       <math feturbulence>
+|       <math foreignobject>
+|       <math glyphref>
+|       <math lineargradient>
+|       <math radialgradient>
+|       <math textpath>
+
+#data
+<!DOCTYPE html><body><svg><solidColor /></svg>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg solidcolor>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests12.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests12.dat
new file mode 100644
index 000000000..63107d277
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests12.dat
@@ -0,0 +1,62 @@
+#data
+<!DOCTYPE html><body><p>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><P>spam<TABLE><tr><td><img></td></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "foo"
+|       <math math>
+|         <math mtext>
+|           <i>
+|             "baz"
+|         <math annotation-xml>
+|           <svg svg>
+|             <svg desc>
+|               <b>
+|                 "eggs"
+|             <svg g>
+|               <svg foreignObject>
+|                 <p>
+|                   "spam"
+|                 <table>
+|                   <tbody>
+|                     <tr>
+|                       <td>
+|                         <img>
+|             <svg g>
+|               "quux"
+|       "bar"
+
+#data
+<!DOCTYPE html><body>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><P>spam<TABLE><tr><td><img></td></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "foo"
+|     <math math>
+|       <math mtext>
+|         <i>
+|           "baz"
+|       <math annotation-xml>
+|         <svg svg>
+|           <svg desc>
+|             <b>
+|               "eggs"
+|           <svg g>
+|             <svg foreignObject>
+|               <p>
+|                 "spam"
+|               <table>
+|                 <tbody>
+|                   <tr>
+|                     <td>
+|                       <img>
+|           <svg g>
+|             "quux"
+|     "bar"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests14.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests14.dat
new file mode 100644
index 000000000..a08b7649e
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests14.dat
@@ -0,0 +1,75 @@
+#data
+<!DOCTYPE html><html><body><xyz:abc></xyz:abc>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <xyz:abc>
+
+#data
+<!DOCTYPE html><html><body><xyz:abc></xyz:abc><span></span>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <xyz:abc>
+|     <span>
+
+#data
+<!DOCTYPE html><html><html abc:def=gh><xyz:abc></xyz:abc>
+#errors
+(1,38): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   abc:def="gh"
+|   <head>
+|   <body>
+|     <xyz:abc>
+
+#data
+<!DOCTYPE html><html xml:lang=bar><html xml:lang=foo>
+#errors
+(1,53): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   xml:lang="bar"
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><html 123=456>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   123="456"
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><html 123=456><html 789=012>
+#errors
+(1,43): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   123="456"
+|   789="012"
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><html><body 789=012>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     789="012"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests15.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests15.dat
new file mode 100644
index 000000000..93d06a871
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests15.dat
@@ -0,0 +1,216 @@
+#data
+<!DOCTYPE html><p><b><i><u></p> <p>X
+#errors
+(1,31): unexpected-end-tag
+(1,36): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <b>
+|         <i>
+|           <u>
+|     <b>
+|       <i>
+|         <u>
+|           " "
+|           <p>
+|             "X"
+
+#data
+<p><b><i><u></p>
+<p>X
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,16): unexpected-end-tag
+(2,4): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <b>
+|         <i>
+|           <u>
+|     <b>
+|       <i>
+|         <u>
+|           "
+"
+|           <p>
+|             "X"
+
+#data
+<!doctype html></html> <head>
+#errors
+(1,29): expected-eof-but-got-start-tag
+(1,29): unexpected-start-tag-ignored
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     " "
+
+#data
+<!doctype html></body><meta>
+#errors
+(1,28): unexpected-start-tag-after-body
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <meta>
+
+#data
+<html></html><!-- foo -->
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+| <!--  foo  -->
+
+#data
+<!doctype html></body><title>X</title>
+#errors
+(1,29): unexpected-start-tag-after-body
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <title>
+|       "X"
+
+#data
+<!doctype html><table> X<meta></table>
+#errors
+(1,23): foster-parenting-character
+(1,24): foster-parenting-character
+(1,30): foster-parenting-start-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     " X"
+|     <meta>
+|     <table>
+
+#data
+<!doctype html><table> x</table>
+#errors
+(1,23): foster-parenting-character
+(1,24): foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     " x"
+|     <table>
+
+#data
+<!doctype html><table> x </table>
+#errors
+(1,23): foster-parenting-character
+(1,24): foster-parenting-character
+(1,25): foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     " x "
+|     <table>
+
+#data
+<!doctype html><table><tr> x</table>
+#errors
+(1,27): foster-parenting-character
+(1,28): foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     " x"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!doctype html><table>X<style> <tr>x </style> </table>
+#errors
+(1,23): foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "X"
+|     <table>
+|       <style>
+|         " <tr>x "
+|       " "
+
+#data
+<!doctype html><div><table><a>foo</a> <tr><td>bar</td> </tr></table></div>
+#errors
+(1,30): foster-parenting-start-tag
+(1,31): foster-parenting-character
+(1,32): foster-parenting-character
+(1,33): foster-parenting-character
+(1,37): foster-parenting-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <a>
+|         "foo"
+|       <table>
+|         " "
+|         <tbody>
+|           <tr>
+|             <td>
+|               "bar"
+|             " "
+
+#data
+<frame></frame></frame><frameset><frame><frameset><frame></frameset><noframes></frameset><noframes>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,7): unexpected-start-tag-ignored
+(1,15): unexpected-end-tag
+(1,23): unexpected-end-tag
+(1,33): unexpected-start-tag
+(1,99): expected-named-closing-tag-but-got-eof
+(1,99): eof-in-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+|     <frameset>
+|       <frame>
+|     <noframes>
+|       "</frameset><noframes>"
+
+#data
+<!DOCTYPE html><object></html>
+#errors
+(1,30): expected-body-in-scope
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <object>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests16.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests16.dat
new file mode 100644
index 000000000..121915777
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests16.dat
@@ -0,0 +1,2458 @@
+#data
+<!doctype html><script>
+#errors
+(1,23): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|   <body>
+
+#data
+<!doctype html><script>a
+#errors
+(1,24): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "a"
+|   <body>
+
+#data
+<!doctype html><script><
+#errors
+(1,24): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<"
+|   <body>
+
+#data
+<!doctype html><script></
+#errors
+(1,25): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</"
+|   <body>
+
+#data
+<!doctype html><script></S
+#errors
+(1,26): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</S"
+|   <body>
+
+#data
+<!doctype html><script></SC
+#errors
+(1,27): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</SC"
+|   <body>
+
+#data
+<!doctype html><script></SCR
+#errors
+(1,28): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</SCR"
+|   <body>
+
+#data
+<!doctype html><script></SCRI
+#errors
+(1,29): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</SCRI"
+|   <body>
+
+#data
+<!doctype html><script></SCRIP
+#errors
+(1,30): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</SCRIP"
+|   <body>
+
+#data
+<!doctype html><script></SCRIPT
+#errors
+(1,31): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</SCRIPT"
+|   <body>
+
+#data
+<!doctype html><script></SCRIPT 
+#errors
+(1,32): expected-attribute-name-but-got-eof
+(1,32): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|   <body>
+
+#data
+<!doctype html><script></s
+#errors
+(1,26): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</s"
+|   <body>
+
+#data
+<!doctype html><script></sc
+#errors
+(1,27): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</sc"
+|   <body>
+
+#data
+<!doctype html><script></scr
+#errors
+(1,28): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</scr"
+|   <body>
+
+#data
+<!doctype html><script></scri
+#errors
+(1,29): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</scri"
+|   <body>
+
+#data
+<!doctype html><script></scrip
+#errors
+(1,30): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</scrip"
+|   <body>
+
+#data
+<!doctype html><script></script
+#errors
+(1,31): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "</script"
+|   <body>
+
+#data
+<!doctype html><script></script 
+#errors
+(1,32): expected-attribute-name-but-got-eof
+(1,32): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|   <body>
+
+#data
+<!doctype html><script><!
+#errors
+(1,25): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!"
+|   <body>
+
+#data
+<!doctype html><script><!a
+#errors
+(1,26): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!a"
+|   <body>
+
+#data
+<!doctype html><script><!-
+#errors
+(1,26): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!-"
+|   <body>
+
+#data
+<!doctype html><script><!-a
+#errors
+(1,27): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!-a"
+|   <body>
+
+#data
+<!doctype html><script><!--
+#errors
+(1,27): expected-named-closing-tag-but-got-eof
+(1,27): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--"
+|   <body>
+
+#data
+<!doctype html><script><!--a
+#errors
+(1,28): expected-named-closing-tag-but-got-eof
+(1,28): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--a"
+|   <body>
+
+#data
+<!doctype html><script><!--<
+#errors
+(1,28): expected-named-closing-tag-but-got-eof
+(1,28): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<"
+|   <body>
+
+#data
+<!doctype html><script><!--<a
+#errors
+(1,29): expected-named-closing-tag-but-got-eof
+(1,29): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<a"
+|   <body>
+
+#data
+<!doctype html><script><!--</
+#errors
+(1,29): expected-named-closing-tag-but-got-eof
+(1,29): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--</"
+|   <body>
+
+#data
+<!doctype html><script><!--</script
+#errors
+(1,35): expected-named-closing-tag-but-got-eof
+(1,35): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--</script"
+|   <body>
+
+#data
+<!doctype html><script><!--</script 
+#errors
+(1,36): expected-attribute-name-but-got-eof
+(1,36): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--"
+|   <body>
+
+#data
+<!doctype html><script><!--<s
+#errors
+(1,29): expected-named-closing-tag-but-got-eof
+(1,29): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<s"
+|   <body>
+
+#data
+<!doctype html><script><!--<script
+#errors
+(1,34): expected-named-closing-tag-but-got-eof
+(1,34): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script"
+|   <body>
+
+#data
+<!doctype html><script><!--<script 
+#errors
+(1,35): eof-in-script-in-script
+(1,35): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script "
+|   <body>
+
+#data
+<!doctype html><script><!--<script <
+#errors
+(1,36): eof-in-script-in-script
+(1,36): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script <"
+|   <body>
+
+#data
+<!doctype html><script><!--<script <a
+#errors
+(1,37): eof-in-script-in-script
+(1,37): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script <a"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </
+#errors
+(1,37): eof-in-script-in-script
+(1,37): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </s
+#errors
+(1,38): eof-in-script-in-script
+(1,38): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </s"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script
+#errors
+(1,43): eof-in-script-in-script
+(1,43): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </scripta
+#errors
+(1,44): eof-in-script-in-script
+(1,44): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </scripta"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script 
+#errors
+(1,44): expected-named-closing-tag-but-got-eof
+(1,44): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script>
+#errors
+(1,44): expected-named-closing-tag-but-got-eof
+(1,44): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script>"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script/
+#errors
+(1,44): expected-named-closing-tag-but-got-eof
+(1,44): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script/"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script <
+#errors
+(1,45): expected-named-closing-tag-but-got-eof
+(1,45): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script <"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script <a
+#errors
+(1,46): expected-named-closing-tag-but-got-eof
+(1,46): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script <a"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script </
+#errors
+(1,46): expected-named-closing-tag-but-got-eof
+(1,46): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script </"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script </script
+#errors
+(1,52): expected-named-closing-tag-but-got-eof
+(1,52): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script </script"
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script </script 
+#errors
+(1,53): expected-attribute-name-but-got-eof
+(1,53): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script </script/
+#errors
+(1,53): unexpected-EOF-after-solidus-in-tag
+(1,53): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
+<!doctype html><script><!--<script </script </script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
+<!doctype html><script><!--<script -
+#errors
+(1,36): eof-in-script-in-script
+(1,36): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -"
+|   <body>
+
+#data
+<!doctype html><script><!--<script -a
+#errors
+(1,37): eof-in-script-in-script
+(1,37): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -a"
+|   <body>
+
+#data
+<!doctype html><script><!--<script -<
+#errors
+(1,37): eof-in-script-in-script
+(1,37): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -<"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --
+#errors
+(1,37): eof-in-script-in-script
+(1,37): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --a
+#errors
+(1,38): eof-in-script-in-script
+(1,38): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --a"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --<
+#errors
+(1,38): eof-in-script-in-script
+(1,38): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --<"
+|   <body>
+
+#data
+<!doctype html><script><!--<script -->
+#errors
+(1,38): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --><
+#errors
+(1,39): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --><"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --></
+#errors
+(1,40): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --></"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --></script
+#errors
+(1,46): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --></script"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --></script 
+#errors
+(1,47): expected-attribute-name-but-got-eof
+(1,47): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --></script/
+#errors
+(1,47): unexpected-EOF-after-solidus-in-tag
+(1,47): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script --></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script><\/script>--></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script><\/script>-->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script></scr'+'ipt>--></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></scr'+'ipt>-->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script></script><script></script></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>"
+|   <body>
+
+#data
+<!doctype html><script><!--<script></script><script></script>--><!--</script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>--><!--"
+|   <body>
+
+#data
+<!doctype html><script><!--<script></script><script></script>-- ></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>-- >"
+|   <body>
+
+#data
+<!doctype html><script><!--<script></script><script></script>- -></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>- ->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script></script><script></script>- - ></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>- - >"
+|   <body>
+
+#data
+<!doctype html><script><!--<script></script><script></script>-></script>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>->"
+|   <body>
+
+#data
+<!doctype html><script><!--<script>--!></script>X
+#errors
+(1,49): expected-named-closing-tag-but-got-eof
+(1,49): unexpected-EOF-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script>--!></script>X"
+|   <body>
+
+#data
+<!doctype html><script><!--<scr'+'ipt></script>--></script>
+#errors
+(1,59): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<scr'+'ipt>"
+|   <body>
+|     "-->"
+
+#data
+<!doctype html><script><!--<script></scr'+'ipt></script>X
+#errors
+(1,57): expected-named-closing-tag-but-got-eof
+(1,57): unexpected-eof-in-text-mode
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></scr'+'ipt></script>X"
+|   <body>
+
+#data
+<!doctype html><style><!--<style></style>--></style>
+#errors
+(1,52): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "<!--<style>"
+|   <body>
+|     "-->"
+
+#data
+<!doctype html><style><!--</style>X
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "<!--"
+|   <body>
+|     "X"
+
+#data
+<!doctype html><style><!--...</style>...--></style>
+#errors
+(1,51): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "<!--..."
+|   <body>
+|     "...-->"
+
+#data
+<!doctype html><style><!--<br><html xmlns:v="urn:schemas-microsoft-com:vml"><!--[if !mso]><style></style>X
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "<!--<br><html xmlns:v="urn:schemas-microsoft-com:vml"><!--[if !mso]><style>"
+|   <body>
+|     "X"
+
+#data
+<!doctype html><style><!--...<style><!--...--!></style>--></style>
+#errors
+(1,66): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "<!--...<style><!--...--!>"
+|   <body>
+|     "-->"
+
+#data
+<!doctype html><style><!--...</style><!-- --><style>@import ...</style>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "<!--..."
+|     <!--   -->
+|     <style>
+|       "@import ..."
+|   <body>
+
+#data
+<!doctype html><style>...<style><!--...</style><!-- --></style>
+#errors
+(1,63): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "...<style><!--..."
+|     <!--   -->
+|   <body>
+
+#data
+<!doctype html><style>...<!--[if IE]><style>...</style>X
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <style>
+|       "...<!--[if IE]><style>..."
+|   <body>
+|     "X"
+
+#data
+<!doctype html><title><!--<title></title>--></title>
+#errors
+(1,52): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "<!--<title>"
+|   <body>
+|     "-->"
+
+#data
+<!doctype html><title>&lt;/title></title>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "</title>"
+|   <body>
+
+#data
+<!doctype html><title>foo/title><link></head><body>X
+#errors
+(1,52): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "foo/title><link></head><body>X"
+|   <body>
+
+#data
+<!doctype html><noscript><!--<noscript></noscript>--></noscript>
+#errors
+(1,64): unexpected-end-tag
+#script-on
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noscript>
+|       "<!--<noscript>"
+|   <body>
+|     "-->"
+
+#data
+<!doctype html><noscript><!--<noscript></noscript>--></noscript>
+#errors
+#script-off
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noscript>
+|       <!-- <noscript></noscript> -->
+|   <body>
+
+#data
+<!doctype html><noscript><!--</noscript>X<noscript>--></noscript>
+#errors
+#script-on
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noscript>
+|       "<!--"
+|   <body>
+|     "X"
+|     <noscript>
+|       "-->"
+
+#data
+<!doctype html><noscript><!--</noscript>X<noscript>--></noscript>
+#errors
+#script-off
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noscript>
+|       <!-- </noscript>X<noscript> -->
+|   <body>
+
+#data
+<!doctype html><noscript><iframe></noscript>X
+#errors
+#script-on
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noscript>
+|       "<iframe>"
+|   <body>
+|     "X"
+
+#data
+<!doctype html><noscript><iframe></noscript>X
+#errors
+ * (1,34) unexpected token in head noscript
+ * (1,46) unexpected EOF
+#script-off
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noscript>
+|   <body>
+|     <iframe>
+|       "</noscript>X"
+
+#data
+<!doctype html><noframes><!--<noframes></noframes>--></noframes>
+#errors
+(1,64): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noframes>
+|       "<!--<noframes>"
+|   <body>
+|     "-->"
+
+#data
+<!doctype html><noframes><body><script><!--...</script></body></noframes></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <noframes>
+|       "<body><script><!--...</script></body>"
+|   <body>
+
+#data
+<!doctype html><textarea><!--<textarea></textarea>--></textarea>
+#errors
+(1,64): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "<!--<textarea>"
+|     "-->"
+
+#data
+<!doctype html><textarea>&lt;/textarea></textarea>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "</textarea>"
+
+#data
+<!doctype html><textarea>&lt;</textarea>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "<"
+
+#data
+<!doctype html><textarea>a&lt;b</textarea>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "a<b"
+
+#data
+<!doctype html><iframe><!--<iframe></iframe>--></iframe>
+#errors
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+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <iframe>
+|       "<!--<iframe>"
+|     "-->"
+
+#data
+<!doctype html><iframe>...<!--X->...<!--/X->...</iframe>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <iframe>
+|       "...<!--X->...<!--/X->..."
+
+#data
+<!doctype html><xmp><!--<xmp></xmp>--></xmp>
+#errors
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+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <xmp>
+|       "<!--<xmp>"
+|     "-->"
+
+#data
+<!doctype html><noembed><!--<noembed></noembed>--></noembed>
+#errors
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+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <noembed>
+|       "<!--<noembed>"
+|     "-->"
+
+#data
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+|   <head>
+|     <script>
+|   <body>
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+#data
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+|     <script>
+|       "a"
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+#data
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+|     <script>
+|       "<"
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+#data
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+#data
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+#data
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+|       "</SC"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "</SCR"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "</SCRI"
+|   <body>
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+#data
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+|   <head>
+|     <script>
+|       "</SCRIP"
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+#data
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+|   <head>
+|     <script>
+|       "</SCRIPT"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "</s"
+|   <body>
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+#data
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+#document
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+|   <head>
+|     <script>
+|       "</sc"
+|   <body>
+
+#data
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+| <html>
+|   <head>
+|     <script>
+|       "</scr"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "</scri"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "</scrip"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "</script"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "<!"
+|   <body>
+
+#data
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+|     <script>
+|       "<!a"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "<!-"
+|   <body>
+
+#data
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+|   <head>
+|     <script>
+|       "<!-a"
+|   <body>
+
+#data
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--"
+|   <body>
+
+#data
+<script><!--a
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--a"
+|   <body>
+
+#data
+<script><!--<
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<"
+|   <body>
+
+#data
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<a"
+|   <body>
+
+#data
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--</"
+|   <body>
+
+#data
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--</script"
+|   <body>
+
+#data
+<script><!--</script 
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+| <html>
+|   <head>
+|     <script>
+|       "<!--"
+|   <body>
+
+#data
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<s"
+|   <body>
+
+#data
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script"
+|   <body>
+
+#data
+<script><!--<script 
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+(1,20): expected-named-closing-tag-but-got-eof
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script "
+|   <body>
+
+#data
+<script><!--<script <
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script <"
+|   <body>
+
+#data
+<script><!--<script <a
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+(1,22): expected-named-closing-tag-but-got-eof
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script <a"
+|   <body>
+
+#data
+<script><!--<script </
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+(1,22): expected-named-closing-tag-but-got-eof
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </"
+|   <body>
+
+#data
+<script><!--<script </s
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+(1,23): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </s"
+|   <body>
+
+#data
+<script><!--<script </script
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+(1,28): expected-named-closing-tag-but-got-eof
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script"
+|   <body>
+
+#data
+<script><!--<script </scripta
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+(1,29): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </scripta"
+|   <body>
+
+#data
+<script><!--<script </script 
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script>"
+|   <body>
+
+#data
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script/"
+|   <body>
+
+#data
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+(1,30): expected-named-closing-tag-but-got-eof
+(1,30): unexpected-eof-in-text-mode
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script <"
+|   <body>
+
+#data
+<script><!--<script </script <a
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+(1,31): expected-named-closing-tag-but-got-eof
+(1,31): unexpected-eof-in-text-mode
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script <a"
+|   <body>
+
+#data
+<script><!--<script </script </
+#errors
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+(1,31): unexpected-eof-in-text-mode
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script </"
+|   <body>
+
+#data
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+(1,37): expected-named-closing-tag-but-got-eof
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+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script </script"
+|   <body>
+
+#data
+<script><!--<script </script </script 
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
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+(1,38): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
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+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script </script "
+|   <body>
+
+#data
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+(1,21): expected-named-closing-tag-but-got-eof
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -"
+|   <body>
+
+#data
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+(1,22): eof-in-script-in-script
+(1,22): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -a"
+|   <body>
+
+#data
+<script><!--<script --
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+(1,22): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --"
+|   <body>
+
+#data
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+(1,23): eof-in-script-in-script
+(1,23): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --a"
+|   <body>
+
+#data
+<script><!--<script -->
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+(1,23): expected-named-closing-tag-but-got-eof
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+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<script><!--<script --><
+#errors
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+(1,24): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --><"
+|   <body>
+
+#data
+<script><!--<script --></
+#errors
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+(1,25): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --></"
+|   <body>
+
+#data
+<script><!--<script --></script
+#errors
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+(1,31): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script --></script"
+|   <body>
+
+#data
+<script><!--<script --></script 
+#errors
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+(1,32): expected-attribute-name-but-got-eof
+(1,32): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<script><!--<script --></script/
+#errors
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+(1,32): unexpected-EOF-after-solidus-in-tag
+(1,32): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<script><!--<script --></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script -->"
+|   <body>
+
+#data
+<script><!--<script><\/script>--></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script><\/script>-->"
+|   <body>
+
+#data
+<script><!--<script></scr'+'ipt>--></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></scr'+'ipt>-->"
+|   <body>
+
+#data
+<script><!--<script></script><script></script></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>"
+|   <body>
+
+#data
+<script><!--<script></script><script></script>--><!--</script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>--><!--"
+|   <body>
+
+#data
+<script><!--<script></script><script></script>-- ></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>-- >"
+|   <body>
+
+#data
+<script><!--<script></script><script></script>- -></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>- ->"
+|   <body>
+
+#data
+<script><!--<script></script><script></script>- - ></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>- - >"
+|   <body>
+
+#data
+<script><!--<script></script><script></script>-></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></script><script></script>->"
+|   <body>
+
+#data
+<script><!--<script>--!></script>X
+#errors
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+(1,34): expected-named-closing-tag-but-got-eof
+(1,34): unexpected-eof-in-text-mode
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script>--!></script>X"
+|   <body>
+
+#data
+<script><!--<scr'+'ipt></script>--></script>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,44): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<scr'+'ipt>"
+|   <body>
+|     "-->"
+
+#data
+<script><!--<script></scr'+'ipt></script>X
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,42): expected-named-closing-tag-but-got-eof
+(1,42): unexpected-eof-in-text-mode
+#document
+| <html>
+|   <head>
+|     <script>
+|       "<!--<script></scr'+'ipt></script>X"
+|   <body>
+
+#data
+<style><!--<style></style>--></style>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,37): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--<style>"
+|   <body>
+|     "-->"
+
+#data
+<style><!--</style>X
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--"
+|   <body>
+|     "X"
+
+#data
+<style><!--...</style>...--></style>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,36): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--..."
+|   <body>
+|     "...-->"
+
+#data
+<style><!--<br><html xmlns:v="urn:schemas-microsoft-com:vml"><!--[if !mso]><style></style>X
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--<br><html xmlns:v="urn:schemas-microsoft-com:vml"><!--[if !mso]><style>"
+|   <body>
+|     "X"
+
+#data
+<style><!--...<style><!--...--!></style>--></style>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,51): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--...<style><!--...--!>"
+|   <body>
+|     "-->"
+
+#data
+<style><!--...</style><!-- --><style>@import ...</style>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "<!--..."
+|     <!--   -->
+|     <style>
+|       "@import ..."
+|   <body>
+
+#data
+<style>...<style><!--...</style><!-- --></style>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,48): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "...<style><!--..."
+|     <!--   -->
+|   <body>
+
+#data
+<style>...<!--[if IE]><style>...</style>X
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       "...<!--[if IE]><style>..."
+|   <body>
+|     "X"
+
+#data
+<title><!--<title></title>--></title>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,37): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|       "<!--<title>"
+|   <body>
+|     "-->"
+
+#data
+<title>&lt;/title></title>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|       "</title>"
+|   <body>
+
+#data
+<title>foo/title><link></head><body>X
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,37): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <title>
+|       "foo/title><link></head><body>X"
+|   <body>
+
+#data
+<noscript><!--<noscript></noscript>--></noscript>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,49): unexpected-end-tag
+#script-on
+#document
+| <html>
+|   <head>
+|     <noscript>
+|       "<!--<noscript>"
+|   <body>
+|     "-->"
+
+#data
+<noscript><!--<noscript></noscript>--></noscript>
+#errors
+ * (1,11) missing DOCTYPE
+#script-off
+#document
+| <html>
+|   <head>
+|     <noscript>
+|       <!-- <noscript></noscript> -->
+|   <body>
+
+#data
+<noscript><!--</noscript>X<noscript>--></noscript>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#script-on
+#document
+| <html>
+|   <head>
+|     <noscript>
+|       "<!--"
+|   <body>
+|     "X"
+|     <noscript>
+|       "-->"
+
+#data
+<noscript><!--</noscript>X<noscript>--></noscript>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#script-off
+#document
+| <html>
+|   <head>
+|     <noscript>
+|       <!-- </noscript>X<noscript> -->
+|   <body>
+
+#data
+<noscript><iframe></noscript>X
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#script-on
+#document
+| <html>
+|   <head>
+|     <noscript>
+|       "<iframe>"
+|   <body>
+|     "X"
+
+#data
+<noscript><iframe></noscript>X
+#errors
+ * (1,11) missing DOCTYPE
+ * (1,19) unexpected token in head noscript
+ * (1,31) unexpected EOF
+#script-off
+#document
+| <html>
+|   <head>
+|     <noscript>
+|   <body>
+|     <iframe>
+|       "</noscript>X"
+
+#data
+<noframes><!--<noframes></noframes>--></noframes>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,49): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <noframes>
+|       "<!--<noframes>"
+|   <body>
+|     "-->"
+
+#data
+<noframes><body><script><!--...</script></body></noframes></html>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <noframes>
+|       "<body><script><!--...</script></body>"
+|   <body>
+
+#data
+<textarea><!--<textarea></textarea>--></textarea>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,49): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "<!--<textarea>"
+|     "-->"
+
+#data
+<textarea>&lt;/textarea></textarea>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "</textarea>"
+
+#data
+<iframe><!--<iframe></iframe>--></iframe>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,41): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <iframe>
+|       "<!--<iframe>"
+|     "-->"
+
+#data
+<iframe>...<!--X->...<!--/X->...</iframe>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <iframe>
+|       "...<!--X->...<!--/X->..."
+
+#data
+<xmp><!--<xmp></xmp>--></xmp>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,29): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <xmp>
+|       "<!--<xmp>"
+|     "-->"
+
+#data
+<noembed><!--<noembed></noembed>--></noembed>
+#errors
+(1,9): expected-doctype-but-got-start-tag
+(1,45): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <noembed>
+|       "<!--<noembed>"
+|     "-->"
+
+#data
+<!doctype html><table>
+
+#errors
+(2,0): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       "
+"
+
+#data
+<!doctype html><table><td><span><font></span><span>
+#errors
+(1,26): unexpected-cell-in-table-body
+(1,45): unexpected-end-tag
+(1,51): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <span>
+|               <font>
+|             <font>
+|               <span>
+
+#data
+<!doctype html><form><table></form><form></table></form>
+#errors
+(1,35): unexpected-end-tag-implies-table-voodoo
+(1,35): unexpected-end-tag
+(1,41): unexpected-form-in-table
+(1,56): unexpected-end-tag
+(1,56): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <table>
+|         <form>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests17.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests17.dat
new file mode 100644
index 000000000..e49bcf031
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests17.dat
@@ -0,0 +1,179 @@
+#data
+<!doctype html><table><tbody><select><tr>
+#errors
+(1,37): unexpected-start-tag-implies-table-voodoo
+(1,41): unexpected-table-element-start-tag-in-select-in-table
+(1,41): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!doctype html><table><tr><select><td>
+#errors
+(1,34): unexpected-start-tag-implies-table-voodoo
+(1,38): unexpected-table-element-start-tag-in-select-in-table
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<!doctype html><table><tr><td><select><td>
+#errors
+(1,42): unexpected-table-element-start-tag-in-select-in-table
+(1,42): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <select>
+|           <td>
+
+#data
+<!doctype html><table><tr><th><select><td>
+#errors
+(1,42): unexpected-table-element-start-tag-in-select-in-table
+(1,42): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <th>
+|             <select>
+|           <td>
+
+#data
+<!doctype html><table><caption><select><tr>
+#errors
+(1,43): unexpected-table-element-start-tag-in-select-in-table
+(1,43): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <select>
+|       <tbody>
+|         <tr>
+
+#data
+<!doctype html><select><tr>
+#errors
+(1,27): unexpected-start-tag-in-select
+(1,27): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><select><td>
+#errors
+(1,27): unexpected-start-tag-in-select
+(1,27): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><select><th>
+#errors
+(1,27): unexpected-start-tag-in-select
+(1,27): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><select><tbody>
+#errors
+(1,30): unexpected-start-tag-in-select
+(1,30): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><select><thead>
+#errors
+(1,30): unexpected-start-tag-in-select
+(1,30): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><select><tfoot>
+#errors
+(1,30): unexpected-start-tag-in-select
+(1,30): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><select><caption>
+#errors
+(1,32): unexpected-start-tag-in-select
+(1,32): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><table><tr></table>a
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|     "a"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests18.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests18.dat
new file mode 100644
index 000000000..926bccb38
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests18.dat
@@ -0,0 +1,322 @@
+#data
+<!doctype html><plaintext></plaintext>
+#errors
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <plaintext>
+|       "</plaintext>"
+
+#data
+<!doctype html><table><plaintext></plaintext>
+#errors
+(1,33): foster-parenting-start-tag
+(1,34): foster-parenting-character
+(1,35): foster-parenting-character
+(1,36): foster-parenting-character
+(1,37): foster-parenting-character
+(1,38): foster-parenting-character
+(1,39): foster-parenting-character
+(1,40): foster-parenting-character
+(1,41): foster-parenting-character
+(1,42): foster-parenting-character
+(1,43): foster-parenting-character
+(1,44): foster-parenting-character
+(1,45): foster-parenting-character
+(1,45): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <plaintext>
+|       "</plaintext>"
+|     <table>
+
+#data
+<!doctype html><table><tbody><plaintext></plaintext>
+#errors
+(1,40): foster-parenting-start-tag
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,41): foster-parenting-character
+(1,52): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <plaintext>
+|       "</plaintext>"
+|     <table>
+|       <tbody>
+
+#data
+<!doctype html><table><tbody><tr><plaintext></plaintext>
+#errors
+(1,44): foster-parenting-start-tag
+(1,45): foster-parenting-character
+(1,46): foster-parenting-character
+(1,47): foster-parenting-character
+(1,48): foster-parenting-character
+(1,49): foster-parenting-character
+(1,50): foster-parenting-character
+(1,51): foster-parenting-character
+(1,52): foster-parenting-character
+(1,53): foster-parenting-character
+(1,54): foster-parenting-character
+(1,55): foster-parenting-character
+(1,56): foster-parenting-character
+(1,56): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <plaintext>
+|       "</plaintext>"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!doctype html><table><td><plaintext></plaintext>
+#errors
+(1,26): unexpected-cell-in-table-body
+(1,49): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <plaintext>
+|               "</plaintext>"
+
+#data
+<!doctype html><table><caption><plaintext></plaintext>
+#errors
+(1,54): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <plaintext>
+|           "</plaintext>"
+
+#data
+<!doctype html><table><tr><style></script></style>abc
+#errors
+(1,51): foster-parenting-character
+(1,52): foster-parenting-character
+(1,53): foster-parenting-character
+(1,53): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "abc"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <style>
+|             "</script>"
+
+#data
+<!doctype html><table><tr><script></style></script>abc
+#errors
+(1,52): foster-parenting-character
+(1,53): foster-parenting-character
+(1,54): foster-parenting-character
+(1,54): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "abc"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <script>
+|             "</style>"
+
+#data
+<!doctype html><table><caption><style></script></style>abc
+#errors
+(1,58): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <style>
+|           "</script>"
+|         "abc"
+
+#data
+<!doctype html><table><td><style></script></style>abc
+#errors
+(1,26): unexpected-cell-in-table-body
+(1,53): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <style>
+|               "</script>"
+|             "abc"
+
+#data
+<!doctype html><select><script></style></script>abc
+#errors
+(1,51): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <script>
+|         "</style>"
+|       "abc"
+
+#data
+<!doctype html><table><select><script></style></script>abc
+#errors
+(1,30): unexpected-start-tag-implies-table-voodoo
+(1,58): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <script>
+|         "</style>"
+|       "abc"
+|     <table>
+
+#data
+<!doctype html><table><tr><select><script></style></script>abc
+#errors
+(1,34): unexpected-start-tag-implies-table-voodoo
+(1,62): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <script>
+|         "</style>"
+|       "abc"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!doctype html><frameset></frameset><noframes>abc
+#errors
+(1,49): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|   <noframes>
+|     "abc"
+
+#data
+<!doctype html><frameset></frameset><noframes>abc</noframes><!--abc-->
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|   <noframes>
+|     "abc"
+|   <!-- abc -->
+
+#data
+<!doctype html><frameset></frameset></html><noframes>abc
+#errors
+(1,56): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|   <noframes>
+|     "abc"
+
+#data
+<!doctype html><frameset></frameset></html><noframes>abc</noframes><!--abc-->
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|   <noframes>
+|     "abc"
+| <!-- abc -->
+
+#data
+<!doctype html><table><tr></tbody><tfoot>
+#errors
+(1,41): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|       <tfoot>
+
+#data
+<!doctype html><table><td><svg></svg>abc<td>
+#errors
+(1,26): unexpected-cell-in-table-body
+(1,44): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <svg svg>
+|             "abc"
+|           <td>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests19.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests19.dat
new file mode 100644
index 000000000..02158c8bb
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests19.dat
@@ -0,0 +1,1524 @@
+#data
+<!doctype html><math><mn DefinitionUrl="foo">
+#errors
+(1,45): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mn>
+|         definitionURL="foo"
+
+#data
+<!doctype html><html></p><!--foo-->
+#errors
+(1,25): end-tag-after-implied-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   <!-- foo -->
+|   <head>
+|   <body>
+
+#data
+<!doctype html><head></head></p><!--foo-->
+#errors
+(1,32): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <!-- foo -->
+|   <body>
+
+#data
+<!doctype html><body><p><pre>
+#errors
+(1,29): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <pre>
+
+#data
+<!doctype html><body><p><listing>
+#errors
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <listing>
+
+#data
+<!doctype html><p><plaintext>
+#errors
+(1,29): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <plaintext>
+
+#data
+<!doctype html><p><h1>
+#errors
+(1,22): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <h1>
+
+#data
+<!doctype html><form><isindex>
+#errors
+(1,30): deprecated-tag
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+
+#data
+<!doctype html><isindex action="POST">
+#errors
+(1,38): deprecated-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       action="POST"
+|       <hr>
+|       <label>
+|         "This is a searchable index. Enter search keywords: "
+|         <input>
+|           name="isindex"
+|       <hr>
+
+#data
+<!doctype html><isindex prompt="this is isindex">
+#errors
+(1,49): deprecated-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <hr>
+|       <label>
+|         "this is isindex"
+|         <input>
+|           name="isindex"
+|       <hr>
+
+#data
+<!doctype html><isindex type="hidden">
+#errors
+(1,38): deprecated-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <hr>
+|       <label>
+|         "This is a searchable index. Enter search keywords: "
+|         <input>
+|           name="isindex"
+|           type="hidden"
+|       <hr>
+
+#data
+<!doctype html><isindex name="foo">
+#errors
+(1,35): deprecated-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <hr>
+|       <label>
+|         "This is a searchable index. Enter search keywords: "
+|         <input>
+|           name="isindex"
+|       <hr>
+
+#data
+<!doctype html><ruby><p><rp>
+#errors
+(1,28): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <p>
+|       <rp>
+
+#data
+<!doctype html><ruby><div><span><rp>
+#errors
+(1,36): XXX-undefined-error
+(1,36): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <div>
+|         <span>
+|           <rp>
+
+#data
+<!doctype html><ruby><div><p><rp>
+#errors
+(1,33): XXX-undefined-error
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <div>
+|         <p>
+|         <rp>
+
+#data
+<!doctype html><ruby><p><rt>
+#errors
+(1,28): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <p>
+|       <rt>
+
+#data
+<!doctype html><ruby><div><span><rt>
+#errors
+(1,36): XXX-undefined-error
+(1,36): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <div>
+|         <span>
+|           <rt>
+
+#data
+<!doctype html><ruby><div><p><rt>
+#errors
+(1,33): XXX-undefined-error
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <div>
+|         <p>
+|         <rt>
+
+#data
+<html><ruby>a<rb>b<rt></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rb>
+|         "b"
+|       <rt>
+
+#data
+<html><ruby>a<rp>b<rt></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rp>
+|         "b"
+|       <rt>
+
+#data
+<html><ruby>a<rt>b<rt></ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rt>
+|         "b"
+|       <rt>
+
+#data
+<html><ruby>a<rtc>b<rt>c<rb>d</ruby></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       "a"
+|       <rtc>
+|         "b"
+|         <rt>
+|           "c"
+|       <rb>
+|         "d"
+
+#data
+<!doctype html><math/><foo>
+#errors
+(1,27): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|     <foo>
+
+#data
+<!doctype html><svg/><foo>
+#errors
+(1,26): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|     <foo>
+
+#data
+<!doctype html><div></body><!--foo-->
+#errors
+(1,27): expected-one-end-tag-but-got-another
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|   <!-- foo -->
+
+#data
+<!doctype html><h1><div><h3><span></h1>foo
+#errors
+(1,39): end-tag-too-early
+(1,42): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <h1>
+|       <div>
+|         <h3>
+|           <span>
+|         "foo"
+
+#data
+<!doctype html><p></h3>foo
+#errors
+(1,23): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "foo"
+
+#data
+<!doctype html><h3><li>abc</h2>foo
+#errors
+(1,31): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <h3>
+|       <li>
+|         "abc"
+|     "foo"
+
+#data
+<!doctype html><table>abc<!--foo-->
+#errors
+(1,23): foster-parenting-character
+(1,24): foster-parenting-character
+(1,25): foster-parenting-character
+(1,35): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "abc"
+|     <table>
+|       <!-- foo -->
+
+#data
+<!doctype html><table>  <!--foo-->
+#errors
+(1,34): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       "  "
+|       <!-- foo -->
+
+#data
+<!doctype html><table> b <!--foo-->
+#errors
+(1,23): foster-parenting-character
+(1,24): foster-parenting-character
+(1,25): foster-parenting-character
+(1,35): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     " b "
+|     <table>
+|       <!-- foo -->
+
+#data
+<!doctype html><select><option><option>
+#errors
+(1,39): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|       <option>
+
+#data
+<!doctype html><select><option></optgroup>
+#errors
+(1,42): unexpected-end-tag-in-select
+(1,42): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+
+#data
+<!doctype html><select><option></optgroup>
+#errors
+(1,42): unexpected-end-tag-in-select
+(1,42): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+
+#data
+<!doctype html><dd><optgroup><dd>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <dd>
+|       <optgroup>
+|     <dd>
+
+#data
+<!doctype html><p><math><mi><p><h1>
+#errors
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <math math>
+|         <math mi>
+|           <p>
+|           <h1>
+
+#data
+<!doctype html><p><math><mo><p><h1>
+#errors
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <math math>
+|         <math mo>
+|           <p>
+|           <h1>
+
+#data
+<!doctype html><p><math><mn><p><h1>
+#errors
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <math math>
+|         <math mn>
+|           <p>
+|           <h1>
+
+#data
+<!doctype html><p><math><ms><p><h1>
+#errors
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <math math>
+|         <math ms>
+|           <p>
+|           <h1>
+
+#data
+<!doctype html><p><math><mtext><p><h1>
+#errors
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <math math>
+|         <math mtext>
+|           <p>
+|           <h1>
+
+#data
+<!doctype html><frameset></noframes>
+#errors
+(1,36): unexpected-end-tag-in-frameset
+(1,36): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!doctype html><html c=d><body></html><html a=b>
+#errors
+(1,48): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   a="b"
+|   c="d"
+|   <head>
+|   <body>
+
+#data
+<!doctype html><html c=d><frameset></frameset></html><html a=b>
+#errors
+(1,63): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   a="b"
+|   c="d"
+|   <head>
+|   <frameset>
+
+#data
+<!doctype html><html><frameset></frameset></html><!--foo-->
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+| <!-- foo -->
+
+#data
+<!doctype html><html><frameset></frameset></html>  
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|   "  "
+
+#data
+<!doctype html><html><frameset></frameset></html>abc
+#errors
+(1,50): expected-eof-but-got-char
+(1,51): expected-eof-but-got-char
+(1,52): expected-eof-but-got-char
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!doctype html><html><frameset></frameset></html><p>
+#errors
+(1,52): expected-eof-but-got-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!doctype html><html><frameset></frameset></html></p>
+#errors
+(1,53): expected-eof-but-got-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<html><frameset></frameset></html><!doctype html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,49): unexpected-doctype
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!doctype html><body><frameset>
+#errors
+(1,31): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!doctype html><p><frameset><frame>
+#errors
+(1,28): unexpected-start-tag
+(1,35): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+
+#data
+<!doctype html><p>a<frameset>
+#errors
+(1,29): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "a"
+
+#data
+<!doctype html><p> <frameset><frame>
+#errors
+(1,29): unexpected-start-tag
+(1,36): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+
+#data
+<!doctype html><pre><frameset>
+#errors
+(1,30): unexpected-start-tag
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+
+#data
+<!doctype html><listing><frameset>
+#errors
+(1,34): unexpected-start-tag
+(1,34): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <listing>
+
+#data
+<!doctype html><li><frameset>
+#errors
+(1,29): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <li>
+
+#data
+<!doctype html><dd><frameset>
+#errors
+(1,29): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <dd>
+
+#data
+<!doctype html><dt><frameset>
+#errors
+(1,29): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <dt>
+
+#data
+<!doctype html><button><frameset>
+#errors
+(1,33): unexpected-start-tag
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <button>
+
+#data
+<!doctype html><applet><frameset>
+#errors
+(1,33): unexpected-start-tag
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <applet>
+
+#data
+<!doctype html><marquee><frameset>
+#errors
+(1,34): unexpected-start-tag
+(1,34): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <marquee>
+
+#data
+<!doctype html><object><frameset>
+#errors
+(1,33): unexpected-start-tag
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <object>
+
+#data
+<!doctype html><table><frameset>
+#errors
+(1,32): unexpected-start-tag-implies-table-voodoo
+(1,32): unexpected-start-tag
+(1,32): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+
+#data
+<!doctype html><area><frameset>
+#errors
+(1,31): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <area>
+
+#data
+<!doctype html><basefont><frameset>
+#errors
+(1,35): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <basefont>
+|   <frameset>
+
+#data
+<!doctype html><bgsound><frameset>
+#errors
+(1,34): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <bgsound>
+|   <frameset>
+
+#data
+<!doctype html><br><frameset>
+#errors
+(1,29): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <br>
+
+#data
+<!doctype html><embed><frameset>
+#errors
+(1,32): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <embed>
+
+#data
+<!doctype html><img><frameset>
+#errors
+(1,30): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <img>
+
+#data
+<!doctype html><input><frameset>
+#errors
+(1,32): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <input>
+
+#data
+<!doctype html><keygen><frameset>
+#errors
+(1,33): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <keygen>
+
+#data
+<!doctype html><wbr><frameset>
+#errors
+(1,30): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <wbr>
+
+#data
+<!doctype html><hr><frameset>
+#errors
+(1,29): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <hr>
+
+#data
+<!doctype html><textarea></textarea><frameset>
+#errors
+(1,46): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+
+#data
+<!doctype html><xmp></xmp><frameset>
+#errors
+(1,36): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <xmp>
+
+#data
+<!doctype html><iframe></iframe><frameset>
+#errors
+(1,42): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <iframe>
+
+#data
+<!doctype html><select></select><frameset>
+#errors
+(1,42): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!doctype html><svg></svg><frameset><frame>
+#errors
+(1,36): unexpected-start-tag
+(1,43): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+
+#data
+<!doctype html><math></math><frameset><frame>
+#errors
+(1,38): unexpected-start-tag
+(1,45): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+
+#data
+<!doctype html><svg><foreignObject><div> <frameset><frame>
+#errors
+(1,51): unexpected-start-tag
+(1,58): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+
+#data
+<!doctype html><svg>a</svg><frameset><frame>
+#errors
+(1,37): unexpected-start-tag
+(1,44): unexpected-start-tag-ignored
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "a"
+
+#data
+<!doctype html><svg> </svg><frameset><frame>
+#errors
+(1,37): unexpected-start-tag
+(1,44): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|     <frame>
+
+#data
+<html>aaa<frameset></frameset>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,19): unexpected-start-tag
+(1,30): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     "aaa"
+
+#data
+<html> a <frameset></frameset>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,19): unexpected-start-tag
+(1,30): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     "a "
+
+#data
+<!doctype html><div><frameset>
+#errors
+(1,30): unexpected-start-tag
+(1,30): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!doctype html><div><body><frameset>
+#errors
+(1,26): unexpected-start-tag
+(1,36): unexpected-start-tag
+(1,36): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <div>
+
+#data
+<!doctype html><p><math></p>a
+#errors
+(1,28): unexpected-end-tag
+(1,28): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <math math>
+|     "a"
+
+#data
+<!doctype html><p><math><mn><span></p>a
+#errors
+(1,38): unexpected-end-tag
+(1,39): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <math math>
+|         <math mn>
+|           <span>
+|             <p>
+|             "a"
+
+#data
+<!doctype html><math></html>
+#errors
+(1,28): unexpected-end-tag
+(1,28): expected-one-end-tag-but-got-another
+(1,28): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+
+#data
+<!doctype html><meta charset="ascii">
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <meta>
+|       charset="ascii"
+|   <body>
+
+#data
+<!doctype html><meta http-equiv="content-type" content="text/html;charset=ascii">
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <meta>
+|       content="text/html;charset=ascii"
+|       http-equiv="content-type"
+|   <body>
+
+#data
+<!doctype html><head><!--aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa--><meta charset="utf8">
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <!-- aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa -->
+|     <meta>
+|       charset="utf8"
+|   <body>
+
+#data
+<!doctype html><html a=b><head></head><html c=d>
+#errors
+(1,48): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   a="b"
+|   c="d"
+|   <head>
+|   <body>
+
+#data
+<!doctype html><image/>
+#errors
+(1,23): image-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <img>
+
+#data
+<!doctype html>a<i>b<table>c<b>d</i>e</b>f
+#errors
+(1,28): foster-parenting-character
+(1,31): foster-parenting-start-tag
+(1,32): foster-parenting-character
+(1,36): foster-parenting-end-tag
+(1,36): adoption-agency-1.3
+(1,37): foster-parenting-character
+(1,41): foster-parenting-end-tag
+(1,42): foster-parenting-character
+(1,42): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "a"
+|     <i>
+|       "bc"
+|       <b>
+|         "de"
+|       "f"
+|       <table>
+
+#data
+<!doctype html><table><i>a<b>b<div>c<a>d</i>e</b>f
+#errors
+(1,25): foster-parenting-start-tag
+(1,26): foster-parenting-character
+(1,29): foster-parenting-start-tag
+(1,30): foster-parenting-character
+(1,35): foster-parenting-start-tag
+(1,36): foster-parenting-character
+(1,39): foster-parenting-start-tag
+(1,40): foster-parenting-character
+(1,44): foster-parenting-end-tag
+(1,44): adoption-agency-1.3
+(1,44): adoption-agency-1.3
+(1,45): foster-parenting-character
+(1,49): foster-parenting-end-tag
+(1,49): adoption-agency-1.3
+(1,49): adoption-agency-1.3
+(1,50): foster-parenting-character
+(1,50): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <i>
+|       "a"
+|       <b>
+|         "b"
+|     <b>
+|     <div>
+|       <b>
+|         <i>
+|           "c"
+|           <a>
+|             "d"
+|         <a>
+|           "e"
+|       <a>
+|         "f"
+|     <table>
+
+#data
+<!doctype html><i>a<b>b<div>c<a>d</i>e</b>f
+#errors
+(1,37): adoption-agency-1.3
+(1,37): adoption-agency-1.3
+(1,42): adoption-agency-1.3
+(1,42): adoption-agency-1.3
+(1,43): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <i>
+|       "a"
+|       <b>
+|         "b"
+|     <b>
+|     <div>
+|       <b>
+|         <i>
+|           "c"
+|           <a>
+|             "d"
+|         <a>
+|           "e"
+|       <a>
+|         "f"
+
+#data
+<!doctype html><table><i>a<b>b<div>c</i>
+#errors
+(1,25): foster-parenting-start-tag
+(1,26): foster-parenting-character
+(1,29): foster-parenting-start-tag
+(1,30): foster-parenting-character
+(1,35): foster-parenting-start-tag
+(1,36): foster-parenting-character
+(1,40): foster-parenting-end-tag
+(1,40): adoption-agency-1.3
+(1,40): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <i>
+|       "a"
+|       <b>
+|         "b"
+|     <b>
+|       <div>
+|         <i>
+|           "c"
+|     <table>
+
+#data
+<!doctype html><table><i>a<b>b<div>c<a>d</i>e</b>f
+#errors
+(1,25): foster-parenting-start-tag
+(1,26): foster-parenting-character
+(1,29): foster-parenting-start-tag
+(1,30): foster-parenting-character
+(1,35): foster-parenting-start-tag
+(1,36): foster-parenting-character
+(1,39): foster-parenting-start-tag
+(1,40): foster-parenting-character
+(1,44): foster-parenting-end-tag
+(1,44): adoption-agency-1.3
+(1,44): adoption-agency-1.3
+(1,45): foster-parenting-character
+(1,49): foster-parenting-end-tag
+(1,44): adoption-agency-1.3
+(1,44): adoption-agency-1.3
+(1,50): foster-parenting-character
+(1,50): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <i>
+|       "a"
+|       <b>
+|         "b"
+|     <b>
+|     <div>
+|       <b>
+|         <i>
+|           "c"
+|           <a>
+|             "d"
+|         <a>
+|           "e"
+|       <a>
+|         "f"
+|     <table>
+
+#data
+<!doctype html><table><i>a<div>b<tr>c<b>d</i>e
+#errors
+(1,25): foster-parenting-start-tag
+(1,26): foster-parenting-character
+(1,31): foster-parenting-start-tag
+(1,32): foster-parenting-character
+(1,37): foster-parenting-character
+(1,40): foster-parenting-start-tag
+(1,41): foster-parenting-character
+(1,45): foster-parenting-end-tag
+(1,45): adoption-agency-1.3
+(1,46): foster-parenting-character
+(1,46): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <i>
+|       "a"
+|       <div>
+|         "b"
+|     <i>
+|       "c"
+|       <b>
+|         "d"
+|     <b>
+|       "e"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!doctype html><table><td><table><i>a<div>b<b>c</i>d
+#errors
+(1,26): unexpected-cell-in-table-body
+(1,36): foster-parenting-start-tag
+(1,37): foster-parenting-character
+(1,42): foster-parenting-start-tag
+(1,43): foster-parenting-character
+(1,46): foster-parenting-start-tag
+(1,47): foster-parenting-character
+(1,51): foster-parenting-end-tag
+(1,51): adoption-agency-1.3
+(1,51): adoption-agency-1.3
+(1,52): foster-parenting-character
+(1,52): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <i>
+|               "a"
+|             <div>
+|               <i>
+|                 "b"
+|                 <b>
+|                   "c"
+|               <b>
+|                 "d"
+|             <table>
+
+#data
+<!doctype html><body><bgsound>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <bgsound>
+
+#data
+<!doctype html><body><basefont>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <basefont>
+
+#data
+<!doctype html><a><b></a><basefont>
+#errors
+(1,25): adoption-agency-1.3
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <b>
+|     <basefont>
+
+#data
+<!doctype html><a><b></a><bgsound>
+#errors
+(1,25): adoption-agency-1.3
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <b>
+|     <bgsound>
+
+#data
+<!doctype html><figcaption><article></figcaption>a
+#errors
+(1,49): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <figcaption>
+|       <article>
+|     "a"
+
+#data
+<!doctype html><summary><article></summary>a
+#errors
+(1,43): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <summary>
+|       <article>
+|     "a"
+
+#data
+<!doctype html><p><a><plaintext>b
+#errors
+(1,32): unexpected-end-tag
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <a>
+|     <plaintext>
+|       <a>
+|         "b"
+
+#data
+<!DOCTYPE html><div>a<a></div>b<p>c</p>d
+#errors
+(1,30): end-tag-too-early
+(1,40): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "a"
+|       <a>
+|     <a>
+|       "b"
+|       <p>
+|         "c"
+|       "d"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests2.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests2.dat
new file mode 100644
index 000000000..41953160f
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests2.dat
@@ -0,0 +1,799 @@
+#data
+<!DOCTYPE html>Test
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "Test"
+
+#data
+<textarea>test</div>test
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,24): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "test</div>test"
+
+#data
+<table><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,11): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<table><td>test</tbody></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "test"
+
+#data
+<frame>test
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,7): unexpected-start-tag-ignored
+#document
+| <html>
+|   <head>
+|   <body>
+|     "test"
+
+#data
+<!DOCTYPE html><frameset>test
+#errors
+(1,29): unexpected-char-in-frameset
+(1,29): unexpected-char-in-frameset
+(1,29): unexpected-char-in-frameset
+(1,29): unexpected-char-in-frameset
+(1,29): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!DOCTYPE html><frameset> te st
+#errors
+(1,29): unexpected-char-in-frameset
+(1,29): unexpected-char-in-frameset
+(1,29): unexpected-char-in-frameset
+(1,29): unexpected-char-in-frameset
+(1,29): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|     "  "
+
+#data
+<!DOCTYPE html><frameset></frameset> te st
+#errors
+(1,29): unexpected-char-after-frameset
+(1,29): unexpected-char-after-frameset
+(1,29): unexpected-char-after-frameset
+(1,29): unexpected-char-after-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+|   "  "
+
+#data
+<!DOCTYPE html><frameset><!DOCTYPE html>
+#errors
+(1,40): unexpected-doctype
+(1,40): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!DOCTYPE html><font><p><b>test</font>
+#errors
+(1,38): adoption-agency-1.3
+(1,38): adoption-agency-1.3
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <font>
+|     <p>
+|       <font>
+|         <b>
+|           "test"
+
+#data
+<!DOCTYPE html><dt><div><dd>
+#errors
+(1,28): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <dt>
+|       <div>
+|     <dd>
+
+#data
+<script></x
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,11): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <script>
+|       "</x"
+|   <body>
+
+#data
+<table><plaintext><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,18): unexpected-start-tag-implies-table-voodoo
+(1,22): foster-parenting-character-in-table
+(1,22): foster-parenting-character-in-table
+(1,22): foster-parenting-character-in-table
+(1,22): foster-parenting-character-in-table
+(1,22): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <plaintext>
+|       "<td>"
+|     <table>
+
+#data
+<plaintext></plaintext>
+#errors
+(1,11): expected-doctype-but-got-start-tag
+(1,23): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <plaintext>
+|       "</plaintext>"
+
+#data
+<!DOCTYPE html><table><tr>TEST
+#errors
+(1,30): foster-parenting-character-in-table
+(1,30): foster-parenting-character-in-table
+(1,30): foster-parenting-character-in-table
+(1,30): foster-parenting-character-in-table
+(1,30): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "TEST"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!DOCTYPE html><body t1=1><body t2=2><body t3=3 t4=4>
+#errors
+(1,37): unexpected-start-tag
+(1,53): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     t1="1"
+|     t2="2"
+|     t3="3"
+|     t4="4"
+
+#data
+</b test
+#errors
+(1,8): eof-in-attribute-name
+(1,8): expected-doctype-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html></b test<b &=&amp>X
+#errors
+(1,24): invalid-character-in-attribute-name
+(1,32): named-entity-without-semicolon
+(1,33): attributes-in-end-tag
+(1,33): unexpected-end-tag-before-html
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "X"
+
+#data
+<!doctypehtml><scrIPt type=text/x-foobar;baz>X</SCRipt
+#errors
+(1,9): need-space-after-doctype
+(1,54): expected-named-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       type="text/x-foobar;baz"
+|       "X</SCRipt"
+|   <body>
+
+#data
+&
+#errors
+(1,1): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "&"
+
+#data
+&#
+#errors
+(1,2): expected-numeric-entity
+(1,2): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "&#"
+
+#data
+&#X
+#errors
+(1,3): expected-numeric-entity
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "&#X"
+
+#data
+&#x
+#errors
+(1,3): expected-numeric-entity
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "&#x"
+
+#data
+&#45
+#errors
+(1,4): numeric-entity-without-semicolon
+(1,4): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "-"
+
+#data
+&x-test
+#errors
+(1,2): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "&x-test"
+
+#data
+<!doctypehtml><p><li>
+#errors
+(1,9): need-space-after-doctype
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <li>
+
+#data
+<!doctypehtml><p><dt>
+#errors
+(1,9): need-space-after-doctype
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <dt>
+
+#data
+<!doctypehtml><p><dd>
+#errors
+(1,9): need-space-after-doctype
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <dd>
+
+#data
+<!doctypehtml><p><form>
+#errors
+(1,9): need-space-after-doctype
+(1,23): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <form>
+
+#data
+<!DOCTYPE html><p></P>X
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     "X"
+
+#data
+&AMP
+#errors
+(1,4): named-entity-without-semicolon
+(1,4): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "&"
+
+#data
+&AMp;
+#errors
+(1,3): expected-named-entity
+(1,3): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "&AMp;"
+
+#data
+<!DOCTYPE html><html><head></head><body><thisISasillyTESTelementNameToMakeSureCrazyTagNamesArePARSEDcorrectLY>
+#errors
+(1,110): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly>
+
+#data
+<!DOCTYPE html>X</body>X
+#errors
+(1,24): unexpected-char-after-body
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "XX"
+
+#data
+<!DOCTYPE html><!-- X
+#errors
+(1,21): eof-in-comment
+#document
+| <!DOCTYPE html>
+| <!--  X -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><table><caption>test TEST</caption><td>test
+#errors
+(1,54): unexpected-cell-in-table-body
+(1,58): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         "test TEST"
+|       <tbody>
+|         <tr>
+|           <td>
+|             "test"
+
+#data
+<!DOCTYPE html><select><option><optgroup>
+#errors
+(1,41): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|       <optgroup>
+
+#data
+<!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
+#errors
+(1,68): unexpected-select-in-select
+(1,76): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <optgroup>
+|         <option>
+|       <option>
+|     <option>
+
+#data
+<!DOCTYPE html><select><optgroup><option><optgroup>
+#errors
+(1,51): eof-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <optgroup>
+|         <option>
+|       <optgroup>
+
+#data
+<!DOCTYPE html><datalist><option>foo</datalist>bar
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <datalist>
+|       <option>
+|         "foo"
+|     "bar"
+
+#data
+<!DOCTYPE html><font><input><input></font>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <font>
+|       <input>
+|       <input>
+
+#data
+<!DOCTYPE html><!-- XXX - XXX -->
+#errors
+#document
+| <!DOCTYPE html>
+| <!--  XXX - XXX  -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><!-- XXX - XXX
+#errors
+(1,29): eof-in-comment
+#document
+| <!DOCTYPE html>
+| <!--  XXX - XXX -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><!-- XXX - XXX - XXX -->
+#errors
+#document
+| <!DOCTYPE html>
+| <!--  XXX - XXX - XXX  -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<isindex test=x name=x>
+#errors
+(1,23): expected-doctype-but-got-start-tag
+(1,23): deprecated-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <hr>
+|       <label>
+|         "This is a searchable index. Enter search keywords: "
+|         <input>
+|           name="isindex"
+|           test="x"
+|       <hr>
+
+#data
+test
+test
+#errors
+(2,4): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "test
+test"
+
+#data
+<!DOCTYPE html><body><title>test</body></title>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <title>
+|       "test</body>"
+
+#data
+<!DOCTYPE html><body><title>X</title><meta name=z><link rel=foo><style>
+x { content:"</style" } </style>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <title>
+|       "X"
+|     <meta>
+|       name="z"
+|     <link>
+|       rel="foo"
+|     <style>
+|       "
+x { content:"</style" } "
+
+#data
+<!DOCTYPE html><select><optgroup></optgroup></select>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <optgroup>
+
+#data
+ 
+ 
+#errors
+(2,1): expected-doctype-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html>  <html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><script>
+</script>  <title>x</title>  </head>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <script>
+|       "
+"
+|     "  "
+|     <title>
+|       "x"
+|     "  "
+|   <body>
+
+#data
+<!DOCTYPE html><html><body><html id=x>
+#errors
+(1,38): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   id="x"
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html>X</body><html id="x">
+#errors
+(1,36): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   id="x"
+|   <head>
+|   <body>
+|     "X"
+
+#data
+<!DOCTYPE html><head><html id=x>
+#errors
+(1,32): non-html-root
+#document
+| <!DOCTYPE html>
+| <html>
+|   id="x"
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html>X</html>X
+#errors
+(1,24): expected-eof-but-got-char
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "XX"
+
+#data
+<!DOCTYPE html>X</html> 
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "X "
+
+#data
+<!DOCTYPE html>X</html><p>X
+#errors
+(1,26): expected-eof-but-got-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "X"
+|     <p>
+|       "X"
+
+#data
+<!DOCTYPE html>X<p/x/y/z>
+#errors
+(1,19): unexpected-character-after-solidus-in-tag
+(1,21): unexpected-character-after-solidus-in-tag
+(1,23): unexpected-character-after-solidus-in-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "X"
+|     <p>
+|       x=""
+|       y=""
+|       z=""
+
+#data
+<!DOCTYPE html><!--x--
+#errors
+(1,22): eof-in-comment-double-dash
+#document
+| <!DOCTYPE html>
+| <!-- x -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE html><table><tr><td></p></table>
+#errors
+(1,34): unexpected-end-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <p>
+
+#data
+<!DOCTYPE <!DOCTYPE HTML>><!--<!--x-->-->
+#errors
+(1,20): expected-space-or-right-bracket-in-doctype
+(1,25): unknown-doctype
+(1,35): unexpected-char-in-comment
+#document
+| <!DOCTYPE <!doctype>
+| <html>
+|   <head>
+|   <body>
+|     ">"
+|     <!-- <!--x -->
+|     "-->"
+
+#data
+<!doctype html><div><form></form><div></div></div>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <form>
+|       <div>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests20.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests20.dat
new file mode 100644
index 000000000..52c5acdc6
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests20.dat
@@ -0,0 +1,516 @@
+#data
+<!doctype html><p><button><button>
+#errors
+(1,34): unexpected-start-tag-implies-end-tag
+(1,34): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|       <button>
+
+#data
+<!doctype html><p><button><address>
+#errors
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <address>
+
+#data
+<!doctype html><p><button><blockquote>
+#errors
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <blockquote>
+
+#data
+<!doctype html><p><button><menu>
+#errors
+(1,32): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <menu>
+
+#data
+<!doctype html><p><button><p>
+#errors
+(1,29): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <p>
+
+#data
+<!doctype html><p><button><ul>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <ul>
+
+#data
+<!doctype html><p><button><h1>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <h1>
+
+#data
+<!doctype html><p><button><h6>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <h6>
+
+#data
+<!doctype html><p><button><listing>
+#errors
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <listing>
+
+#data
+<!doctype html><p><button><pre>
+#errors
+(1,31): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <pre>
+
+#data
+<!doctype html><p><button><form>
+#errors
+(1,32): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <form>
+
+#data
+<!doctype html><p><button><li>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <li>
+
+#data
+<!doctype html><p><button><dd>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <dd>
+
+#data
+<!doctype html><p><button><dt>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <dt>
+
+#data
+<!doctype html><p><button><plaintext>
+#errors
+(1,37): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <plaintext>
+
+#data
+<!doctype html><p><button><table>
+#errors
+(1,33): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <table>
+
+#data
+<!doctype html><p><button><hr>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <hr>
+
+#data
+<!doctype html><p><button><xmp>
+#errors
+(1,31): expected-named-closing-tag-but-got-eof
+(1,31): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <xmp>
+
+#data
+<!doctype html><p><button></p>
+#errors
+(1,30): unexpected-end-tag
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <button>
+|         <p>
+
+#data
+<!doctype html><address><button></address>a
+#errors
+(1,42): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <address>
+|       <button>
+|     "a"
+
+#data
+<!doctype html><address><button></address>a
+#errors
+(1,42): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <address>
+|       <button>
+|     "a"
+
+#data
+<p><table></p>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,14): unexpected-end-tag-implies-table-voodoo
+(1,14): unexpected-end-tag
+(1,14): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <p>
+|       <table>
+
+#data
+<!doctype html><svg>
+#errors
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+
+#data
+<!doctype html><p><figcaption>
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <figcaption>
+
+#data
+<!doctype html><p><summary>
+#errors
+(1,27): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <summary>
+
+#data
+<!doctype html><form><table><form>
+#errors
+(1,34): unexpected-form-in-table
+(1,34): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <table>
+
+#data
+<!doctype html><table><form><form>
+#errors
+(1,28): unexpected-form-in-table
+(1,34): unexpected-form-in-table
+(1,34): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <form>
+
+#data
+<!doctype html><table><form></table><form>
+#errors
+(1,28): unexpected-form-in-table
+(1,42): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <form>
+
+#data
+<!doctype html><svg><foreignObject><p>
+#errors
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg foreignObject>
+|         <p>
+
+#data
+<!doctype html><svg><title>abc
+#errors
+(1,30): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg title>
+|         "abc"
+
+#data
+<option><span><option>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,22): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <option>
+|       <span>
+|         <option>
+
+#data
+<option><option>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <option>
+|     <option>
+
+#data
+<math><annotation-xml><div>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,27): unexpected-html-element-in-foreign-content
+(1,27): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|     <div>
+
+#data
+<math><annotation-xml encoding="application/svg+xml"><div>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,58): unexpected-html-element-in-foreign-content
+(1,58): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         encoding="application/svg+xml"
+|     <div>
+
+#data
+<math><annotation-xml encoding="application/xhtml+xml"><div>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,60): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         encoding="application/xhtml+xml"
+|         <div>
+
+#data
+<math><annotation-xml encoding="aPPlication/xhtmL+xMl"><div>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,60): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         encoding="aPPlication/xhtmL+xMl"
+|         <div>
+
+#data
+<math><annotation-xml encoding="text/html"><div>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,48): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         encoding="text/html"
+|         <div>
+
+#data
+<math><annotation-xml encoding="Text/htmL"><div>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,48): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         encoding="Text/htmL"
+|         <div>
+
+#data
+<math><annotation-xml encoding=" text/html "><div>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,50): unexpected-html-element-in-foreign-content
+(1,50): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         encoding=" text/html "
+|     <div>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests21.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests21.dat
new file mode 100644
index 000000000..d384a5556
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests21.dat
@@ -0,0 +1,305 @@
+#data
+<svg><![CDATA[foo]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "foo"
+
+#data
+<math><![CDATA[foo]]>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       "foo"
+
+#data
+<div><![CDATA[foo]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,7): expected-dashes-or-doctype
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <!-- [CDATA[foo]] -->
+
+#data
+<svg><![CDATA[foo
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "foo"
+
+#data
+<svg><![CDATA[foo
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "foo"
+
+#data
+<svg><![CDATA[
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,14): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+
+#data
+<svg><![CDATA[]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+
+#data
+<svg><![CDATA[]] >]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "]] >"
+
+#data
+<svg><![CDATA[]] >]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "]] >"
+
+#data
+<svg><![CDATA[]]
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "]]"
+
+#data
+<svg><![CDATA[]
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,15): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "]"
+
+#data
+<svg><![CDATA[]>a
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "]>a"
+
+#data
+<!DOCTYPE html><svg><![CDATA[foo]]]>
+#errors
+(1,36): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "foo]"
+
+#data
+<!DOCTYPE html><svg><![CDATA[foo]]]]>
+#errors
+(1,37): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "foo]]"
+
+#data
+<!DOCTYPE html><svg><![CDATA[foo]]]]]>
+#errors
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "foo]]]"
+
+#data
+<svg><foreignObject><div><![CDATA[foo]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,27): expected-dashes-or-doctype
+(1,40): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg foreignObject>
+|         <div>
+|           <!-- [CDATA[foo]] -->
+
+#data
+<svg><![CDATA[<svg>]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,22): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "<svg>"
+
+#data
+<svg><![CDATA[</svg>a]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,24): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "</svg>a"
+
+#data
+<svg><![CDATA[<svg>a
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "<svg>a"
+
+#data
+<svg><![CDATA[</svg>a
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "</svg>a"
+
+#data
+<svg><![CDATA[<svg>]]><path>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,28): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "<svg>"
+|       <svg path>
+
+#data
+<svg><![CDATA[<svg>]]></path>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,29): unexpected-end-tag
+(1,29): unexpected-end-tag
+(1,29): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "<svg>"
+
+#data
+<svg><![CDATA[<svg>]]><!--path-->
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "<svg>"
+|       <!-- path -->
+
+#data
+<svg><![CDATA[<svg>]]>path
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,26): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "<svg>path"
+
+#data
+<svg><![CDATA[<!--svg-->]]>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,27): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       "<!--svg-->"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests22.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests22.dat
new file mode 100644
index 000000000..31e6d9e33
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests22.dat
@@ -0,0 +1,190 @@
+#data
+<a><b><big><em><strong><div>X</a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,33): adoption-agency-1.3
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <b>
+|         <big>
+|           <em>
+|             <strong>
+|     <big>
+|       <em>
+|         <strong>
+|           <div>
+|             <a>
+|               "X"
+
+#data
+<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8>A</a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,91): adoption-agency-1.3
+(1,91): adoption-agency-1.3
+(1,91): adoption-agency-1.3
+(1,91): adoption-agency-1.3
+(1,91): adoption-agency-1.3
+(1,91): adoption-agency-1.3
+(1,91): adoption-agency-1.3
+(1,91): adoption-agency-1.3
+(1,91): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <b>
+|     <b>
+|       <div>
+|         id="1"
+|         <a>
+|         <div>
+|           id="2"
+|           <a>
+|           <div>
+|             id="3"
+|             <a>
+|             <div>
+|               id="4"
+|               <a>
+|               <div>
+|                 id="5"
+|                 <a>
+|                 <div>
+|                   id="6"
+|                   <a>
+|                   <div>
+|                     id="7"
+|                     <a>
+|                     <div>
+|                       id="8"
+|                       <a>
+|                         "A"
+
+#data
+<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8><div id=9>A</a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,101): adoption-agency-1.3
+(1,101): adoption-agency-1.3
+(1,101): adoption-agency-1.3
+(1,101): adoption-agency-1.3
+(1,101): adoption-agency-1.3
+(1,101): adoption-agency-1.3
+(1,101): adoption-agency-1.3
+(1,101): adoption-agency-1.3
+(1,101): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <b>
+|     <b>
+|       <div>
+|         id="1"
+|         <a>
+|         <div>
+|           id="2"
+|           <a>
+|           <div>
+|             id="3"
+|             <a>
+|             <div>
+|               id="4"
+|               <a>
+|               <div>
+|                 id="5"
+|                 <a>
+|                 <div>
+|                   id="6"
+|                   <a>
+|                   <div>
+|                     id="7"
+|                     <a>
+|                     <div>
+|                       id="8"
+|                       <a>
+|                         <div>
+|                           id="9"
+|                           "A"
+
+#data
+<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8><div id=9><div id=10>A</a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,112): adoption-agency-1.3
+(1,112): adoption-agency-1.3
+(1,112): adoption-agency-1.3
+(1,112): adoption-agency-1.3
+(1,112): adoption-agency-1.3
+(1,112): adoption-agency-1.3
+(1,112): adoption-agency-1.3
+(1,112): adoption-agency-1.3
+(1,112): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       <b>
+|     <b>
+|       <div>
+|         id="1"
+|         <a>
+|         <div>
+|           id="2"
+|           <a>
+|           <div>
+|             id="3"
+|             <a>
+|             <div>
+|               id="4"
+|               <a>
+|               <div>
+|                 id="5"
+|                 <a>
+|                 <div>
+|                   id="6"
+|                   <a>
+|                   <div>
+|                     id="7"
+|                     <a>
+|                     <div>
+|                       id="8"
+|                       <a>
+|                         <div>
+|                           id="9"
+|                           <div>
+|                             id="10"
+|                             "A"
+
+#data
+<cite><b><cite><i><cite><i><cite><i><div>X</b>TEST
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,46): adoption-agency-1.3
+(1,50): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <cite>
+|       <b>
+|         <cite>
+|           <i>
+|             <cite>
+|               <i>
+|                 <cite>
+|                   <i>
+|       <i>
+|         <i>
+|           <div>
+|             <b>
+|               "X"
+|             "TEST"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests23.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests23.dat
new file mode 100644
index 000000000..49e4a4ace
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests23.dat
@@ -0,0 +1,168 @@
+#data
+<p><font size=4><font color=red><font size=4><font size=4><font size=4><font size=4><font size=4><font color=red><p>X
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,116): unexpected-end-tag
+(1,117): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <font>
+|         size="4"
+|         <font>
+|           color="red"
+|           <font>
+|             size="4"
+|             <font>
+|               size="4"
+|               <font>
+|                 size="4"
+|                 <font>
+|                   size="4"
+|                   <font>
+|                     size="4"
+|                     <font>
+|                       color="red"
+|     <p>
+|       <font>
+|         color="red"
+|         <font>
+|           size="4"
+|           <font>
+|             size="4"
+|             <font>
+|               size="4"
+|               <font>
+|                 color="red"
+|                 "X"
+
+#data
+<p><font size=4><font size=4><font size=4><font size=4><p>X
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,58): unexpected-end-tag
+(1,59): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <font>
+|         size="4"
+|         <font>
+|           size="4"
+|           <font>
+|             size="4"
+|             <font>
+|               size="4"
+|     <p>
+|       <font>
+|         size="4"
+|         <font>
+|           size="4"
+|           <font>
+|             size="4"
+|             "X"
+
+#data
+<p><font size=4><font size=4><font size=4><font size="5"><font size=4><p>X
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,73): unexpected-end-tag
+(1,74): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <font>
+|         size="4"
+|         <font>
+|           size="4"
+|           <font>
+|             size="4"
+|             <font>
+|               size="5"
+|               <font>
+|                 size="4"
+|     <p>
+|       <font>
+|         size="4"
+|         <font>
+|           size="4"
+|           <font>
+|             size="5"
+|             <font>
+|               size="4"
+|               "X"
+
+#data
+<p><font size=4 id=a><font size=4 id=b><font size=4><font size=4><p>X
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,68): unexpected-end-tag
+(1,69): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <font>
+|         id="a"
+|         size="4"
+|         <font>
+|           id="b"
+|           size="4"
+|           <font>
+|             size="4"
+|             <font>
+|               size="4"
+|     <p>
+|       <font>
+|         id="a"
+|         size="4"
+|         <font>
+|           id="b"
+|           size="4"
+|           <font>
+|             size="4"
+|             <font>
+|               size="4"
+|               "X"
+
+#data
+<p><b id=a><b id=a><b id=a><b><object><b id=a><b id=a>X</object><p>Y
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,64): end-tag-too-early
+(1,67): unexpected-end-tag
+(1,68): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <b>
+|         id="a"
+|         <b>
+|           id="a"
+|           <b>
+|             id="a"
+|             <b>
+|               <object>
+|                 <b>
+|                   id="a"
+|                   <b>
+|                     id="a"
+|                     "X"
+|     <p>
+|       <b>
+|         id="a"
+|         <b>
+|           id="a"
+|           <b>
+|             id="a"
+|             <b>
+|               "Y"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests24.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests24.dat
new file mode 100644
index 000000000..f6dc7eb48
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests24.dat
@@ -0,0 +1,79 @@
+#data
+<!DOCTYPE html>&NotEqualTilde;
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "≂̸"
+
+#data
+<!DOCTYPE html>&NotEqualTilde;A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "≂̸A"
+
+#data
+<!DOCTYPE html>&ThickSpace;
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "  "
+
+#data
+<!DOCTYPE html>&ThickSpace;A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "  A"
+
+#data
+<!DOCTYPE html>&NotSubset;
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "⊂⃒"
+
+#data
+<!DOCTYPE html>&NotSubset;A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "⊂⃒A"
+
+#data
+<!DOCTYPE html>&Gopf;
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "𝔾"
+
+#data
+<!DOCTYPE html>&Gopf;A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "𝔾A"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests25.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests25.dat
new file mode 100644
index 000000000..103574ee4
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests25.dat
@@ -0,0 +1,232 @@
+#data
+<!DOCTYPE html><body><foo>A
+#errors
+(1,27): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <foo>
+|       "A"
+
+#data
+<!DOCTYPE html><body><area>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <area>
+|     "A"
+
+#data
+<!DOCTYPE html><body><base>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <base>
+|     "A"
+
+#data
+<!DOCTYPE html><body><basefont>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <basefont>
+|     "A"
+
+#data
+<!DOCTYPE html><body><bgsound>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <bgsound>
+|     "A"
+
+#data
+<!DOCTYPE html><body><br>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <br>
+|     "A"
+
+#data
+<!DOCTYPE html><body><col>A
+#errors
+(1,26): unexpected-start-tag-ignored
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "A"
+
+#data
+<!DOCTYPE html><body><command>A
+#errors
+eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <command>
+|       "A"
+
+#data
+<!DOCTYPE html><body><menuitem>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <menuitem>
+|     "A"
+
+#data
+<!DOCTYPE html><body><embed>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <embed>
+|     "A"
+
+#data
+<!DOCTYPE html><body><frame>A
+#errors
+(1,28): unexpected-start-tag-ignored
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "A"
+
+#data
+<!DOCTYPE html><body><hr>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <hr>
+|     "A"
+
+#data
+<!DOCTYPE html><body><img>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <img>
+|     "A"
+
+#data
+<!DOCTYPE html><body><input>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <input>
+|     "A"
+
+#data
+<!DOCTYPE html><body><keygen>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <keygen>
+|     "A"
+
+#data
+<!DOCTYPE html><body><link>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <link>
+|     "A"
+
+#data
+<!DOCTYPE html><body><meta>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <meta>
+|     "A"
+
+#data
+<!DOCTYPE html><body><param>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <param>
+|     "A"
+
+#data
+<!DOCTYPE html><body><source>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <source>
+|     "A"
+
+#data
+<!DOCTYPE html><body><track>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <track>
+|     "A"
+
+#data
+<!DOCTYPE html><body><wbr>A
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <wbr>
+|     "A"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests26.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests26.dat
new file mode 100644
index 000000000..8964624a4
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests26.dat
@@ -0,0 +1,388 @@
+#data
+<!DOCTYPE html><body><a href='#1'><nobr>1<nobr></a><br><a href='#2'><nobr>2<nobr></a><br><a href='#3'><nobr>3<nobr></a>
+#errors
+(1,47): unexpected-start-tag-implies-end-tag
+(1,51): adoption-agency-1.3
+(1,74): unexpected-start-tag-implies-end-tag
+(1,74): adoption-agency-1.3
+(1,81): unexpected-start-tag-implies-end-tag
+(1,85): adoption-agency-1.3
+(1,108): unexpected-start-tag-implies-end-tag
+(1,108): adoption-agency-1.3
+(1,115): unexpected-start-tag-implies-end-tag
+(1,119): adoption-agency-1.3
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       href="#1"
+|       <nobr>
+|         "1"
+|       <nobr>
+|     <nobr>
+|       <br>
+|       <a>
+|         href="#2"
+|     <a>
+|       href="#2"
+|       <nobr>
+|         "2"
+|       <nobr>
+|     <nobr>
+|       <br>
+|       <a>
+|         href="#3"
+|     <a>
+|       href="#3"
+|       <nobr>
+|         "3"
+|       <nobr>
+
+#data
+<!DOCTYPE html><body><b><nobr>1<nobr></b><i><nobr>2<nobr></i>3
+#errors
+(1,37): unexpected-start-tag-implies-end-tag
+(1,41): adoption-agency-1.3
+(1,50): unexpected-start-tag-implies-end-tag
+(1,50): adoption-agency-1.3
+(1,57): unexpected-start-tag-implies-end-tag
+(1,61): adoption-agency-1.3
+(1,62): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <nobr>
+|         "1"
+|       <nobr>
+|     <nobr>
+|       <i>
+|     <i>
+|       <nobr>
+|         "2"
+|       <nobr>
+|     <nobr>
+|       "3"
+
+#data
+<!DOCTYPE html><body><b><nobr>1<table><nobr></b><i><nobr>2<nobr></i>3
+#errors
+(1,44): foster-parenting-start-tag
+(1,48): foster-parenting-end-tag
+(1,48): adoption-agency-1.3
+(1,51): foster-parenting-start-tag
+(1,57): foster-parenting-start-tag
+(1,57): nobr-already-in-scope
+(1,57): adoption-agency-1.2
+(1,58): foster-parenting-character
+(1,64): foster-parenting-start-tag
+(1,64): nobr-already-in-scope
+(1,68): foster-parenting-end-tag
+(1,68): adoption-agency-1.2
+(1,69): foster-parenting-character
+(1,69): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <nobr>
+|         "1"
+|         <nobr>
+|           <i>
+|         <i>
+|           <nobr>
+|             "2"
+|           <nobr>
+|         <nobr>
+|           "3"
+|         <table>
+
+#data
+<!DOCTYPE html><body><b><nobr>1<table><tr><td><nobr></b><i><nobr>2<nobr></i>3
+#errors
+(1,56): unexpected-end-tag
+(1,65): unexpected-start-tag-implies-end-tag
+(1,65): adoption-agency-1.3
+(1,72): unexpected-start-tag-implies-end-tag
+(1,76): adoption-agency-1.3
+(1,77): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <nobr>
+|         "1"
+|         <table>
+|           <tbody>
+|             <tr>
+|               <td>
+|                 <nobr>
+|                   <i>
+|                 <i>
+|                   <nobr>
+|                     "2"
+|                   <nobr>
+|                 <nobr>
+|                   "3"
+
+#data
+<!DOCTYPE html><body><b><nobr>1<div><nobr></b><i><nobr>2<nobr></i>3
+#errors
+(1,42): unexpected-start-tag-implies-end-tag
+(1,42): adoption-agency-1.3
+(1,46): adoption-agency-1.3
+(1,46): adoption-agency-1.3
+(1,55): unexpected-start-tag-implies-end-tag
+(1,55): adoption-agency-1.3
+(1,62): unexpected-start-tag-implies-end-tag
+(1,66): adoption-agency-1.3
+(1,67): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <nobr>
+|         "1"
+|     <div>
+|       <b>
+|         <nobr>
+|         <nobr>
+|       <nobr>
+|         <i>
+|       <i>
+|         <nobr>
+|           "2"
+|         <nobr>
+|       <nobr>
+|         "3"
+
+#data
+<!DOCTYPE html><body><b><nobr>1<nobr></b><div><i><nobr>2<nobr></i>3
+#errors
+(1,37): unexpected-start-tag-implies-end-tag
+(1,41): adoption-agency-1.3
+(1,55): unexpected-start-tag-implies-end-tag
+(1,55): adoption-agency-1.3
+(1,62): unexpected-start-tag-implies-end-tag
+(1,66): adoption-agency-1.3
+(1,67): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <nobr>
+|         "1"
+|       <nobr>
+|     <div>
+|       <nobr>
+|         <i>
+|       <i>
+|         <nobr>
+|           "2"
+|         <nobr>
+|       <nobr>
+|         "3"
+
+#data
+<!DOCTYPE html><body><b><nobr>1<nobr><ins></b><i><nobr>
+#errors
+(1,37): unexpected-start-tag-implies-end-tag
+(1,46): adoption-agency-1.3
+(1,55): unexpected-start-tag-implies-end-tag
+(1,55): adoption-agency-1.3
+(1,55): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <nobr>
+|         "1"
+|       <nobr>
+|         <ins>
+|     <nobr>
+|       <i>
+|     <i>
+|       <nobr>
+
+#data
+<!DOCTYPE html><body><b><nobr>1<ins><nobr></b><i>2
+#errors
+(1,42): unexpected-start-tag-implies-end-tag
+(1,42): adoption-agency-1.3
+(1,46): adoption-agency-1.3
+(1,50): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       <nobr>
+|         "1"
+|         <ins>
+|       <nobr>
+|     <nobr>
+|       <i>
+|         "2"
+
+#data
+<!DOCTYPE html><body><b>1<nobr></b><i><nobr>2</i>
+#errors
+(1,35): adoption-agency-1.3
+(1,44): unexpected-start-tag-implies-end-tag
+(1,44): adoption-agency-1.3
+(1,49): adoption-agency-1.3
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "1"
+|       <nobr>
+|     <nobr>
+|       <i>
+|     <i>
+|       <nobr>
+|         "2"
+
+#data
+<p><code x</code></p>
+
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,11): invalid-character-in-attribute-name
+(1,12): unexpected-character-after-solidus-in-tag
+(1,21): unexpected-end-tag
+(2,0): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <code>
+|         code=""
+|         x<=""
+|     <code>
+|       code=""
+|       x<=""
+|       "
+"
+
+#data
+<!DOCTYPE html><svg><foreignObject><p><i></p>a
+#errors
+(1,45): unexpected-end-tag
+(1,46): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg foreignObject>
+|         <p>
+|           <i>
+|         <i>
+|           "a"
+
+#data
+<!DOCTYPE html><table><tr><td><svg><foreignObject><p><i></p>a
+#errors
+(1,60): unexpected-end-tag
+(1,61): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <svg svg>
+|               <svg foreignObject>
+|                 <p>
+|                   <i>
+|                 <i>
+|                   "a"
+
+#data
+<!DOCTYPE html><math><mtext><p><i></p>a
+#errors
+(1,38): unexpected-end-tag
+(1,39): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mtext>
+|         <p>
+|           <i>
+|         <i>
+|           "a"
+
+#data
+<!DOCTYPE html><table><tr><td><math><mtext><p><i></p>a
+#errors
+(1,53): unexpected-end-tag
+(1,54): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <math math>
+|               <math mtext>
+|                 <p>
+|                   <i>
+|                 <i>
+|                   "a"
+
+#data
+<!DOCTYPE html><body><div><!/div>a
+#errors
+(1,28): expected-dashes-or-doctype
+(1,34): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <!-- /div -->
+|       "a"
+
+#data
+<button><p><button>
+#errors
+Line 1 Col 8 Unexpected start tag (button). Expected DOCTYPE.
+Line 1 Col 19 Unexpected start tag (button) implies end tag (button).
+Line 1 Col 19 Expected closing tag. Unexpected end of file.
+#document
+| <html>
+|   <head>
+|   <body>
+|     <button>
+|       <p>
+|     <button>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests3.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests3.dat
new file mode 100644
index 000000000..c7583d99e
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests3.dat
@@ -0,0 +1,305 @@
+#data
+<head></head><style></style>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,20): unexpected-start-tag-out-of-my-head
+#document
+| <html>
+|   <head>
+|     <style>
+|   <body>
+
+#data
+<head></head><script></script>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,21): unexpected-start-tag-out-of-my-head
+#document
+| <html>
+|   <head>
+|     <script>
+|   <body>
+
+#data
+<head></head><!-- --><style></style><!-- --><script></script>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,28): unexpected-start-tag-out-of-my-head
+(1,52): unexpected-start-tag-out-of-my-head
+#document
+| <html>
+|   <head>
+|     <style>
+|     <script>
+|   <!--   -->
+|   <!--   -->
+|   <body>
+
+#data
+<head></head><!-- -->x<style></style><!-- --><script></script>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <!--   -->
+|   <body>
+|     "x"
+|     <style>
+|     <!--   -->
+|     <script>
+
+#data
+<!DOCTYPE html><html><head></head><body><pre>
+</pre></body></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+
+#data
+<!DOCTYPE html><html><head></head><body><pre>
+foo</pre></body></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+|       "foo"
+
+#data
+<!DOCTYPE html><html><head></head><body><pre>
+
+foo</pre></body></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+|       "
+foo"
+
+#data
+<!DOCTYPE html><html><head></head><body><pre>
+foo
+</pre></body></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+|       "foo
+"
+
+#data
+<!DOCTYPE html><html><head></head><body><pre>x</pre><span>
+</span></body></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+|       "x"
+|     <span>
+|       "
+"
+
+#data
+<!DOCTYPE html><html><head></head><body><pre>x
+y</pre></body></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+|       "x
+y"
+
+#data
+<!DOCTYPE html><html><head></head><body><pre>x<div>
+y</pre></body></html>
+#errors
+(2,7): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+|       "x"
+|       <div>
+|         "
+y"
+
+#data
+<!DOCTYPE html><pre>&#x0a;&#x0a;A</pre>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <pre>
+|       "
+A"
+
+#data
+<!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>
+#errors
+(1,33): two-heads-are-not-better-than-one
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <meta>
+|   <body>
+
+#data
+<!DOCTYPE html><HTML><HEAD><head></HEAD></HTML>
+#errors
+(1,33): two-heads-are-not-better-than-one
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+<textarea>foo<span>bar</span><i>baz
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,35): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "foo<span>bar</span><i>baz"
+
+#data
+<title>foo<span>bar</em><i>baz
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,30): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|     <title>
+|       "foo<span>bar</em><i>baz"
+|   <body>
+
+#data
+<!DOCTYPE html><textarea>
+</textarea>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+
+#data
+<!DOCTYPE html><textarea>
+foo</textarea>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "foo"
+
+#data
+<!DOCTYPE html><textarea>
+
+foo</textarea>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       "
+foo"
+
+#data
+<!DOCTYPE html><html><head></head><body><ul><li><div><p><li></ul></body></html>
+#errors
+(1,60): end-tag-too-early
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <ul>
+|       <li>
+|         <div>
+|           <p>
+|       <li>
+
+#data
+<!doctype html><nobr><nobr><nobr>
+#errors
+(1,27): unexpected-start-tag-implies-end-tag
+(1,33): unexpected-start-tag-implies-end-tag
+(1,33): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <nobr>
+|     <nobr>
+|     <nobr>
+
+#data
+<!doctype html><nobr><nobr></nobr><nobr>
+#errors
+(1,27): unexpected-start-tag-implies-end-tag
+(1,40): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <nobr>
+|     <nobr>
+|     <nobr>
+
+#data
+<!doctype html><html><body><p><table></table></body></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <table>
+
+#data
+<p><table></table>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <table>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests4.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests4.dat
new file mode 100644
index 000000000..0a6174c36
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests4.dat
@@ -0,0 +1,58 @@
+#data
+direct div content
+#errors
+#document-fragment
+div
+#document
+| "direct div content"
+
+#data
+direct textarea content
+#errors
+#document-fragment
+textarea
+#document
+| "direct textarea content"
+
+#data
+textarea content with <em>pseudo</em> <foo>markup
+#errors
+#document-fragment
+textarea
+#document
+| "textarea content with <em>pseudo</em> <foo>markup"
+
+#data
+this is &#x0043;DATA inside a <style> element
+#errors
+#document-fragment
+style
+#document
+| "this is &#x0043;DATA inside a <style> element"
+
+#data
+</plaintext>
+#errors
+#document-fragment
+plaintext
+#document
+| "</plaintext>"
+
+#data
+setting html's innerHTML
+#errors
+#document-fragment
+html
+#document
+| <head>
+| <body>
+|   "setting html's innerHTML"
+
+#data
+<title>setting head's innerHTML</title>
+#errors
+#document-fragment
+head
+#document
+| <title>
+|   "setting head's innerHTML"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests5.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests5.dat
new file mode 100644
index 000000000..1ef8cae42
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests5.dat
@@ -0,0 +1,210 @@
+#data
+<style> <!-- </style>x
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       " <!-- "
+|   <body>
+|     "x"
+
+#data
+<style> <!-- </style> --> </style>x
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,34): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       " <!-- "
+|     " "
+|   <body>
+|     "--> x"
+
+#data
+<style> <!--> </style>x
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       " <!--> "
+|   <body>
+|     "x"
+
+#data
+<style> <!---> </style>x
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       " <!---> "
+|   <body>
+|     "x"
+
+#data
+<iframe> <!---> </iframe>x
+#errors
+(1,8): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <iframe>
+|       " <!---> "
+|     "x"
+
+#data
+<iframe> <!--- </iframe>->x</iframe> --> </iframe>x
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,36): unexpected-end-tag
+(1,50): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <iframe>
+|       " <!--- "
+|     "->x --> x"
+
+#data
+<script> <!-- </script> --> </script>x
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,37): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <script>
+|       " <!-- "
+|     " "
+|   <body>
+|     "--> x"
+
+#data
+<title> <!-- </title> --> </title>x
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,34): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|       " <!-- "
+|     " "
+|   <body>
+|     "--> x"
+
+#data
+<textarea> <!--- </textarea>->x</textarea> --> </textarea>x
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,42): unexpected-end-tag
+(1,58): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <textarea>
+|       " <!--- "
+|     "->x --> x"
+
+#data
+<style> <!</-- </style>x
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <style>
+|       " <!</-- "
+|   <body>
+|     "x"
+
+#data
+<p><xmp></xmp>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|     <xmp>
+
+#data
+<xmp> <!-- > --> </xmp>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <xmp>
+|       " <!-- > --> "
+
+#data
+<title>&amp;</title>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|       "&"
+|   <body>
+
+#data
+<title><!--&amp;--></title>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|       "<!--&-->"
+|   <body>
+
+#data
+<title><!--</title>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|     <title>
+|       "<!--"
+|   <body>
+
+#data
+<noscript><!--</noscript>--></noscript>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,39): unexpected-end-tag
+#script-on
+#document
+| <html>
+|   <head>
+|     <noscript>
+|       "<!--"
+|   <body>
+|     "-->"
+
+#data
+<noscript><!--</noscript>--></noscript>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#script-off
+#document
+| <html>
+|   <head>
+|     <noscript>
+|       <!-- </noscript> -->
+|   <body>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests6.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests6.dat
new file mode 100644
index 000000000..d774fc234
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests6.dat
@@ -0,0 +1,659 @@
+#data
+<!doctype html></head> <head>
+#errors
+(1,29): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   " "
+|   <body>
+
+#data
+<!doctype html><form><div></form><div>
+#errors
+(1,33): end-tag-too-early-ignored
+(1,38): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <form>
+|       <div>
+|         <div>
+
+#data
+<!doctype html><title>&amp;</title>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "&"
+|   <body>
+
+#data
+<!doctype html><title><!--&amp;--></title>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "<!--&-->"
+|   <body>
+
+#data
+<!doctype>
+#errors
+(1,9): need-space-after-doctype
+(1,10): expected-doctype-name-but-got-right-bracket
+(1,10): unknown-doctype
+#document
+| <!DOCTYPE >
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!---x
+#errors
+(1,6): eof-in-comment
+(1,6): expected-doctype-but-got-eof
+#document
+| <!-- -x -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<body>
+<div>
+#errors
+(1,6): unexpected-start-tag
+(2,5): expected-closing-tag-but-got-eof
+#document-fragment
+div
+#document
+| "
+"
+| <div>
+
+#data
+<frameset></frameset>
+foo
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(2,1): unexpected-char-after-frameset
+(2,2): unexpected-char-after-frameset
+(2,3): unexpected-char-after-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
+|   "
+"
+
+#data
+<frameset></frameset>
+<noframes>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(2,10): expected-named-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <frameset>
+|   "
+"
+|   <noframes>
+
+#data
+<frameset></frameset>
+<div>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(2,5): unexpected-start-tag-after-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
+|   "
+"
+
+#data
+<frameset></frameset>
+</html>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+|   "
+"
+
+#data
+<frameset></frameset>
+</div>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(2,6): unexpected-end-tag-after-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
+|   "
+"
+
+#data
+<form><form>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,12): unexpected-start-tag
+(1,12): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <form>
+
+#data
+<button><button>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,16): unexpected-start-tag-implies-end-tag
+(1,16): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <button>
+|     <button>
+
+#data
+<table><tr><td></th>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,20): unexpected-end-tag
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<table><caption><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,20): unexpected-cell-in-table-body
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<table><caption><div>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <div>
+
+#data
+</caption><div>
+#errors
+(1,10): XXX-undefined-error
+(1,15): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <div>
+
+#data
+<table><caption><div></caption>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,31): expected-one-end-tag-but-got-another
+(1,31): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <div>
+
+#data
+<table><caption></table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+
+#data
+</table><div>
+#errors
+(1,8): unexpected-end-tag
+(1,13): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <div>
+
+#data
+<table><caption></body></col></colgroup></html></tbody></td></tfoot></th></thead></tr>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,23): unexpected-end-tag
+(1,29): unexpected-end-tag
+(1,40): unexpected-end-tag
+(1,47): unexpected-end-tag
+(1,55): unexpected-end-tag
+(1,60): unexpected-end-tag
+(1,68): unexpected-end-tag
+(1,73): unexpected-end-tag
+(1,81): unexpected-end-tag
+(1,86): unexpected-end-tag
+(1,86): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+
+#data
+<table><caption><div></div>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,27): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <div>
+
+#data
+<table><tr><td></body></caption></col></colgroup></html>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,22): unexpected-end-tag
+(1,32): unexpected-end-tag
+(1,38): unexpected-end-tag
+(1,49): unexpected-end-tag
+(1,56): unexpected-end-tag
+(1,56): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+</table></tbody></tfoot></thead></tr><div>
+#errors
+(1,8): unexpected-end-tag
+(1,16): unexpected-end-tag
+(1,24): unexpected-end-tag
+(1,32): unexpected-end-tag
+(1,37): unexpected-end-tag
+(1,42): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <div>
+
+#data
+<table><colgroup>foo
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,18): foster-parenting-character-in-table
+(1,19): foster-parenting-character-in-table
+(1,20): foster-parenting-character-in-table
+(1,20): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     "foo"
+|     <table>
+|       <colgroup>
+
+#data
+foo<col>
+#errors
+(1,1): unexpected-character-in-colgroup
+(1,2): unexpected-character-in-colgroup
+(1,3): unexpected-character-in-colgroup
+#document-fragment
+colgroup
+#document
+| <col>
+
+#data
+<table><colgroup></col>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,23): no-end-tag
+(1,23): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <colgroup>
+
+#data
+<frameset><div>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,15): unexpected-start-tag-in-frameset
+(1,15): eof-in-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+</frameset><frame>
+#errors
+(1,11): unexpected-frameset-in-frameset-innerhtml
+#document-fragment
+frameset
+#document
+| <frame>
+
+#data
+<frameset></div>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+(1,16): unexpected-end-tag-in-frameset
+(1,16): eof-in-frameset
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+</body><div>
+#errors
+(1,7): unexpected-close-tag
+(1,12): expected-closing-tag-but-got-eof
+#document-fragment
+body
+#document
+| <div>
+
+#data
+<table><tr><div>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,16): unexpected-start-tag-implies-table-voodoo
+(1,16): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+</tr><td>
+#errors
+(1,5): unexpected-end-tag
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+</tbody></tfoot></thead><td>
+#errors
+(1,8): unexpected-end-tag
+(1,16): unexpected-end-tag
+(1,24): unexpected-end-tag
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<table><tr><div><td>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,16): foster-parenting-start-tag
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<caption><col><colgroup><tbody><tfoot><thead><tr>
+#errors
+(1,9): unexpected-start-tag
+(1,14): unexpected-start-tag
+(1,24): unexpected-start-tag
+(1,31): unexpected-start-tag
+(1,38): unexpected-start-tag
+(1,45): unexpected-start-tag
+#document-fragment
+tbody
+#document
+| <tr>
+
+#data
+<table><tbody></thead>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,22): unexpected-end-tag-in-table-body
+(1,22): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+
+#data
+</table><tr>
+#errors
+(1,8): unexpected-end-tag
+#document-fragment
+tbody
+#document
+| <tr>
+
+#data
+<table><tbody></body></caption></col></colgroup></html></td></th></tr>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,21): unexpected-end-tag-in-table-body
+(1,31): unexpected-end-tag-in-table-body
+(1,37): unexpected-end-tag-in-table-body
+(1,48): unexpected-end-tag-in-table-body
+(1,55): unexpected-end-tag-in-table-body
+(1,60): unexpected-end-tag-in-table-body
+(1,65): unexpected-end-tag-in-table-body
+(1,70): unexpected-end-tag-in-table-body
+(1,70): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+
+#data
+<table><tbody></div>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,20): unexpected-end-tag-implies-table-voodoo
+(1,20): end-tag-too-early
+(1,20): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+
+#data
+<table><table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,14): unexpected-start-tag-implies-end-tag
+(1,14): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|     <table>
+
+#data
+<table></body></caption></col></colgroup></html></tbody></td></tfoot></th></thead></tr>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,14): unexpected-end-tag
+(1,24): unexpected-end-tag
+(1,30): unexpected-end-tag
+(1,41): unexpected-end-tag
+(1,48): unexpected-end-tag
+(1,56): unexpected-end-tag
+(1,61): unexpected-end-tag
+(1,69): unexpected-end-tag
+(1,74): unexpected-end-tag
+(1,82): unexpected-end-tag
+(1,87): unexpected-end-tag
+(1,87): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+
+#data
+</table><tr>
+#errors
+(1,8): unexpected-end-tag
+#document-fragment
+table
+#document
+| <tbody>
+|   <tr>
+
+#data
+<body></body></html>
+#errors
+(1,20): unexpected-end-tag-after-body-innerhtml
+#document-fragment
+html
+#document
+| <head>
+| <body>
+
+#data
+<html><frameset></frameset></html> 
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+|   " "
+
+#data
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html></html>
+#errors
+#document
+| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "">
+| <html>
+|   <head>
+|   <body>
+
+#data
+<param><frameset></frameset>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,17): unexpected-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<source><frameset></frameset>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,18): unexpected-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<track><frameset></frameset>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,17): unexpected-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+</html><frameset></frameset>
+#errors
+(1,7): expected-doctype-but-got-end-tag
+(1,17): expected-eof-but-got-start-tag
+(1,17): unexpected-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+</body><frameset></frameset>
+#errors
+(1,7): expected-doctype-but-got-end-tag
+(1,17): unexpected-start-tag-after-body
+(1,17): unexpected-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests7.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests7.dat
new file mode 100644
index 000000000..d941d3d70
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests7.dat
@@ -0,0 +1,403 @@
+#data
+<!doctype html><body><title>X</title>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <title>
+|       "X"
+
+#data
+<!doctype html><table><title>X</title></table>
+#errors
+(1,29): unexpected-start-tag-implies-table-voodoo
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <title>
+|       "X"
+|     <table>
+
+#data
+<!doctype html><head></head><title>X</title>
+#errors
+(1,35): unexpected-start-tag-out-of-my-head
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "X"
+|   <body>
+
+#data
+<!doctype html></head><title>X</title>
+#errors
+(1,29): unexpected-start-tag-out-of-my-head
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|     <title>
+|       "X"
+|   <body>
+
+#data
+<!doctype html><table><meta></table>
+#errors
+(1,28): unexpected-start-tag-implies-table-voodoo
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <meta>
+|     <table>
+
+#data
+<!doctype html><table>X<tr><td><table> <meta></table></table>
+#errors
+unexpected text in table
+(1,45): unexpected-start-tag-implies-table-voodoo
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "X"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <meta>
+|             <table>
+|               " "
+
+#data
+<!doctype html><html> <head>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!doctype html> <head>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!doctype html><table><style> <tr>x </style> </table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <style>
+|         " <tr>x "
+|       " "
+
+#data
+<!doctype html><table><TBODY><script> <tr>x </script> </table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <script>
+|           " <tr>x "
+|         " "
+
+#data
+<!doctype html><p><applet><p>X</p></applet>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <applet>
+|         <p>
+|           "X"
+
+#data
+<!doctype html><listing>
+X</listing>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <listing>
+|       "X"
+
+#data
+<!doctype html><select><input>X
+#errors
+(1,30): unexpected-input-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|     <input>
+|     "X"
+
+#data
+<!doctype html><select><select>X
+#errors
+(1,31): unexpected-select-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|     "X"
+
+#data
+<!doctype html><table><input type=hidDEN></table>
+#errors
+(1,41): unexpected-hidden-input-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <input>
+|         type="hidDEN"
+
+#data
+<!doctype html><table>X<input type=hidDEN></table>
+#errors
+(1,23): foster-parenting-character
+(1,42): unexpected-hidden-input-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "X"
+|     <table>
+|       <input>
+|         type="hidDEN"
+
+#data
+<!doctype html><table>  <input type=hidDEN></table>
+#errors
+(1,43): unexpected-hidden-input-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       "  "
+|       <input>
+|         type="hidDEN"
+
+#data
+<!doctype html><table>  <input type='hidDEN'></table>
+#errors
+(1,45): unexpected-hidden-input-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       "  "
+|       <input>
+|         type="hidDEN"
+
+#data
+<!doctype html><table><input type=" hidden"><input type=hidDEN></table>
+#errors
+(1,44): unexpected-start-tag-implies-table-voodoo
+(1,63): unexpected-hidden-input-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <input>
+|       type=" hidden"
+|     <table>
+|       <input>
+|         type="hidDEN"
+
+#data
+<!doctype html><table><select>X<tr>
+#errors
+(1,30): unexpected-start-tag-implies-table-voodoo
+(1,35): unexpected-table-element-start-tag-in-select-in-table
+(1,35): eof-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       "X"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!doctype html><select>X</select>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       "X"
+
+#data
+<!DOCTYPE hTmL><html></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+<!DOCTYPE HTML><html></html>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+
+#data
+<body>X</body></body>
+#errors
+(1,21): unexpected-end-tag-after-body
+#document-fragment
+html
+#document
+| <head>
+| <body>
+|   "X"
+
+#data
+<div><p>a</x> b
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,13): unexpected-end-tag
+(1,15): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <p>
+|         "a b"
+
+#data
+<table><tr><td><code></code> </table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <code>
+|             " "
+
+#data
+<table><b><tr><td>aaa</td></tr>bbb</table>ccc
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,10): foster-parenting-start-tag
+(1,32): foster-parenting-character
+(1,33): foster-parenting-character
+(1,34): foster-parenting-character
+(1,45): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|     <b>
+|       "bbb"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "aaa"
+|     <b>
+|       "ccc"
+
+#data
+A<table><tr> B</tr> B</table>
+#errors
+(1,1): expected-doctype-but-got-chars
+(1,13): foster-parenting-character
+(1,14): foster-parenting-character
+(1,20): foster-parenting-character
+(1,21): foster-parenting-character
+#document
+| <html>
+|   <head>
+|   <body>
+|     "A B B"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+A<table><tr> B</tr> </em>C</table>
+#errors
+(1,1): expected-doctype-but-got-chars
+(1,13): foster-parenting-character
+(1,14): foster-parenting-character
+(1,20): foster-parenting-character
+(1,25): unexpected-end-tag
+(1,26): foster-parenting-character
+#document
+| <html>
+|   <head>
+|   <body>
+|     "A BC"
+|     <table>
+|       <tbody>
+|         <tr>
+|         " "
+
+#data
+<select><keygen>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,16): unexpected-input-in-select
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|     <keygen>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests8.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests8.dat
new file mode 100644
index 000000000..33dd96d33
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests8.dat
@@ -0,0 +1,151 @@
+#data
+<div>
+<div></div>
+</span>x
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(3,7): unexpected-end-tag
+(3,8): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "
+"
+|       <div>
+|       "
+x"
+
+#data
+<div>x<div></div>
+</span>x
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(2,7): unexpected-end-tag
+(2,8): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "x"
+|       <div>
+|       "
+x"
+
+#data
+<div>x<div></div>x</span>x
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,25): unexpected-end-tag
+(1,26): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "x"
+|       <div>
+|       "xx"
+
+#data
+<div>x<div></div>y</span>z
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,25): unexpected-end-tag
+(1,26): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "x"
+|       <div>
+|       "yz"
+
+#data
+<table><div>x<div></div>x</span>x
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,12): foster-parenting-start-tag
+(1,13): foster-parenting-character
+(1,18): foster-parenting-start-tag
+(1,24): foster-parenting-end-tag
+(1,25): foster-parenting-start-tag
+(1,32): foster-parenting-end-tag
+(1,32): unexpected-end-tag
+(1,33): foster-parenting-character
+(1,33): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "x"
+|       <div>
+|       "xx"
+|     <table>
+
+#data
+x<table>x
+#errors
+(1,1): expected-doctype-but-got-chars
+(1,9): foster-parenting-character
+(1,9): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     "xx"
+|     <table>
+
+#data
+x<table><table>x
+#errors
+(1,1): expected-doctype-but-got-chars
+(1,15): unexpected-start-tag-implies-end-tag
+(1,16): foster-parenting-character
+(1,16): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     "x"
+|     <table>
+|     "x"
+|     <table>
+
+#data
+<b>a<div></div><div></b>y
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,24): adoption-agency-1.3
+(1,25): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|       "a"
+|       <div>
+|     <div>
+|       <b>
+|       "y"
+
+#data
+<a><div><p></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,15): adoption-agency-1.3
+(1,15): adoption-agency-1.3
+(1,15): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|     <div>
+|       <a>
+|       <p>
+|         <a>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests9.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests9.dat
new file mode 100644
index 000000000..f8d04b23b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests9.dat
@@ -0,0 +1,472 @@
+#data
+<!DOCTYPE html><math></math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+
+#data
+<!DOCTYPE html><body><math></math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+
+#data
+<!DOCTYPE html><math><mi>
+#errors
+(1,25) expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+
+#data
+<!DOCTYPE html><math><annotation-xml><svg><u>
+#errors
+(1,45) unexpected-html-element-in-foreign-content
+(1,45) expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math annotation-xml>
+|         <svg svg>
+|     <u>
+
+#data
+<!DOCTYPE html><body><select><math></math></select>
+#errors
+(1,35) unexpected-start-tag-in-select
+(1,42) unexpected-end-tag-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+
+#data
+<!DOCTYPE html><body><select><option><math></math></option></select>
+#errors
+(1,43) unexpected-start-tag-in-select
+(1,50) unexpected-end-tag-in-select
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+
+#data
+<!DOCTYPE html><body><table><math></math></table>
+#errors
+(1,34) unexpected-start-tag-implies-table-voodoo
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|     <table>
+
+#data
+<!DOCTYPE html><body><table><math><mi>foo</mi></math></table>
+#errors
+(1,34) foster-parenting-start-token
+(1,39) foster-parenting-character
+(1,40) foster-parenting-character
+(1,41) foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         "foo"
+|     <table>
+
+#data
+<!DOCTYPE html><body><table><math><mi>foo</mi><mi>bar</mi></math></table>
+#errors
+(1,34) foster-parenting-start-tag
+(1,39) foster-parenting-character
+(1,40) foster-parenting-character
+(1,41) foster-parenting-character
+(1,51) foster-parenting-character
+(1,52) foster-parenting-character
+(1,53) foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         "foo"
+|       <math mi>
+|         "bar"
+|     <table>
+
+#data
+<!DOCTYPE html><body><table><tbody><math><mi>foo</mi><mi>bar</mi></math></tbody></table>
+#errors
+(1,41) foster-parenting-start-tag
+(1,46) foster-parenting-character
+(1,47) foster-parenting-character
+(1,48) foster-parenting-character
+(1,58) foster-parenting-character
+(1,59) foster-parenting-character
+(1,60) foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         "foo"
+|       <math mi>
+|         "bar"
+|     <table>
+|       <tbody>
+
+#data
+<!DOCTYPE html><body><table><tbody><tr><math><mi>foo</mi><mi>bar</mi></math></tr></tbody></table>
+#errors
+(1,45) foster-parenting-start-tag
+(1,50) foster-parenting-character
+(1,51) foster-parenting-character
+(1,52) foster-parenting-character
+(1,62) foster-parenting-character
+(1,63) foster-parenting-character
+(1,64) foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         "foo"
+|       <math mi>
+|         "bar"
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<!DOCTYPE html><body><table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math></td></tr></tbody></table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <math math>
+|               <math mi>
+|                 "foo"
+|               <math mi>
+|                 "bar"
+
+#data
+<!DOCTYPE html><body><table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math><p>baz</td></tr></tbody></table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <math math>
+|               <math mi>
+|                 "foo"
+|               <math mi>
+|                 "bar"
+|             <p>
+|               "baz"
+
+#data
+<!DOCTYPE html><body><table><caption><math><mi>foo</mi><mi>bar</mi></math><p>baz</caption></table>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <math math>
+|           <math mi>
+|             "foo"
+|           <math mi>
+|             "bar"
+|         <p>
+|           "baz"
+
+#data
+<!DOCTYPE html><body><table><caption><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux
+#errors
+(1,70) unexpected-html-element-in-foreign-content
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <math math>
+|           <math mi>
+|             "foo"
+|           <math mi>
+|             "bar"
+|         <p>
+|           "baz"
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><caption><math><mi>foo</mi><mi>bar</mi>baz</table><p>quux
+#errors
+(1,78) unexpected-end-tag
+(1,78) expected-one-end-tag-but-got-another
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <caption>
+|         <math math>
+|           <math mi>
+|             "foo"
+|           <math mi>
+|             "bar"
+|           "baz"
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><colgroup><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux
+#errors
+(1,44) foster-parenting-start-tag
+(1,49) foster-parenting-character
+(1,50) foster-parenting-character
+(1,51) foster-parenting-character
+(1,61) foster-parenting-character
+(1,62) foster-parenting-character
+(1,63) foster-parenting-character
+(1,71) unexpected-html-element-in-foreign-content
+(1,71) foster-parenting-start-tag
+(1,63) foster-parenting-character
+(1,63) foster-parenting-character
+(1,63) foster-parenting-character
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         "foo"
+|       <math mi>
+|         "bar"
+|     <p>
+|       "baz"
+|     <table>
+|       <colgroup>
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><tr><td><select><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux
+#errors
+(1,50) unexpected-start-tag-in-select
+(1,54) unexpected-start-tag-in-select
+(1,62) unexpected-end-tag-in-select
+(1,66) unexpected-start-tag-in-select
+(1,74) unexpected-end-tag-in-select
+(1,77) unexpected-start-tag-in-select
+(1,88) unexpected-table-element-end-tag-in-select-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             <select>
+|               "foobarbaz"
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body><table><select><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux
+#errors
+(1,36) unexpected-start-tag-implies-table-voodoo
+(1,42) unexpected-start-tag-in-select
+(1,46) unexpected-start-tag-in-select
+(1,54) unexpected-end-tag-in-select
+(1,58) unexpected-start-tag-in-select
+(1,66) unexpected-end-tag-in-select
+(1,69) unexpected-start-tag-in-select
+(1,80) unexpected-table-element-end-tag-in-select-in-table
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       "foobarbaz"
+|     <table>
+|     <p>
+|       "quux"
+
+#data
+<!DOCTYPE html><body></body></html><math><mi>foo</mi><mi>bar</mi><p>baz
+#errors
+(1,41) expected-eof-but-got-start-tag
+(1,68) unexpected-html-element-in-foreign-content
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         "foo"
+|       <math mi>
+|         "bar"
+|     <p>
+|       "baz"
+
+#data
+<!DOCTYPE html><body></body><math><mi>foo</mi><mi>bar</mi><p>baz
+#errors
+(1,34) unexpected-start-tag-after-body
+(1,61) unexpected-html-element-in-foreign-content
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mi>
+|         "foo"
+|       <math mi>
+|         "bar"
+|     <p>
+|       "baz"
+
+#data
+<!DOCTYPE html><frameset><math><mi></mi><mi></mi><p><span>
+#errors
+(1,31) unexpected-start-tag-in-frameset
+(1,35) unexpected-start-tag-in-frameset
+(1,40) unexpected-end-tag-in-frameset
+(1,44) unexpected-start-tag-in-frameset
+(1,49) unexpected-end-tag-in-frameset
+(1,52) unexpected-start-tag-in-frameset
+(1,58) unexpected-start-tag-in-frameset
+(1,58) eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!DOCTYPE html><frameset></frameset><math><mi></mi><mi></mi><p><span>
+#errors
+(1,42) unexpected-start-tag-after-frameset
+(1,46) unexpected-start-tag-after-frameset
+(1,51) unexpected-end-tag-after-frameset
+(1,55) unexpected-start-tag-after-frameset
+(1,60) unexpected-end-tag-after-frameset
+(1,63) unexpected-start-tag-after-frameset
+(1,69) unexpected-start-tag-after-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!DOCTYPE html><body xlink:href=foo><math xlink:href=foo></math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     <math math>
+|       xlink href="foo"
+
+#data
+<!DOCTYPE html><body xlink:href=foo xml:lang=en><math><mi xml:lang=en xlink:href=foo></mi></math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     xml:lang="en"
+|     <math math>
+|       <math mi>
+|         xlink href="foo"
+|         xml lang="en"
+
+#data
+<!DOCTYPE html><body xlink:href=foo xml:lang=en><math><mi xml:lang=en xlink:href=foo /></math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     xml:lang="en"
+|     <math math>
+|       <math mi>
+|         xlink href="foo"
+|         xml lang="en"
+
+#data
+<!DOCTYPE html><body xlink:href=foo xml:lang=en><math><mi xml:lang=en xlink:href=foo />bar</math>
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     xlink:href="foo"
+|     xml:lang="en"
+|     <math math>
+|       <math mi>
+|         xlink href="foo"
+|         xml lang="en"
+|       "bar"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests_innerHTML_1.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests_innerHTML_1.dat
new file mode 100644
index 000000000..9c5c18220
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tests_innerHTML_1.dat
@@ -0,0 +1,891 @@
+#data
+<body><span>
+#errors
+(1,6): unexpected-start-tag
+(1,12): expected-closing-tag-but-got-eof
+#document-fragment
+body
+#document
+| <span>
+
+#data
+<span><body>
+#errors
+(1,12): unexpected-start-tag
+(1,12): expected-closing-tag-but-got-eof
+#document-fragment
+body
+#document
+| <span>
+
+#data
+<span><body>
+#errors
+(1,12): unexpected-start-tag
+(1,12): expected-closing-tag-but-got-eof
+#document-fragment
+div
+#document
+| <span>
+
+#data
+<body><span>
+#errors
+(1,12): expected-closing-tag-but-got-eof
+#document-fragment
+html
+#document
+| <head>
+| <body>
+|   <span>
+
+#data
+<frameset><span>
+#errors
+(1,10): unexpected-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document-fragment
+body
+#document
+| <span>
+
+#data
+<span><frameset>
+#errors
+(1,16): unexpected-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document-fragment
+body
+#document
+| <span>
+
+#data
+<span><frameset>
+#errors
+(1,16): unexpected-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document-fragment
+div
+#document
+| <span>
+
+#data
+<frameset><span>
+#errors
+(1,16): unexpected-start-tag-in-frameset
+(1,16): eof-in-frameset
+#document-fragment
+html
+#document
+| <head>
+| <frameset>
+
+#data
+<table><tr>
+#errors
+(1,7): unexpected-start-tag
+#document-fragment
+table
+#document
+| <tbody>
+|   <tr>
+
+#data
+</table><tr>
+#errors
+(1,8): unexpected-end-tag
+#document-fragment
+table
+#document
+| <tbody>
+|   <tr>
+
+#data
+<a>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,3): eof-in-table
+#document-fragment
+table
+#document
+| <a>
+
+#data
+<a>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,3): eof-in-table
+#document-fragment
+table
+#document
+| <a>
+
+#data
+<a><caption>a
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,13): expected-closing-tag-but-got-eof
+#document-fragment
+table
+#document
+| <a>
+| <caption>
+|   "a"
+
+#data
+<a><colgroup><col>
+#errors
+(1,3): foster-parenting-start-token
+(1,18): expected-closing-tag-but-got-eof
+#document-fragment
+table
+#document
+| <a>
+| <colgroup>
+|   <col>
+
+#data
+<a><tbody><tr>
+#errors
+(1,3): foster-parenting-start-tag
+#document-fragment
+table
+#document
+| <a>
+| <tbody>
+|   <tr>
+
+#data
+<a><tfoot><tr>
+#errors
+(1,3): foster-parenting-start-tag
+#document-fragment
+table
+#document
+| <a>
+| <tfoot>
+|   <tr>
+
+#data
+<a><thead><tr>
+#errors
+(1,3): foster-parenting-start-tag
+#document-fragment
+table
+#document
+| <a>
+| <thead>
+|   <tr>
+
+#data
+<a><tr>
+#errors
+(1,3): foster-parenting-start-tag
+#document-fragment
+table
+#document
+| <a>
+| <tbody>
+|   <tr>
+
+#data
+<a><th>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,7): unexpected-cell-in-table-body
+#document-fragment
+table
+#document
+| <a>
+| <tbody>
+|   <tr>
+|     <th>
+
+#data
+<a><td>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,7): unexpected-cell-in-table-body
+#document-fragment
+table
+#document
+| <a>
+| <tbody>
+|   <tr>
+|     <td>
+
+#data
+<table></table><tbody>
+#errors
+(1,22): unexpected-start-tag
+#document-fragment
+caption
+#document
+| <table>
+
+#data
+</table><span>
+#errors
+(1,8): unexpected-end-tag
+(1,14): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+
+#data
+<span></table>
+#errors
+(1,14): unexpected-end-tag
+(1,14): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+
+#data
+</caption><span>
+#errors
+(1,10): XXX-undefined-error
+(1,16): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+
+#data
+<span></caption><span>
+#errors
+(1,16): XXX-undefined-error
+(1,22): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><caption><span>
+#errors
+(1,15): unexpected-start-tag
+(1,21): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><col><span>
+#errors
+(1,11): unexpected-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><colgroup><span>
+#errors
+(1,16): unexpected-start-tag
+(1,22): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><html><span>
+#errors
+(1,12): non-html-root
+(1,18): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><tbody><span>
+#errors
+(1,13): unexpected-start-tag
+(1,19): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><td><span>
+#errors
+(1,10): unexpected-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><tfoot><span>
+#errors
+(1,13): unexpected-start-tag
+(1,19): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><thead><span>
+#errors
+(1,13): unexpected-start-tag
+(1,19): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><th><span>
+#errors
+(1,10): unexpected-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span><tr><span>
+#errors
+(1,10): unexpected-start-tag
+(1,16): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+<span></table><span>
+#errors
+(1,14): unexpected-end-tag
+(1,20): expected-closing-tag-but-got-eof
+#document-fragment
+caption
+#document
+| <span>
+|   <span>
+
+#data
+</colgroup><col>
+#errors
+(1,11): XXX-undefined-error
+#document-fragment
+colgroup
+#document
+| <col>
+
+#data
+<a><col>
+#errors
+(1,3): XXX-undefined-error
+#document-fragment
+colgroup
+#document
+| <col>
+
+#data
+<caption><a>
+#errors
+(1,9): XXX-undefined-error
+(1,12): unexpected-start-tag-implies-table-voodoo
+(1,12): eof-in-table
+#document-fragment
+tbody
+#document
+| <a>
+
+#data
+<col><a>
+#errors
+(1,5): XXX-undefined-error
+(1,8): unexpected-start-tag-implies-table-voodoo
+(1,8): eof-in-table
+#document-fragment
+tbody
+#document
+| <a>
+
+#data
+<colgroup><a>
+#errors
+(1,10): XXX-undefined-error
+(1,13): unexpected-start-tag-implies-table-voodoo
+(1,13): eof-in-table
+#document-fragment
+tbody
+#document
+| <a>
+
+#data
+<tbody><a>
+#errors
+(1,7): XXX-undefined-error
+(1,10): unexpected-start-tag-implies-table-voodoo
+(1,10): eof-in-table
+#document-fragment
+tbody
+#document
+| <a>
+
+#data
+<tfoot><a>
+#errors
+(1,7): XXX-undefined-error
+(1,10): unexpected-start-tag-implies-table-voodoo
+(1,10): eof-in-table
+#document-fragment
+tbody
+#document
+| <a>
+
+#data
+<thead><a>
+#errors
+(1,7): XXX-undefined-error
+(1,10): unexpected-start-tag-implies-table-voodoo
+(1,10): eof-in-table
+#document-fragment
+tbody
+#document
+| <a>
+
+#data
+</table><a>
+#errors
+(1,8): XXX-undefined-error
+(1,11): unexpected-start-tag-implies-table-voodoo
+(1,11): eof-in-table
+#document-fragment
+tbody
+#document
+| <a>
+
+#data
+<a><tr>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+#document-fragment
+tbody
+#document
+| <a>
+| <tr>
+
+#data
+<a><td>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,7): unexpected-cell-in-table-body
+#document-fragment
+tbody
+#document
+| <a>
+| <tr>
+|   <td>
+
+#data
+<a><td>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,7): unexpected-cell-in-table-body
+#document-fragment
+tbody
+#document
+| <a>
+| <tr>
+|   <td>
+
+#data
+<a><td>
+#errors
+(1,3): unexpected-start-tag-implies-table-voodoo
+(1,7): unexpected-cell-in-table-body
+#document-fragment
+tbody
+#document
+| <a>
+| <tr>
+|   <td>
+
+#data
+<td><table><tbody><a><tr>
+#errors
+(1,4): unexpected-cell-in-table-body
+(1,21): unexpected-start-tag-implies-table-voodoo
+(1,25): eof-in-table
+#document-fragment
+tbody
+#document
+| <tr>
+|   <td>
+|     <a>
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+</tr><td>
+#errors
+(1,5): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<td><table><a><tr></tr><tr>
+#errors
+(1,14): unexpected-start-tag-implies-table-voodoo
+(1,27): eof-in-table
+#document-fragment
+tr
+#document
+| <td>
+|   <a>
+|   <table>
+|     <tbody>
+|       <tr>
+|       <tr>
+
+#data
+<caption><td>
+#errors
+(1,9): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<col><td>
+#errors
+(1,5): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<colgroup><td>
+#errors
+(1,10): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<tbody><td>
+#errors
+(1,7): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<tfoot><td>
+#errors
+(1,7): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<thead><td>
+#errors
+(1,7): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<tr><td>
+#errors
+(1,4): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+</table><td>
+#errors
+(1,8): XXX-undefined-error
+#document-fragment
+tr
+#document
+| <td>
+
+#data
+<td><table></table><td>
+#errors
+#document-fragment
+tr
+#document
+| <td>
+|   <table>
+| <td>
+
+#data
+<td><table></table><td>
+#errors
+#document-fragment
+tr
+#document
+| <td>
+|   <table>
+| <td>
+
+#data
+<caption><a>
+#errors
+(1,9): XXX-undefined-error
+(1,12): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<col><a>
+#errors
+(1,5): XXX-undefined-error
+(1,8): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<colgroup><a>
+#errors
+(1,10): XXX-undefined-error
+(1,13): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<tbody><a>
+#errors
+(1,7): XXX-undefined-error
+(1,10): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<tfoot><a>
+#errors
+(1,7): XXX-undefined-error
+(1,10): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<th><a>
+#errors
+(1,4): XXX-undefined-error
+(1,7): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<thead><a>
+#errors
+(1,7): XXX-undefined-error
+(1,10): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<tr><a>
+#errors
+(1,4): XXX-undefined-error
+(1,7): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+</table><a>
+#errors
+(1,8): XXX-undefined-error
+(1,11): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+</tbody><a>
+#errors
+(1,8): XXX-undefined-error
+(1,11): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+</td><a>
+#errors
+(1,5): unexpected-end-tag
+(1,8): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+</tfoot><a>
+#errors
+(1,8): XXX-undefined-error
+(1,11): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+</thead><a>
+#errors
+(1,8): XXX-undefined-error
+(1,11): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+</th><a>
+#errors
+(1,5): unexpected-end-tag
+(1,8): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+</tr><a>
+#errors
+(1,5): XXX-undefined-error
+(1,8): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <a>
+
+#data
+<table><td><td>
+#errors
+(1,11): unexpected-cell-in-table-body
+(1,15): expected-closing-tag-but-got-eof
+#document-fragment
+td
+#document
+| <table>
+|   <tbody>
+|     <tr>
+|       <td>
+|       <td>
+
+#data
+</select><option>
+#errors
+(1,9): XXX-undefined-error
+(1,17): eof-in-select
+#document-fragment
+select
+#document
+| <option>
+
+#data
+<input><option>
+#errors
+(1,7): unexpected-input-in-select
+(1,15): eof-in-select
+#document-fragment
+select
+#document
+| <option>
+
+#data
+<keygen><option>
+#errors
+(1,8): unexpected-input-in-select
+(1,16): eof-in-select
+#document-fragment
+select
+#document
+| <option>
+
+#data
+<textarea><option>
+#errors
+(1,10): unexpected-input-in-select
+(1,18): eof-in-select
+#document-fragment
+select
+#document
+| <option>
+
+#data
+</html><!--abc-->
+#errors
+(1,7): unexpected-end-tag-after-body-innerhtml
+#document-fragment
+html
+#document
+| <head>
+| <body>
+| <!-- abc -->
+
+#data
+</frameset><frame>
+#errors
+(1,11): unexpected-frameset-in-frameset-innerhtml
+#document-fragment
+frameset
+#document
+| <frame>
+
+#data
+#errors
+#document-fragment
+html
+#document
+| <head>
+| <body>
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tricky01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tricky01.dat
new file mode 100644
index 000000000..753502a26
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/tricky01.dat
@@ -0,0 +1,336 @@
+#data
+<b><p>Bold </b> Not bold</p>
+Also not bold.
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,15): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <b>
+|     <p>
+|       <b>
+|         "Bold "
+|       " Not bold"
+|     "
+Also not bold."
+
+#data
+<html>
+<font color=red><i>Italic and Red<p>Italic and Red </font> Just italic.</p> Italic only.</i> Plain
+<p>I should not be red. <font color=red>Red. <i>Italic and red.</p>
+<p>Italic and red. </i> Red.</font> I should not be red.</p>
+<b>Bold <i>Bold and italic</b> Only Italic </i> Plain
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(2,58): adoption-agency-1.3
+(3,67): unexpected-end-tag
+(4,23): adoption-agency-1.3
+(4,35): adoption-agency-1.3
+(5,30): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <font>
+|       color="red"
+|       <i>
+|         "Italic and Red"
+|     <i>
+|       <p>
+|         <font>
+|           color="red"
+|           "Italic and Red "
+|         " Just italic."
+|       " Italic only."
+|     " Plain
+"
+|     <p>
+|       "I should not be red. "
+|       <font>
+|         color="red"
+|         "Red. "
+|         <i>
+|           "Italic and red."
+|     <font>
+|       color="red"
+|       <i>
+|         "
+"
+|     <p>
+|       <font>
+|         color="red"
+|         <i>
+|           "Italic and red. "
+|         " Red."
+|       " I should not be red."
+|     "
+"
+|     <b>
+|       "Bold "
+|       <i>
+|         "Bold and italic"
+|     <i>
+|       " Only Italic "
+|     " Plain"
+
+#data
+<html><body>
+<p><font size="7">First paragraph.</p>
+<p>Second paragraph.</p></font>
+<b><p><i>Bold and Italic</b> Italic</p>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(2,38): unexpected-end-tag
+(4,28): adoption-agency-1.3
+(4,28): adoption-agency-1.3
+(4,39): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     "
+"
+|     <p>
+|       <font>
+|         size="7"
+|         "First paragraph."
+|     <font>
+|       size="7"
+|       "
+"
+|       <p>
+|         "Second paragraph."
+|     "
+"
+|     <b>
+|     <p>
+|       <b>
+|         <i>
+|           "Bold and Italic"
+|       <i>
+|         " Italic"
+
+#data
+<html>
+<dl>
+<dt><b>Boo
+<dd>Goo?
+</dl>
+</html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(4,4): end-tag-too-early
+(5,5): end-tag-too-early
+(6,7): expected-one-end-tag-but-got-another
+#document
+| <html>
+|   <head>
+|   <body>
+|     <dl>
+|       "
+"
+|       <dt>
+|         <b>
+|           "Boo
+"
+|       <dd>
+|         <b>
+|           "Goo?
+"
+|     <b>
+|       "
+"
+
+#data
+<html><body>
+<label><a><div>Hello<div>World</div></a></label>  
+</body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(2,40): adoption-agency-1.3
+(2,48): unexpected-end-tag
+(3,7): expected-one-end-tag-but-got-another
+#document
+| <html>
+|   <head>
+|   <body>
+|     "
+"
+|     <label>
+|       <a>
+|       <div>
+|         <a>
+|           "Hello"
+|           <div>
+|             "World"
+|         "  
+"
+
+#data
+<table><center> <font>a</center> <img> <tr><td> </td> </tr> </table>
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,15): foster-parenting-start-tag
+(1,16): foster-parenting-character
+(1,22): foster-parenting-start-tag
+(1,23): foster-parenting-character
+(1,32): foster-parenting-end-tag
+(1,32): end-tag-too-early
+(1,33): foster-parenting-character
+(1,38): foster-parenting-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <center>
+|       " "
+|       <font>
+|         "a"
+|     <font>
+|       <img>
+|       " "
+|     <table>
+|       " "
+|       <tbody>
+|         <tr>
+|           <td>
+|             " "
+|           " "
+|         " "
+
+#data
+<table><tr><p><a><p>You should see this text.
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,14): unexpected-start-tag-implies-table-voodoo
+(1,17): unexpected-start-tag-implies-table-voodoo
+(1,20): unexpected-start-tag-implies-table-voodoo
+(1,20): closing-non-current-p-element
+(1,21): foster-parenting-character
+(1,22): foster-parenting-character
+(1,23): foster-parenting-character
+(1,24): foster-parenting-character
+(1,25): foster-parenting-character
+(1,26): foster-parenting-character
+(1,27): foster-parenting-character
+(1,28): foster-parenting-character
+(1,29): foster-parenting-character
+(1,30): foster-parenting-character
+(1,31): foster-parenting-character
+(1,32): foster-parenting-character
+(1,33): foster-parenting-character
+(1,34): foster-parenting-character
+(1,35): foster-parenting-character
+(1,36): foster-parenting-character
+(1,37): foster-parenting-character
+(1,38): foster-parenting-character
+(1,39): foster-parenting-character
+(1,40): foster-parenting-character
+(1,41): foster-parenting-character
+(1,42): foster-parenting-character
+(1,43): foster-parenting-character
+(1,44): foster-parenting-character
+(1,45): foster-parenting-character
+(1,45): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       <a>
+|     <p>
+|       <a>
+|         "You should see this text."
+|     <table>
+|       <tbody>
+|         <tr>
+
+#data
+<TABLE>
+<TR>
+<CENTER><CENTER><TD></TD></TR><TR>
+<FONT>
+<TABLE><tr></tr></TABLE>
+</P>
+<a></font><font></a>
+This page contains an insanely badly-nested tag sequence.
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(3,8): unexpected-start-tag-implies-table-voodoo
+(3,16): unexpected-start-tag-implies-table-voodoo
+(4,6): unexpected-start-tag-implies-table-voodoo
+(4,6): unexpected character token in table (the newline)
+(5,7): unexpected-start-tag-implies-end-tag
+(6,4): unexpected p end tag
+(7,10): adoption-agency-1.3
+(7,20): adoption-agency-1.3
+(8,57): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <center>
+|       <center>
+|     <font>
+|       "
+"
+|     <table>
+|       "
+"
+|       <tbody>
+|         <tr>
+|           "
+"
+|           <td>
+|         <tr>
+|           "
+"
+|     <table>
+|       <tbody>
+|         <tr>
+|     <font>
+|       "
+"
+|       <p>
+|       "
+"
+|       <a>
+|     <a>
+|       <font>
+|     <font>
+|       "
+This page contains an insanely badly-nested tag sequence."
+
+#data
+<html>
+<body>
+<b><nobr><div>This text is in a div inside a nobr</nobr>More text that should not be in the nobr, i.e., the
+nobr should have closed the div inside it implicitly. </b><pre>A pre tag outside everything else.</pre>
+</body>
+</html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(3,56): adoption-agency-1.3
+(4,58): adoption-agency-1.3
+(5,7): expected-one-end-tag-but-got-another
+#document
+| <html>
+|   <head>
+|   <body>
+|     "
+"
+|     <b>
+|       <nobr>
+|     <div>
+|       <b>
+|         <nobr>
+|           "This text is in a div inside a nobr"
+|         "More text that should not be in the nobr, i.e., the
+nobr should have closed the div inside it implicitly. "
+|       <pre>
+|         "A pre tag outside everything else."
+|       "
+
+"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/webkit01.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/webkit01.dat
new file mode 100644
index 000000000..c480accd9
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/webkit01.dat
@@ -0,0 +1,705 @@
+#data
+Test
+#errors
+(1,4): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "Test"
+
+#data
+<div></div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+
+#data
+<div>Test</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "Test"
+
+#data
+<di
+#errors
+(1,3): eof-in-tag-name
+(1,3): expected-doctype-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<div>Hello</div>
+<script>
+console.log("PASS");
+</script>
+<div>Bye</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "Hello"
+|     "
+"
+|     <script>
+|       "
+console.log("PASS");
+"
+|     "
+"
+|     <div>
+|       "Bye"
+
+#data
+<div foo="bar">Hello</div>
+#errors
+(1,15): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       foo="bar"
+|       "Hello"
+
+#data
+<div>Hello</div>
+<script>
+console.log("FOO<span>BAR</span>BAZ");
+</script>
+<div>Bye</div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       "Hello"
+|     "
+"
+|     <script>
+|       "
+console.log("FOO<span>BAR</span>BAZ");
+"
+|     "
+"
+|     <div>
+|       "Bye"
+
+#data
+<foo bar="baz"></foo><potato quack="duck"></potato>
+#errors
+(1,15): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <foo>
+|       bar="baz"
+|     <potato>
+|       quack="duck"
+
+#data
+<foo bar="baz"><potato quack="duck"></potato></foo>
+#errors
+(1,15): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <foo>
+|       bar="baz"
+|       <potato>
+|         quack="duck"
+
+#data
+<foo></foo bar="baz"><potato></potato quack="duck">
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,21): attributes-in-end-tag
+(1,51): attributes-in-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <foo>
+|     <potato>
+
+#data
+</ tttt>
+#errors
+(1,2): expected-closing-tag-but-got-char
+(1,8): expected-doctype-but-got-eof
+#document
+| <!--  tttt -->
+| <html>
+|   <head>
+|   <body>
+
+#data
+<div FOO ><img><img></div>
+#errors
+(1,10): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       foo=""
+|       <img>
+|       <img>
+
+#data
+<p>Test</p<p>Test2</p>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,13): unexpected-end-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "TestTest2"
+
+#data
+<rdar://problem/6869687>
+#errors
+(1,7): unexpected-character-after-solidus-in-tag
+(1,8): unexpected-character-after-solidus-in-tag
+(1,16): unexpected-character-after-solidus-in-tag
+(1,24): expected-doctype-but-got-start-tag
+(1,24): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <rdar:>
+|       6869687=""
+|       problem=""
+
+#data
+<A>test< /A>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,8): expected-tag-name
+(1,12): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|       "test< /A>"
+
+#data
+&lt;
+#errors
+(1,4): expected-doctype-but-got-chars
+#document
+| <html>
+|   <head>
+|   <body>
+|     "<"
+
+#data
+<body foo='bar'><body foo='baz' yo='mama'>
+#errors
+(1,16): expected-doctype-but-got-start-tag
+(1,42): unexpected-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     foo="bar"
+|     yo="mama"
+
+#data
+<body></br foo="bar"></body>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,21): attributes-in-end-tag
+(1,21): unexpected-end-tag-treated-as
+#document
+| <html>
+|   <head>
+|   <body>
+|     <br>
+
+#data
+<bdy><br foo="bar"></body>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,26): expected-one-end-tag-but-got-another
+#document
+| <html>
+|   <head>
+|   <body>
+|     <bdy>
+|       <br>
+|         foo="bar"
+
+#data
+<body></body></br foo="bar">
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,28): attributes-in-end-tag
+(1,28): unexpected-end-tag-after-body
+(1,28): unexpected-end-tag-treated-as
+#document
+| <html>
+|   <head>
+|   <body>
+|     <br>
+
+#data
+<bdy></body><br foo="bar">
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,12): expected-one-end-tag-but-got-another
+(1,26): unexpected-start-tag-after-body
+(1,26): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <bdy>
+|       <br>
+|         foo="bar"
+
+#data
+<html><body></body></html><!-- Hi there -->
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+| <!--  Hi there  -->
+
+#data
+<html><body></body></html>x<!-- Hi there -->
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,27): expected-eof-but-got-char
+#document
+| <html>
+|   <head>
+|   <body>
+|     "x"
+|     <!--  Hi there  -->
+
+#data
+<html><body></body></html>x<!-- Hi there --></html><!-- Again -->
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,27): expected-eof-but-got-char
+#document
+| <html>
+|   <head>
+|   <body>
+|     "x"
+|     <!--  Hi there  -->
+| <!--  Again  -->
+
+#data
+<html><body></body></html>x<!-- Hi there --></body></html><!-- Again -->
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,27): expected-eof-but-got-char
+#document
+| <html>
+|   <head>
+|   <body>
+|     "x"
+|     <!--  Hi there  -->
+| <!--  Again  -->
+
+#data
+<html><body><ruby><div><rp>xx</rp></div></ruby></body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,27): XXX-undefined-error
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <div>
+|         <rp>
+|           "xx"
+
+#data
+<html><body><ruby><div><rt>xx</rt></div></ruby></body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,27): XXX-undefined-error
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ruby>
+|       <div>
+|         <rt>
+|           "xx"
+
+#data
+<html><frameset><!--1--><noframes>A</noframes><!--2--></frameset><!--3--><noframes>B</noframes><!--4--></html><!--5--><noframes>C</noframes><!--6-->
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <frameset>
+|     <!-- 1 -->
+|     <noframes>
+|       "A"
+|     <!-- 2 -->
+|   <!-- 3 -->
+|   <noframes>
+|     "B"
+|   <!-- 4 -->
+|   <noframes>
+|     "C"
+| <!-- 5 -->
+| <!-- 6 -->
+
+#data
+<select><option>A<select><option>B<select><option>C<select><option>D<select><option>E<select><option>F<select><option>G<select>
+#errors
+(1,8): expected-doctype-but-got-start-tag
+(1,25): unexpected-select-in-select
+(1,59): unexpected-select-in-select
+(1,93): unexpected-select-in-select
+(1,127): unexpected-select-in-select
+(1,127): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <select>
+|       <option>
+|         "A"
+|     <option>
+|       "B"
+|       <select>
+|         <option>
+|           "C"
+|     <option>
+|       "D"
+|       <select>
+|         <option>
+|           "E"
+|     <option>
+|       "F"
+|       <select>
+|         <option>
+|           "G"
+
+#data
+<dd><dd><dt><dt><dd><li><li>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <dd>
+|     <dd>
+|     <dt>
+|     <dt>
+|     <dd>
+|       <li>
+|       <li>
+
+#data
+<div><b></div><div><nobr>a<nobr>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,14): end-tag-too-early
+(1,32): unexpected-start-tag-implies-end-tag
+(1,32): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <b>
+|     <div>
+|       <b>
+|         <nobr>
+|           "a"
+|         <nobr>
+
+#data
+<head></head>
+<body></body>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   "
+"
+|   <body>
+
+#data
+<head></head> <style></style>ddd
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,21): unexpected-start-tag-out-of-my-head
+#document
+| <html>
+|   <head>
+|     <style>
+|   " "
+|   <body>
+|     "ddd"
+
+#data
+<kbd><table></kbd><col><select><tr>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,18): unexpected-end-tag-implies-table-voodoo
+(1,18): unexpected-end-tag
+(1,31): unexpected-start-tag-implies-table-voodoo
+(1,35): unexpected-table-element-start-tag-in-select-in-table
+(1,35): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     <kbd>
+|       <select>
+|       <table>
+|         <colgroup>
+|           <col>
+|         <tbody>
+|           <tr>
+
+#data
+<kbd><table></kbd><col><select><tr></table><div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,18): unexpected-end-tag-implies-table-voodoo
+(1,18): unexpected-end-tag
+(1,31): unexpected-start-tag-implies-table-voodoo
+(1,35): unexpected-table-element-start-tag-in-select-in-table
+(1,48): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <kbd>
+|       <select>
+|       <table>
+|         <colgroup>
+|           <col>
+|         <tbody>
+|           <tr>
+|       <div>
+
+#data
+<a><li><style></style><title></title></a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,41): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|     <li>
+|       <a>
+|         <style>
+|         <title>
+
+#data
+<font></p><p><meta><title></title></font>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,10): unexpected-end-tag
+(1,41): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <font>
+|       <p>
+|     <p>
+|       <font>
+|         <meta>
+|         <title>
+
+#data
+<a><center><title></title><a>
+#errors
+(1,3): expected-doctype-but-got-start-tag
+(1,29): unexpected-start-tag-implies-end-tag
+(1,29): adoption-agency-1.3
+(1,29): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <a>
+|     <center>
+|       <a>
+|         <title>
+|       <a>
+
+#data
+<svg><title><div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg title>
+|         <div>
+
+#data
+<svg><title><rect><div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,23): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg title>
+|         <rect>
+|           <div>
+
+#data
+<svg><title><svg><div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,22): unexpected-html-element-in-foreign-content
+(1,22): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg title>
+|         <svg svg>
+|         <div>
+
+#data
+<img <="" FAIL>
+#errors
+(1,6): invalid-character-in-attribute-name
+(1,15): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <img>
+|       <=""
+|       fail=""
+
+#data
+<ul><li><div id='foo'/>A</li><li>B<div>C</div></li></ul>
+#errors
+(1,4): expected-doctype-but-got-start-tag
+(1,23): non-void-element-with-trailing-solidus
+(1,29): end-tag-too-early
+#document
+| <html>
+|   <head>
+|   <body>
+|     <ul>
+|       <li>
+|         <div>
+|           id="foo"
+|           "A"
+|       <li>
+|         "B"
+|         <div>
+|           "C"
+
+#data
+<svg><em><desc></em>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,9): unexpected-html-element-in-foreign-content
+(1,20): adoption-agency-1.3
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|     <em>
+|       <desc>
+
+#data
+<svg><tfoot></mi><td>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+(1,17): unexpected-end-tag
+(1,17): unexpected-end-tag
+(1,21): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <svg svg>
+|       <svg tfoot>
+|         <svg td>
+
+#data
+<math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <math math>
+|       <math mrow>
+|         <math mrow>
+|           <math mn>
+|             "1"
+|         <math mi>
+|           "a"
+
+#data
+<!doctype html><input type="hidden"><frameset>
+#errors
+(1,46): unexpected-start-tag
+(1,46): eof-in-frameset
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <frameset>
+
+#data
+<!doctype html><input type="button"><frameset>
+#errors
+(1,46): unexpected-start-tag
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <input>
+|       type="button"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/webkit02.dat b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/webkit02.dat
new file mode 100644
index 000000000..1ce90dfe1
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/tree-construction/webkit02.dat
@@ -0,0 +1,134 @@
+#data
+<foo bar=qux/>
+#errors
+(1,14): expected-doctype-but-got-start-tag
+(1,14): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <foo>
+|       bar="qux/"
+
+#data
+<p id="status"><noscript><strong>A</strong></noscript><span>B</span></p>
+#errors
+(1,15): expected-doctype-but-got-start-tag
+#script-on
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       id="status"
+|       <noscript>
+|         "<strong>A</strong>"
+|       <span>
+|         "B"
+
+#data
+<p id="status"><noscript><strong>A</strong></noscript><span>B</span></p>
+#errors
+(1,15): expected-doctype-but-got-start-tag
+#script-off
+#document
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       id="status"
+|       <noscript>
+|         <strong>
+|           "A"
+|       <span>
+|         "B"
+
+#data
+<div><sarcasm><div></div></sarcasm></div>
+#errors
+(1,5): expected-doctype-but-got-start-tag
+#document
+| <html>
+|   <head>
+|   <body>
+|     <div>
+|       <sarcasm>
+|         <div>
+
+#data
+<html><body><img src="" border="0" alt="><div>A</div></body></html>
+#errors
+(1,6): expected-doctype-but-got-start-tag
+(1,67): eof-in-attribute-value-double-quote
+#document
+| <html>
+|   <head>
+|   <body>
+
+#data
+<table><td></tbody>A
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,20): foster-parenting-character
+(1,20): eof-in-table
+#document
+| <html>
+|   <head>
+|   <body>
+|     "A"
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+
+#data
+<table><td></thead>A
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,19): XXX-undefined-error
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "A"
+
+#data
+<table><td></tfoot>A
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,11): unexpected-cell-in-table-body
+(1,19): XXX-undefined-error
+(1,20): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <tbody>
+|         <tr>
+|           <td>
+|             "A"
+
+#data
+<table><thead><td></tbody>A
+#errors
+(1,7): expected-doctype-but-got-start-tag
+(1,18): unexpected-cell-in-table-body
+(1,26): XXX-undefined-error
+(1,27): expected-closing-tag-but-got-eof
+#document
+| <html>
+|   <head>
+|   <body>
+|     <table>
+|       <thead>
+|         <tr>
+|           <td>
+|             "A"
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/attributes.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/attributes.test
new file mode 100755
index 000000000..2815976bf
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/attributes.test
@@ -0,0 +1,1035 @@
+{"tests": [
+
+{"description": "allowed 'class' attribute on <span>",
+"input": "<span class>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'contenteditable' attribute on <span>",
+"input": "<span contenteditable>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'contextmenu' attribute on <span>",
+"input": "<span contextmenu>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'dir' attribute on <span>",
+"input": "<span dir>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'draggable' attribute on <span>",
+"input": "<span draggable>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'id' attribute on <span>",
+"input": "<span id>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'irrelevant' attribute on <span>",
+"input": "<span irrelevant>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'lang' attribute on <span>",
+"input": "<span lang>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ref' attribute on <span>",
+"input": "<span ref>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'tabindex' attribute on <span>",
+"input": "<span tabindex>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'template' attribute on <span>",
+"input": "<span template>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'title' attribute on <span>",
+"input": "<span title>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onabort' attribute on <span>",
+"input": "<span onabort>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onbeforeunload' attribute on <span>",
+"input": "<span onbeforeunload>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onblur' attribute on <span>",
+"input": "<span onblur>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onchange' attribute on <span>",
+"input": "<span onchange>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onclick' attribute on <span>",
+"input": "<span onclick>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'oncontextmenu' attribute on <span>",
+"input": "<span oncontextmenu>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondblclick' attribute on <span>",
+"input": "<span ondblclick>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondrag' attribute on <span>",
+"input": "<span ondrag>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondragend' attribute on <span>",
+"input": "<span ondragend>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondragenter' attribute on <span>",
+"input": "<span ondragenter>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondragleave' attribute on <span>",
+"input": "<span ondragleave>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondragover' attribute on <span>",
+"input": "<span ondragover>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondragstart' attribute on <span>",
+"input": "<span ondragstart>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ondrop' attribute on <span>",
+"input": "<span ondrop>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onerror' attribute on <span>",
+"input": "<span onerror>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onfocus' attribute on <span>",
+"input": "<span onfocus>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onkeydown' attribute on <span>",
+"input": "<span onkeydown>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onkeypress' attribute on <span>",
+"input": "<span onkeypress>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onkeyup' attribute on <span>",
+"input": "<span onkeyup>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onload' attribute on <span>",
+"input": "<span onload>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onmessage' attribute on <span>",
+"input": "<span onmessage>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onmousedown' attribute on <span>",
+"input": "<span onmousedown>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onmousemove' attribute on <span>",
+"input": "<span onmousemove>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onmouseout' attribute on <span>",
+"input": "<span onmouseout>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onmouseover' attribute on <span>",
+"input": "<span onmouseover>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onmouseup' attribute on <span>",
+"input": "<span onmouseup>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onmousewheel' attribute on <span>",
+"input": "<span onmousewheel>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onresize' attribute on <span>",
+"input": "<span onresize>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onscroll' attribute on <span>",
+"input": "<span onscroll>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onselect' attribute on <span>",
+"input": "<span onselect>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onsubmit' attribute on <span>",
+"input": "<span onsubmit>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onunload' attribute on <span>",
+"input": "<span onunload>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <command>",
+"input": "<command type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'label' attribute on <command>",
+"input": "<command label>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'icon' attribute on <command>",
+"input": "<command icon>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'hidden' attribute on <command>",
+"input": "<command hidden>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <command>",
+"input": "<command disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'checked' attribute on <command>",
+"input": "<command checked>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'radiogroup' attribute on <command>",
+"input": "<command radiogroup>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'default' attribute on <command>",
+"input": "<command default>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'value' attribute on <meter>",
+"input": "<meter value>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'min' attribute on <meter>",
+"input": "<meter min>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'low' attribute on <meter>",
+"input": "<meter low>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'high' attribute on <meter>",
+"input": "<meter high>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'max' attribute on <meter>",
+"input": "<meter max>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'optimum' attribute on <meter>",
+"input": "<meter optimum>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'cite' attribute on <ins>",
+"input": "<ins cite>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'datetime' attribute on <ins>",
+"input": "<ins datetime>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'multiple' attribute on <datagrid>",
+"input": "<datagrid multiple>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <datagrid>",
+"input": "<datagrid disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'name' attribute on <meta>",
+"input": "<meta name>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'http-equiv' attribute on <meta>",
+"input": "<meta http-equiv>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'content' attribute on <meta>",
+"input": "<meta content>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'charset' attribute on <meta>",
+"input": "<meta charset>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'src' attribute on <video>",
+"input": "<video src>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'autoplay' attribute on <video>",
+"input": "<video autoplay>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'start' attribute on <video>",
+"input": "<video start>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'loopstart' attribute on <video>",
+"input": "<video loopstart>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'loopend' attribute on <video>",
+"input": "<video loopend>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'end' attribute on <video>",
+"input": "<video end>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'loopcount' attribute on <video>",
+"input": "<video loopcount>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'controls' attribute on <video>",
+"input": "<video controls>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'style' attribute on <font>",
+"input": "<font style>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'media' attribute on <style>",
+"input": "<style media>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <style>",
+"input": "<style type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'scoped' attribute on <style>",
+"input": "<style scoped>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'alt' attribute on <img>",
+"input": "<img alt>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'src' attribute on <img>",
+"input": "<img src>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'usemap' attribute on <img>",
+"input": "<img usemap>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ismap' attribute on <img>",
+"input": "<img ismap>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'height' attribute on <img>",
+"input": "<img height>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'width' attribute on <img>",
+"input": "<img width>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'alt' attribute on <area>",
+"input": "<area alt>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'coords' attribute on <area>",
+"input": "<area coords>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'shape' attribute on <area>",
+"input": "<area shape>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'href' attribute on <area>",
+"input": "<area href>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'target' attribute on <area>",
+"input": "<area target>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ping' attribute on <area>",
+"input": "<area ping>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'rel' attribute on <area>",
+"input": "<area rel>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'media' attribute on <area>",
+"input": "<area media>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'hreflang' attribute on <area>",
+"input": "<area hreflang>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <area>",
+"input": "<area type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <menu>",
+"input": "<menu type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'label' attribute on <menu>",
+"input": "<menu label>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'autosubmit' attribute on <menu>",
+"input": "<menu autosubmit>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'name' attribute on <param>",
+"input": "<param name>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'value' attribute on <param>",
+"input": "<param value>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'value' attribute on <li>",
+"input": "<li value>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'src' attribute on <source>",
+"input": "<source src>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <source>",
+"input": "<source type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'media' attribute on <source>",
+"input": "<source media>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'xmlns' attribute on <html>",
+"input": "<html xmlns>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'open' attribute on <details>",
+"input": "<details open>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'colspan' attribute on <th>",
+"input": "<th colspan>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'rowspan' attribute on <th>",
+"input": "<th rowspan>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'scope' attribute on <th>",
+"input": "<th scope>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'value' attribute on <progress>",
+"input": "<progress value>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'max' attribute on <progress>",
+"input": "<progress max>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'colspan' attribute on <td>",
+"input": "<td colspan>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'rowspan' attribute on <td>",
+"input": "<td rowspan>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'cite' attribute on <blockquote>",
+"input": "<blockquote cite>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'data' attribute on <object>",
+"input": "<object data>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <object>",
+"input": "<object type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'usemap' attribute on <object>",
+"input": "<object usemap>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'height' attribute on <object>",
+"input": "<object height>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'width' attribute on <object>",
+"input": "<object width>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'height' attribute on <canvas>",
+"input": "<canvas height>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'width' attribute on <canvas>",
+"input": "<canvas width>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'href' attribute on <base>",
+"input": "<base href>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'target' attribute on <base>",
+"input": "<base target>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'href' attribute on <link>",
+"input": "<link href>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'rel' attribute on <link>",
+"input": "<link rel>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'media' attribute on <link>",
+"input": "<link media>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'hreflang' attribute on <link>",
+"input": "<link hreflang>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <link>",
+"input": "<link type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'href' attribute on <a>",
+"input": "<a href>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'target' attribute on <a>",
+"input": "<a target>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'ping' attribute on <a>",
+"input": "<a ping>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'rel' attribute on <a>",
+"input": "<a rel>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'media' attribute on <a>",
+"input": "<a media>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'hreflang' attribute on <a>",
+"input": "<a hreflang>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <a>",
+"input": "<a type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'src' attribute on <event-source>",
+"input": "<event-source src>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'start' attribute on <ol>",
+"input": "<ol start>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'span' attribute on <colgroup>",
+"input": "<colgroup span>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'src' attribute on <script>",
+"input": "<script src>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'defer' attribute on <script>",
+"input": "<script defer>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'async' attribute on <script>",
+"input": "<script async>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <script>",
+"input": "<script type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'cite' attribute on <q>",
+"input": "<q cite>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'cite' attribute on <del>",
+"input": "<del cite>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'datetime' attribute on <del>",
+"input": "<del datetime>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'src' attribute on <iframe>",
+"input": "<iframe src>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'datetime' attribute on <time>",
+"input": "<time datetime>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'src' attribute on <audio>",
+"input": "<audio src>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'autoplay' attribute on <audio>",
+"input": "<audio autoplay>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'start' attribute on <audio>",
+"input": "<audio start>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'loopstart' attribute on <audio>",
+"input": "<audio loopstart>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'loopend' attribute on <audio>",
+"input": "<audio loopend>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'end' attribute on <audio>",
+"input": "<audio end>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'loopcount' attribute on <audio>",
+"input": "<audio loopcount>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'controls' attribute on <audio>",
+"input": "<audio controls>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'span' attribute on <col>",
+"input": "<col span>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <fieldset>",
+"input": "<fieldset disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'form' attribute on <fieldset>",
+"input": "<fieldset form>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onsubmit' attribute on <form>",
+"input": "<form onsubmit>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'name' attribute on <form>",
+"input": "<form name>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onreset' attribute on <form>",
+"input": "<form onreset>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'accept' attribute on <form>",
+"input": "<form accept>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'replace' attribute on <form>",
+"input": "<form replace>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'accept-charset' attribute on <form>",
+"input": "<form accept-charset>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'action' attribute on <form>",
+"input": "<form action>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'data' attribute on <form>",
+"input": "<form data>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'method' attribute on <form>",
+"input": "<form method>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'enctype' attribute on <form>",
+"input": "<form enctype>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'rows' attribute on <textarea>",
+"input": "<textarea rows>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'name' attribute on <textarea>",
+"input": "<textarea name>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'form' attribute on <textarea>",
+"input": "<textarea form>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'required' attribute on <textarea>",
+"input": "<textarea required>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'cols' attribute on <textarea>",
+"input": "<textarea cols>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'accept' attribute on <textarea>",
+"input": "<textarea accept>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <textarea>",
+"input": "<textarea disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'readonly' attribute on <textarea>",
+"input": "<textarea readonly>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'wrap' attribute on <textarea>",
+"input": "<textarea wrap>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'autofocus' attribute on <textarea>",
+"input": "<textarea autofocus>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'maxlength' attribute on <textarea>",
+"input": "<textarea maxlength>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'a' attribute on <datalist>",
+"input": "<datalist a>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "allowed 'd' attribute on <datalist>",
+"input": "<datalist d>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "allowed 't' attribute on <datalist>",
+"input": "<datalist t>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "allowed 'action' attribute on <button>",
+"input": "<button action>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'enctype' attribute on <button>",
+"input": "<button enctype>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'method' attribute on <button>",
+"input": "<button method>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'replace' attribute on <button>",
+"input": "<button replace>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'template' attribute on <button>",
+"input": "<button template>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'name' attribute on <button>",
+"input": "<button name>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'form' attribute on <button>",
+"input": "<button form>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'value' attribute on <button>",
+"input": "<button value>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <button>",
+"input": "<button disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'autofocus' attribute on <button>",
+"input": "<button autofocus>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'type' attribute on <button>",
+"input": "<button type>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'accesskey' attribute on <label>",
+"input": "<label accesskey>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'form' attribute on <label>",
+"input": "<label form>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'for' attribute on <label>",
+"input": "<label for>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <optgroup>",
+"input": "<optgroup disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'label' attribute on <optgroup>",
+"input": "<optgroup label>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onforminput' attribute on <output>",
+"input": "<output onforminput>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'onformchange' attribute on <output>",
+"input": "<output onformchange>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'name' attribute on <output>",
+"input": "<output name>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'form' attribute on <output>",
+"input": "<output form>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'for' attribute on <output>",
+"input": "<output for>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'multiple' attribute on <select>",
+"input": "<select multiple>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'name' attribute on <select>",
+"input": "<select name>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'form' attribute on <select>",
+"input": "<select form>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'accesskey' attribute on <select>",
+"input": "<select accesskey>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <select>",
+"input": "<select disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'autofocus' attribute on <select>",
+"input": "<select autofocus>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'data' attribute on <select>",
+"input": "<select data>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'size' attribute on <select>",
+"input": "<select size>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'selected' attribute on <option>",
+"input": "<option selected>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'value' attribute on <option>",
+"input": "<option value>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'label' attribute on <option>",
+"input": "<option label>",
+"fail-if": "unknown-attribute"},
+
+{"description": "allowed 'disabled' attribute on <option>",
+"input": "<option disabled>",
+"fail-if": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <command>",
+"input": "<command foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <meter>",
+"input": "<meter foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <ins>",
+"input": "<ins foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <datagrid>",
+"input": "<datagrid foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <meta>",
+"input": "<meta foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <video>",
+"input": "<video foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <font>",
+"input": "<font foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <style>",
+"input": "<style foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <img>",
+"input": "<img foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <area>",
+"input": "<area foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <menu>",
+"input": "<menu foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <param>",
+"input": "<param foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <li>",
+"input": "<li foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <source>",
+"input": "<source foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <html>",
+"input": "<html foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <details>",
+"input": "<details foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <th>",
+"input": "<th foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <progress>",
+"input": "<progress foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <td>",
+"input": "<td foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <blockquote>",
+"input": "<blockquote foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <object>",
+"input": "<object foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <canvas>",
+"input": "<canvas foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <base>",
+"input": "<base foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <link>",
+"input": "<link foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <a>",
+"input": "<a foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <event-source>",
+"input": "<event-source foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <ol>",
+"input": "<ol foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <colgroup>",
+"input": "<colgroup foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <script>",
+"input": "<script foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <q>",
+"input": "<q foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <del>",
+"input": "<del foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <iframe>",
+"input": "<iframe foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <time>",
+"input": "<time foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <audio>",
+"input": "<audio foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <col>",
+"input": "<col foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "missing required 'href' attribute on <link>",
+"input": "<link rel>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'rel' attribute on <link>",
+"input": "<link href>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'dir' attribute on <bdo>",
+"input": "<bdo>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'src' attribute on <img>",
+"input": "<img>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'src' attribute on <embed>",
+"input": "<embed>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'name' attribute on <param>",
+"input": "<param value>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'value' attribute on <param>",
+"input": "<param name>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'src' attribute on <source>",
+"input": "<source>",
+"fail-unless": "missing-required-attribute"},
+
+{"description": "missing required 'id' attribute on <map>",
+"input": "<map>",
+"fail-unless": "missing-required-attribute"}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/base-href-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/base-href-attribute.test
new file mode 100755
index 000000000..83a626a79
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/base-href-attribute.test
@@ -0,0 +1,787 @@
+{"tests": [
+
+{"description": "base href contains invalid URI due to leading space",
+"input": "<base href=' http://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to trailing space",
+"input": "<base href='http://www.example.com/ '",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to space in scheme",
+"input": "<base href='ht tp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to space in domain",
+"input": "<base href='http://www.example. com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to space in path",
+"input": "<base href='http://www.example.com/a b'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to space in fragment",
+"input": "<base href='http://www.example.com/a#b c'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to space in query",
+"input": "<base href='http://www.example.com/a?b c'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to leading tab",
+"input": "<base href='\thttp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to trailing tab",
+"input": "<base href='http://www.example.com/\t'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to tab in scheme",
+"input": "<base href='ht\ttp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to tab in domain",
+"input": "<base href='http://www.example.\tcom/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to tab in path",
+"input": "<base href='http://www.example.com/a\tb'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to tab in fragment",
+"input": "<base href='http://www.example.com/a#b\tc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to tab in query",
+"input": "<base href='http://www.example.com/a?b\tc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to leading LF",
+"input": "<base href='\nhttp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LF in scheme",
+"input": "<base href='ht\ntp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LF in domain",
+"input": "<base href='http://www.example.\ncom/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LF in path",
+"input": "<base href='http://www.example.com/a\nb'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LF in fragment",
+"input": "<base href='http://www.example.com/a#b\nc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LF in query",
+"input": "<base href='http://www.example.com/a?b\nc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to leading LT",
+"input": "<base href='\u000Bhttp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to trailing LT",
+"input": "<base href='http://www.example.com/\u000B'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LT in scheme",
+"input": "<base href='ht\u000Btp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LT in domain",
+"input": "<base href='http://www.example.\u000Bcom/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LT in path",
+"input": "<base href='http://www.example.com/a\u000Bb'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LT in fragment",
+"input": "<base href='http://www.example.com/a#b\u000Bc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to LT in query",
+"input": "<base href='http://www.example.com/a?b\u000Bc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to leading FF",
+"input": "<base href='\u000Chttp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to trailing FF",
+"input": "<base href='http://www.example.com/\u000C'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to FF in scheme",
+"input": "<base href='ht\u000Ctp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to FF in domain",
+"input": "<base href='http://www.example.\u000Ccom/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to FF in path",
+"input": "<base href='http://www.example.com/a\u000Cb'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to FF in fragment",
+"input": "<base href='http://www.example.com/a#b\u000Cc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to FF in query",
+"input": "<base href='http://www.example.com/a?b\u000Cc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to leading CR",
+"input": "<base href='\rhttp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to CR in scheme",
+"input": "<base href='ht\rtp://www.example.com/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to CR in domain",
+"input": "<base href='http://www.example.\rcom/'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to CR in path",
+"input": "<base href='http://www.example.com/a\rb'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to CR in fragment",
+"input": "<base href='http://www.example.com/a#b\rc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains invalid URI due to CR in query",
+"input": "<base href='http://www.example.com/a?b\rc'",
+"fail-unless": "invalid-uri-char"},
+
+{"description": "base href contains valid URI scheme 'ftp'",
+"input": "<base href='ftp://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'http'",
+"input": "<base href='http://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'gopher'",
+"input": "<base href='gopher://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'mailto'",
+"input": "<base href='mailto://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'news'",
+"input": "<base href='news://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'nntp'",
+"input": "<base href='nntp://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'telnet'",
+"input": "<base href='telnet://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'wais'",
+"input": "<base href='wais://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'file'",
+"input": "<base href='file://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'prospero'",
+"input": "<base href='prospero://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'z39.50s'",
+"input": "<base href='z39.50s://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'z39.50r'",
+"input": "<base href='z39.50r://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'cid'",
+"input": "<base href='cid://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'mid'",
+"input": "<base href='mid://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'vemmi'",
+"input": "<base href='vemmi://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'service'",
+"input": "<base href='service://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'imap'",
+"input": "<base href='imap://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'nfs'",
+"input": "<base href='nfs://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'acap'",
+"input": "<base href='acap://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'rtsp'",
+"input": "<base href='rtsp://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'tip'",
+"input": "<base href='tip://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'pop'",
+"input": "<base href='pop://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'data'",
+"input": "<base href='data://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'dav'",
+"input": "<base href='dav://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'opaquelocktoken'",
+"input": "<base href='opaquelocktoken://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'sip'",
+"input": "<base href='sip://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'sips'",
+"input": "<base href='sips://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'tel'",
+"input": "<base href='tel://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'fax'",
+"input": "<base href='fax://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'modem'",
+"input": "<base href='modem://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'ldap'",
+"input": "<base href='ldap://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'https'",
+"input": "<base href='https://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'soap.beep'",
+"input": "<base href='soap.beep://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'soap.beeps'",
+"input": "<base href='soap.beeps://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'xmlrpc.beep'",
+"input": "<base href='xmlrpc.beep://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'xmlrpc.beeps'",
+"input": "<base href='xmlrpc.beeps://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'urn'",
+"input": "<base href='urn://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'go'",
+"input": "<base href='go://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'h323'",
+"input": "<base href='h323://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'ipp'",
+"input": "<base href='ipp://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'tftp'",
+"input": "<base href='tftp://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'mupdate'",
+"input": "<base href='mupdate://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'pres'",
+"input": "<base href='pres://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'im'",
+"input": "<base href='im://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'mtqp'",
+"input": "<base href='mtqp://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'iris.beep'",
+"input": "<base href='iris.beep://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'dict'",
+"input": "<base href='dict://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'snmp'",
+"input": "<base href='snmp://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'crid'",
+"input": "<base href='crid://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'tag'",
+"input": "<base href='tag://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'dns'",
+"input": "<base href='dns://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'info'",
+"input": "<base href='info://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'javascript'",
+"input": "<base href='javascript:foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'FTP'",
+"input": "<base href='FTP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'HTTP'",
+"input": "<base href='HTTP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'GOPHER'",
+"input": "<base href='GOPHER://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'MAILTO'",
+"input": "<base href='MAILTO://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'NEWS'",
+"input": "<base href='NEWS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'NNTP'",
+"input": "<base href='NNTP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'TELNET'",
+"input": "<base href='TELNET://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'WAIS'",
+"input": "<base href='WAIS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'FILE'",
+"input": "<base href='FILE://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'PROSPERO'",
+"input": "<base href='PROSPERO://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'Z39.50S'",
+"input": "<base href='Z39.50S://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'Z39.50R'",
+"input": "<base href='Z39.50R://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'CID'",
+"input": "<base href='CID://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'MID'",
+"input": "<base href='MID://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'VEMMI'",
+"input": "<base href='VEMMI://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'SERVICE'",
+"input": "<base href='SERVICE://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'IMAP'",
+"input": "<base href='IMAP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'NFS'",
+"input": "<base href='NFS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'ACAP'",
+"input": "<base href='ACAP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'RTSP'",
+"input": "<base href='RTSP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'TIP'",
+"input": "<base href='TIP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'POP'",
+"input": "<base href='POP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'DATA'",
+"input": "<base href='DATA://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'DAV'",
+"input": "<base href='DAV://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'OPAQUELOCKTOKEN'",
+"input": "<base href='OPAQUELOCKTOKEN://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'SIP'",
+"input": "<base href='SIP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'SIPS'",
+"input": "<base href='SIPS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'TEL'",
+"input": "<base href='TEL://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'FAX'",
+"input": "<base href='FAX://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'MODEM'",
+"input": "<base href='MODEM://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'LDAP'",
+"input": "<base href='LDAP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'HTTPS'",
+"input": "<base href='HTTPS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'SOAP.BEEP'",
+"input": "<base href='SOAP.BEEP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'SOAP.BEEPS'",
+"input": "<base href='SOAP.BEEPS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'XMLRPC.BEEP'",
+"input": "<base href='XMLRPC.BEEP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'XMLRPC.BEEPS'",
+"input": "<base href='XMLRPC.BEEPS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'URN'",
+"input": "<base href='URN://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'GO'",
+"input": "<base href='GO://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'H323'",
+"input": "<base href='H323://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'IPP'",
+"input": "<base href='IPP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'TFTP'",
+"input": "<base href='TFTP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'MUPDATE'",
+"input": "<base href='MUPDATE://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'PRES'",
+"input": "<base href='PRES://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'IM'",
+"input": "<base href='IM://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'MTQP'",
+"input": "<base href='MTQP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'IRIS.BEEP'",
+"input": "<base href='IRIS.BEEP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'DICT'",
+"input": "<base href='DICT://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'SNMP'",
+"input": "<base href='SNMP://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'CRID'",
+"input": "<base href='CRID://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'TAG'",
+"input": "<base href='TAG://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'DNS'",
+"input": "<base href='DNS://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'INFO'",
+"input": "<base href='INFO://foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'JAVASCRIPT'",
+"input": "<base href='JAVASCRIPT:foo'",
+"fail-if": "invalid-scheme"},
+
+{"description": "base href contains valid URI scheme 'foo'",
+"input": "<base href='foo:bar'",
+"fail-unless": "invalid-scheme"},
+
+{"description": "base href contains valid URI 'g'",
+"input": "<base href='g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI './g'",
+"input": "<base href='./g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g/'",
+"input": "<base href='g/'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '/g'",
+"input": "<base href='/g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '//g'",
+"input": "<base href='//g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '?y'",
+"input": "<base href='?y'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g?y'",
+"input": "<base href='g?y'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '#s'",
+"input": "<base href='#s'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g#s'",
+"input": "<base href='g#s'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g?y#s'",
+"input": "<base href='g?y#s'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI ';x'",
+"input": "<base href=';x'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g;x'",
+"input": "<base href='g;x'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g;x?y#s'",
+"input": "<base href='g;x?y#s'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '.'",
+"input": "<base href='.'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI './'",
+"input": "<base href='./'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '..'",
+"input": "<base href='..'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '../'",
+"input": "<base href='../'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '../g'",
+"input": "<base href='../g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '../..'",
+"input": "<base href='../..'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '../../'",
+"input": "<base href='../../'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '../../g'",
+"input": "<base href='../../g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '../../../g'",
+"input": "<base href='../../../g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '../../../../g'",
+"input": "<base href='../../../../g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '/./g'",
+"input": "<base href='/./g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '/../g'",
+"input": "<base href='/../g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g.'",
+"input": "<base href='g.'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '.g'",
+"input": "<base href='.g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g..'",
+"input": "<base href='g..'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI '..g'",
+"input": "<base href='..g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI './../g'",
+"input": "<base href='./../g'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI './g/.'",
+"input": "<base href='./g/.'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g/./h'",
+"input": "<base href='g/./h'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g/../h'",
+"input": "<base href='g/../h'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g;x=1/./y'",
+"input": "<base href='g;x=1/./y'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g;x=1/../y'",
+"input": "<base href='g;x=1/../y'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g?y/./x'",
+"input": "<base href='g?y/./x'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g?y/../x'",
+"input": "<base href='g?y/../x'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g#s/./x'",
+"input": "<base href='g#s/./x'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'g#s/../x'",
+"input": "<base href='g#s/../x'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI './g:h'",
+"input": "<base href='./g:h'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://www.w%33.org'",
+"input": "<base href='http://www.w%33.org'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://r%C3%A4ksm%C3%B6rg%C3%A5s.josefsson.org'",
+"input": "<base href='http://r%C3%A4ksm%C3%B6rg%C3%A5s.josefsson.org'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://xn--rksmrgs-5wao1o.josefsson.org'",
+"input": "<base href='http://xn--rksmrgs-5wao1o.josefsson.org'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://%E7%B4%8D%E8%B1%86.w3.mag.keio.ac.jp'",
+"input": "<base href='http://%E7%B4%8D%E8%B1%86.w3.mag.keio.ac.jp'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://xn--99zt52a.w3.mag.keio.ac.jp'",
+"input": "<base href='http://xn--99zt52a.w3.mag.keio.ac.jp'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://www.%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.w3.mag.keio.ac.jp/'",
+"input": "<base href='http://www.%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.w3.mag.keio.ac.jp/'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://www.xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.w3.mag.keio.ac.jp/'",
+"input": "<base href='http://www.xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.w3.mag.keio.ac.jp/'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.w3.mag.keio.ac.jp/'",
+"input": "<base href='http://%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.%E3%81%BB%E3%82%93%E3%81%A8%E3%81%86%E3%81%AB%E3%81%AA%E3%81%8C%E3%81%84%E3%82%8F%E3%81%91%E3%81%AE%E3%82%8F%E3%81%8B%E3%82%89%E3%81%AA%E3%81%84%E3%81%A9%E3%82%81%E3%81%84%E3%82%93%E3%82%81%E3%81%84%E3%81%AE%E3%82%89%E3%81%B9%E3%82%8B%E3%81%BE%E3%81%A0%E3%81%AA%E3%81%8C%E3%81%8F%E3%81%97%E3%81%AA%E3%81%84%E3%81%A8%E3%81%9F%E3%82%8A%E3%81%AA%E3%81%84.w3.mag.keio.ac.jp/'",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "base href contains valid URI 'http://xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.w3.mag.keio.ac.jp/'",
+"input": "<base href='http://xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.xn--n8jaaaaai5bhf7as8fsfk3jnknefdde3fg11amb5gzdb4wi9bya3kc6lra.w3.mag.keio.ac.jp/'",
+"fail-if": "invalid-attribute-value"}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/base-target-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/base-target-attribute.test
new file mode 100755
index 000000000..6d4db20b2
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/base-target-attribute.test
@@ -0,0 +1,35 @@
+{"tests": [
+
+{"description": "valid base target attribute '_self'",
+"input": "<base target=_self>",
+"fail-if": "invalid-browsing-context"},
+
+{"description": "valid base target attribute '_parent'",
+"input": "<base target=_parent>",
+"fail-if": "invalid-browsing-context"},
+
+{"description": "valid base target attribute '_top'",
+"input": "<base target=_top>",
+"fail-if": "invalid-browsing-context"},
+
+{"description": "valid base target attribute '_blank'",
+"input": "<base target=_blank>",
+"fail-if": "invalid-browsing-context"},
+
+{"description": "valid base target attribute 'foo'",
+"input": "<base target=foo>",
+"fail-if": "invalid-browsing-context"},
+
+{"description": "base target attribute may be blank",
+"input": "<base target>",
+"fail-if": "invalid-browsing-context"},
+
+{"description": "invalid base target attribute '_'",
+"input": "<base target=_>",
+"fail-unless": "invalid-browsing-context"},
+
+{"description": "invalid base target attribute '_foo'",
+"input": "<base target=_foo>",
+"fail-unless": "invalid-browsing-context"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/blockquote-cite-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/blockquote-cite-attribute.test
new file mode 100755
index 000000000..153c6e6af
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/blockquote-cite-attribute.test
@@ -0,0 +1,7 @@
+{"tests": [
+
+{"description": "blockquote cite contains invalid URI due to space in domain",
+"input": "<blockquote cite='http://www.example. com/'",
+"fail-unless": "invalid-uri-char"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/classattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/classattribute.test
new file mode 100755
index 000000000..0fe703fcd
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/classattribute.test
@@ -0,0 +1,152 @@
+{"tests": [
+
+{"description": "valid single class attribute value",
+"input": "<span class=a>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading space",
+"input": "<span class=' a'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with trailing space",
+"input": "<span class='a '>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading and trailing space",
+"input": "<span class=' a '>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading tab",
+"input": "<span class='\ta'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with trailing tab",
+"input": "<span class='a\t'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading and trailing tab",
+"input": "<span class='\ta\t'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading LF",
+"input": "<span class='\na'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with trailing LF",
+"input": "<span class='a\n'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading and trailing LF",
+"input": "<span class='\na\n'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading LT",
+"input": "<span class='\u000Ba'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with trailing LT",
+"input": "<span class='a\u000B'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading and trailing LT",
+"input": "<span class='\u000Ba\u000B'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading FF",
+"input": "<span class='\u000Ca'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with trailing FF",
+"input": "<span class='a\u000C'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading and trailing FF",
+"input": "<span class='\u000Ca\u000C'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading CR",
+"input": "<span class='\ra'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with trailing CR",
+"input": "<span class='a\r'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid single class attribute value with leading and trailing CR",
+"input": "<span class='\ra\r'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid double class attribute value separated by space",
+"input": "<span class='a b'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid double class attribute value separated by tab",
+"input": "<span class='a\tb'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid double class attribute value separated by LF",
+"input": "<span class='a\nb'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid double class attribute value separated by LT",
+"input": "<span class='a\u000Bb'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid double class attribute value separated by FF",
+"input": "<span class='a\u000Cb'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid double class attribute value separated by CR",
+"input": "<span class='a\rb'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "invalid duplicated class attribute value separated by space",
+"input": "<span class='a a'>",
+"fail-unless": "invalid-attribute-value"},
+
+{"description": "invalid duplicated class attribute value separated by tab",
+"input": "<span class='a\ta'>",
+"fail-unless": "invalid-attribute-value"},
+
+{"description": "invalid duplicated class attribute value separated by LF",
+"input": "<span class='a\na'>",
+"fail-unless": "invalid-attribute-value"},
+
+{"description": "invalid duplicated class attribute value separated by LT",
+"input": "<span class='a\u000Ba'>",
+"fail-unless": "invalid-attribute-value"},
+
+{"description": "invalid duplicated class attribute value separated by FF",
+"input": "<span class='a\u000Ca'>",
+"fail-unless": "invalid-attribute-value"},
+
+{"description": "invalid duplicated class attribute value separated by CR",
+"input": "<span class='a\ra'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated class attribute value separated by space",
+"input": "<span class='a a'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated class attribute value separated by tab",
+"input": "<span class='a\ta'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated class attribute value separated by LF",
+"input": "<span class='a\na'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated class attribute value separated by LT",
+"input": "<span class='a\u000Ba'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated class attribute value separated by FF",
+"input": "<span class='a\u000Ca'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated class attribute value separated by CR",
+"input": "<span class='a\ra'>",
+"fail-unless": "duplicate-value-in-token-list"}
+
+]}
+
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/contenteditableattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/contenteditableattribute.test
new file mode 100755
index 000000000..b6ae1d27e
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/contenteditableattribute.test
@@ -0,0 +1,59 @@
+{"tests": [
+
+{"description": "valid contenteditable attribute value 'true'",
+"input": "<span contenteditable=true>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid contenteditable attribute value 'TRUE'",
+"input": "<span contenteditable=TRUE>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid contenteditable attribute value 'TrUe'",
+"input": "<span contenteditable=TrUe>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid contenteditable attribute value 'false'",
+"input": "<span contenteditable=false>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid contenteditable attribute value 'FALSE'",
+"input": "<span contenteditable=FALSE>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid contenteditable attribute value 'FalSe'",
+"input": "<span contenteditable=FalSe>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid contenteditable attribute value ''",
+"input": "<span contenteditable=''>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid contenteditable attribute value (not specified)",
+"input": "<span contenteditable>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "invalid contenteditable attribute value 'foo'",
+"input": "<span contenteditable=foo>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid contenteditable attribute value '0'",
+"input": "<span contenteditable=0>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid contenteditable attribute value '1'",
+"input": "<span contenteditable=1>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid contenteditable attribute value 'yes'",
+"input": "<span contenteditable=yes>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid contenteditable attribute value 'no'",
+"input": "<span contenteditable=no>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid contenteditable attribute value 'inherit'",
+"input": "<span contenteditable=inherit>",
+"fail-unless": "invalid-enumerated-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/contextmenuattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/contextmenuattribute.test
new file mode 100755
index 000000000..59e4397c9
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/contextmenuattribute.test
@@ -0,0 +1,115 @@
+{"tests": [
+
+{"description": "contextmenu points to valid ID earlier",
+"input": "<menu id=a><span contextmenu=a>",
+"fail-if": "id-does-not-exist"},
+
+{"description": "contextmenu points to valid ID later",
+"input": "<span contextmenu=a><menu id=a>",
+"fail-if": "id-does-not-exist"},
+
+{"description": "contextmenu points to non-existent ID",
+"input": "<span contextmenu=a>",
+"fail-unless": "id-does-not-exist"},
+
+{"description": "contextmenu points to ID on non-menu element",
+"input": "<span id=a><span contextmenu=a>",
+"fail-unless": "contextmenu-must-point-to-menu"},
+
+{"description": "uppercase contextmenu points to ID on non-menu element",
+"input": "<span id=a><span CONTEXTMENU=a>",
+"fail-unless": "contextmenu-must-point-to-menu"},
+
+{"description": "valid ID 'a'",
+"input": "<span contextmenu=a>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid ID '1'",
+"input": "<span contextmenu=1>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "wacky but valid ID",
+"input": "<span contextmenu='<html><head><title>a</title></head><body><p>b</p></body></html>'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "invalid blank ID",
+"input": "<span id>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "invalid blank ID with quotes",
+"input": "<span contextmenu=''>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "invalid ID because of leading space",
+"input": "<span contextmenu=' a'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing space",
+"input": "<span contextmenu='a '>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of space in value",
+"input": "<span contextmenu='a b'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading tab",
+"input": "<span contextmenu='\ta'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing tab",
+"input": "<span contextmenu='a\t'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of tab in value",
+"input": "<span contextmenu='a\tb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading LF",
+"input": "<span contextmenu='\na'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing LF",
+"input": "<span contextmenu='a\n'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of LF in value",
+"input": "<span contextmenu='a\nb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading LT",
+"input": "<span contextmenu='\u000Ba'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing LT",
+"input": "<span contextmenu='a\u000B'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of LT in value",
+"input": "<span contextmenu='a\u000Bb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading FF",
+"input": "<span contextmenu='\u000Ca'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing FF",
+"input": "<span contextmenu='a\u000C'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of FF in value",
+"input": "<span contextmenu='a\u000Cb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading CR",
+"input": "<span contextmenu='\ra'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing CR",
+"input": "<span contextmenu='a\r'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of CR in value",
+"input": "<span contextmenu='a\rb'>",
+"fail-unless": "space-in-id"}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/dirattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/dirattribute.test
new file mode 100755
index 000000000..71883dc1c
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/dirattribute.test
@@ -0,0 +1,59 @@
+{"tests": [
+
+{"description": "valid dir attribute value 'ltr'",
+"input": "<span dir=ltr>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid dir attribute value 'LTR'",
+"input": "<span dir=LTR>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid dir attribute value 'LtR'",
+"input": "<span dir=LtR>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid dir attribute value 'rtl'",
+"input": "<span dir=rtl>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid dir attribute value 'RTL'",
+"input": "<span dir=RTL>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid dir attribute value 'RtL'",
+"input": "<span dir=RtL>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "invalid dir attribute value due to leading space",
+"input": "<span dir=' ltr'>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "dir attribute value can not be blank",
+"input": "<span dir>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "dir attribute value can not be blank (with quotes)",
+"input": "<span dir=''>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "invalid dir attribute value 'left'",
+"input": "<span dir=left>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid dir attribute value 'right'",
+"input": "<span dir=right>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid dir attribute value 'lefttoright'",
+"input": "<span dir=lefttoright>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid dir attribute value 'righttoleft'",
+"input": "<span dir=righttoleft>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid dir attribute value 'inherit'",
+"input": "<span dir=inherit>",
+"fail-unless": "invalid-enumerated-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/draggableattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/draggableattribute.test
new file mode 100755
index 000000000..49e692d98
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/draggableattribute.test
@@ -0,0 +1,63 @@
+{"tests": [
+
+{"description": "valid draggable attribute value 'true'",
+"input": "<span draggable=true>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid draggable attribute value 'TRUE'",
+"input": "<span draggable=TRUE>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid draggable attribute value 'TrUe'",
+"input": "<span draggable=TrUe>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid draggable attribute value 'false'",
+"input": "<span draggable=false>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid draggable attribute value 'FALSE'",
+"input": "<span draggable=FALSE>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid draggable attribute value 'FalSe'",
+"input": "<span draggable=FalSe>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "invalid draggable attribute value ''",
+"input": "<span draggable=''>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "valid draggable attribute value (not specified)",
+"input": "<span draggable>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "invalid draggable attribute value 'foo'",
+"input": "<span draggable=foo>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid draggable attribute value '0'",
+"input": "<span draggable=0>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid draggable attribute value '1'",
+"input": "<span draggable=1>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid draggable attribute value 'yes'",
+"input": "<span draggable=yes>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid draggable attribute value 'no'",
+"input": "<span draggable=no>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid draggable attribute value 'auto'",
+"input": "<span draggable=auto>",
+"fail-unless": "invalid-enumerated-value"},
+
+{"description": "invalid draggable attribute value 'inherit'",
+"input": "<span draggable=inherit>",
+"fail-unless": "invalid-enumerated-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/html-xmlns-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/html-xmlns-attribute.test
new file mode 100755
index 000000000..2ebd19eba
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/html-xmlns-attribute.test
@@ -0,0 +1,23 @@
+{"tests": [
+
+{"description": "valid html xmlns attribute",
+"input": "<html xmlns=http://www.w3.org/1999/xhtml>",
+"fail-if": "invalid-root-namespace"},
+
+{"description": "invalid html xmlns attribute due to leading space",
+"input": "<html xmlns=' http://www.w3.org/1999/xhtml'>",
+"fail-unless": "invalid-root-namespace"},
+
+{"description": "invalid html xmlns attribute due to trailing space",
+"input": "<html xmlns='http://www.w3.org/1999/xhtml '>",
+"fail-unless": "invalid-root-namespace"},
+
+{"description": "invalid html xmlns attribute due to uppercase",
+"input": "<html xmlns=HTTP://WWW.W3.ORG/1999/XHTML>",
+"fail-unless": "invalid-root-namespace"},
+
+{"description": "invalid xmlns attribute on non-html element",
+"input": "<body xmlns=http://www.w3.org/1999/xhtml>",
+"fail-unless": "unknown-attribute"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/idattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/idattribute.test
new file mode 100755
index 000000000..4058d5219
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/idattribute.test
@@ -0,0 +1,115 @@
+{"tests": [
+
+{"description": "valid ID 'a'",
+"input": "<span id=a>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid ID '1'",
+"input": "<span id=1>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "wacky but valid ID",
+"input": "<span id='<html><head><title>a</title></head><body><p>b</p></body></html>'>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "invalid blank ID",
+"input": "<span id>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "invalid blank ID with quotes",
+"input": "<span id=''>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "invalid ID because of leading space",
+"input": "<span id=' a'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing space",
+"input": "<span id='a '>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of space in value",
+"input": "<span id='a b'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading tab",
+"input": "<span id='\ta'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing tab",
+"input": "<span id='a\t'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of tab in value",
+"input": "<span id='a\tb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading LF",
+"input": "<span id='\na'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing LF",
+"input": "<span id='a\n'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of LF in value",
+"input": "<span id='a\nb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading LT",
+"input": "<span id='\u000Ba'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing LT",
+"input": "<span id='a\u000B'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of LT in value",
+"input": "<span id='a\u000Bb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading FF",
+"input": "<span id='\u000Ca'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing FF",
+"input": "<span id='a\u000C'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of FF in value",
+"input": "<span id='a\u000Cb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of leading CR",
+"input": "<span id='\ra'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of trailing CR",
+"input": "<span id='a\r'>",
+"fail-unless": "space-in-id"},
+
+{"description": "invalid ID because of CR in value",
+"input": "<span id='a\rb'>",
+"fail-unless": "space-in-id"},
+
+{"description": "duplicate ID values",
+"input": "<span id=a><span id=a>",
+"fail-unless": "duplicate-id"},
+
+{"description": "duplicate ID values with spaces (weird but true)",
+"input": "<span id='a '><span id='a '>",
+"fail-unless": "duplicate-id"},
+
+{"description": "not duplicate ID values because spaces don't match",
+"input": "<span id=a><span id='a '>",
+"fail-if": "duplicate-id"},
+
+{"description": "not duplicate ID values because spaces don't match",
+"input": "<span id=' a'><span id='a '>",
+"fail-if": "duplicate-id"},
+
+{"description": "not duplicate ID values because case doesn't match",
+"input": "<span id=a><span id=A>",
+"fail-if": "duplicate-id"}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/inputattributes.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/inputattributes.test
new file mode 100755
index 000000000..acdc50e7b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/inputattributes.test
@@ -0,0 +1,2795 @@
+{"tests": [
+
+{"description": "'size' attribute deprecated on <input type='text'>",
+"input": "<input type=text size>",
+"fail-unless": "deprecated-attribute"},
+
+{"description": "'size' attribute deprecated on <input type='password'>",
+"input": "<input type=password size>",
+"fail-unless": "deprecated-attribute"},
+
+{"description": "allowed 'accesskey' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'checked' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox checked>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='checkbox'>",
+"input": "<input type=checkbox action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='text'>",
+"input": "<input type=text accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='text'>",
+"input": "<input type=text accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='text'>",
+"input": "<input type=text replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='text'>",
+"input": "<input type=text disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='text'>",
+"input": "<input type=text alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'size' attribute on <input type='text'>",
+"input": "<input type=text size>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='text'>",
+"input": "<input type=text checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='text'>",
+"input": "<input type=text min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'pattern' attribute on <input type='text'>",
+"input": "<input type=text pattern>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='text'>",
+"input": "<input type=text readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='text'>",
+"input": "<input type=text template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='text'>",
+"input": "<input type=text autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='text'>",
+"input": "<input type=text target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='text'>",
+"input": "<input type=text method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='text'>",
+"input": "<input type=text form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='text'>",
+"input": "<input type=text max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='text'>",
+"input": "<input type=text step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='text'>",
+"input": "<input type=text enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='text'>",
+"input": "<input type=text src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='text'>",
+"input": "<input type=text name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='text'>",
+"input": "<input type=text required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='text'>",
+"input": "<input type=text list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='text'>",
+"input": "<input type=text value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='text'>",
+"input": "<input type=text autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'inputmode' attribute on <input type='text'>",
+"input": "<input type=text inputmode>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'maxlength' attribute on <input type='text'>",
+"input": "<input type=text maxlength>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='text'>",
+"input": "<input type=text action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='text'>",
+"input": "<input type=text tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='image'>",
+"input": "<input type=image accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='image'>",
+"input": "<input type=image accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'replace' attribute on <input type='image'>",
+"input": "<input type=image replace>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='image'>",
+"input": "<input type=image disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'alt' attribute on <input type='image'>",
+"input": "<input type=image alt>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='image'>",
+"input": "<input type=image size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='image'>",
+"input": "<input type=image checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='image'>",
+"input": "<input type=image min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='image'>",
+"input": "<input type=image pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='image'>",
+"input": "<input type=image readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='image'>",
+"input": "<input type=image template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='image'>",
+"input": "<input type=image autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'target' attribute on <input type='image'>",
+"input": "<input type=image target>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'method' attribute on <input type='image'>",
+"input": "<input type=image method>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='image'>",
+"input": "<input type=image form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='image'>",
+"input": "<input type=image max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='image'>",
+"input": "<input type=image step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'enctype' attribute on <input type='image'>",
+"input": "<input type=image enctype>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'src' attribute on <input type='image'>",
+"input": "<input type=image src>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='image'>",
+"input": "<input type=image name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='image'>",
+"input": "<input type=image required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='image'>",
+"input": "<input type=image list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'value' attribute not allowed on <input type='image'>",
+"input": "<input type=image value>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='image'>",
+"input": "<input type=image autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='image'>",
+"input": "<input type=image inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='image'>",
+"input": "<input type=image maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'action' attribute on <input type='image'>",
+"input": "<input type=image action>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='image'>",
+"input": "<input type=image tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='number'>",
+"input": "<input type=number accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='number'>",
+"input": "<input type=number accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='number'>",
+"input": "<input type=number replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='number'>",
+"input": "<input type=number disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='number'>",
+"input": "<input type=number alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='number'>",
+"input": "<input type=number size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='number'>",
+"input": "<input type=number checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='number'>",
+"input": "<input type=number min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='number'>",
+"input": "<input type=number pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='number'>",
+"input": "<input type=number readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='number'>",
+"input": "<input type=number template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='number'>",
+"input": "<input type=number autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='number'>",
+"input": "<input type=number target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='number'>",
+"input": "<input type=number method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='number'>",
+"input": "<input type=number form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='number'>",
+"input": "<input type=number max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='number'>",
+"input": "<input type=number step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='number'>",
+"input": "<input type=number enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='number'>",
+"input": "<input type=number src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='number'>",
+"input": "<input type=number name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='number'>",
+"input": "<input type=number required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='number'>",
+"input": "<input type=number list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='number'>",
+"input": "<input type=number value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='number'>",
+"input": "<input type=number autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='number'>",
+"input": "<input type=number inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='number'>",
+"input": "<input type=number maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='number'>",
+"input": "<input type=number action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='number'>",
+"input": "<input type=number tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='month'>",
+"input": "<input type=month accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='month'>",
+"input": "<input type=month accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='month'>",
+"input": "<input type=month replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='month'>",
+"input": "<input type=month disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='month'>",
+"input": "<input type=month alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='month'>",
+"input": "<input type=month size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='month'>",
+"input": "<input type=month checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='month'>",
+"input": "<input type=month min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='month'>",
+"input": "<input type=month pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='month'>",
+"input": "<input type=month readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='month'>",
+"input": "<input type=month template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='month'>",
+"input": "<input type=month autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='month'>",
+"input": "<input type=month target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='month'>",
+"input": "<input type=month method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='month'>",
+"input": "<input type=month form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='month'>",
+"input": "<input type=month max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='month'>",
+"input": "<input type=month step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='month'>",
+"input": "<input type=month enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='month'>",
+"input": "<input type=month src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='month'>",
+"input": "<input type=month name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='month'>",
+"input": "<input type=month required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='month'>",
+"input": "<input type=month list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='month'>",
+"input": "<input type=month value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='month'>",
+"input": "<input type=month autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='month'>",
+"input": "<input type=month inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='month'>",
+"input": "<input type=month maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='month'>",
+"input": "<input type=month action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='month'>",
+"input": "<input type=month tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='radio'>",
+"input": "<input type=radio accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='radio'>",
+"input": "<input type=radio disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'checked' attribute on <input type='radio'>",
+"input": "<input type=radio checked>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='radio'>",
+"input": "<input type=radio autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='radio'>",
+"input": "<input type=radio form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='radio'>",
+"input": "<input type=radio name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='radio'>",
+"input": "<input type=radio required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='radio'>",
+"input": "<input type=radio value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='radio'>",
+"input": "<input type=radio action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='radio'>",
+"input": "<input type=radio tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='file'>",
+"input": "<input type=file accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accept' attribute on <input type='file'>",
+"input": "<input type=file accept>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='file'>",
+"input": "<input type=file replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='file'>",
+"input": "<input type=file disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='file'>",
+"input": "<input type=file alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='file'>",
+"input": "<input type=file size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='file'>",
+"input": "<input type=file checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='file'>",
+"input": "<input type=file min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='file'>",
+"input": "<input type=file pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='file'>",
+"input": "<input type=file readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='file'>",
+"input": "<input type=file template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='file'>",
+"input": "<input type=file autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='file'>",
+"input": "<input type=file target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='file'>",
+"input": "<input type=file method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='file'>",
+"input": "<input type=file form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='file'>",
+"input": "<input type=file max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='file'>",
+"input": "<input type=file step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='file'>",
+"input": "<input type=file enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='file'>",
+"input": "<input type=file src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='file'>",
+"input": "<input type=file name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='file'>",
+"input": "<input type=file required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='file'>",
+"input": "<input type=file list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'value' attribute not allowed on <input type='file'>",
+"input": "<input type=file value>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='file'>",
+"input": "<input type=file autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='file'>",
+"input": "<input type=file inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='file'>",
+"input": "<input type=file maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='file'>",
+"input": "<input type=file action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='file'>",
+"input": "<input type=file tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='password'>",
+"input": "<input type=password accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='password'>",
+"input": "<input type=password accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='password'>",
+"input": "<input type=password replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='password'>",
+"input": "<input type=password disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='password'>",
+"input": "<input type=password alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'size' attribute on <input type='password'>",
+"input": "<input type=password size>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='password'>",
+"input": "<input type=password checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='password'>",
+"input": "<input type=password min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'pattern' attribute on <input type='password'>",
+"input": "<input type=password pattern>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='password'>",
+"input": "<input type=password readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='password'>",
+"input": "<input type=password template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='password'>",
+"input": "<input type=password autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='password'>",
+"input": "<input type=password target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='password'>",
+"input": "<input type=password method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='password'>",
+"input": "<input type=password form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='password'>",
+"input": "<input type=password max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='password'>",
+"input": "<input type=password step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='password'>",
+"input": "<input type=password enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='password'>",
+"input": "<input type=password src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='password'>",
+"input": "<input type=password name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='password'>",
+"input": "<input type=password required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='password'>",
+"input": "<input type=password list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='password'>",
+"input": "<input type=password value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='password'>",
+"input": "<input type=password autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'inputmode' attribute on <input type='password'>",
+"input": "<input type=password inputmode>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'maxlength' attribute on <input type='password'>",
+"input": "<input type=password maxlength>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='password'>",
+"input": "<input type=password action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='password'>",
+"input": "<input type=password tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='move-up'>",
+"input": "<input type=move-up accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='move-up'>",
+"input": "<input type=move-up disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='move-up'>",
+"input": "<input type=move-up autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='move-up'>",
+"input": "<input type=move-up form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='move-up'>",
+"input": "<input type=move-up name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='move-up'>",
+"input": "<input type=move-up value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='move-up'>",
+"input": "<input type=move-up action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='move-up'>",
+"input": "<input type=move-up tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='submit'>",
+"input": "<input type=submit accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'replace' attribute on <input type='submit'>",
+"input": "<input type=submit replace>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='submit'>",
+"input": "<input type=submit disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='submit'>",
+"input": "<input type=submit autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'target' attribute on <input type='submit'>",
+"input": "<input type=submit target>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'method' attribute on <input type='submit'>",
+"input": "<input type=submit method>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='submit'>",
+"input": "<input type=submit form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'enctype' attribute on <input type='submit'>",
+"input": "<input type=submit enctype>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='submit'>",
+"input": "<input type=submit name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='submit'>",
+"input": "<input type=submit value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='submit'>",
+"input": "<input type=submit maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'action' attribute on <input type='submit'>",
+"input": "<input type=submit action>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='submit'>",
+"input": "<input type=submit tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='add'>",
+"input": "<input type=add accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='add'>",
+"input": "<input type=add accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='add'>",
+"input": "<input type=add replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='add'>",
+"input": "<input type=add disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='add'>",
+"input": "<input type=add alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='add'>",
+"input": "<input type=add size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='add'>",
+"input": "<input type=add checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='add'>",
+"input": "<input type=add min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='add'>",
+"input": "<input type=add pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='add'>",
+"input": "<input type=add readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'template' attribute on <input type='add'>",
+"input": "<input type=add template>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='add'>",
+"input": "<input type=add autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='add'>",
+"input": "<input type=add target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='add'>",
+"input": "<input type=add method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='add'>",
+"input": "<input type=add form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='add'>",
+"input": "<input type=add max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='add'>",
+"input": "<input type=add step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='add'>",
+"input": "<input type=add enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='add'>",
+"input": "<input type=add src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='add'>",
+"input": "<input type=add name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='add'>",
+"input": "<input type=add required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='add'>",
+"input": "<input type=add list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='add'>",
+"input": "<input type=add value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='add'>",
+"input": "<input type=add autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='add'>",
+"input": "<input type=add inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='add'>",
+"input": "<input type=add maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='add'>",
+"input": "<input type=add action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='add'>",
+"input": "<input type=add tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accesskey' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden accesskey>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='hidden'>",
+"input": "<input type=hidden disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autofocus' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden autofocus>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='hidden'>",
+"input": "<input type=hidden form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='hidden'>",
+"input": "<input type=hidden name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='hidden'>",
+"input": "<input type=hidden value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'tabindex' attribute not allowed on <input type='hidden'>",
+"input": "<input type=hidden tabindex>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='email'>",
+"input": "<input type=email accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='email'>",
+"input": "<input type=email accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='email'>",
+"input": "<input type=email replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='email'>",
+"input": "<input type=email disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='email'>",
+"input": "<input type=email alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='email'>",
+"input": "<input type=email size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='email'>",
+"input": "<input type=email checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='email'>",
+"input": "<input type=email min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'pattern' attribute on <input type='email'>",
+"input": "<input type=email pattern>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='email'>",
+"input": "<input type=email readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='email'>",
+"input": "<input type=email template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='email'>",
+"input": "<input type=email autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='email'>",
+"input": "<input type=email target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='email'>",
+"input": "<input type=email method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='email'>",
+"input": "<input type=email form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='email'>",
+"input": "<input type=email max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='email'>",
+"input": "<input type=email step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='email'>",
+"input": "<input type=email enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='email'>",
+"input": "<input type=email src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='email'>",
+"input": "<input type=email name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='email'>",
+"input": "<input type=email required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='email'>",
+"input": "<input type=email list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='email'>",
+"input": "<input type=email value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='email'>",
+"input": "<input type=email autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'inputmode' attribute on <input type='email'>",
+"input": "<input type=email inputmode>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'maxlength' attribute on <input type='email'>",
+"input": "<input type=email maxlength>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='email'>",
+"input": "<input type=email action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='email'>",
+"input": "<input type=email tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='week'>",
+"input": "<input type=week accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='week'>",
+"input": "<input type=week accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='week'>",
+"input": "<input type=week replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='week'>",
+"input": "<input type=week disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='week'>",
+"input": "<input type=week alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='week'>",
+"input": "<input type=week size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='week'>",
+"input": "<input type=week checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='week'>",
+"input": "<input type=week min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='week'>",
+"input": "<input type=week pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='week'>",
+"input": "<input type=week readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='week'>",
+"input": "<input type=week template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='week'>",
+"input": "<input type=week autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='week'>",
+"input": "<input type=week target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='week'>",
+"input": "<input type=week method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='week'>",
+"input": "<input type=week form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='week'>",
+"input": "<input type=week max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='week'>",
+"input": "<input type=week step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='week'>",
+"input": "<input type=week enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='week'>",
+"input": "<input type=week src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='week'>",
+"input": "<input type=week name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='week'>",
+"input": "<input type=week required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='week'>",
+"input": "<input type=week list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='week'>",
+"input": "<input type=week value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='week'>",
+"input": "<input type=week autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='week'>",
+"input": "<input type=week inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='week'>",
+"input": "<input type=week maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='week'>",
+"input": "<input type=week action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='week'>",
+"input": "<input type=week tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='date'>",
+"input": "<input type=date accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='date'>",
+"input": "<input type=date accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='date'>",
+"input": "<input type=date replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='date'>",
+"input": "<input type=date disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='date'>",
+"input": "<input type=date alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='date'>",
+"input": "<input type=date size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='date'>",
+"input": "<input type=date checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='date'>",
+"input": "<input type=date min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='date'>",
+"input": "<input type=date pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='date'>",
+"input": "<input type=date readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='date'>",
+"input": "<input type=date template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='date'>",
+"input": "<input type=date autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='date'>",
+"input": "<input type=date target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='date'>",
+"input": "<input type=date method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='date'>",
+"input": "<input type=date form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='date'>",
+"input": "<input type=date max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='date'>",
+"input": "<input type=date step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='date'>",
+"input": "<input type=date enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='date'>",
+"input": "<input type=date src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='date'>",
+"input": "<input type=date name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='date'>",
+"input": "<input type=date required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='date'>",
+"input": "<input type=date list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='date'>",
+"input": "<input type=date value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='date'>",
+"input": "<input type=date autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='date'>",
+"input": "<input type=date inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='date'>",
+"input": "<input type=date maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='date'>",
+"input": "<input type=date action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='date'>",
+"input": "<input type=date tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='datetime'>",
+"input": "<input type=datetime accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='datetime'>",
+"input": "<input type=datetime disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='datetime'>",
+"input": "<input type=datetime min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='datetime'>",
+"input": "<input type=datetime readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='datetime'>",
+"input": "<input type=datetime autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='datetime'>",
+"input": "<input type=datetime form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='datetime'>",
+"input": "<input type=datetime max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='datetime'>",
+"input": "<input type=datetime step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='datetime'>",
+"input": "<input type=datetime name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='datetime'>",
+"input": "<input type=datetime required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='datetime'>",
+"input": "<input type=datetime list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='datetime'>",
+"input": "<input type=datetime value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='datetime'>",
+"input": "<input type=datetime autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='datetime'>",
+"input": "<input type=datetime action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='datetime'>",
+"input": "<input type=datetime tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='move-down'>",
+"input": "<input type=move-down accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='move-down'>",
+"input": "<input type=move-down disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='move-down'>",
+"input": "<input type=move-down autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='move-down'>",
+"input": "<input type=move-down form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='move-down'>",
+"input": "<input type=move-down name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='move-down'>",
+"input": "<input type=move-down value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='move-down'>",
+"input": "<input type=move-down action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='move-down'>",
+"input": "<input type=move-down tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='datetime-local'>",
+"input": "<input type=datetime-local action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='reset'>",
+"input": "<input type=reset accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='reset'>",
+"input": "<input type=reset disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='reset'>",
+"input": "<input type=reset autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='reset'>",
+"input": "<input type=reset form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='reset'>",
+"input": "<input type=reset name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='reset'>",
+"input": "<input type=reset value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='reset'>",
+"input": "<input type=reset action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='reset'>",
+"input": "<input type=reset tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='url'>",
+"input": "<input type=url accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='url'>",
+"input": "<input type=url accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='url'>",
+"input": "<input type=url replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='url'>",
+"input": "<input type=url disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='url'>",
+"input": "<input type=url alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='url'>",
+"input": "<input type=url size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='url'>",
+"input": "<input type=url checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='url'>",
+"input": "<input type=url min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'pattern' attribute on <input type='url'>",
+"input": "<input type=url pattern>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='url'>",
+"input": "<input type=url readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='url'>",
+"input": "<input type=url template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='url'>",
+"input": "<input type=url autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='url'>",
+"input": "<input type=url target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='url'>",
+"input": "<input type=url method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='url'>",
+"input": "<input type=url form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='url'>",
+"input": "<input type=url max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='url'>",
+"input": "<input type=url step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='url'>",
+"input": "<input type=url enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='url'>",
+"input": "<input type=url src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='url'>",
+"input": "<input type=url name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='url'>",
+"input": "<input type=url required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='url'>",
+"input": "<input type=url list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='url'>",
+"input": "<input type=url value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='url'>",
+"input": "<input type=url autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'inputmode' attribute on <input type='url'>",
+"input": "<input type=url inputmode>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'maxlength' attribute on <input type='url'>",
+"input": "<input type=url maxlength>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='url'>",
+"input": "<input type=url action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='url'>",
+"input": "<input type=url tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='button'>",
+"input": "<input type=button accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='button'>",
+"input": "<input type=button accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='button'>",
+"input": "<input type=button replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='button'>",
+"input": "<input type=button disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='button'>",
+"input": "<input type=button alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='button'>",
+"input": "<input type=button size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='button'>",
+"input": "<input type=button checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='button'>",
+"input": "<input type=button min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='button'>",
+"input": "<input type=button pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='button'>",
+"input": "<input type=button readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='button'>",
+"input": "<input type=button template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='button'>",
+"input": "<input type=button autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='button'>",
+"input": "<input type=button target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='button'>",
+"input": "<input type=button method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='button'>",
+"input": "<input type=button form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='button'>",
+"input": "<input type=button max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='button'>",
+"input": "<input type=button step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='button'>",
+"input": "<input type=button enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='button'>",
+"input": "<input type=button src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='button'>",
+"input": "<input type=button name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='button'>",
+"input": "<input type=button required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='button'>",
+"input": "<input type=button list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='button'>",
+"input": "<input type=button value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='button'>",
+"input": "<input type=button autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='button'>",
+"input": "<input type=button inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='button'>",
+"input": "<input type=button maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='button'>",
+"input": "<input type=button action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='button'>",
+"input": "<input type=button tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='remove'>",
+"input": "<input type=remove accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='remove'>",
+"input": "<input type=remove disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'min' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove min>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'readonly' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove readonly>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='remove'>",
+"input": "<input type=remove autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='remove'>",
+"input": "<input type=remove form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'max' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove max>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'step' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove step>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='remove'>",
+"input": "<input type=remove name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'required' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove required>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'list' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove list>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='remove'>",
+"input": "<input type=remove value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'autocomplete' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove autocomplete>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='remove'>",
+"input": "<input type=remove action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='remove'>",
+"input": "<input type=remove tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='range'>",
+"input": "<input type=range accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='range'>",
+"input": "<input type=range accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='range'>",
+"input": "<input type=range replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='range'>",
+"input": "<input type=range disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='range'>",
+"input": "<input type=range alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='range'>",
+"input": "<input type=range size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='range'>",
+"input": "<input type=range checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='range'>",
+"input": "<input type=range min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='range'>",
+"input": "<input type=range pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='range'>",
+"input": "<input type=range readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='range'>",
+"input": "<input type=range template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='range'>",
+"input": "<input type=range autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='range'>",
+"input": "<input type=range target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='range'>",
+"input": "<input type=range method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='range'>",
+"input": "<input type=range form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='range'>",
+"input": "<input type=range max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='range'>",
+"input": "<input type=range step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='range'>",
+"input": "<input type=range enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='range'>",
+"input": "<input type=range src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='range'>",
+"input": "<input type=range name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='range'>",
+"input": "<input type=range required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='range'>",
+"input": "<input type=range list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='range'>",
+"input": "<input type=range value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='range'>",
+"input": "<input type=range autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='range'>",
+"input": "<input type=range inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='range'>",
+"input": "<input type=range maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='range'>",
+"input": "<input type=range action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='range'>",
+"input": "<input type=range tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'accesskey' attribute on <input type='time'>",
+"input": "<input type=time accesskey>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'accept' attribute not allowed on <input type='time'>",
+"input": "<input type=time accept>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'replace' attribute not allowed on <input type='time'>",
+"input": "<input type=time replace>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'disabled' attribute on <input type='time'>",
+"input": "<input type=time disabled>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'alt' attribute not allowed on <input type='time'>",
+"input": "<input type=time alt>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'size' attribute not allowed on <input type='time'>",
+"input": "<input type=time size>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'checked' attribute not allowed on <input type='time'>",
+"input": "<input type=time checked>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'min' attribute on <input type='time'>",
+"input": "<input type=time min>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'pattern' attribute not allowed on <input type='time'>",
+"input": "<input type=time pattern>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'readonly' attribute on <input type='time'>",
+"input": "<input type=time readonly>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'template' attribute not allowed on <input type='time'>",
+"input": "<input type=time template>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autofocus' attribute on <input type='time'>",
+"input": "<input type=time autofocus>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'target' attribute not allowed on <input type='time'>",
+"input": "<input type=time target>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'method' attribute not allowed on <input type='time'>",
+"input": "<input type=time method>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'form' attribute on <input type='time'>",
+"input": "<input type=time form>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'max' attribute on <input type='time'>",
+"input": "<input type=time max>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'step' attribute on <input type='time'>",
+"input": "<input type=time step>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'enctype' attribute not allowed on <input type='time'>",
+"input": "<input type=time enctype>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'src' attribute not allowed on <input type='time'>",
+"input": "<input type=time src>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'name' attribute on <input type='time'>",
+"input": "<input type=time name>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'required' attribute on <input type='time'>",
+"input": "<input type=time required>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'list' attribute on <input type='time'>",
+"input": "<input type=time list>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'value' attribute on <input type='time'>",
+"input": "<input type=time value>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'autocomplete' attribute on <input type='time'>",
+"input": "<input type=time autocomplete>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'inputmode' attribute not allowed on <input type='time'>",
+"input": "<input type=time inputmode>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'maxlength' attribute not allowed on <input type='time'>",
+"input": "<input type=time maxlength>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "'action' attribute not allowed on <input type='time'>",
+"input": "<input type=time action>",
+"fail-unless": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "allowed 'tabindex' attribute on <input type='time'>",
+"input": "<input type=time tabindex>",
+"fail-if": "attribute-not-allowed-on-this-input-type"},
+
+{"description": "unknown 'foo' attribute on <input type='checkbox'>",
+"input": "<input type=checkbox foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='text'>",
+"input": "<input type=text foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='image'>",
+"input": "<input type=image foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='number'>",
+"input": "<input type=number foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='month'>",
+"input": "<input type=month foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='radio'>",
+"input": "<input type=radio foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='file'>",
+"input": "<input type=file foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='password'>",
+"input": "<input type=password foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='move-up'>",
+"input": "<input type=move-up foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='submit'>",
+"input": "<input type=submit foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='add'>",
+"input": "<input type=add foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='hidden'>",
+"input": "<input type=hidden foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='email'>",
+"input": "<input type=email foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='week'>",
+"input": "<input type=week foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='date'>",
+"input": "<input type=date foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='datetime'>",
+"input": "<input type=datetime foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='move-down'>",
+"input": "<input type=move-down foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='datetime-local'>",
+"input": "<input type=datetime-local foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='reset'>",
+"input": "<input type=reset foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='url'>",
+"input": "<input type=url foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='button'>",
+"input": "<input type=button foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='remove'>",
+"input": "<input type=remove foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='range'>",
+"input": "<input type=range foo>",
+"fail-unless": "unknown-attribute"},
+
+{"description": "unknown 'foo' attribute on <input type='time'>",
+"input": "<input type=time foo>",
+"fail-unless": "unknown-attribute"}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/irrelevantattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/irrelevantattribute.test
new file mode 100755
index 000000000..fa4061300
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/irrelevantattribute.test
@@ -0,0 +1,63 @@
+{"tests": [
+
+{"description": "valid irrelevant attribute value 'irrelevant'",
+"input": "<span irrelevant=irrelevant>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "valid irrelevant attribute value ''",
+"input": "<span irrelevant=''>",
+"fail-if": "invalid-attribute-value"},
+
+{"description": "invalid irrelevant attribute value due to uppercase",
+"input": "<span irrelevant=IRRELEVANT>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value due to mixed case",
+"input": "<span irrelevant=IrReLeVaNt>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value due to leading space",
+"input": "<span irrelevant=' irrelevant'>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value due to trailing space",
+"input": "<span irrelevant='irrelevant '>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value 'foo'",
+"input": "<span irrelevant=foo>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value '0'",
+"input": "<span irrelevant=0>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value '1'",
+"input": "<span irrelevant=1>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value 'yes'",
+"input": "<span irrelevant=yes>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value 'no'",
+"input": "<span irrelevant=no>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value 'true'",
+"input": "<span irrelevant=true>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value 'false'",
+"input": "<span irrelevant=false>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value 'auto'",
+"input": "<span irrelevant=auto>",
+"fail-unless": "invalid-boolean-value"},
+
+{"description": "invalid irrelevant attribute value 'inherit'",
+"input": "<span irrelevant=inherit>",
+"fail-unless": "invalid-boolean-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/langattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/langattribute.test
new file mode 100755
index 000000000..6c831a179
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/langattribute.test
@@ -0,0 +1,5579 @@
+{"tests": [
+
+{"description": "valid lang attribute 'roh'",
+"input": "<span lang=roh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gv'",
+"input": "<span lang=gv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gu'",
+"input": "<span lang=gu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'scn'",
+"input": "<span lang=scn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rom'",
+"input": "<span lang=rom>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ron'",
+"input": "<span lang=ron>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'alg'",
+"input": "<span lang=alg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oss'",
+"input": "<span lang=oss>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ale'",
+"input": "<span lang=ale>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'alb'",
+"input": "<span lang=alb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sco'",
+"input": "<span lang=sco>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'scc'",
+"input": "<span lang=scc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mni'",
+"input": "<span lang=mni>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gd'",
+"input": "<span lang=gd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'per'",
+"input": "<span lang=per>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ga'",
+"input": "<span lang=ga>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nwc'",
+"input": "<span lang=nwc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'osa'",
+"input": "<span lang=osa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gn'",
+"input": "<span lang=gn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'alt'",
+"input": "<span lang=alt>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gl'",
+"input": "<span lang=gl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'scr'",
+"input": "<span lang=scr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mwr'",
+"input": "<span lang=mwr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ty'",
+"input": "<span lang=ty>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tw'",
+"input": "<span lang=tw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tt'",
+"input": "<span lang=tt>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tr'",
+"input": "<span lang=tr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ts'",
+"input": "<span lang=ts>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tn'",
+"input": "<span lang=tn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'to'",
+"input": "<span lang=to>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tl'",
+"input": "<span lang=tl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tk'",
+"input": "<span lang=tk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'th'",
+"input": "<span lang=th>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ti'",
+"input": "<span lang=ti>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ven'",
+"input": "<span lang=ven>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tg'",
+"input": "<span lang=tg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'te'",
+"input": "<span lang=te>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uga'",
+"input": "<span lang=uga>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ta'",
+"input": "<span lang=ta>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fas'",
+"input": "<span lang=fas>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fat'",
+"input": "<span lang=fat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fan'",
+"input": "<span lang=fan>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fao'",
+"input": "<span lang=fao>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'got'",
+"input": "<span lang=got>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sme'",
+"input": "<span lang=sme>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'din'",
+"input": "<span lang=din>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hye'",
+"input": "<span lang=hye>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'guj'",
+"input": "<span lang=guj>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cmc'",
+"input": "<span lang=cmc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srd'",
+"input": "<span lang=srd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mdr'",
+"input": "<span lang=mdr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ml'",
+"input": "<span lang=ml>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'div'",
+"input": "<span lang=div>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zh'",
+"input": "<span lang=zh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tem'",
+"input": "<span lang=tem>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xho'",
+"input": "<span lang=xho>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mno'",
+"input": "<span lang=mno>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'roa'",
+"input": "<span lang=roa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'za'",
+"input": "<span lang=za>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'deu'",
+"input": "<span lang=deu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mk'",
+"input": "<span lang=mk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nbl'",
+"input": "<span lang=nbl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zu'",
+"input": "<span lang=zu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ter'",
+"input": "<span lang=ter>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tet'",
+"input": "<span lang=tet>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mnc'",
+"input": "<span lang=mnc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sun'",
+"input": "<span lang=sun>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'abk'",
+"input": "<span lang=abk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'suk'",
+"input": "<span lang=suk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kur'",
+"input": "<span lang=kur>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kum'",
+"input": "<span lang=kum>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'slo'",
+"input": "<span lang=slo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sus'",
+"input": "<span lang=sus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'new'",
+"input": "<span lang=new>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kua'",
+"input": "<span lang=kua>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sux'",
+"input": "<span lang=sux>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'den'",
+"input": "<span lang=den>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mr'",
+"input": "<span lang=mr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mul'",
+"input": "<span lang=mul>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lez'",
+"input": "<span lang=lez>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gla'",
+"input": "<span lang=gla>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bos'",
+"input": "<span lang=bos>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gle'",
+"input": "<span lang=gle>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eka'",
+"input": "<span lang=eka>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'glg'",
+"input": "<span lang=glg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'akk'",
+"input": "<span lang=akk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dra'",
+"input": "<span lang=dra>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aka'",
+"input": "<span lang=aka>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bod'",
+"input": "<span lang=bod>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'glv'",
+"input": "<span lang=glv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jrb'",
+"input": "<span lang=jrb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vie'",
+"input": "<span lang=vie>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ipk'",
+"input": "<span lang=ipk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uzb'",
+"input": "<span lang=uzb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sgn'",
+"input": "<span lang=sgn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sga'",
+"input": "<span lang=sga>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bre'",
+"input": "<span lang=bre>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'apa'",
+"input": "<span lang=apa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bra'",
+"input": "<span lang=bra>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aym'",
+"input": "<span lang=aym>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cha'",
+"input": "<span lang=cha>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chb'",
+"input": "<span lang=chb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'che'",
+"input": "<span lang=che>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chg'",
+"input": "<span lang=chg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chi'",
+"input": "<span lang=chi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chk'",
+"input": "<span lang=chk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aus'",
+"input": "<span lang=aus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chn'",
+"input": "<span lang=chn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cho'",
+"input": "<span lang=cho>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chp'",
+"input": "<span lang=chp>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chr'",
+"input": "<span lang=chr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chu'",
+"input": "<span lang=chu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chv'",
+"input": "<span lang=chv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chy'",
+"input": "<span lang=chy>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'msa'",
+"input": "<span lang=msa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iii'",
+"input": "<span lang=iii>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vot'",
+"input": "<span lang=vot>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mg'",
+"input": "<span lang=mg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ndo'",
+"input": "<span lang=ndo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ibo'",
+"input": "<span lang=ibo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'car'",
+"input": "<span lang=car>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mo'",
+"input": "<span lang=mo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mn'",
+"input": "<span lang=mn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mi'",
+"input": "<span lang=mi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mh'",
+"input": "<span lang=mh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cau'",
+"input": "<span lang=cau>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cat'",
+"input": "<span lang=cat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bur'",
+"input": "<span lang=bur>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mt'",
+"input": "<span lang=mt>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cai'",
+"input": "<span lang=cai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'del'",
+"input": "<span lang=del>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ms'",
+"input": "<span lang=ms>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'byn'",
+"input": "<span lang=byn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mwl'",
+"input": "<span lang=mwl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'my'",
+"input": "<span lang=my>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cad'",
+"input": "<span lang=cad>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tat'",
+"input": "<span lang=tat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nde'",
+"input": "<span lang=nde>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tam'",
+"input": "<span lang=tam>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'spa'",
+"input": "<span lang=spa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tah'",
+"input": "<span lang=tah>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tai'",
+"input": "<span lang=tai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cze'",
+"input": "<span lang=cze>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'afh'",
+"input": "<span lang=afh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eng'",
+"input": "<span lang=eng>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'afa'",
+"input": "<span lang=afa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'id'",
+"input": "<span lang=id>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nyn'",
+"input": "<span lang=nyn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nyo'",
+"input": "<span lang=nyo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gez'",
+"input": "<span lang=gez>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nya'",
+"input": "<span lang=nya>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sio'",
+"input": "<span lang=sio>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sin'",
+"input": "<span lang=sin>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'afr'",
+"input": "<span lang=afr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'map'",
+"input": "<span lang=map>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fr'",
+"input": "<span lang=fr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lao'",
+"input": "<span lang=lao>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lah'",
+"input": "<span lang=lah>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nym'",
+"input": "<span lang=nym>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sna'",
+"input": "<span lang=sna>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lad'",
+"input": "<span lang=lad>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fy'",
+"input": "<span lang=fy>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'snk'",
+"input": "<span lang=snk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fa'",
+"input": "<span lang=fa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mac'",
+"input": "<span lang=mac>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mad'",
+"input": "<span lang=mad>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ff'",
+"input": "<span lang=ff>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lat'",
+"input": "<span lang=lat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fi'",
+"input": "<span lang=fi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fj'",
+"input": "<span lang=fj>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mal'",
+"input": "<span lang=mal>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mao'",
+"input": "<span lang=mao>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fo'",
+"input": "<span lang=fo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mak'",
+"input": "<span lang=mak>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'egy'",
+"input": "<span lang=egy>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'znd'",
+"input": "<span lang=znd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ss'",
+"input": "<span lang=ss>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sr'",
+"input": "<span lang=sr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sq'",
+"input": "<span lang=sq>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sit'",
+"input": "<span lang=sit>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sw'",
+"input": "<span lang=sw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sv'",
+"input": "<span lang=sv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'su'",
+"input": "<span lang=su>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'st'",
+"input": "<span lang=st>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sk'",
+"input": "<span lang=sk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'si'",
+"input": "<span lang=si>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sh'",
+"input": "<span lang=sh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'so'",
+"input": "<span lang=so>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sn'",
+"input": "<span lang=sn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sm'",
+"input": "<span lang=sm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sl'",
+"input": "<span lang=sl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sc'",
+"input": "<span lang=sc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sa'",
+"input": "<span lang=sa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sg'",
+"input": "<span lang=sg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'se'",
+"input": "<span lang=se>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sd'",
+"input": "<span lang=sd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zen'",
+"input": "<span lang=zen>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kbd'",
+"input": "<span lang=kbd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'enm'",
+"input": "<span lang=enm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iro'",
+"input": "<span lang=iro>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vai'",
+"input": "<span lang=vai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'csb'",
+"input": "<span lang=csb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tsn'",
+"input": "<span lang=tsn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lg'",
+"input": "<span lang=lg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lb'",
+"input": "<span lang=lb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'la'",
+"input": "<span lang=la>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ln'",
+"input": "<span lang=ln>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lo'",
+"input": "<span lang=lo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'li'",
+"input": "<span lang=li>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lv'",
+"input": "<span lang=lv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lt'",
+"input": "<span lang=lt>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lu'",
+"input": "<span lang=lu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hin'",
+"input": "<span lang=hin>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fij'",
+"input": "<span lang=fij>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fin'",
+"input": "<span lang=fin>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eus'",
+"input": "<span lang=eus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yi'",
+"input": "<span lang=yi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'non'",
+"input": "<span lang=non>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ceb'",
+"input": "<span lang=ceb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yo'",
+"input": "<span lang=yo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dan'",
+"input": "<span lang=dan>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cel'",
+"input": "<span lang=cel>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bat'",
+"input": "<span lang=bat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nob'",
+"input": "<span lang=nob>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dak'",
+"input": "<span lang=dak>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ces'",
+"input": "<span lang=ces>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dar'",
+"input": "<span lang=dar>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'son'",
+"input": "<span lang=son>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'day'",
+"input": "<span lang=day>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nor'",
+"input": "<span lang=nor>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gba'",
+"input": "<span lang=gba>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ssa'",
+"input": "<span lang=ssa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hil'",
+"input": "<span lang=hil>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kpe'",
+"input": "<span lang=kpe>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'man'",
+"input": "<span lang=man>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wel'",
+"input": "<span lang=wel>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'el'",
+"input": "<span lang=el>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eo'",
+"input": "<span lang=eo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'en'",
+"input": "<span lang=en>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lam'",
+"input": "<span lang=lam>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ee'",
+"input": "<span lang=ee>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tpi'",
+"input": "<span lang=tpi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mdf'",
+"input": "<span lang=mdf>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mas'",
+"input": "<span lang=mas>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mar'",
+"input": "<span lang=mar>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eu'",
+"input": "<span lang=eu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'et'",
+"input": "<span lang=et>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'es'",
+"input": "<span lang=es>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ru'",
+"input": "<span lang=ru>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rw'",
+"input": "<span lang=rw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'goh'",
+"input": "<span lang=goh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sms'",
+"input": "<span lang=sms>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smo'",
+"input": "<span lang=smo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smn'",
+"input": "<span lang=smn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smj'",
+"input": "<span lang=smj>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smi'",
+"input": "<span lang=smi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nic'",
+"input": "<span lang=nic>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rm'",
+"input": "<span lang=rm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rn'",
+"input": "<span lang=rn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ro'",
+"input": "<span lang=ro>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dsb'",
+"input": "<span lang=dsb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sma'",
+"input": "<span lang=sma>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gor'",
+"input": "<span lang=gor>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ast'",
+"input": "<span lang=ast>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'orm'",
+"input": "<span lang=orm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'que'",
+"input": "<span lang=que>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ori'",
+"input": "<span lang=ori>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'crh'",
+"input": "<span lang=crh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'asm'",
+"input": "<span lang=asm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pus'",
+"input": "<span lang=pus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kik'",
+"input": "<span lang=kik>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ltz'",
+"input": "<span lang=ltz>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ath'",
+"input": "<span lang=ath>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wln'",
+"input": "<span lang=wln>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'isl'",
+"input": "<span lang=isl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xh'",
+"input": "<span lang=xh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mag'",
+"input": "<span lang=mag>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mai'",
+"input": "<span lang=mai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xx'",
+"input": "<span lang=xx>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mah'",
+"input": "<span lang=mah>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tel'",
+"input": "<span lang=tel>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lav'",
+"input": "<span lang=lav>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zap'",
+"input": "<span lang=zap>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yid'",
+"input": "<span lang=yid>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kok'",
+"input": "<span lang=kok>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kom'",
+"input": "<span lang=kom>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kon'",
+"input": "<span lang=kon>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ukr'",
+"input": "<span lang=ukr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ton'",
+"input": "<span lang=ton>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kos'",
+"input": "<span lang=kos>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kor'",
+"input": "<span lang=kor>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tog'",
+"input": "<span lang=tog>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hun'",
+"input": "<span lang=hun>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hup'",
+"input": "<span lang=hup>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cym'",
+"input": "<span lang=cym>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'udm'",
+"input": "<span lang=udm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bej'",
+"input": "<span lang=bej>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ben'",
+"input": "<span lang=ben>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bel'",
+"input": "<span lang=bel>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bem'",
+"input": "<span lang=bem>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tsi'",
+"input": "<span lang=tsi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aar'",
+"input": "<span lang=aar>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ber'",
+"input": "<span lang=ber>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nzi'",
+"input": "<span lang=nzi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sai'",
+"input": "<span lang=sai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ang'",
+"input": "<span lang=ang>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pra'",
+"input": "<span lang=pra>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'san'",
+"input": "<span lang=san>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bho'",
+"input": "<span lang=bho>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sal'",
+"input": "<span lang=sal>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pro'",
+"input": "<span lang=pro>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'raj'",
+"input": "<span lang=raj>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sad'",
+"input": "<span lang=sad>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'anp'",
+"input": "<span lang=anp>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rap'",
+"input": "<span lang=rap>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sas'",
+"input": "<span lang=sas>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iba'",
+"input": "<span lang=iba>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'myn'",
+"input": "<span lang=myn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'min'",
+"input": "<span lang=min>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lim'",
+"input": "<span lang=lim>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lin'",
+"input": "<span lang=lin>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nah'",
+"input": "<span lang=nah>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lit'",
+"input": "<span lang=lit>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'efi'",
+"input": "<span lang=efi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srn'",
+"input": "<span lang=srn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arn'",
+"input": "<span lang=arn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ypk'",
+"input": "<span lang=ypk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mis'",
+"input": "<span lang=mis>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kac'",
+"input": "<span lang=kac>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kab'",
+"input": "<span lang=kab>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kaa'",
+"input": "<span lang=kaa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kan'",
+"input": "<span lang=kan>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kam'",
+"input": "<span lang=kam>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kal'",
+"input": "<span lang=kal>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kas'",
+"input": "<span lang=kas>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kar'",
+"input": "<span lang=kar>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kaw'",
+"input": "<span lang=kaw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kau'",
+"input": "<span lang=kau>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kat'",
+"input": "<span lang=kat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kaz'",
+"input": "<span lang=kaz>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tyv'",
+"input": "<span lang=tyv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'awa'",
+"input": "<span lang=awa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'urd'",
+"input": "<span lang=urd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ka'",
+"input": "<span lang=ka>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'doi'",
+"input": "<span lang=doi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kg'",
+"input": "<span lang=kg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kk'",
+"input": "<span lang=kk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kj'",
+"input": "<span lang=kj>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ki'",
+"input": "<span lang=ki>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ko'",
+"input": "<span lang=ko>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kn'",
+"input": "<span lang=kn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'km'",
+"input": "<span lang=km>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kl'",
+"input": "<span lang=kl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ks'",
+"input": "<span lang=ks>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kr'",
+"input": "<span lang=kr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kw'",
+"input": "<span lang=kw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kv'",
+"input": "<span lang=kv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ku'",
+"input": "<span lang=ku>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ky'",
+"input": "<span lang=ky>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ota'",
+"input": "<span lang=ota>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kut'",
+"input": "<span lang=kut>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tkl'",
+"input": "<span lang=tkl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nld'",
+"input": "<span lang=nld>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oji'",
+"input": "<span lang=oji>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oci'",
+"input": "<span lang=oci>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ha'",
+"input": "<span lang=ha>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wol'",
+"input": "<span lang=wol>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jav'",
+"input": "<span lang=jav>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hrv'",
+"input": "<span lang=hrv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ger'",
+"input": "<span lang=ger>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mga'",
+"input": "<span lang=mga>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hit'",
+"input": "<span lang=hit>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dyu'",
+"input": "<span lang=dyu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ssw'",
+"input": "<span lang=ssw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'de'",
+"input": "<span lang=de>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'da'",
+"input": "<span lang=da>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dz'",
+"input": "<span lang=dz>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lui'",
+"input": "<span lang=lui>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dv'",
+"input": "<span lang=dv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ita'",
+"input": "<span lang=ita>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'geo'",
+"input": "<span lang=geo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'him'",
+"input": "<span lang=him>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gem'",
+"input": "<span lang=gem>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'crp'",
+"input": "<span lang=crp>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'qu'",
+"input": "<span lang=qu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bas'",
+"input": "<span lang=bas>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'baq'",
+"input": "<span lang=baq>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bad'",
+"input": "<span lang=bad>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nep'",
+"input": "<span lang=nep>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cre'",
+"input": "<span lang=cre>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ban'",
+"input": "<span lang=ban>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'x'",
+"input": "<span lang=x>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bal'",
+"input": "<span lang=bal>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bam'",
+"input": "<span lang=bam>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bak'",
+"input": "<span lang=bak>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'shn'",
+"input": "<span lang=shn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bai'",
+"input": "<span lang=bai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arp'",
+"input": "<span lang=arp>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'art'",
+"input": "<span lang=art>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arw'",
+"input": "<span lang=arw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'qtz'",
+"input": "<span lang=qtz>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ara'",
+"input": "<span lang=ara>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arc'",
+"input": "<span lang=arc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arg'",
+"input": "<span lang=arg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sem'",
+"input": "<span lang=sem>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sel'",
+"input": "<span lang=sel>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nub'",
+"input": "<span lang=nub>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arm'",
+"input": "<span lang=arm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'btk'",
+"input": "<span lang=btk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lus'",
+"input": "<span lang=lus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iku'",
+"input": "<span lang=iku>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mus'",
+"input": "<span lang=mus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lua'",
+"input": "<span lang=lua>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lub'",
+"input": "<span lang=lub>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lug'",
+"input": "<span lang=lug>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ira'",
+"input": "<span lang=ira>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mun'",
+"input": "<span lang=mun>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tur'",
+"input": "<span lang=tur>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lun'",
+"input": "<span lang=lun>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'luo'",
+"input": "<span lang=luo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'men'",
+"input": "<span lang=men>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wa'",
+"input": "<span lang=wa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tso'",
+"input": "<span lang=tso>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wo'",
+"input": "<span lang=wo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jv'",
+"input": "<span lang=jv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tut'",
+"input": "<span lang=tut>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ind'",
+"input": "<span lang=ind>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tuk'",
+"input": "<span lang=tuk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tum'",
+"input": "<span lang=tum>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ja'",
+"input": "<span lang=ja>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cop'",
+"input": "<span lang=cop>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cos'",
+"input": "<span lang=cos>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cor'",
+"input": "<span lang=cor>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ilo'",
+"input": "<span lang=ilo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fiu'",
+"input": "<span lang=fiu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gwi'",
+"input": "<span lang=gwi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'und'",
+"input": "<span lang=und>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gws'",
+"input": "<span lang=gws>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tli'",
+"input": "<span lang=tli>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tlh'",
+"input": "<span lang=tlh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nno'",
+"input": "<span lang=nno>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ch'",
+"input": "<span lang=ch>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'co'",
+"input": "<span lang=co>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ca'",
+"input": "<span lang=ca>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'por'",
+"input": "<span lang=por>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ce'",
+"input": "<span lang=ce>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pon'",
+"input": "<span lang=pon>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cy'",
+"input": "<span lang=cy>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sah'",
+"input": "<span lang=sah>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cs'",
+"input": "<span lang=cs>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cr'",
+"input": "<span lang=cr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ady'",
+"input": "<span lang=ady>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cv'",
+"input": "<span lang=cv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cu'",
+"input": "<span lang=cu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ps'",
+"input": "<span lang=ps>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fra'",
+"input": "<span lang=fra>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dum'",
+"input": "<span lang=dum>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pt'",
+"input": "<span lang=pt>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'swa'",
+"input": "<span lang=swa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dua'",
+"input": "<span lang=dua>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fro'",
+"input": "<span lang=fro>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yap'",
+"input": "<span lang=yap>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'frm'",
+"input": "<span lang=frm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tiv'",
+"input": "<span lang=tiv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'frs'",
+"input": "<span lang=frs>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'frr'",
+"input": "<span lang=frr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yao'",
+"input": "<span lang=yao>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pa'",
+"input": "<span lang=pa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xal'",
+"input": "<span lang=xal>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fry'",
+"input": "<span lang=fry>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pi'",
+"input": "<span lang=pi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dut'",
+"input": "<span lang=dut>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pl'",
+"input": "<span lang=pl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gay'",
+"input": "<span lang=gay>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oto'",
+"input": "<span lang=oto>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sag'",
+"input": "<span lang=sag>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hmn'",
+"input": "<span lang=hmn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hmo'",
+"input": "<span lang=hmo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'an'",
+"input": "<span lang=an>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gaa'",
+"input": "<span lang=gaa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fur'",
+"input": "<span lang=fur>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mlg'",
+"input": "<span lang=mlg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'slv'",
+"input": "<span lang=slv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ain'",
+"input": "<span lang=ain>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fil'",
+"input": "<span lang=fil>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mlt'",
+"input": "<span lang=mlt>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'slk'",
+"input": "<span lang=slk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rar'",
+"input": "<span lang=rar>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ful'",
+"input": "<span lang=ful>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sla'",
+"input": "<span lang=sla>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 've'",
+"input": "<span lang=ve>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jpn'",
+"input": "<span lang=jpn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vol'",
+"input": "<span lang=vol>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vi'",
+"input": "<span lang=vi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'is'",
+"input": "<span lang=is>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kho'",
+"input": "<span lang=kho>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iu'",
+"input": "<span lang=iu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'it'",
+"input": "<span lang=it>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vo'",
+"input": "<span lang=vo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ii'",
+"input": "<span lang=ii>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ay'",
+"input": "<span lang=ay>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ik'",
+"input": "<span lang=ik>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'io'",
+"input": "<span lang=io>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kha'",
+"input": "<span lang=kha>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ia'",
+"input": "<span lang=ia>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ave'",
+"input": "<span lang=ave>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jpr'",
+"input": "<span lang=jpr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ie'",
+"input": "<span lang=ie>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ava'",
+"input": "<span lang=ava>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ig'",
+"input": "<span lang=ig>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pap'",
+"input": "<span lang=pap>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ewo'",
+"input": "<span lang=ewo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pau'",
+"input": "<span lang=pau>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ewe'",
+"input": "<span lang=ewe>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'paa'",
+"input": "<span lang=paa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'qaa'",
+"input": "<span lang=qaa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pag'",
+"input": "<span lang=pag>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sat'",
+"input": "<span lang=sat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pal'",
+"input": "<span lang=pal>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pam'",
+"input": "<span lang=pam>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pan'",
+"input": "<span lang=pan>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'phi'",
+"input": "<span lang=phi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nog'",
+"input": "<span lang=nog>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'phn'",
+"input": "<span lang=phn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kir'",
+"input": "<span lang=kir>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nia'",
+"input": "<span lang=nia>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dgr'",
+"input": "<span lang=dgr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'syr'",
+"input": "<span lang=syr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kin'",
+"input": "<span lang=kin>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tup'",
+"input": "<span lang=tup>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'niu'",
+"input": "<span lang=niu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gsw'",
+"input": "<span lang=gsw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'epo'",
+"input": "<span lang=epo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jbo'",
+"input": "<span lang=jbo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mic'",
+"input": "<span lang=mic>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tha'",
+"input": "<span lang=tha>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sam'",
+"input": "<span lang=sam>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hai'",
+"input": "<span lang=hai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gmh'",
+"input": "<span lang=gmh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cus'",
+"input": "<span lang=cus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ell'",
+"input": "<span lang=ell>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wen'",
+"input": "<span lang=wen>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bnt'",
+"input": "<span lang=bnt>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fre'",
+"input": "<span lang=fre>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'elx'",
+"input": "<span lang=elx>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ada'",
+"input": "<span lang=ada>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nav'",
+"input": "<span lang=nav>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hat'",
+"input": "<span lang=hat>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hau'",
+"input": "<span lang=hau>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'haw'",
+"input": "<span lang=haw>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bin'",
+"input": "<span lang=bin>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'amh'",
+"input": "<span lang=amh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bik'",
+"input": "<span lang=bik>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bih'",
+"input": "<span lang=bih>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mos'",
+"input": "<span lang=mos>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'moh'",
+"input": "<span lang=moh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mon'",
+"input": "<span lang=mon>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mol'",
+"input": "<span lang=mol>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bis'",
+"input": "<span lang=bis>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bla'",
+"input": "<span lang=bla>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pol'",
+"input": "<span lang=pol>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tib'",
+"input": "<span lang=tib>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tvl'",
+"input": "<span lang=tvl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tgk'",
+"input": "<span lang=tgk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ijo'",
+"input": "<span lang=ijo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'est'",
+"input": "<span lang=est>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kmb'",
+"input": "<span lang=kmb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ice'",
+"input": "<span lang=ice>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'peo'",
+"input": "<span lang=peo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tgl'",
+"input": "<span lang=tgl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'umb'",
+"input": "<span lang=umb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tmh'",
+"input": "<span lang=tmh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fon'",
+"input": "<span lang=fon>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hsb'",
+"input": "<span lang=hsb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'be'",
+"input": "<span lang=be>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bg'",
+"input": "<span lang=bg>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'run'",
+"input": "<span lang=run>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ba'",
+"input": "<span lang=ba>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rum'",
+"input": "<span lang=rum>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bm'",
+"input": "<span lang=bm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bn'",
+"input": "<span lang=bn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bo'",
+"input": "<span lang=bo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bh'",
+"input": "<span lang=bh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bi'",
+"input": "<span lang=bi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'br'",
+"input": "<span lang=br>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bs'",
+"input": "<span lang=bs>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rus'",
+"input": "<span lang=rus>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rup'",
+"input": "<span lang=rup>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pli'",
+"input": "<span lang=pli>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'om'",
+"input": "<span lang=om>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oj'",
+"input": "<span lang=oj>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ace'",
+"input": "<span lang=ace>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ach'",
+"input": "<span lang=ach>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oc'",
+"input": "<span lang=oc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dzo'",
+"input": "<span lang=dzo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kru'",
+"input": "<span lang=kru>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srr'",
+"input": "<span lang=srr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ido'",
+"input": "<span lang=ido>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srp'",
+"input": "<span lang=srp>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kro'",
+"input": "<span lang=kro>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'krl'",
+"input": "<span lang=krl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'krc'",
+"input": "<span lang=krc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nds'",
+"input": "<span lang=nds>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'os'",
+"input": "<span lang=os>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'or'",
+"input": "<span lang=or>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zul'",
+"input": "<span lang=zul>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'twi'",
+"input": "<span lang=twi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sog'",
+"input": "<span lang=sog>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nso'",
+"input": "<span lang=nso>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'swe'",
+"input": "<span lang=swe>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'som'",
+"input": "<span lang=som>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chm'",
+"input": "<span lang=chm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'snd'",
+"input": "<span lang=snd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sot'",
+"input": "<span lang=sot>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mkd'",
+"input": "<span lang=mkd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wak'",
+"input": "<span lang=wak>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'her'",
+"input": "<span lang=her>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lol'",
+"input": "<span lang=lol>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mkh'",
+"input": "<span lang=mkh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'heb'",
+"input": "<span lang=heb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'loz'",
+"input": "<span lang=loz>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gil'",
+"input": "<span lang=gil>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'was'",
+"input": "<span lang=was>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'war'",
+"input": "<span lang=war>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hz'",
+"input": "<span lang=hz>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hy'",
+"input": "<span lang=hy>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sid'",
+"input": "<span lang=sid>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hr'",
+"input": "<span lang=hr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ht'",
+"input": "<span lang=ht>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hu'",
+"input": "<span lang=hu>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hi'",
+"input": "<span lang=hi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ho'",
+"input": "<span lang=ho>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bul'",
+"input": "<span lang=bul>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wal'",
+"input": "<span lang=wal>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bua'",
+"input": "<span lang=bua>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bug'",
+"input": "<span lang=bug>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'he'",
+"input": "<span lang=he>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uz'",
+"input": "<span lang=uz>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aze'",
+"input": "<span lang=aze>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ur'",
+"input": "<span lang=ur>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zha'",
+"input": "<span lang=zha>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uk'",
+"input": "<span lang=uk>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ug'",
+"input": "<span lang=ug>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zho'",
+"input": "<span lang=zho>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aa'",
+"input": "<span lang=aa>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ab'",
+"input": "<span lang=ab>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ae'",
+"input": "<span lang=ae>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uig'",
+"input": "<span lang=uig>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'af'",
+"input": "<span lang=af>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ak'",
+"input": "<span lang=ak>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'am'",
+"input": "<span lang=am>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'myv'",
+"input": "<span lang=myv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'khi'",
+"input": "<span lang=khi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'as'",
+"input": "<span lang=as>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ar'",
+"input": "<span lang=ar>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'inh'",
+"input": "<span lang=inh>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'khm'",
+"input": "<span lang=khm>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'av'",
+"input": "<span lang=av>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mya'",
+"input": "<span lang=mya>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ine'",
+"input": "<span lang=ine>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'az'",
+"input": "<span lang=az>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ina'",
+"input": "<span lang=ina>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'inc'",
+"input": "<span lang=inc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nl'",
+"input": "<span lang=nl>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nn'",
+"input": "<span lang=nn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'no'",
+"input": "<span lang=no>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'na'",
+"input": "<span lang=na>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nb'",
+"input": "<span lang=nb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nai'",
+"input": "<span lang=nai>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nd'",
+"input": "<span lang=nd>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ne'",
+"input": "<span lang=ne>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tir'",
+"input": "<span lang=tir>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ng'",
+"input": "<span lang=ng>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ny'",
+"input": "<span lang=ny>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nap'",
+"input": "<span lang=nap>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gre'",
+"input": "<span lang=gre>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'grb'",
+"input": "<span lang=grb>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'grc'",
+"input": "<span lang=grc>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nau'",
+"input": "<span lang=nau>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'grn'",
+"input": "<span lang=grn>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nr'",
+"input": "<span lang=nr>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tig'",
+"input": "<span lang=tig>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yor'",
+"input": "<span lang=yor>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nv'",
+"input": "<span lang=nv>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mri'",
+"input": "<span lang=mri>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'may'",
+"input": "<span lang=may>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zun'",
+"input": "<span lang=zun>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ile'",
+"input": "<span lang=ile>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sqi'",
+"input": "<span lang=sqi>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gon'",
+"input": "<span lang=gon>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cpe'",
+"input": "<span lang=cpe>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cpf'",
+"input": "<span lang=cpf>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cpp'",
+"input": "<span lang=cpp>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'roh-foo'",
+"input": "<span lang=roh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gv-foo'",
+"input": "<span lang=gv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gu-foo'",
+"input": "<span lang=gu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'scn-foo'",
+"input": "<span lang=scn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rom-foo'",
+"input": "<span lang=rom-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ron-foo'",
+"input": "<span lang=ron-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'alg-foo'",
+"input": "<span lang=alg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oss-foo'",
+"input": "<span lang=oss-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ale-foo'",
+"input": "<span lang=ale-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'alb-foo'",
+"input": "<span lang=alb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sco-foo'",
+"input": "<span lang=sco-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'scc-foo'",
+"input": "<span lang=scc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mni-foo'",
+"input": "<span lang=mni-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gd-foo'",
+"input": "<span lang=gd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'per-foo'",
+"input": "<span lang=per-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ga-foo'",
+"input": "<span lang=ga-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nwc-foo'",
+"input": "<span lang=nwc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'osa-foo'",
+"input": "<span lang=osa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gn-foo'",
+"input": "<span lang=gn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'alt-foo'",
+"input": "<span lang=alt-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gl-foo'",
+"input": "<span lang=gl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'scr-foo'",
+"input": "<span lang=scr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mwr-foo'",
+"input": "<span lang=mwr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ty-foo'",
+"input": "<span lang=ty-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tw-foo'",
+"input": "<span lang=tw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tt-foo'",
+"input": "<span lang=tt-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tr-foo'",
+"input": "<span lang=tr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ts-foo'",
+"input": "<span lang=ts-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tn-foo'",
+"input": "<span lang=tn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'to-foo'",
+"input": "<span lang=to-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tl-foo'",
+"input": "<span lang=tl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tk-foo'",
+"input": "<span lang=tk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'th-foo'",
+"input": "<span lang=th-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ti-foo'",
+"input": "<span lang=ti-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ven-foo'",
+"input": "<span lang=ven-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tg-foo'",
+"input": "<span lang=tg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'te-foo'",
+"input": "<span lang=te-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uga-foo'",
+"input": "<span lang=uga-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ta-foo'",
+"input": "<span lang=ta-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fas-foo'",
+"input": "<span lang=fas-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fat-foo'",
+"input": "<span lang=fat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fan-foo'",
+"input": "<span lang=fan-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fao-foo'",
+"input": "<span lang=fao-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'got-foo'",
+"input": "<span lang=got-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sme-foo'",
+"input": "<span lang=sme-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'din-foo'",
+"input": "<span lang=din-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hye-foo'",
+"input": "<span lang=hye-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'guj-foo'",
+"input": "<span lang=guj-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cmc-foo'",
+"input": "<span lang=cmc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srd-foo'",
+"input": "<span lang=srd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mdr-foo'",
+"input": "<span lang=mdr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ml-foo'",
+"input": "<span lang=ml-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'div-foo'",
+"input": "<span lang=div-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zh-foo'",
+"input": "<span lang=zh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tem-foo'",
+"input": "<span lang=tem-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xho-foo'",
+"input": "<span lang=xho-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mno-foo'",
+"input": "<span lang=mno-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'roa-foo'",
+"input": "<span lang=roa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'za-foo'",
+"input": "<span lang=za-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'deu-foo'",
+"input": "<span lang=deu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mk-foo'",
+"input": "<span lang=mk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nbl-foo'",
+"input": "<span lang=nbl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zu-foo'",
+"input": "<span lang=zu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ter-foo'",
+"input": "<span lang=ter-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tet-foo'",
+"input": "<span lang=tet-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mnc-foo'",
+"input": "<span lang=mnc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sun-foo'",
+"input": "<span lang=sun-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'abk-foo'",
+"input": "<span lang=abk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'suk-foo'",
+"input": "<span lang=suk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kur-foo'",
+"input": "<span lang=kur-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kum-foo'",
+"input": "<span lang=kum-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'slo-foo'",
+"input": "<span lang=slo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sus-foo'",
+"input": "<span lang=sus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'new-foo'",
+"input": "<span lang=new-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kua-foo'",
+"input": "<span lang=kua-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sux-foo'",
+"input": "<span lang=sux-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'den-foo'",
+"input": "<span lang=den-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mr-foo'",
+"input": "<span lang=mr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mul-foo'",
+"input": "<span lang=mul-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lez-foo'",
+"input": "<span lang=lez-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gla-foo'",
+"input": "<span lang=gla-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bos-foo'",
+"input": "<span lang=bos-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gle-foo'",
+"input": "<span lang=gle-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eka-foo'",
+"input": "<span lang=eka-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'glg-foo'",
+"input": "<span lang=glg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'akk-foo'",
+"input": "<span lang=akk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dra-foo'",
+"input": "<span lang=dra-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aka-foo'",
+"input": "<span lang=aka-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bod-foo'",
+"input": "<span lang=bod-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'glv-foo'",
+"input": "<span lang=glv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jrb-foo'",
+"input": "<span lang=jrb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vie-foo'",
+"input": "<span lang=vie-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ipk-foo'",
+"input": "<span lang=ipk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uzb-foo'",
+"input": "<span lang=uzb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sgn-foo'",
+"input": "<span lang=sgn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sga-foo'",
+"input": "<span lang=sga-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bre-foo'",
+"input": "<span lang=bre-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'apa-foo'",
+"input": "<span lang=apa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bra-foo'",
+"input": "<span lang=bra-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aym-foo'",
+"input": "<span lang=aym-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cha-foo'",
+"input": "<span lang=cha-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chb-foo'",
+"input": "<span lang=chb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'che-foo'",
+"input": "<span lang=che-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chg-foo'",
+"input": "<span lang=chg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chi-foo'",
+"input": "<span lang=chi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chk-foo'",
+"input": "<span lang=chk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aus-foo'",
+"input": "<span lang=aus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chn-foo'",
+"input": "<span lang=chn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cho-foo'",
+"input": "<span lang=cho-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chp-foo'",
+"input": "<span lang=chp-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chr-foo'",
+"input": "<span lang=chr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chu-foo'",
+"input": "<span lang=chu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chv-foo'",
+"input": "<span lang=chv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chy-foo'",
+"input": "<span lang=chy-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'msa-foo'",
+"input": "<span lang=msa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iii-foo'",
+"input": "<span lang=iii-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vot-foo'",
+"input": "<span lang=vot-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mg-foo'",
+"input": "<span lang=mg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ndo-foo'",
+"input": "<span lang=ndo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ibo-foo'",
+"input": "<span lang=ibo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'car-foo'",
+"input": "<span lang=car-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mo-foo'",
+"input": "<span lang=mo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mn-foo'",
+"input": "<span lang=mn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mi-foo'",
+"input": "<span lang=mi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mh-foo'",
+"input": "<span lang=mh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cau-foo'",
+"input": "<span lang=cau-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cat-foo'",
+"input": "<span lang=cat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bur-foo'",
+"input": "<span lang=bur-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mt-foo'",
+"input": "<span lang=mt-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cai-foo'",
+"input": "<span lang=cai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'del-foo'",
+"input": "<span lang=del-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ms-foo'",
+"input": "<span lang=ms-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'byn-foo'",
+"input": "<span lang=byn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mwl-foo'",
+"input": "<span lang=mwl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'my-foo'",
+"input": "<span lang=my-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cad-foo'",
+"input": "<span lang=cad-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tat-foo'",
+"input": "<span lang=tat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nde-foo'",
+"input": "<span lang=nde-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tam-foo'",
+"input": "<span lang=tam-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'spa-foo'",
+"input": "<span lang=spa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tah-foo'",
+"input": "<span lang=tah-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tai-foo'",
+"input": "<span lang=tai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cze-foo'",
+"input": "<span lang=cze-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'afh-foo'",
+"input": "<span lang=afh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eng-foo'",
+"input": "<span lang=eng-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'afa-foo'",
+"input": "<span lang=afa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'id-foo'",
+"input": "<span lang=id-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nyn-foo'",
+"input": "<span lang=nyn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nyo-foo'",
+"input": "<span lang=nyo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gez-foo'",
+"input": "<span lang=gez-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nya-foo'",
+"input": "<span lang=nya-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sio-foo'",
+"input": "<span lang=sio-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sin-foo'",
+"input": "<span lang=sin-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'afr-foo'",
+"input": "<span lang=afr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'map-foo'",
+"input": "<span lang=map-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fr-foo'",
+"input": "<span lang=fr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lao-foo'",
+"input": "<span lang=lao-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lah-foo'",
+"input": "<span lang=lah-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nym-foo'",
+"input": "<span lang=nym-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sna-foo'",
+"input": "<span lang=sna-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lad-foo'",
+"input": "<span lang=lad-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fy-foo'",
+"input": "<span lang=fy-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'snk-foo'",
+"input": "<span lang=snk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fa-foo'",
+"input": "<span lang=fa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mac-foo'",
+"input": "<span lang=mac-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mad-foo'",
+"input": "<span lang=mad-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ff-foo'",
+"input": "<span lang=ff-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lat-foo'",
+"input": "<span lang=lat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fi-foo'",
+"input": "<span lang=fi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fj-foo'",
+"input": "<span lang=fj-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mal-foo'",
+"input": "<span lang=mal-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mao-foo'",
+"input": "<span lang=mao-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fo-foo'",
+"input": "<span lang=fo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mak-foo'",
+"input": "<span lang=mak-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'egy-foo'",
+"input": "<span lang=egy-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'znd-foo'",
+"input": "<span lang=znd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ss-foo'",
+"input": "<span lang=ss-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sr-foo'",
+"input": "<span lang=sr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sq-foo'",
+"input": "<span lang=sq-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sit-foo'",
+"input": "<span lang=sit-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sw-foo'",
+"input": "<span lang=sw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sv-foo'",
+"input": "<span lang=sv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'su-foo'",
+"input": "<span lang=su-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'st-foo'",
+"input": "<span lang=st-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sk-foo'",
+"input": "<span lang=sk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'si-foo'",
+"input": "<span lang=si-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sh-foo'",
+"input": "<span lang=sh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'so-foo'",
+"input": "<span lang=so-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sn-foo'",
+"input": "<span lang=sn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sm-foo'",
+"input": "<span lang=sm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sl-foo'",
+"input": "<span lang=sl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sc-foo'",
+"input": "<span lang=sc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sa-foo'",
+"input": "<span lang=sa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sg-foo'",
+"input": "<span lang=sg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'se-foo'",
+"input": "<span lang=se-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sd-foo'",
+"input": "<span lang=sd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zen-foo'",
+"input": "<span lang=zen-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kbd-foo'",
+"input": "<span lang=kbd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'enm-foo'",
+"input": "<span lang=enm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iro-foo'",
+"input": "<span lang=iro-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vai-foo'",
+"input": "<span lang=vai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'csb-foo'",
+"input": "<span lang=csb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tsn-foo'",
+"input": "<span lang=tsn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lg-foo'",
+"input": "<span lang=lg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lb-foo'",
+"input": "<span lang=lb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'la-foo'",
+"input": "<span lang=la-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ln-foo'",
+"input": "<span lang=ln-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lo-foo'",
+"input": "<span lang=lo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'li-foo'",
+"input": "<span lang=li-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lv-foo'",
+"input": "<span lang=lv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lt-foo'",
+"input": "<span lang=lt-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lu-foo'",
+"input": "<span lang=lu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hin-foo'",
+"input": "<span lang=hin-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fij-foo'",
+"input": "<span lang=fij-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fin-foo'",
+"input": "<span lang=fin-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eus-foo'",
+"input": "<span lang=eus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yi-foo'",
+"input": "<span lang=yi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'non-foo'",
+"input": "<span lang=non-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ceb-foo'",
+"input": "<span lang=ceb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yo-foo'",
+"input": "<span lang=yo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dan-foo'",
+"input": "<span lang=dan-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cel-foo'",
+"input": "<span lang=cel-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bat-foo'",
+"input": "<span lang=bat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nob-foo'",
+"input": "<span lang=nob-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dak-foo'",
+"input": "<span lang=dak-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ces-foo'",
+"input": "<span lang=ces-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dar-foo'",
+"input": "<span lang=dar-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'son-foo'",
+"input": "<span lang=son-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'day-foo'",
+"input": "<span lang=day-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nor-foo'",
+"input": "<span lang=nor-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gba-foo'",
+"input": "<span lang=gba-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ssa-foo'",
+"input": "<span lang=ssa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hil-foo'",
+"input": "<span lang=hil-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kpe-foo'",
+"input": "<span lang=kpe-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'man-foo'",
+"input": "<span lang=man-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wel-foo'",
+"input": "<span lang=wel-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'el-foo'",
+"input": "<span lang=el-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eo-foo'",
+"input": "<span lang=eo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'en-foo'",
+"input": "<span lang=en-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lam-foo'",
+"input": "<span lang=lam-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ee-foo'",
+"input": "<span lang=ee-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tpi-foo'",
+"input": "<span lang=tpi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mdf-foo'",
+"input": "<span lang=mdf-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mas-foo'",
+"input": "<span lang=mas-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mar-foo'",
+"input": "<span lang=mar-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'eu-foo'",
+"input": "<span lang=eu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'et-foo'",
+"input": "<span lang=et-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'es-foo'",
+"input": "<span lang=es-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ru-foo'",
+"input": "<span lang=ru-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rw-foo'",
+"input": "<span lang=rw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'goh-foo'",
+"input": "<span lang=goh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sms-foo'",
+"input": "<span lang=sms-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smo-foo'",
+"input": "<span lang=smo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smn-foo'",
+"input": "<span lang=smn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smj-foo'",
+"input": "<span lang=smj-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'smi-foo'",
+"input": "<span lang=smi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nic-foo'",
+"input": "<span lang=nic-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rm-foo'",
+"input": "<span lang=rm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rn-foo'",
+"input": "<span lang=rn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ro-foo'",
+"input": "<span lang=ro-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dsb-foo'",
+"input": "<span lang=dsb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sma-foo'",
+"input": "<span lang=sma-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gor-foo'",
+"input": "<span lang=gor-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ast-foo'",
+"input": "<span lang=ast-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'orm-foo'",
+"input": "<span lang=orm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'que-foo'",
+"input": "<span lang=que-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ori-foo'",
+"input": "<span lang=ori-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'crh-foo'",
+"input": "<span lang=crh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'asm-foo'",
+"input": "<span lang=asm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pus-foo'",
+"input": "<span lang=pus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kik-foo'",
+"input": "<span lang=kik-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ltz-foo'",
+"input": "<span lang=ltz-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ath-foo'",
+"input": "<span lang=ath-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wln-foo'",
+"input": "<span lang=wln-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'isl-foo'",
+"input": "<span lang=isl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xh-foo'",
+"input": "<span lang=xh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mag-foo'",
+"input": "<span lang=mag-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mai-foo'",
+"input": "<span lang=mai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xx-foo'",
+"input": "<span lang=xx-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mah-foo'",
+"input": "<span lang=mah-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tel-foo'",
+"input": "<span lang=tel-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lav-foo'",
+"input": "<span lang=lav-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zap-foo'",
+"input": "<span lang=zap-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yid-foo'",
+"input": "<span lang=yid-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kok-foo'",
+"input": "<span lang=kok-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kom-foo'",
+"input": "<span lang=kom-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kon-foo'",
+"input": "<span lang=kon-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ukr-foo'",
+"input": "<span lang=ukr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ton-foo'",
+"input": "<span lang=ton-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kos-foo'",
+"input": "<span lang=kos-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kor-foo'",
+"input": "<span lang=kor-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tog-foo'",
+"input": "<span lang=tog-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hun-foo'",
+"input": "<span lang=hun-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hup-foo'",
+"input": "<span lang=hup-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cym-foo'",
+"input": "<span lang=cym-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'udm-foo'",
+"input": "<span lang=udm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bej-foo'",
+"input": "<span lang=bej-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ben-foo'",
+"input": "<span lang=ben-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bel-foo'",
+"input": "<span lang=bel-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bem-foo'",
+"input": "<span lang=bem-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tsi-foo'",
+"input": "<span lang=tsi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aar-foo'",
+"input": "<span lang=aar-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ber-foo'",
+"input": "<span lang=ber-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nzi-foo'",
+"input": "<span lang=nzi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sai-foo'",
+"input": "<span lang=sai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ang-foo'",
+"input": "<span lang=ang-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pra-foo'",
+"input": "<span lang=pra-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'san-foo'",
+"input": "<span lang=san-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bho-foo'",
+"input": "<span lang=bho-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sal-foo'",
+"input": "<span lang=sal-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pro-foo'",
+"input": "<span lang=pro-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'raj-foo'",
+"input": "<span lang=raj-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sad-foo'",
+"input": "<span lang=sad-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'anp-foo'",
+"input": "<span lang=anp-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rap-foo'",
+"input": "<span lang=rap-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sas-foo'",
+"input": "<span lang=sas-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iba-foo'",
+"input": "<span lang=iba-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'myn-foo'",
+"input": "<span lang=myn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'min-foo'",
+"input": "<span lang=min-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lim-foo'",
+"input": "<span lang=lim-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lin-foo'",
+"input": "<span lang=lin-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nah-foo'",
+"input": "<span lang=nah-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lit-foo'",
+"input": "<span lang=lit-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'efi-foo'",
+"input": "<span lang=efi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srn-foo'",
+"input": "<span lang=srn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arn-foo'",
+"input": "<span lang=arn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ypk-foo'",
+"input": "<span lang=ypk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mis-foo'",
+"input": "<span lang=mis-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kac-foo'",
+"input": "<span lang=kac-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kab-foo'",
+"input": "<span lang=kab-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kaa-foo'",
+"input": "<span lang=kaa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kan-foo'",
+"input": "<span lang=kan-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kam-foo'",
+"input": "<span lang=kam-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kal-foo'",
+"input": "<span lang=kal-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kas-foo'",
+"input": "<span lang=kas-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kar-foo'",
+"input": "<span lang=kar-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kaw-foo'",
+"input": "<span lang=kaw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kau-foo'",
+"input": "<span lang=kau-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kat-foo'",
+"input": "<span lang=kat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kaz-foo'",
+"input": "<span lang=kaz-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tyv-foo'",
+"input": "<span lang=tyv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'awa-foo'",
+"input": "<span lang=awa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'urd-foo'",
+"input": "<span lang=urd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ka-foo'",
+"input": "<span lang=ka-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'doi-foo'",
+"input": "<span lang=doi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kg-foo'",
+"input": "<span lang=kg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kk-foo'",
+"input": "<span lang=kk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kj-foo'",
+"input": "<span lang=kj-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ki-foo'",
+"input": "<span lang=ki-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ko-foo'",
+"input": "<span lang=ko-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kn-foo'",
+"input": "<span lang=kn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'km-foo'",
+"input": "<span lang=km-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kl-foo'",
+"input": "<span lang=kl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ks-foo'",
+"input": "<span lang=ks-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kr-foo'",
+"input": "<span lang=kr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kw-foo'",
+"input": "<span lang=kw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kv-foo'",
+"input": "<span lang=kv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ku-foo'",
+"input": "<span lang=ku-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ky-foo'",
+"input": "<span lang=ky-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ota-foo'",
+"input": "<span lang=ota-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kut-foo'",
+"input": "<span lang=kut-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tkl-foo'",
+"input": "<span lang=tkl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nld-foo'",
+"input": "<span lang=nld-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oji-foo'",
+"input": "<span lang=oji-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oci-foo'",
+"input": "<span lang=oci-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ha-foo'",
+"input": "<span lang=ha-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wol-foo'",
+"input": "<span lang=wol-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jav-foo'",
+"input": "<span lang=jav-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hrv-foo'",
+"input": "<span lang=hrv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ger-foo'",
+"input": "<span lang=ger-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mga-foo'",
+"input": "<span lang=mga-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hit-foo'",
+"input": "<span lang=hit-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dyu-foo'",
+"input": "<span lang=dyu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ssw-foo'",
+"input": "<span lang=ssw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'de-foo'",
+"input": "<span lang=de-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'da-foo'",
+"input": "<span lang=da-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dz-foo'",
+"input": "<span lang=dz-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lui-foo'",
+"input": "<span lang=lui-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dv-foo'",
+"input": "<span lang=dv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ita-foo'",
+"input": "<span lang=ita-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'geo-foo'",
+"input": "<span lang=geo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'him-foo'",
+"input": "<span lang=him-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gem-foo'",
+"input": "<span lang=gem-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'crp-foo'",
+"input": "<span lang=crp-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'qu-foo'",
+"input": "<span lang=qu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bas-foo'",
+"input": "<span lang=bas-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'baq-foo'",
+"input": "<span lang=baq-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bad-foo'",
+"input": "<span lang=bad-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nep-foo'",
+"input": "<span lang=nep-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cre-foo'",
+"input": "<span lang=cre-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ban-foo'",
+"input": "<span lang=ban-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'x-foo'",
+"input": "<span lang=x-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bal-foo'",
+"input": "<span lang=bal-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bam-foo'",
+"input": "<span lang=bam-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bak-foo'",
+"input": "<span lang=bak-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'shn-foo'",
+"input": "<span lang=shn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bai-foo'",
+"input": "<span lang=bai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arp-foo'",
+"input": "<span lang=arp-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'art-foo'",
+"input": "<span lang=art-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arw-foo'",
+"input": "<span lang=arw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'qtz-foo'",
+"input": "<span lang=qtz-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ara-foo'",
+"input": "<span lang=ara-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arc-foo'",
+"input": "<span lang=arc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arg-foo'",
+"input": "<span lang=arg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sem-foo'",
+"input": "<span lang=sem-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sel-foo'",
+"input": "<span lang=sel-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nub-foo'",
+"input": "<span lang=nub-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'arm-foo'",
+"input": "<span lang=arm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'btk-foo'",
+"input": "<span lang=btk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lus-foo'",
+"input": "<span lang=lus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iku-foo'",
+"input": "<span lang=iku-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mus-foo'",
+"input": "<span lang=mus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lua-foo'",
+"input": "<span lang=lua-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lub-foo'",
+"input": "<span lang=lub-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lug-foo'",
+"input": "<span lang=lug-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ira-foo'",
+"input": "<span lang=ira-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mun-foo'",
+"input": "<span lang=mun-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tur-foo'",
+"input": "<span lang=tur-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lun-foo'",
+"input": "<span lang=lun-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'luo-foo'",
+"input": "<span lang=luo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'men-foo'",
+"input": "<span lang=men-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wa-foo'",
+"input": "<span lang=wa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tso-foo'",
+"input": "<span lang=tso-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wo-foo'",
+"input": "<span lang=wo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jv-foo'",
+"input": "<span lang=jv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tut-foo'",
+"input": "<span lang=tut-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ind-foo'",
+"input": "<span lang=ind-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tuk-foo'",
+"input": "<span lang=tuk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tum-foo'",
+"input": "<span lang=tum-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ja-foo'",
+"input": "<span lang=ja-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cop-foo'",
+"input": "<span lang=cop-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cos-foo'",
+"input": "<span lang=cos-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cor-foo'",
+"input": "<span lang=cor-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ilo-foo'",
+"input": "<span lang=ilo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fiu-foo'",
+"input": "<span lang=fiu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gwi-foo'",
+"input": "<span lang=gwi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'und-foo'",
+"input": "<span lang=und-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gws-foo'",
+"input": "<span lang=gws-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tli-foo'",
+"input": "<span lang=tli-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tlh-foo'",
+"input": "<span lang=tlh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nno-foo'",
+"input": "<span lang=nno-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ch-foo'",
+"input": "<span lang=ch-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'co-foo'",
+"input": "<span lang=co-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ca-foo'",
+"input": "<span lang=ca-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'por-foo'",
+"input": "<span lang=por-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ce-foo'",
+"input": "<span lang=ce-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pon-foo'",
+"input": "<span lang=pon-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cy-foo'",
+"input": "<span lang=cy-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sah-foo'",
+"input": "<span lang=sah-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cs-foo'",
+"input": "<span lang=cs-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cr-foo'",
+"input": "<span lang=cr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ady-foo'",
+"input": "<span lang=ady-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cv-foo'",
+"input": "<span lang=cv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cu-foo'",
+"input": "<span lang=cu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ps-foo'",
+"input": "<span lang=ps-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fra-foo'",
+"input": "<span lang=fra-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dum-foo'",
+"input": "<span lang=dum-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pt-foo'",
+"input": "<span lang=pt-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'swa-foo'",
+"input": "<span lang=swa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dua-foo'",
+"input": "<span lang=dua-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fro-foo'",
+"input": "<span lang=fro-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yap-foo'",
+"input": "<span lang=yap-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'frm-foo'",
+"input": "<span lang=frm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tiv-foo'",
+"input": "<span lang=tiv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'frs-foo'",
+"input": "<span lang=frs-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'frr-foo'",
+"input": "<span lang=frr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yao-foo'",
+"input": "<span lang=yao-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pa-foo'",
+"input": "<span lang=pa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'xal-foo'",
+"input": "<span lang=xal-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fry-foo'",
+"input": "<span lang=fry-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pi-foo'",
+"input": "<span lang=pi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dut-foo'",
+"input": "<span lang=dut-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pl-foo'",
+"input": "<span lang=pl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gay-foo'",
+"input": "<span lang=gay-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oto-foo'",
+"input": "<span lang=oto-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sag-foo'",
+"input": "<span lang=sag-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hmn-foo'",
+"input": "<span lang=hmn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hmo-foo'",
+"input": "<span lang=hmo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'an-foo'",
+"input": "<span lang=an-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gaa-foo'",
+"input": "<span lang=gaa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fur-foo'",
+"input": "<span lang=fur-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mlg-foo'",
+"input": "<span lang=mlg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'slv-foo'",
+"input": "<span lang=slv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ain-foo'",
+"input": "<span lang=ain-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fil-foo'",
+"input": "<span lang=fil-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mlt-foo'",
+"input": "<span lang=mlt-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'slk-foo'",
+"input": "<span lang=slk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rar-foo'",
+"input": "<span lang=rar-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ful-foo'",
+"input": "<span lang=ful-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sla-foo'",
+"input": "<span lang=sla-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 've-foo'",
+"input": "<span lang=ve-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jpn-foo'",
+"input": "<span lang=jpn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vol-foo'",
+"input": "<span lang=vol-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vi-foo'",
+"input": "<span lang=vi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'is-foo'",
+"input": "<span lang=is-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kho-foo'",
+"input": "<span lang=kho-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'iu-foo'",
+"input": "<span lang=iu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'it-foo'",
+"input": "<span lang=it-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'vo-foo'",
+"input": "<span lang=vo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ii-foo'",
+"input": "<span lang=ii-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ay-foo'",
+"input": "<span lang=ay-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ik-foo'",
+"input": "<span lang=ik-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'io-foo'",
+"input": "<span lang=io-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kha-foo'",
+"input": "<span lang=kha-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ia-foo'",
+"input": "<span lang=ia-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ave-foo'",
+"input": "<span lang=ave-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jpr-foo'",
+"input": "<span lang=jpr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ie-foo'",
+"input": "<span lang=ie-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ava-foo'",
+"input": "<span lang=ava-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ig-foo'",
+"input": "<span lang=ig-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pap-foo'",
+"input": "<span lang=pap-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ewo-foo'",
+"input": "<span lang=ewo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pau-foo'",
+"input": "<span lang=pau-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ewe-foo'",
+"input": "<span lang=ewe-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'paa-foo'",
+"input": "<span lang=paa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'qaa-foo'",
+"input": "<span lang=qaa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pag-foo'",
+"input": "<span lang=pag-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sat-foo'",
+"input": "<span lang=sat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pal-foo'",
+"input": "<span lang=pal-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pam-foo'",
+"input": "<span lang=pam-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pan-foo'",
+"input": "<span lang=pan-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'phi-foo'",
+"input": "<span lang=phi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nog-foo'",
+"input": "<span lang=nog-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'phn-foo'",
+"input": "<span lang=phn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kir-foo'",
+"input": "<span lang=kir-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nia-foo'",
+"input": "<span lang=nia-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dgr-foo'",
+"input": "<span lang=dgr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'syr-foo'",
+"input": "<span lang=syr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kin-foo'",
+"input": "<span lang=kin-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tup-foo'",
+"input": "<span lang=tup-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'niu-foo'",
+"input": "<span lang=niu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gsw-foo'",
+"input": "<span lang=gsw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'epo-foo'",
+"input": "<span lang=epo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'jbo-foo'",
+"input": "<span lang=jbo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mic-foo'",
+"input": "<span lang=mic-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tha-foo'",
+"input": "<span lang=tha-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sam-foo'",
+"input": "<span lang=sam-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hai-foo'",
+"input": "<span lang=hai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gmh-foo'",
+"input": "<span lang=gmh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cus-foo'",
+"input": "<span lang=cus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ell-foo'",
+"input": "<span lang=ell-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wen-foo'",
+"input": "<span lang=wen-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bnt-foo'",
+"input": "<span lang=bnt-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fre-foo'",
+"input": "<span lang=fre-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'elx-foo'",
+"input": "<span lang=elx-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ada-foo'",
+"input": "<span lang=ada-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nav-foo'",
+"input": "<span lang=nav-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hat-foo'",
+"input": "<span lang=hat-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hau-foo'",
+"input": "<span lang=hau-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'haw-foo'",
+"input": "<span lang=haw-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bin-foo'",
+"input": "<span lang=bin-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'amh-foo'",
+"input": "<span lang=amh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bik-foo'",
+"input": "<span lang=bik-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bih-foo'",
+"input": "<span lang=bih-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mos-foo'",
+"input": "<span lang=mos-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'moh-foo'",
+"input": "<span lang=moh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mon-foo'",
+"input": "<span lang=mon-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mol-foo'",
+"input": "<span lang=mol-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bis-foo'",
+"input": "<span lang=bis-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bla-foo'",
+"input": "<span lang=bla-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pol-foo'",
+"input": "<span lang=pol-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tib-foo'",
+"input": "<span lang=tib-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tvl-foo'",
+"input": "<span lang=tvl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tgk-foo'",
+"input": "<span lang=tgk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ijo-foo'",
+"input": "<span lang=ijo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'est-foo'",
+"input": "<span lang=est-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kmb-foo'",
+"input": "<span lang=kmb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ice-foo'",
+"input": "<span lang=ice-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'peo-foo'",
+"input": "<span lang=peo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tgl-foo'",
+"input": "<span lang=tgl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'umb-foo'",
+"input": "<span lang=umb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tmh-foo'",
+"input": "<span lang=tmh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'fon-foo'",
+"input": "<span lang=fon-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hsb-foo'",
+"input": "<span lang=hsb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'be-foo'",
+"input": "<span lang=be-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bg-foo'",
+"input": "<span lang=bg-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'run-foo'",
+"input": "<span lang=run-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ba-foo'",
+"input": "<span lang=ba-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rum-foo'",
+"input": "<span lang=rum-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bm-foo'",
+"input": "<span lang=bm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bn-foo'",
+"input": "<span lang=bn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bo-foo'",
+"input": "<span lang=bo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bh-foo'",
+"input": "<span lang=bh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bi-foo'",
+"input": "<span lang=bi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'br-foo'",
+"input": "<span lang=br-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bs-foo'",
+"input": "<span lang=bs-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rus-foo'",
+"input": "<span lang=rus-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'rup-foo'",
+"input": "<span lang=rup-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'pli-foo'",
+"input": "<span lang=pli-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'om-foo'",
+"input": "<span lang=om-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oj-foo'",
+"input": "<span lang=oj-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ace-foo'",
+"input": "<span lang=ace-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ach-foo'",
+"input": "<span lang=ach-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'oc-foo'",
+"input": "<span lang=oc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'dzo-foo'",
+"input": "<span lang=dzo-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kru-foo'",
+"input": "<span lang=kru-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srr-foo'",
+"input": "<span lang=srr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ido-foo'",
+"input": "<span lang=ido-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'srp-foo'",
+"input": "<span lang=srp-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'kro-foo'",
+"input": "<span lang=kro-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'krl-foo'",
+"input": "<span lang=krl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'krc-foo'",
+"input": "<span lang=krc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nds-foo'",
+"input": "<span lang=nds-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'os-foo'",
+"input": "<span lang=os-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'or-foo'",
+"input": "<span lang=or-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zul-foo'",
+"input": "<span lang=zul-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'twi-foo'",
+"input": "<span lang=twi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sog-foo'",
+"input": "<span lang=sog-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nso-foo'",
+"input": "<span lang=nso-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'swe-foo'",
+"input": "<span lang=swe-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'som-foo'",
+"input": "<span lang=som-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'chm-foo'",
+"input": "<span lang=chm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'snd-foo'",
+"input": "<span lang=snd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sot-foo'",
+"input": "<span lang=sot-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mkd-foo'",
+"input": "<span lang=mkd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wak-foo'",
+"input": "<span lang=wak-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'her-foo'",
+"input": "<span lang=her-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'lol-foo'",
+"input": "<span lang=lol-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mkh-foo'",
+"input": "<span lang=mkh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'heb-foo'",
+"input": "<span lang=heb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'loz-foo'",
+"input": "<span lang=loz-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gil-foo'",
+"input": "<span lang=gil-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'was-foo'",
+"input": "<span lang=was-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'war-foo'",
+"input": "<span lang=war-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hz-foo'",
+"input": "<span lang=hz-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hy-foo'",
+"input": "<span lang=hy-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sid-foo'",
+"input": "<span lang=sid-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hr-foo'",
+"input": "<span lang=hr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ht-foo'",
+"input": "<span lang=ht-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hu-foo'",
+"input": "<span lang=hu-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'hi-foo'",
+"input": "<span lang=hi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ho-foo'",
+"input": "<span lang=ho-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bul-foo'",
+"input": "<span lang=bul-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'wal-foo'",
+"input": "<span lang=wal-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bua-foo'",
+"input": "<span lang=bua-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'bug-foo'",
+"input": "<span lang=bug-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'he-foo'",
+"input": "<span lang=he-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uz-foo'",
+"input": "<span lang=uz-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aze-foo'",
+"input": "<span lang=aze-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ur-foo'",
+"input": "<span lang=ur-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zha-foo'",
+"input": "<span lang=zha-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uk-foo'",
+"input": "<span lang=uk-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ug-foo'",
+"input": "<span lang=ug-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zho-foo'",
+"input": "<span lang=zho-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'aa-foo'",
+"input": "<span lang=aa-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ab-foo'",
+"input": "<span lang=ab-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ae-foo'",
+"input": "<span lang=ae-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'uig-foo'",
+"input": "<span lang=uig-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'af-foo'",
+"input": "<span lang=af-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ak-foo'",
+"input": "<span lang=ak-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'am-foo'",
+"input": "<span lang=am-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'myv-foo'",
+"input": "<span lang=myv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'khi-foo'",
+"input": "<span lang=khi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'as-foo'",
+"input": "<span lang=as-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ar-foo'",
+"input": "<span lang=ar-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'inh-foo'",
+"input": "<span lang=inh-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'khm-foo'",
+"input": "<span lang=khm-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'av-foo'",
+"input": "<span lang=av-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mya-foo'",
+"input": "<span lang=mya-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ine-foo'",
+"input": "<span lang=ine-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'az-foo'",
+"input": "<span lang=az-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ina-foo'",
+"input": "<span lang=ina-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'inc-foo'",
+"input": "<span lang=inc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nl-foo'",
+"input": "<span lang=nl-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nn-foo'",
+"input": "<span lang=nn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'no-foo'",
+"input": "<span lang=no-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'na-foo'",
+"input": "<span lang=na-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nb-foo'",
+"input": "<span lang=nb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nai-foo'",
+"input": "<span lang=nai-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nd-foo'",
+"input": "<span lang=nd-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ne-foo'",
+"input": "<span lang=ne-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tir-foo'",
+"input": "<span lang=tir-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ng-foo'",
+"input": "<span lang=ng-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ny-foo'",
+"input": "<span lang=ny-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nap-foo'",
+"input": "<span lang=nap-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gre-foo'",
+"input": "<span lang=gre-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'grb-foo'",
+"input": "<span lang=grb-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'grc-foo'",
+"input": "<span lang=grc-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nau-foo'",
+"input": "<span lang=nau-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'grn-foo'",
+"input": "<span lang=grn-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nr-foo'",
+"input": "<span lang=nr-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'tig-foo'",
+"input": "<span lang=tig-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'yor-foo'",
+"input": "<span lang=yor-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'nv-foo'",
+"input": "<span lang=nv-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'mri-foo'",
+"input": "<span lang=mri-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'may-foo'",
+"input": "<span lang=may-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'zun-foo'",
+"input": "<span lang=zun-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'ile-foo'",
+"input": "<span lang=ile-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'sqi-foo'",
+"input": "<span lang=sqi-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'gon-foo'",
+"input": "<span lang=gon-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cpe-foo'",
+"input": "<span lang=cpe-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cpf-foo'",
+"input": "<span lang=cpf-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'cpp-foo'",
+"input": "<span lang=cpp-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "invalid lang attribute 'foo'",
+"input": "<span lang=foo>",
+"fail-unless": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'EN'",
+"input": "<span lang=EN>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "valid lang attribute 'EN-foo'",
+"input": "<span lang=EN-foo>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "lang attribute can be blank",
+"input": "<span lang>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "lang attribute can be blank (with quotes)",
+"input": "<span lang=''>",
+"fail-if": "invalid-lang-code"},
+
+{"description": "lang attribute can not be just space characters",
+"input": "<span lang=' '>",
+"fail-unless": "invalid-lang-code"},
+
+{"description": "lang attribute can not contain leading spaces",
+"input": "<span lang=' en'>",
+"fail-unless": "invalid-lang-code"},
+
+{"description": "lang attribute can not contain trailing spaces",
+"input": "<span lang='en '>",
+"fail-unless": "invalid-lang-code"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/li-value-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/li-value-attribute.test
new file mode 100755
index 000000000..9ef9dcc56
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/li-value-attribute.test
@@ -0,0 +1,7 @@
+{"tests": [
+
+{"description": "invalid li value attribute value due to leading junk",
+"input": "<li value=a1>",
+"fail-unless": "invalid-integer-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-href-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-href-attribute.test
new file mode 100755
index 000000000..950c3786f
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-href-attribute.test
@@ -0,0 +1,7 @@
+{"tests": [
+
+{"description": "link href contains invalid URI due to space in domain",
+"input": "<link href='http://www.example. com/'",
+"fail-unless": "invalid-uri-char"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-hreflang-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-hreflang-attribute.test
new file mode 100755
index 000000000..de39d4da0
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-hreflang-attribute.test
@@ -0,0 +1,7 @@
+{"tests": [
+
+{"description": "invalid lang attribute 'foo'",
+"input": "<link hreflang=foo>",
+"fail-unless": "invalid-lang-code"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-rel-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-rel-attribute.test
new file mode 100755
index 000000000..a436751da
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/link-rel-attribute.test
@@ -0,0 +1,271 @@
+{"tests": [
+
+{"description": "invalid link rel value 'foo'",
+"input": "<link rel=foo>",
+"fail-unless": "invalid-rel"},
+
+{"description": "valid link rel value 'alternate stylesheet'",
+"input": "<link rel='alternate stylesheet'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading space",
+"input": "<link rel=' stylesheet'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with trailing space",
+"input": "<link rel='stylesheet '>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading and trailing space",
+"input": "<link rel=' stylesheet '>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading tab",
+"input": "<link rel='\tstylesheet'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with trailing tab",
+"input": "<link rel='stylesheet\t'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading and trailing tab",
+"input": "<link rel='\tstylesheet\t'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading LF",
+"input": "<link rel='\nstylesheet'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with trailing LF",
+"input": "<link rel='stylesheet\n'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading and trailing LF",
+"input": "<link rel='\nstylesheet\n'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading LT",
+"input": "<link rel='\u000Bstylesheet'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with trailing LT",
+"input": "<link rel='stylesheet\u000B'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading and trailing LT",
+"input": "<link rel='\u000Bstylesheet\u000B'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading FF",
+"input": "<link rel='\u000Cstylesheet'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with trailing FF",
+"input": "<link rel='stylesheet\u000C'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading and trailing FF",
+"input": "<link rel='\u000Cstylesheet\u000C'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading CR",
+"input": "<link rel='\rstylesheet'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with trailing CR",
+"input": "<link rel='stylesheet\r'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid single link rel value with leading and trailing CR",
+"input": "<link rel='\rstylesheet\r'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid double link rel value separated by space",
+"input": "<link rel='stylesheet alternate'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid double link rel value separated by tab",
+"input": "<link rel='stylesheet\talternate'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid double link rel value separated by LF",
+"input": "<link rel='stylesheet\nalternate'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid double link rel value separated by LT",
+"input": "<link rel='stylesheet\u000Balternate'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid double link rel value separated by FF",
+"input": "<link rel='stylesheet\u000Calternate'>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid double link rel value separated by CR",
+"input": "<link rel='stylesheet\ralternate'>",
+"fail-if": "invalid-rel"},
+
+{"description": "invalid duplicated link rel value separated by space",
+"input": "<link rel='stylesheet stylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by tab",
+"input": "<link rel='stylesheet\tstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by LF",
+"input": "<link rel='stylesheet\nstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by LT",
+"input": "<link rel='stylesheet\u000Bstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by FF",
+"input": "<link rel='stylesheet\u000Cstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by CR",
+"input": "<link rel='stylesheet\rstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by space",
+"input": "<link rel='stylesheet stylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by tab",
+"input": "<link rel='stylesheet\tstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by LF",
+"input": "<link rel='stylesheet\nstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by LT",
+"input": "<link rel='stylesheet\u000Bstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by FF",
+"input": "<link rel='stylesheet\u000Cstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "invalid duplicated link rel value separated by CR",
+"input": "<link rel='stylesheet\rstylesheet'>",
+"fail-unless": "duplicate-value-in-token-list"},
+
+{"description": "valid link rel value 'feed'",
+"input": "<link rel=feed>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'help'",
+"input": "<link rel=help>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'tag'",
+"input": "<link rel=tag>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'sidebar'",
+"input": "<link rel=sidebar>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'archive'",
+"input": "<link rel=archive>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'contents'",
+"input": "<link rel=contents>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'previous'",
+"input": "<link rel=previous>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'index'",
+"input": "<link rel=index>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'end'",
+"input": "<link rel=end>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'copyright'",
+"input": "<link rel=copyright>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'author'",
+"input": "<link rel=author>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'top'",
+"input": "<link rel=top>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'alternate'",
+"input": "<link rel=alternate>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'next'",
+"input": "<link rel=next>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'start'",
+"input": "<link rel=start>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'stylesheet'",
+"input": "<link rel=stylesheet>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'archives'",
+"input": "<link rel=archives>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'toc'",
+"input": "<link rel=toc>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'prev'",
+"input": "<link rel=prev>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'begin'",
+"input": "<link rel=begin>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'icon'",
+"input": "<link rel=icon>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'search'",
+"input": "<link rel=search>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'last'",
+"input": "<link rel=last>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'license'",
+"input": "<link rel=license>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'pingback'",
+"input": "<link rel=pingback>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'up'",
+"input": "<link rel=up>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'contact'",
+"input": "<link rel=contact>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'prefetch'",
+"input": "<link rel=prefetch>",
+"fail-if": "invalid-rel"},
+
+{"description": "valid link rel value 'first'",
+"input": "<link rel=first>",
+"fail-if": "invalid-rel"}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/ol-start-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/ol-start-attribute.test
new file mode 100755
index 000000000..5e18cbef4
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/ol-start-attribute.test
@@ -0,0 +1,7 @@
+{"tests": [
+
+{"description": "invalid ol start attribute value due to leading junk",
+"input": "<ol start=a1>",
+"fail-unless": "invalid-integer-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/starttags.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/starttags.test
new file mode 100755
index 000000000..0aa5b4d00
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/starttags.test
@@ -0,0 +1,375 @@
+{"tests": [
+
+{"description": "unknown start tag <foo>",
+"input": "<foo>",
+"fail-unless": "unknown-start-tag"},
+
+{"description": "allowed start tag <code>",
+"input": "<code>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <kbd>",
+"input": "<kbd>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <aside>",
+"input": "<aside>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <datagrid>",
+"input": "<datagrid>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <font>",
+"input": "<font>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <noscript>",
+"input": "<noscript>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <style>",
+"input": "<style>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <img>",
+"input": "<img>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <title>",
+"input": "<title>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <menu>",
+"input": "<menu>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <tr>",
+"input": "<tr>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <param>",
+"input": "<param>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <li>",
+"input": "<li>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <source>",
+"input": "<source>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <tfoot>",
+"input": "<tfoot>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <th>",
+"input": "<th>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <td>",
+"input": "<td>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <dl>",
+"input": "<dl>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <blockquote>",
+"input": "<blockquote>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <dd>",
+"input": "<dd>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <abbr>",
+"input": "<abbr>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <dt>",
+"input": "<dt>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <noembed>",
+"input": "<noembed>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <p>",
+"input": "<p>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <small>",
+"input": "<small>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <meter>",
+"input": "<meter>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <em>",
+"input": "<em>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <meta>",
+"input": "<meta>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <video>",
+"input": "<video>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <div>",
+"input": "<div>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <canvas>",
+"input": "<canvas>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <sub>",
+"input": "<sub>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <section>",
+"input": "<section>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <sup>",
+"input": "<sup>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <progress>",
+"input": "<progress>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <body>",
+"input": "<body>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <base>",
+"input": "<base>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <br>",
+"input": "<br>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <address>",
+"input": "<address>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <article>",
+"input": "<article>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <strong>",
+"input": "<strong>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <legend>",
+"input": "<legend>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <event-source>",
+"input": "<event-source>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <ol>",
+"input": "<ol>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <script>",
+"input": "<script>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <caption>",
+"input": "<caption>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <dialog>",
+"input": "<dialog>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <col>",
+"input": "<col>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <h2>",
+"input": "<h2>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <h3>",
+"input": "<h3>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <h1>",
+"input": "<h1>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <h6>",
+"input": "<h6>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <h4>",
+"input": "<h4>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <h5>",
+"input": "<h5>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <header>",
+"input": "<header>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <table>",
+"input": "<table>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <span>",
+"input": "<span>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <area>",
+"input": "<area>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <dfn>",
+"input": "<dfn>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <var>",
+"input": "<var>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <cite>",
+"input": "<cite>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <thead>",
+"input": "<thead>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <head>",
+"input": "<head>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <hr>",
+"input": "<hr>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <link>",
+"input": "<link>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <datatemplate>",
+"input": "<datatemplate>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <b>",
+"input": "<b>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <colgroup>",
+"input": "<colgroup>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <ul>",
+"input": "<ul>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <del>",
+"input": "<del>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <iframe>",
+"input": "<iframe>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <pre>",
+"input": "<pre>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <figure>",
+"input": "<figure>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <ins>",
+"input": "<ins>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <tbody>",
+"input": "<tbody>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <html>",
+"input": "<html>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <nav>",
+"input": "<nav>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <details>",
+"input": "<details>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <samp>",
+"input": "<samp>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <map>",
+"input": "<map>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <nest>",
+"input": "<nest>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <object>",
+"input": "<object>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <a>",
+"input": "<a>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <footer>",
+"input": "<footer>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <i>",
+"input": "<i>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <m>",
+"input": "<m>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <rule>",
+"input": "<rule>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <q>",
+"input": "<q>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <command>",
+"input": "<command>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <time>",
+"input": "<time>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <audio>",
+"input": "<audio>",
+"fail-if": "unknown-start-tag"},
+
+{"description": "allowed start tag <bdo>",
+"input": "<bdo>",
+"fail-if": "unknown-start-tag"}
+
+]}
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/style-scoped-attribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/style-scoped-attribute.test
new file mode 100755
index 000000000..f47795a21
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/style-scoped-attribute.test
@@ -0,0 +1,7 @@
+{"tests": [
+
+{"description": "invalid style scoped attribute value 'inherit'",
+"input": "<style scoped=inherit>",
+"fail-unless": "invalid-boolean-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/tabindexattribute.test b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/tabindexattribute.test
new file mode 100755
index 000000000..02066957b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/testdata/validator/tabindexattribute.test
@@ -0,0 +1,79 @@
+{"tests": [
+
+{"description": "valid tabindex attribute value '-1'",
+"input": "<span tabindex=-1>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value '0'",
+"input": "<span tabindex=0>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value '1'",
+"input": "<span tabindex=1>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value '32768'",
+"input": "<span tabindex=32768>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value '-32768'",
+"input": "<span tabindex=-32768>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with leading spaces",
+"input": "<span tabindex=' -32768'>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with trailing spaces",
+"input": "<span tabindex='-32768 '>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with trailing junk",
+"input": "<span tabindex='32768a'>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with trailing junk and whitespace",
+"input": "<span tabindex='32768a '>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with trailing whitespace and junk",
+"input": "<span tabindex='32768 a'>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with leading spaces",
+"input": "<span tabindex=' 32768'>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with leading spaces (with sign)",
+"input": "<span tabindex=' -32768'>",
+"fail-if": "invalid-integer-value"},
+
+{"description": "invalid tabindex attribute value (blank)",
+"input": "<span tabindex>",
+"fail-unless": "attribute-value-can-not-be-blank"},
+
+{"description": "invalid tabindex attribute value due to leading junk",
+"input": "<span tabindex=a1>",
+"fail-unless": "invalid-integer-value"},
+
+{"description": "invalid tabindex attribute value due to two hyphens",
+"input": "<span tabindex=--1>",
+"fail-unless": "invalid-integer-value"},
+
+{"description": "invalid tabindex attribute value due to non-numeric",
+"input": "<span tabindex=foo>",
+"fail-unless": "invalid-integer-value"},
+
+{"description": "invalid tabindex attribute value due to positive sign",
+"input": "<span tabindex=+1>",
+"fail-unless": "invalid-integer-value"},
+
+{"description": "invalid tabindex attribute value due to decimal point",
+"input": "<span tabindex=.1>",
+"fail-unless": "invalid-integer-value"},
+
+{"description": "valid tabindex attribute value with trailing decimal point",
+"input": "<span tabindex=1.0>",
+"fail-if": "invalid-integer-value"}
+
+]}
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/tokenizertotree.py b/testing/web-platform/tests/tools/html5lib/html5lib/tests/tokenizertotree.py
new file mode 100644
index 000000000..b841c76ce
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/tokenizertotree.py
@@ -0,0 +1,68 @@
+from __future__ import absolute_import, division, unicode_literals
+
+import sys
+import os
+import json
+import re
+
+import html5lib
+from . import support
+from . import test_tokenizer
+
+p = html5lib.HTMLParser()
+
+unnamespaceExpected = re.compile(r"^(\|\s*)<html ([^>]+)>", re.M).sub
+
+
+def main(out_path):
+    if not os.path.exists(out_path):
+        sys.stderr.write("Path %s does not exist" % out_path)
+        sys.exit(1)
+
+    for filename in support.get_data_files('tokenizer', '*.test'):
+        run_file(filename, out_path)
+
+
+def run_file(filename, out_path):
+    try:
+        tests_data = json.load(open(filename, "r"))
+    except ValueError:
+        sys.stderr.write("Failed to load %s\n" % filename)
+        return
+    name = os.path.splitext(os.path.split(filename)[1])[0]
+    output_file = open(os.path.join(out_path, "tokenizer_%s.dat" % name), "w")
+
+    if 'tests' in tests_data:
+        for test_data in tests_data['tests']:
+            if 'initialStates' not in test_data:
+                test_data["initialStates"] = ["Data state"]
+
+            for initial_state in test_data["initialStates"]:
+                if initial_state != "Data state":
+                    # don't support this yet
+                    continue
+                test = make_test(test_data)
+                output_file.write(test)
+
+    output_file.close()
+
+
+def make_test(test_data):
+    if 'doubleEscaped' in test_data:
+        test_data = test_tokenizer.unescape_test(test_data)
+
+    rv = []
+    rv.append("#data")
+    rv.append(test_data["input"].encode("utf8"))
+    rv.append("#errors")
+    tree = p.parse(test_data["input"])
+    output = p.tree.testSerializer(tree)
+    output = "\n".join(("| " + line[3:]) if line.startswith("|  ") else line
+                       for line in output.split("\n"))
+    output = unnamespaceExpected(r"\1<\2>", output)
+    rv.append(output.encode("utf8"))
+    rv.append("")
+    return "\n".join(rv)
+
+if __name__ == "__main__":
+    main(sys.argv[1])
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/us-ascii.html b/testing/web-platform/tests/tools/html5lib/html5lib/tests/us-ascii.html
new file mode 100644
index 000000000..728cb6baf
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/us-ascii.html
@@ -0,0 +1,3 @@
+<!doctype html>
+<title>Test</title>
+<p>Hello World!
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tests/utf-8-bom.html b/testing/web-platform/tests/tools/html5lib/html5lib/tests/utf-8-bom.html
new file mode 100644
index 000000000..6ac5efced
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tests/utf-8-bom.html
@@ -0,0 +1,3 @@
+<!doctype html>
+<title>Test</title>
+<p>Hello World! ©
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/tokenizer.py b/testing/web-platform/tests/tools/html5lib/html5lib/tokenizer.py
new file mode 100644
index 000000000..797745787
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/tokenizer.py
@@ -0,0 +1,1731 @@
+from __future__ import absolute_import, division, unicode_literals
+
+try:
+    chr = unichr # flake8: noqa
+except NameError:
+    pass
+
+from collections import deque
+
+from .constants import spaceCharacters
+from .constants import entities
+from .constants import asciiLetters, asciiUpper2Lower
+from .constants import digits, hexDigits, EOF
+from .constants import tokenTypes, tagTokenTypes
+from .constants import replacementCharacters
+
+from .inputstream import HTMLInputStream
+
+from .trie import Trie
+
+entitiesTrie = Trie(entities)
+
+
+class HTMLTokenizer(object):
+    """ This class takes care of tokenizing HTML.
+
+    * self.currentToken
+      Holds the token that is currently being processed.
+
+    * self.state
+      Holds a reference to the method to be invoked... XXX
+
+    * self.stream
+      Points to HTMLInputStream object.
+    """
+
+    def __init__(self, stream, encoding=None, parseMeta=True, useChardet=True,
+                 lowercaseElementName=True, lowercaseAttrName=True, parser=None):
+
+        self.stream = HTMLInputStream(stream, encoding, parseMeta, useChardet)
+        self.parser = parser
+
+        # Perform case conversions?
+        self.lowercaseElementName = lowercaseElementName
+        self.lowercaseAttrName = lowercaseAttrName
+
+        # Setup the initial tokenizer state
+        self.escapeFlag = False
+        self.lastFourChars = []
+        self.state = self.dataState
+        self.escape = False
+
+        # The current token being created
+        self.currentToken = None
+        super(HTMLTokenizer, self).__init__()
+
+    def __iter__(self):
+        """ This is where the magic happens.
+
+        We do our usually processing through the states and when we have a token
+        to return we yield the token which pauses processing until the next token
+        is requested.
+        """
+        self.tokenQueue = deque([])
+        # Start processing. When EOF is reached self.state will return False
+        # instead of True and the loop will terminate.
+        while self.state():
+            while self.stream.errors:
+                yield {"type": tokenTypes["ParseError"], "data": self.stream.errors.pop(0)}
+            while self.tokenQueue:
+                yield self.tokenQueue.popleft()
+
+    def consumeNumberEntity(self, isHex):
+        """This function returns either U+FFFD or the character based on the
+        decimal or hexadecimal representation. It also discards ";" if present.
+        If not present self.tokenQueue.append({"type": tokenTypes["ParseError"]}) is invoked.
+        """
+
+        allowed = digits
+        radix = 10
+        if isHex:
+            allowed = hexDigits
+            radix = 16
+
+        charStack = []
+
+        # Consume all the characters that are in range while making sure we
+        # don't hit an EOF.
+        c = self.stream.char()
+        while c in allowed and c is not EOF:
+            charStack.append(c)
+            c = self.stream.char()
+
+        # Convert the set of characters consumed to an int.
+        charAsInt = int("".join(charStack), radix)
+
+        # Certain characters get replaced with others
+        if charAsInt in replacementCharacters:
+            char = replacementCharacters[charAsInt]
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "illegal-codepoint-for-numeric-entity",
+                                    "datavars": {"charAsInt": charAsInt}})
+        elif ((0xD800 <= charAsInt <= 0xDFFF) or
+              (charAsInt > 0x10FFFF)):
+            char = "\uFFFD"
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "illegal-codepoint-for-numeric-entity",
+                                    "datavars": {"charAsInt": charAsInt}})
+        else:
+            # Should speed up this check somehow (e.g. move the set to a constant)
+            if ((0x0001 <= charAsInt <= 0x0008) or
+                (0x000E <= charAsInt <= 0x001F) or
+                (0x007F <= charAsInt <= 0x009F) or
+                (0xFDD0 <= charAsInt <= 0xFDEF) or
+                charAsInt in frozenset([0x000B, 0xFFFE, 0xFFFF, 0x1FFFE,
+                                        0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE,
+                                        0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE,
+                                        0x5FFFF, 0x6FFFE, 0x6FFFF, 0x7FFFE,
+                                        0x7FFFF, 0x8FFFE, 0x8FFFF, 0x9FFFE,
+                                        0x9FFFF, 0xAFFFE, 0xAFFFF, 0xBFFFE,
+                                        0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE,
+                                        0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE,
+                                        0xFFFFF, 0x10FFFE, 0x10FFFF])):
+                self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                        "data":
+                                        "illegal-codepoint-for-numeric-entity",
+                                        "datavars": {"charAsInt": charAsInt}})
+            try:
+                # Try/except needed as UCS-2 Python builds' unichar only works
+                # within the BMP.
+                char = chr(charAsInt)
+            except ValueError:
+                v = charAsInt - 0x10000
+                char = chr(0xD800 | (v >> 10)) + chr(0xDC00 | (v & 0x3FF))
+
+        # Discard the ; if present. Otherwise, put it back on the queue and
+        # invoke parseError on parser.
+        if c != ";":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "numeric-entity-without-semicolon"})
+            self.stream.unget(c)
+
+        return char
+
+    def consumeEntity(self, allowedChar=None, fromAttribute=False):
+        # Initialise to the default output for when no entity is matched
+        output = "&"
+
+        charStack = [self.stream.char()]
+        if (charStack[0] in spaceCharacters or charStack[0] in (EOF, "<", "&")
+                or (allowedChar is not None and allowedChar == charStack[0])):
+            self.stream.unget(charStack[0])
+
+        elif charStack[0] == "#":
+            # Read the next character to see if it's hex or decimal
+            hex = False
+            charStack.append(self.stream.char())
+            if charStack[-1] in ("x", "X"):
+                hex = True
+                charStack.append(self.stream.char())
+
+            # charStack[-1] should be the first digit
+            if (hex and charStack[-1] in hexDigits) \
+                    or (not hex and charStack[-1] in digits):
+                # At least one digit found, so consume the whole number
+                self.stream.unget(charStack[-1])
+                output = self.consumeNumberEntity(hex)
+            else:
+                # No digits found
+                self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                        "data": "expected-numeric-entity"})
+                self.stream.unget(charStack.pop())
+                output = "&" + "".join(charStack)
+
+        else:
+            # At this point in the process might have named entity. Entities
+            # are stored in the global variable "entities".
+            #
+            # Consume characters and compare to these to a substring of the
+            # entity names in the list until the substring no longer matches.
+            while (charStack[-1] is not EOF):
+                if not entitiesTrie.has_keys_with_prefix("".join(charStack)):
+                    break
+                charStack.append(self.stream.char())
+
+            # At this point we have a string that starts with some characters
+            # that may match an entity
+            # Try to find the longest entity the string will match to take care
+            # of &noti for instance.
+            try:
+                entityName = entitiesTrie.longest_prefix("".join(charStack[:-1]))
+                entityLength = len(entityName)
+            except KeyError:
+                entityName = None
+
+            if entityName is not None:
+                if entityName[-1] != ";":
+                    self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                            "named-entity-without-semicolon"})
+                if (entityName[-1] != ";" and fromAttribute and
+                    (charStack[entityLength] in asciiLetters or
+                     charStack[entityLength] in digits or
+                     charStack[entityLength] == "=")):
+                    self.stream.unget(charStack.pop())
+                    output = "&" + "".join(charStack)
+                else:
+                    output = entities[entityName]
+                    self.stream.unget(charStack.pop())
+                    output += "".join(charStack[entityLength:])
+            else:
+                self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                        "expected-named-entity"})
+                self.stream.unget(charStack.pop())
+                output = "&" + "".join(charStack)
+
+        if fromAttribute:
+            self.currentToken["data"][-1][1] += output
+        else:
+            if output in spaceCharacters:
+                tokenType = "SpaceCharacters"
+            else:
+                tokenType = "Characters"
+            self.tokenQueue.append({"type": tokenTypes[tokenType], "data": output})
+
+    def processEntityInAttribute(self, allowedChar):
+        """This method replaces the need for "entityInAttributeValueState".
+        """
+        self.consumeEntity(allowedChar=allowedChar, fromAttribute=True)
+
+    def emitCurrentToken(self):
+        """This method is a generic handler for emitting the tags. It also sets
+        the state to "data" because that's what's needed after a token has been
+        emitted.
+        """
+        token = self.currentToken
+        # Add token to the queue to be yielded
+        if (token["type"] in tagTokenTypes):
+            if self.lowercaseElementName:
+                token["name"] = token["name"].translate(asciiUpper2Lower)
+            if token["type"] == tokenTypes["EndTag"]:
+                if token["data"]:
+                    self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                            "data": "attributes-in-end-tag"})
+                if token["selfClosing"]:
+                    self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                            "data": "self-closing-flag-on-end-tag"})
+        self.tokenQueue.append(token)
+        self.state = self.dataState
+
+    # Below are the various tokenizer states worked out.
+    def dataState(self):
+        data = self.stream.char()
+        if data == "&":
+            self.state = self.entityDataState
+        elif data == "<":
+            self.state = self.tagOpenState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\u0000"})
+        elif data is EOF:
+            # Tokenization ends.
+            return False
+        elif data in spaceCharacters:
+            # Directly after emitting a token you switch back to the "data
+            # state". At that point spaceCharacters are important so they are
+            # emitted separately.
+            self.tokenQueue.append({"type": tokenTypes["SpaceCharacters"], "data":
+                                    data + self.stream.charsUntil(spaceCharacters, True)})
+            # No need to update lastFourChars here, since the first space will
+            # have already been appended to lastFourChars and will have broken
+            # any <!-- or --> sequences
+        else:
+            chars = self.stream.charsUntil(("&", "<", "\u0000"))
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data":
+                                    data + chars})
+        return True
+
+    def entityDataState(self):
+        self.consumeEntity()
+        self.state = self.dataState
+        return True
+
+    def rcdataState(self):
+        data = self.stream.char()
+        if data == "&":
+            self.state = self.characterReferenceInRcdata
+        elif data == "<":
+            self.state = self.rcdataLessThanSignState
+        elif data == EOF:
+            # Tokenization ends.
+            return False
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+        elif data in spaceCharacters:
+            # Directly after emitting a token you switch back to the "data
+            # state". At that point spaceCharacters are important so they are
+            # emitted separately.
+            self.tokenQueue.append({"type": tokenTypes["SpaceCharacters"], "data":
+                                    data + self.stream.charsUntil(spaceCharacters, True)})
+            # No need to update lastFourChars here, since the first space will
+            # have already been appended to lastFourChars and will have broken
+            # any <!-- or --> sequences
+        else:
+            chars = self.stream.charsUntil(("&", "<", "\u0000"))
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data":
+                                    data + chars})
+        return True
+
+    def characterReferenceInRcdata(self):
+        self.consumeEntity()
+        self.state = self.rcdataState
+        return True
+
+    def rawtextState(self):
+        data = self.stream.char()
+        if data == "<":
+            self.state = self.rawtextLessThanSignState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+        elif data == EOF:
+            # Tokenization ends.
+            return False
+        else:
+            chars = self.stream.charsUntil(("<", "\u0000"))
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data":
+                                    data + chars})
+        return True
+
+    def scriptDataState(self):
+        data = self.stream.char()
+        if data == "<":
+            self.state = self.scriptDataLessThanSignState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+        elif data == EOF:
+            # Tokenization ends.
+            return False
+        else:
+            chars = self.stream.charsUntil(("<", "\u0000"))
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data":
+                                    data + chars})
+        return True
+
+    def plaintextState(self):
+        data = self.stream.char()
+        if data == EOF:
+            # Tokenization ends.
+            return False
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data":
+                                    data + self.stream.charsUntil("\u0000")})
+        return True
+
+    def tagOpenState(self):
+        data = self.stream.char()
+        if data == "!":
+            self.state = self.markupDeclarationOpenState
+        elif data == "/":
+            self.state = self.closeTagOpenState
+        elif data in asciiLetters:
+            self.currentToken = {"type": tokenTypes["StartTag"],
+                                 "name": data, "data": [],
+                                 "selfClosing": False,
+                                 "selfClosingAcknowledged": False}
+            self.state = self.tagNameState
+        elif data == ">":
+            # XXX In theory it could be something besides a tag name. But
+            # do we really care?
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-tag-name-but-got-right-bracket"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<>"})
+            self.state = self.dataState
+        elif data == "?":
+            # XXX In theory it could be something besides a tag name. But
+            # do we really care?
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-tag-name-but-got-question-mark"})
+            self.stream.unget(data)
+            self.state = self.bogusCommentState
+        else:
+            # XXX
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-tag-name"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.stream.unget(data)
+            self.state = self.dataState
+        return True
+
+    def closeTagOpenState(self):
+        data = self.stream.char()
+        if data in asciiLetters:
+            self.currentToken = {"type": tokenTypes["EndTag"], "name": data,
+                                 "data": [], "selfClosing": False}
+            self.state = self.tagNameState
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-closing-tag-but-got-right-bracket"})
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-closing-tag-but-got-eof"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"})
+            self.state = self.dataState
+        else:
+            # XXX data can be _'_...
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-closing-tag-but-got-char",
+                                    "datavars": {"data": data}})
+            self.stream.unget(data)
+            self.state = self.bogusCommentState
+        return True
+
+    def tagNameState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.state = self.beforeAttributeNameState
+        elif data == ">":
+            self.emitCurrentToken()
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-tag-name"})
+            self.state = self.dataState
+        elif data == "/":
+            self.state = self.selfClosingStartTagState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["name"] += "\uFFFD"
+        else:
+            self.currentToken["name"] += data
+            # (Don't use charsUntil here, because tag names are
+            # very short and it's faster to not do anything fancy)
+        return True
+
+    def rcdataLessThanSignState(self):
+        data = self.stream.char()
+        if data == "/":
+            self.temporaryBuffer = ""
+            self.state = self.rcdataEndTagOpenState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.stream.unget(data)
+            self.state = self.rcdataState
+        return True
+
+    def rcdataEndTagOpenState(self):
+        data = self.stream.char()
+        if data in asciiLetters:
+            self.temporaryBuffer += data
+            self.state = self.rcdataEndTagNameState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"})
+            self.stream.unget(data)
+            self.state = self.rcdataState
+        return True
+
+    def rcdataEndTagNameState(self):
+        appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower()
+        data = self.stream.char()
+        if data in spaceCharacters and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.beforeAttributeNameState
+        elif data == "/" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.selfClosingStartTagState
+        elif data == ">" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.emitCurrentToken()
+            self.state = self.dataState
+        elif data in asciiLetters:
+            self.temporaryBuffer += data
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "</" + self.temporaryBuffer})
+            self.stream.unget(data)
+            self.state = self.rcdataState
+        return True
+
+    def rawtextLessThanSignState(self):
+        data = self.stream.char()
+        if data == "/":
+            self.temporaryBuffer = ""
+            self.state = self.rawtextEndTagOpenState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.stream.unget(data)
+            self.state = self.rawtextState
+        return True
+
+    def rawtextEndTagOpenState(self):
+        data = self.stream.char()
+        if data in asciiLetters:
+            self.temporaryBuffer += data
+            self.state = self.rawtextEndTagNameState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"})
+            self.stream.unget(data)
+            self.state = self.rawtextState
+        return True
+
+    def rawtextEndTagNameState(self):
+        appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower()
+        data = self.stream.char()
+        if data in spaceCharacters and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.beforeAttributeNameState
+        elif data == "/" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.selfClosingStartTagState
+        elif data == ">" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.emitCurrentToken()
+            self.state = self.dataState
+        elif data in asciiLetters:
+            self.temporaryBuffer += data
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "</" + self.temporaryBuffer})
+            self.stream.unget(data)
+            self.state = self.rawtextState
+        return True
+
+    def scriptDataLessThanSignState(self):
+        data = self.stream.char()
+        if data == "/":
+            self.temporaryBuffer = ""
+            self.state = self.scriptDataEndTagOpenState
+        elif data == "!":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<!"})
+            self.state = self.scriptDataEscapeStartState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.stream.unget(data)
+            self.state = self.scriptDataState
+        return True
+
+    def scriptDataEndTagOpenState(self):
+        data = self.stream.char()
+        if data in asciiLetters:
+            self.temporaryBuffer += data
+            self.state = self.scriptDataEndTagNameState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"})
+            self.stream.unget(data)
+            self.state = self.scriptDataState
+        return True
+
+    def scriptDataEndTagNameState(self):
+        appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower()
+        data = self.stream.char()
+        if data in spaceCharacters and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.beforeAttributeNameState
+        elif data == "/" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.selfClosingStartTagState
+        elif data == ">" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.emitCurrentToken()
+            self.state = self.dataState
+        elif data in asciiLetters:
+            self.temporaryBuffer += data
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "</" + self.temporaryBuffer})
+            self.stream.unget(data)
+            self.state = self.scriptDataState
+        return True
+
+    def scriptDataEscapeStartState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+            self.state = self.scriptDataEscapeStartDashState
+        else:
+            self.stream.unget(data)
+            self.state = self.scriptDataState
+        return True
+
+    def scriptDataEscapeStartDashState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+            self.state = self.scriptDataEscapedDashDashState
+        else:
+            self.stream.unget(data)
+            self.state = self.scriptDataState
+        return True
+
+    def scriptDataEscapedState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+            self.state = self.scriptDataEscapedDashState
+        elif data == "<":
+            self.state = self.scriptDataEscapedLessThanSignState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+        elif data == EOF:
+            self.state = self.dataState
+        else:
+            chars = self.stream.charsUntil(("<", "-", "\u0000"))
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data":
+                                    data + chars})
+        return True
+
+    def scriptDataEscapedDashState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+            self.state = self.scriptDataEscapedDashDashState
+        elif data == "<":
+            self.state = self.scriptDataEscapedLessThanSignState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+            self.state = self.scriptDataEscapedState
+        elif data == EOF:
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            self.state = self.scriptDataEscapedState
+        return True
+
+    def scriptDataEscapedDashDashState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+        elif data == "<":
+            self.state = self.scriptDataEscapedLessThanSignState
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": ">"})
+            self.state = self.scriptDataState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+            self.state = self.scriptDataEscapedState
+        elif data == EOF:
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            self.state = self.scriptDataEscapedState
+        return True
+
+    def scriptDataEscapedLessThanSignState(self):
+        data = self.stream.char()
+        if data == "/":
+            self.temporaryBuffer = ""
+            self.state = self.scriptDataEscapedEndTagOpenState
+        elif data in asciiLetters:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<" + data})
+            self.temporaryBuffer = data
+            self.state = self.scriptDataDoubleEscapeStartState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.stream.unget(data)
+            self.state = self.scriptDataEscapedState
+        return True
+
+    def scriptDataEscapedEndTagOpenState(self):
+        data = self.stream.char()
+        if data in asciiLetters:
+            self.temporaryBuffer = data
+            self.state = self.scriptDataEscapedEndTagNameState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "</"})
+            self.stream.unget(data)
+            self.state = self.scriptDataEscapedState
+        return True
+
+    def scriptDataEscapedEndTagNameState(self):
+        appropriate = self.currentToken and self.currentToken["name"].lower() == self.temporaryBuffer.lower()
+        data = self.stream.char()
+        if data in spaceCharacters and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.beforeAttributeNameState
+        elif data == "/" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.state = self.selfClosingStartTagState
+        elif data == ">" and appropriate:
+            self.currentToken = {"type": tokenTypes["EndTag"],
+                                 "name": self.temporaryBuffer,
+                                 "data": [], "selfClosing": False}
+            self.emitCurrentToken()
+            self.state = self.dataState
+        elif data in asciiLetters:
+            self.temporaryBuffer += data
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "</" + self.temporaryBuffer})
+            self.stream.unget(data)
+            self.state = self.scriptDataEscapedState
+        return True
+
+    def scriptDataDoubleEscapeStartState(self):
+        data = self.stream.char()
+        if data in (spaceCharacters | frozenset(("/", ">"))):
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            if self.temporaryBuffer.lower() == "script":
+                self.state = self.scriptDataDoubleEscapedState
+            else:
+                self.state = self.scriptDataEscapedState
+        elif data in asciiLetters:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            self.temporaryBuffer += data
+        else:
+            self.stream.unget(data)
+            self.state = self.scriptDataEscapedState
+        return True
+
+    def scriptDataDoubleEscapedState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+            self.state = self.scriptDataDoubleEscapedDashState
+        elif data == "<":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.state = self.scriptDataDoubleEscapedLessThanSignState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+        elif data == EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-script-in-script"})
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+        return True
+
+    def scriptDataDoubleEscapedDashState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+            self.state = self.scriptDataDoubleEscapedDashDashState
+        elif data == "<":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.state = self.scriptDataDoubleEscapedLessThanSignState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+            self.state = self.scriptDataDoubleEscapedState
+        elif data == EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-script-in-script"})
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            self.state = self.scriptDataDoubleEscapedState
+        return True
+
+    def scriptDataDoubleEscapedDashDashState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "-"})
+        elif data == "<":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "<"})
+            self.state = self.scriptDataDoubleEscapedLessThanSignState
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": ">"})
+            self.state = self.scriptDataState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": "\uFFFD"})
+            self.state = self.scriptDataDoubleEscapedState
+        elif data == EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-script-in-script"})
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            self.state = self.scriptDataDoubleEscapedState
+        return True
+
+    def scriptDataDoubleEscapedLessThanSignState(self):
+        data = self.stream.char()
+        if data == "/":
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": "/"})
+            self.temporaryBuffer = ""
+            self.state = self.scriptDataDoubleEscapeEndState
+        else:
+            self.stream.unget(data)
+            self.state = self.scriptDataDoubleEscapedState
+        return True
+
+    def scriptDataDoubleEscapeEndState(self):
+        data = self.stream.char()
+        if data in (spaceCharacters | frozenset(("/", ">"))):
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            if self.temporaryBuffer.lower() == "script":
+                self.state = self.scriptDataEscapedState
+            else:
+                self.state = self.scriptDataDoubleEscapedState
+        elif data in asciiLetters:
+            self.tokenQueue.append({"type": tokenTypes["Characters"], "data": data})
+            self.temporaryBuffer += data
+        else:
+            self.stream.unget(data)
+            self.state = self.scriptDataDoubleEscapedState
+        return True
+
+    def beforeAttributeNameState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.stream.charsUntil(spaceCharacters, True)
+        elif data in asciiLetters:
+            self.currentToken["data"].append([data, ""])
+            self.state = self.attributeNameState
+        elif data == ">":
+            self.emitCurrentToken()
+        elif data == "/":
+            self.state = self.selfClosingStartTagState
+        elif data in ("'", '"', "=", "<"):
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "invalid-character-in-attribute-name"})
+            self.currentToken["data"].append([data, ""])
+            self.state = self.attributeNameState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"].append(["\uFFFD", ""])
+            self.state = self.attributeNameState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-attribute-name-but-got-eof"})
+            self.state = self.dataState
+        else:
+            self.currentToken["data"].append([data, ""])
+            self.state = self.attributeNameState
+        return True
+
+    def attributeNameState(self):
+        data = self.stream.char()
+        leavingThisState = True
+        emitToken = False
+        if data == "=":
+            self.state = self.beforeAttributeValueState
+        elif data in asciiLetters:
+            self.currentToken["data"][-1][0] += data +\
+                self.stream.charsUntil(asciiLetters, True)
+            leavingThisState = False
+        elif data == ">":
+            # XXX If we emit here the attributes are converted to a dict
+            # without being checked and when the code below runs we error
+            # because data is a dict not a list
+            emitToken = True
+        elif data in spaceCharacters:
+            self.state = self.afterAttributeNameState
+        elif data == "/":
+            self.state = self.selfClosingStartTagState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"][-1][0] += "\uFFFD"
+            leavingThisState = False
+        elif data in ("'", '"', "<"):
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data":
+                                    "invalid-character-in-attribute-name"})
+            self.currentToken["data"][-1][0] += data
+            leavingThisState = False
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "eof-in-attribute-name"})
+            self.state = self.dataState
+        else:
+            self.currentToken["data"][-1][0] += data
+            leavingThisState = False
+
+        if leavingThisState:
+            # Attributes are not dropped at this stage. That happens when the
+            # start tag token is emitted so values can still be safely appended
+            # to attributes, but we do want to report the parse error in time.
+            if self.lowercaseAttrName:
+                self.currentToken["data"][-1][0] = (
+                    self.currentToken["data"][-1][0].translate(asciiUpper2Lower))
+            for name, value in self.currentToken["data"][:-1]:
+                if self.currentToken["data"][-1][0] == name:
+                    self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                            "duplicate-attribute"})
+                    break
+            # XXX Fix for above XXX
+            if emitToken:
+                self.emitCurrentToken()
+        return True
+
+    def afterAttributeNameState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.stream.charsUntil(spaceCharacters, True)
+        elif data == "=":
+            self.state = self.beforeAttributeValueState
+        elif data == ">":
+            self.emitCurrentToken()
+        elif data in asciiLetters:
+            self.currentToken["data"].append([data, ""])
+            self.state = self.attributeNameState
+        elif data == "/":
+            self.state = self.selfClosingStartTagState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"].append(["\uFFFD", ""])
+            self.state = self.attributeNameState
+        elif data in ("'", '"', "<"):
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "invalid-character-after-attribute-name"})
+            self.currentToken["data"].append([data, ""])
+            self.state = self.attributeNameState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-end-of-tag-but-got-eof"})
+            self.state = self.dataState
+        else:
+            self.currentToken["data"].append([data, ""])
+            self.state = self.attributeNameState
+        return True
+
+    def beforeAttributeValueState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.stream.charsUntil(spaceCharacters, True)
+        elif data == "\"":
+            self.state = self.attributeValueDoubleQuotedState
+        elif data == "&":
+            self.state = self.attributeValueUnQuotedState
+            self.stream.unget(data)
+        elif data == "'":
+            self.state = self.attributeValueSingleQuotedState
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-attribute-value-but-got-right-bracket"})
+            self.emitCurrentToken()
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"][-1][1] += "\uFFFD"
+            self.state = self.attributeValueUnQuotedState
+        elif data in ("=", "<", "`"):
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "equals-in-unquoted-attribute-value"})
+            self.currentToken["data"][-1][1] += data
+            self.state = self.attributeValueUnQuotedState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-attribute-value-but-got-eof"})
+            self.state = self.dataState
+        else:
+            self.currentToken["data"][-1][1] += data
+            self.state = self.attributeValueUnQuotedState
+        return True
+
+    def attributeValueDoubleQuotedState(self):
+        data = self.stream.char()
+        if data == "\"":
+            self.state = self.afterAttributeValueState
+        elif data == "&":
+            self.processEntityInAttribute('"')
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"][-1][1] += "\uFFFD"
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-attribute-value-double-quote"})
+            self.state = self.dataState
+        else:
+            self.currentToken["data"][-1][1] += data +\
+                self.stream.charsUntil(("\"", "&", "\u0000"))
+        return True
+
+    def attributeValueSingleQuotedState(self):
+        data = self.stream.char()
+        if data == "'":
+            self.state = self.afterAttributeValueState
+        elif data == "&":
+            self.processEntityInAttribute("'")
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"][-1][1] += "\uFFFD"
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-attribute-value-single-quote"})
+            self.state = self.dataState
+        else:
+            self.currentToken["data"][-1][1] += data +\
+                self.stream.charsUntil(("'", "&", "\u0000"))
+        return True
+
+    def attributeValueUnQuotedState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.state = self.beforeAttributeNameState
+        elif data == "&":
+            self.processEntityInAttribute(">")
+        elif data == ">":
+            self.emitCurrentToken()
+        elif data in ('"', "'", "=", "<", "`"):
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-character-in-unquoted-attribute-value"})
+            self.currentToken["data"][-1][1] += data
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"][-1][1] += "\uFFFD"
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-attribute-value-no-quotes"})
+            self.state = self.dataState
+        else:
+            self.currentToken["data"][-1][1] += data + self.stream.charsUntil(
+                frozenset(("&", ">", '"', "'", "=", "<", "`", "\u0000")) | spaceCharacters)
+        return True
+
+    def afterAttributeValueState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.state = self.beforeAttributeNameState
+        elif data == ">":
+            self.emitCurrentToken()
+        elif data == "/":
+            self.state = self.selfClosingStartTagState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-EOF-after-attribute-value"})
+            self.stream.unget(data)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-character-after-attribute-value"})
+            self.stream.unget(data)
+            self.state = self.beforeAttributeNameState
+        return True
+
+    def selfClosingStartTagState(self):
+        data = self.stream.char()
+        if data == ">":
+            self.currentToken["selfClosing"] = True
+            self.emitCurrentToken()
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data":
+                                    "unexpected-EOF-after-solidus-in-tag"})
+            self.stream.unget(data)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-character-after-solidus-in-tag"})
+            self.stream.unget(data)
+            self.state = self.beforeAttributeNameState
+        return True
+
+    def bogusCommentState(self):
+        # Make a new comment token and give it as value all the characters
+        # until the first > or EOF (charsUntil checks for EOF automatically)
+        # and emit it.
+        data = self.stream.charsUntil(">")
+        data = data.replace("\u0000", "\uFFFD")
+        self.tokenQueue.append(
+            {"type": tokenTypes["Comment"], "data": data})
+
+        # Eat the character directly after the bogus comment which is either a
+        # ">" or an EOF.
+        self.stream.char()
+        self.state = self.dataState
+        return True
+
+    def markupDeclarationOpenState(self):
+        charStack = [self.stream.char()]
+        if charStack[-1] == "-":
+            charStack.append(self.stream.char())
+            if charStack[-1] == "-":
+                self.currentToken = {"type": tokenTypes["Comment"], "data": ""}
+                self.state = self.commentStartState
+                return True
+        elif charStack[-1] in ('d', 'D'):
+            matched = True
+            for expected in (('o', 'O'), ('c', 'C'), ('t', 'T'),
+                             ('y', 'Y'), ('p', 'P'), ('e', 'E')):
+                charStack.append(self.stream.char())
+                if charStack[-1] not in expected:
+                    matched = False
+                    break
+            if matched:
+                self.currentToken = {"type": tokenTypes["Doctype"],
+                                     "name": "",
+                                     "publicId": None, "systemId": None,
+                                     "correct": True}
+                self.state = self.doctypeState
+                return True
+        elif (charStack[-1] == "[" and
+              self.parser is not None and
+              self.parser.tree.openElements and
+              self.parser.tree.openElements[-1].namespace != self.parser.tree.defaultNamespace):
+            matched = True
+            for expected in ["C", "D", "A", "T", "A", "["]:
+                charStack.append(self.stream.char())
+                if charStack[-1] != expected:
+                    matched = False
+                    break
+            if matched:
+                self.state = self.cdataSectionState
+                return True
+
+        self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                "expected-dashes-or-doctype"})
+
+        while charStack:
+            self.stream.unget(charStack.pop())
+        self.state = self.bogusCommentState
+        return True
+
+    def commentStartState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.state = self.commentStartDashState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"] += "\uFFFD"
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "incorrect-comment"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-comment"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["data"] += data
+            self.state = self.commentState
+        return True
+
+    def commentStartDashState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.state = self.commentEndState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"] += "-\uFFFD"
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "incorrect-comment"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-comment"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["data"] += "-" + data
+            self.state = self.commentState
+        return True
+
+    def commentState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.state = self.commentEndDashState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"] += "\uFFFD"
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "eof-in-comment"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["data"] += data + \
+                self.stream.charsUntil(("-", "\u0000"))
+        return True
+
+    def commentEndDashState(self):
+        data = self.stream.char()
+        if data == "-":
+            self.state = self.commentEndState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"] += "-\uFFFD"
+            self.state = self.commentState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-comment-end-dash"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["data"] += "-" + data
+            self.state = self.commentState
+        return True
+
+    def commentEndState(self):
+        data = self.stream.char()
+        if data == ">":
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"] += "--\uFFFD"
+            self.state = self.commentState
+        elif data == "!":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-bang-after-double-dash-in-comment"})
+            self.state = self.commentEndBangState
+        elif data == "-":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-dash-after-double-dash-in-comment"})
+            self.currentToken["data"] += data
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-comment-double-dash"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            # XXX
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-comment"})
+            self.currentToken["data"] += "--" + data
+            self.state = self.commentState
+        return True
+
+    def commentEndBangState(self):
+        data = self.stream.char()
+        if data == ">":
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data == "-":
+            self.currentToken["data"] += "--!"
+            self.state = self.commentEndDashState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["data"] += "--!\uFFFD"
+            self.state = self.commentState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-comment-end-bang-state"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["data"] += "--!" + data
+            self.state = self.commentState
+        return True
+
+    def doctypeState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.state = self.beforeDoctypeNameState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-doctype-name-but-got-eof"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "need-space-after-doctype"})
+            self.stream.unget(data)
+            self.state = self.beforeDoctypeNameState
+        return True
+
+    def beforeDoctypeNameState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            pass
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-doctype-name-but-got-right-bracket"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["name"] = "\uFFFD"
+            self.state = self.doctypeNameState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-doctype-name-but-got-eof"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["name"] = data
+            self.state = self.doctypeNameState
+        return True
+
+    def doctypeNameState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower)
+            self.state = self.afterDoctypeNameState
+        elif data == ">":
+            self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower)
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["name"] += "\uFFFD"
+            self.state = self.doctypeNameState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype-name"})
+            self.currentToken["correct"] = False
+            self.currentToken["name"] = self.currentToken["name"].translate(asciiUpper2Lower)
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["name"] += data
+        return True
+
+    def afterDoctypeNameState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            pass
+        elif data == ">":
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.currentToken["correct"] = False
+            self.stream.unget(data)
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            if data in ("p", "P"):
+                matched = True
+                for expected in (("u", "U"), ("b", "B"), ("l", "L"),
+                                 ("i", "I"), ("c", "C")):
+                    data = self.stream.char()
+                    if data not in expected:
+                        matched = False
+                        break
+                if matched:
+                    self.state = self.afterDoctypePublicKeywordState
+                    return True
+            elif data in ("s", "S"):
+                matched = True
+                for expected in (("y", "Y"), ("s", "S"), ("t", "T"),
+                                 ("e", "E"), ("m", "M")):
+                    data = self.stream.char()
+                    if data not in expected:
+                        matched = False
+                        break
+                if matched:
+                    self.state = self.afterDoctypeSystemKeywordState
+                    return True
+
+            # All the characters read before the current 'data' will be
+            # [a-zA-Z], so they're garbage in the bogus doctype and can be
+            # discarded; only the latest character might be '>' or EOF
+            # and needs to be ungetted
+            self.stream.unget(data)
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "expected-space-or-right-bracket-in-doctype", "datavars":
+                                    {"data": data}})
+            self.currentToken["correct"] = False
+            self.state = self.bogusDoctypeState
+
+        return True
+
+    def afterDoctypePublicKeywordState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.state = self.beforeDoctypePublicIdentifierState
+        elif data in ("'", '"'):
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.stream.unget(data)
+            self.state = self.beforeDoctypePublicIdentifierState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.stream.unget(data)
+            self.state = self.beforeDoctypePublicIdentifierState
+        return True
+
+    def beforeDoctypePublicIdentifierState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            pass
+        elif data == "\"":
+            self.currentToken["publicId"] = ""
+            self.state = self.doctypePublicIdentifierDoubleQuotedState
+        elif data == "'":
+            self.currentToken["publicId"] = ""
+            self.state = self.doctypePublicIdentifierSingleQuotedState
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-end-of-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.currentToken["correct"] = False
+            self.state = self.bogusDoctypeState
+        return True
+
+    def doctypePublicIdentifierDoubleQuotedState(self):
+        data = self.stream.char()
+        if data == "\"":
+            self.state = self.afterDoctypePublicIdentifierState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["publicId"] += "\uFFFD"
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-end-of-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["publicId"] += data
+        return True
+
+    def doctypePublicIdentifierSingleQuotedState(self):
+        data = self.stream.char()
+        if data == "'":
+            self.state = self.afterDoctypePublicIdentifierState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["publicId"] += "\uFFFD"
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-end-of-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["publicId"] += data
+        return True
+
+    def afterDoctypePublicIdentifierState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.state = self.betweenDoctypePublicAndSystemIdentifiersState
+        elif data == ">":
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data == '"':
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.currentToken["systemId"] = ""
+            self.state = self.doctypeSystemIdentifierDoubleQuotedState
+        elif data == "'":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.currentToken["systemId"] = ""
+            self.state = self.doctypeSystemIdentifierSingleQuotedState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.currentToken["correct"] = False
+            self.state = self.bogusDoctypeState
+        return True
+
+    def betweenDoctypePublicAndSystemIdentifiersState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            pass
+        elif data == ">":
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data == '"':
+            self.currentToken["systemId"] = ""
+            self.state = self.doctypeSystemIdentifierDoubleQuotedState
+        elif data == "'":
+            self.currentToken["systemId"] = ""
+            self.state = self.doctypeSystemIdentifierSingleQuotedState
+        elif data == EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.currentToken["correct"] = False
+            self.state = self.bogusDoctypeState
+        return True
+
+    def afterDoctypeSystemKeywordState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            self.state = self.beforeDoctypeSystemIdentifierState
+        elif data in ("'", '"'):
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.stream.unget(data)
+            self.state = self.beforeDoctypeSystemIdentifierState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.stream.unget(data)
+            self.state = self.beforeDoctypeSystemIdentifierState
+        return True
+
+    def beforeDoctypeSystemIdentifierState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            pass
+        elif data == "\"":
+            self.currentToken["systemId"] = ""
+            self.state = self.doctypeSystemIdentifierDoubleQuotedState
+        elif data == "'":
+            self.currentToken["systemId"] = ""
+            self.state = self.doctypeSystemIdentifierSingleQuotedState
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.currentToken["correct"] = False
+            self.state = self.bogusDoctypeState
+        return True
+
+    def doctypeSystemIdentifierDoubleQuotedState(self):
+        data = self.stream.char()
+        if data == "\"":
+            self.state = self.afterDoctypeSystemIdentifierState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["systemId"] += "\uFFFD"
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-end-of-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["systemId"] += data
+        return True
+
+    def doctypeSystemIdentifierSingleQuotedState(self):
+        data = self.stream.char()
+        if data == "'":
+            self.state = self.afterDoctypeSystemIdentifierState
+        elif data == "\u0000":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                    "data": "invalid-codepoint"})
+            self.currentToken["systemId"] += "\uFFFD"
+        elif data == ">":
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-end-of-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.currentToken["systemId"] += data
+        return True
+
+    def afterDoctypeSystemIdentifierState(self):
+        data = self.stream.char()
+        if data in spaceCharacters:
+            pass
+        elif data == ">":
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "eof-in-doctype"})
+            self.currentToken["correct"] = False
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            self.tokenQueue.append({"type": tokenTypes["ParseError"], "data":
+                                    "unexpected-char-in-doctype"})
+            self.state = self.bogusDoctypeState
+        return True
+
+    def bogusDoctypeState(self):
+        data = self.stream.char()
+        if data == ">":
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        elif data is EOF:
+            # XXX EMIT
+            self.stream.unget(data)
+            self.tokenQueue.append(self.currentToken)
+            self.state = self.dataState
+        else:
+            pass
+        return True
+
+    def cdataSectionState(self):
+        data = []
+        while True:
+            data.append(self.stream.charsUntil("]"))
+            data.append(self.stream.charsUntil(">"))
+            char = self.stream.char()
+            if char == EOF:
+                break
+            else:
+                assert char == ">"
+                if data[-1][-2:] == "]]":
+                    data[-1] = data[-1][:-2]
+                    break
+                else:
+                    data.append(char)
+
+        data = "".join(data)
+        # Deal with null here rather than in the parser
+        nullCount = data.count("\u0000")
+        if nullCount > 0:
+            for i in range(nullCount):
+                self.tokenQueue.append({"type": tokenTypes["ParseError"],
+                                        "data": "invalid-codepoint"})
+            data = data.replace("\u0000", "\uFFFD")
+        if data:
+            self.tokenQueue.append({"type": tokenTypes["Characters"],
+                                    "data": data})
+        self.state = self.dataState
+        return True
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treeadapters/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/treeadapters/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treeadapters/__init__.py
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treeadapters/sax.py b/testing/web-platform/tests/tools/html5lib/html5lib/treeadapters/sax.py
new file mode 100644
index 000000000..ad47df956
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treeadapters/sax.py
@@ -0,0 +1,44 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from xml.sax.xmlreader import AttributesNSImpl
+
+from ..constants import adjustForeignAttributes, unadjustForeignAttributes
+
+prefix_mapping = {}
+for prefix, localName, namespace in adjustForeignAttributes.values():
+    if prefix is not None:
+        prefix_mapping[prefix] = namespace
+
+
+def to_sax(walker, handler):
+    """Call SAX-like content handler based on treewalker walker"""
+    handler.startDocument()
+    for prefix, namespace in prefix_mapping.items():
+        handler.startPrefixMapping(prefix, namespace)
+
+    for token in walker:
+        type = token["type"]
+        if type == "Doctype":
+            continue
+        elif type in ("StartTag", "EmptyTag"):
+            attrs = AttributesNSImpl(token["data"],
+                                     unadjustForeignAttributes)
+            handler.startElementNS((token["namespace"], token["name"]),
+                                   token["name"],
+                                   attrs)
+            if type == "EmptyTag":
+                handler.endElementNS((token["namespace"], token["name"]),
+                                     token["name"])
+        elif type == "EndTag":
+            handler.endElementNS((token["namespace"], token["name"]),
+                                 token["name"])
+        elif type in ("Characters", "SpaceCharacters"):
+            handler.characters(token["data"])
+        elif type == "Comment":
+            pass
+        else:
+            assert False, "Unknown token type"
+
+    for prefix, namespace in prefix_mapping.items():
+        handler.endPrefixMapping(prefix)
+    handler.endDocument()
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/__init__.py
new file mode 100644
index 000000000..6a6b2a4c4
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/__init__.py
@@ -0,0 +1,76 @@
+"""A collection of modules for building different kinds of tree from
+HTML documents.
+
+To create a treebuilder for a new type of tree, you need to do
+implement several things:
+
+1) A set of classes for various types of elements: Document, Doctype,
+Comment, Element. These must implement the interface of
+_base.treebuilders.Node (although comment nodes have a different
+signature for their constructor, see treebuilders.etree.Comment)
+Textual content may also be implemented as another node type, or not, as
+your tree implementation requires.
+
+2) A treebuilder object (called TreeBuilder by convention) that
+inherits from treebuilders._base.TreeBuilder. This has 4 required attributes:
+documentClass - the class to use for the bottommost node of a document
+elementClass - the class to use for HTML Elements
+commentClass - the class to use for comments
+doctypeClass - the class to use for doctypes
+It also has one required method:
+getDocument - Returns the root node of the complete document tree
+
+3) If you wish to run the unit tests, you must also create a
+testSerializer method on your treebuilder which accepts a node and
+returns a string containing Node and its children serialized according
+to the format used in the unittests
+"""
+
+from __future__ import absolute_import, division, unicode_literals
+
+from ..utils import default_etree
+
+treeBuilderCache = {}
+
+
+def getTreeBuilder(treeType, implementation=None, **kwargs):
+    """Get a TreeBuilder class for various types of tree with built-in support
+
+    treeType - the name of the tree type required (case-insensitive). Supported
+               values are:
+
+               "dom" - A generic builder for DOM implementations, defaulting to
+                       a xml.dom.minidom based implementation.
+               "etree" - A generic builder for tree implementations exposing an
+                         ElementTree-like interface, defaulting to
+                         xml.etree.cElementTree if available and
+                         xml.etree.ElementTree if not.
+               "lxml" - A etree-based builder for lxml.etree, handling
+                        limitations of lxml's implementation.
+
+    implementation - (Currently applies to the "etree" and "dom" tree types). A
+                      module implementing the tree type e.g.
+                      xml.etree.ElementTree or xml.etree.cElementTree."""
+
+    treeType = treeType.lower()
+    if treeType not in treeBuilderCache:
+        if treeType == "dom":
+            from . import dom
+            # Come up with a sane default (pref. from the stdlib)
+            if implementation is None:
+                from xml.dom import minidom
+                implementation = minidom
+            # NEVER cache here, caching is done in the dom submodule
+            return dom.getDomModule(implementation, **kwargs).TreeBuilder
+        elif treeType == "lxml":
+            from . import etree_lxml
+            treeBuilderCache[treeType] = etree_lxml.TreeBuilder
+        elif treeType == "etree":
+            from . import etree
+            if implementation is None:
+                implementation = default_etree
+            # NEVER cache here, caching is done in the etree submodule
+            return etree.getETreeModule(implementation, **kwargs).TreeBuilder
+        else:
+            raise ValueError("""Unrecognised treebuilder "%s" """ % treeType)
+    return treeBuilderCache.get(treeType)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/_base.py b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/_base.py
new file mode 100644
index 000000000..8b97cc11a
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/_base.py
@@ -0,0 +1,377 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import text_type
+
+from ..constants import scopingElements, tableInsertModeElements, namespaces
+
+# The scope markers are inserted when entering object elements,
+# marquees, table cells, and table captions, and are used to prevent formatting
+# from "leaking" into tables, object elements, and marquees.
+Marker = None
+
+listElementsMap = {
+    None: (frozenset(scopingElements), False),
+    "button": (frozenset(scopingElements | set([(namespaces["html"], "button")])), False),
+    "list": (frozenset(scopingElements | set([(namespaces["html"], "ol"),
+                                              (namespaces["html"], "ul")])), False),
+    "table": (frozenset([(namespaces["html"], "html"),
+                         (namespaces["html"], "table")]), False),
+    "select": (frozenset([(namespaces["html"], "optgroup"),
+                          (namespaces["html"], "option")]), True)
+}
+
+
+class Node(object):
+    def __init__(self, name):
+        """Node representing an item in the tree.
+        name - The tag name associated with the node
+        parent - The parent of the current node (or None for the document node)
+        value - The value of the current node (applies to text nodes and
+        comments
+        attributes - a dict holding name, value pairs for attributes of the node
+        childNodes - a list of child nodes of the current node. This must
+        include all elements but not necessarily other node types
+        _flags - A list of miscellaneous flags that can be set on the node
+        """
+        self.name = name
+        self.parent = None
+        self.value = None
+        self.attributes = {}
+        self.childNodes = []
+        self._flags = []
+
+    def __str__(self):
+        attributesStr = " ".join(["%s=\"%s\"" % (name, value)
+                                  for name, value in
+                                  self.attributes.items()])
+        if attributesStr:
+            return "<%s %s>" % (self.name, attributesStr)
+        else:
+            return "<%s>" % (self.name)
+
+    def __repr__(self):
+        return "<%s>" % (self.name)
+
+    def appendChild(self, node):
+        """Insert node as a child of the current node
+        """
+        raise NotImplementedError
+
+    def insertText(self, data, insertBefore=None):
+        """Insert data as text in the current node, positioned before the
+        start of node insertBefore or to the end of the node's text.
+        """
+        raise NotImplementedError
+
+    def insertBefore(self, node, refNode):
+        """Insert node as a child of the current node, before refNode in the
+        list of child nodes. Raises ValueError if refNode is not a child of
+        the current node"""
+        raise NotImplementedError
+
+    def removeChild(self, node):
+        """Remove node from the children of the current node
+        """
+        raise NotImplementedError
+
+    def reparentChildren(self, newParent):
+        """Move all the children of the current node to newParent.
+        This is needed so that trees that don't store text as nodes move the
+        text in the correct way
+        """
+        # XXX - should this method be made more general?
+        for child in self.childNodes:
+            newParent.appendChild(child)
+        self.childNodes = []
+
+    def cloneNode(self):
+        """Return a shallow copy of the current node i.e. a node with the same
+        name and attributes but with no parent or child nodes
+        """
+        raise NotImplementedError
+
+    def hasContent(self):
+        """Return true if the node has children or text, false otherwise
+        """
+        raise NotImplementedError
+
+
+class ActiveFormattingElements(list):
+    def append(self, node):
+        equalCount = 0
+        if node != Marker:
+            for element in self[::-1]:
+                if element == Marker:
+                    break
+                if self.nodesEqual(element, node):
+                    equalCount += 1
+                if equalCount == 3:
+                    self.remove(element)
+                    break
+        list.append(self, node)
+
+    def nodesEqual(self, node1, node2):
+        if not node1.nameTuple == node2.nameTuple:
+            return False
+
+        if not node1.attributes == node2.attributes:
+            return False
+
+        return True
+
+
+class TreeBuilder(object):
+    """Base treebuilder implementation
+    documentClass - the class to use for the bottommost node of a document
+    elementClass - the class to use for HTML Elements
+    commentClass - the class to use for comments
+    doctypeClass - the class to use for doctypes
+    """
+
+    # Document class
+    documentClass = None
+
+    # The class to use for creating a node
+    elementClass = None
+
+    # The class to use for creating comments
+    commentClass = None
+
+    # The class to use for creating doctypes
+    doctypeClass = None
+
+    # Fragment class
+    fragmentClass = None
+
+    def __init__(self, namespaceHTMLElements):
+        if namespaceHTMLElements:
+            self.defaultNamespace = "http://www.w3.org/1999/xhtml"
+        else:
+            self.defaultNamespace = None
+        self.reset()
+
+    def reset(self):
+        self.openElements = []
+        self.activeFormattingElements = ActiveFormattingElements()
+
+        # XXX - rename these to headElement, formElement
+        self.headPointer = None
+        self.formPointer = None
+
+        self.insertFromTable = False
+
+        self.document = self.documentClass()
+
+    def elementInScope(self, target, variant=None):
+
+        # If we pass a node in we match that. if we pass a string
+        # match any node with that name
+        exactNode = hasattr(target, "nameTuple")
+
+        listElements, invert = listElementsMap[variant]
+
+        for node in reversed(self.openElements):
+            if (node.name == target and not exactNode or
+                    node == target and exactNode):
+                return True
+            elif (invert ^ (node.nameTuple in listElements)):
+                return False
+
+        assert False  # We should never reach this point
+
+    def reconstructActiveFormattingElements(self):
+        # Within this algorithm the order of steps described in the
+        # specification is not quite the same as the order of steps in the
+        # code. It should still do the same though.
+
+        # Step 1: stop the algorithm when there's nothing to do.
+        if not self.activeFormattingElements:
+            return
+
+        # Step 2 and step 3: we start with the last element. So i is -1.
+        i = len(self.activeFormattingElements) - 1
+        entry = self.activeFormattingElements[i]
+        if entry == Marker or entry in self.openElements:
+            return
+
+        # Step 6
+        while entry != Marker and entry not in self.openElements:
+            if i == 0:
+                # This will be reset to 0 below
+                i = -1
+                break
+            i -= 1
+            # Step 5: let entry be one earlier in the list.
+            entry = self.activeFormattingElements[i]
+
+        while True:
+            # Step 7
+            i += 1
+
+            # Step 8
+            entry = self.activeFormattingElements[i]
+            clone = entry.cloneNode()  # Mainly to get a new copy of the attributes
+
+            # Step 9
+            element = self.insertElement({"type": "StartTag",
+                                          "name": clone.name,
+                                          "namespace": clone.namespace,
+                                          "data": clone.attributes})
+
+            # Step 10
+            self.activeFormattingElements[i] = element
+
+            # Step 11
+            if element == self.activeFormattingElements[-1]:
+                break
+
+    def clearActiveFormattingElements(self):
+        entry = self.activeFormattingElements.pop()
+        while self.activeFormattingElements and entry != Marker:
+            entry = self.activeFormattingElements.pop()
+
+    def elementInActiveFormattingElements(self, name):
+        """Check if an element exists between the end of the active
+        formatting elements and the last marker. If it does, return it, else
+        return false"""
+
+        for item in self.activeFormattingElements[::-1]:
+            # Check for Marker first because if it's a Marker it doesn't have a
+            # name attribute.
+            if item == Marker:
+                break
+            elif item.name == name:
+                return item
+        return False
+
+    def insertRoot(self, token):
+        element = self.createElement(token)
+        self.openElements.append(element)
+        self.document.appendChild(element)
+
+    def insertDoctype(self, token):
+        name = token["name"]
+        publicId = token["publicId"]
+        systemId = token["systemId"]
+
+        doctype = self.doctypeClass(name, publicId, systemId)
+        self.document.appendChild(doctype)
+
+    def insertComment(self, token, parent=None):
+        if parent is None:
+            parent = self.openElements[-1]
+        parent.appendChild(self.commentClass(token["data"]))
+
+    def createElement(self, token):
+        """Create an element but don't insert it anywhere"""
+        name = token["name"]
+        namespace = token.get("namespace", self.defaultNamespace)
+        element = self.elementClass(name, namespace)
+        element.attributes = token["data"]
+        return element
+
+    def _getInsertFromTable(self):
+        return self._insertFromTable
+
+    def _setInsertFromTable(self, value):
+        """Switch the function used to insert an element from the
+        normal one to the misnested table one and back again"""
+        self._insertFromTable = value
+        if value:
+            self.insertElement = self.insertElementTable
+        else:
+            self.insertElement = self.insertElementNormal
+
+    insertFromTable = property(_getInsertFromTable, _setInsertFromTable)
+
+    def insertElementNormal(self, token):
+        name = token["name"]
+        assert isinstance(name, text_type), "Element %s not unicode" % name
+        namespace = token.get("namespace", self.defaultNamespace)
+        element = self.elementClass(name, namespace)
+        element.attributes = token["data"]
+        self.openElements[-1].appendChild(element)
+        self.openElements.append(element)
+        return element
+
+    def insertElementTable(self, token):
+        """Create an element and insert it into the tree"""
+        element = self.createElement(token)
+        if self.openElements[-1].name not in tableInsertModeElements:
+            return self.insertElementNormal(token)
+        else:
+            # We should be in the InTable mode. This means we want to do
+            # special magic element rearranging
+            parent, insertBefore = self.getTableMisnestedNodePosition()
+            if insertBefore is None:
+                parent.appendChild(element)
+            else:
+                parent.insertBefore(element, insertBefore)
+            self.openElements.append(element)
+        return element
+
+    def insertText(self, data, parent=None):
+        """Insert text data."""
+        if parent is None:
+            parent = self.openElements[-1]
+
+        if (not self.insertFromTable or (self.insertFromTable and
+                                         self.openElements[-1].name
+                                         not in tableInsertModeElements)):
+            parent.insertText(data)
+        else:
+            # We should be in the InTable mode. This means we want to do
+            # special magic element rearranging
+            parent, insertBefore = self.getTableMisnestedNodePosition()
+            parent.insertText(data, insertBefore)
+
+    def getTableMisnestedNodePosition(self):
+        """Get the foster parent element, and sibling to insert before
+        (or None) when inserting a misnested table node"""
+        # The foster parent element is the one which comes before the most
+        # recently opened table element
+        # XXX - this is really inelegant
+        lastTable = None
+        fosterParent = None
+        insertBefore = None
+        for elm in self.openElements[::-1]:
+            if elm.name == "table":
+                lastTable = elm
+                break
+        if lastTable:
+            # XXX - we should really check that this parent is actually a
+            # node here
+            if lastTable.parent:
+                fosterParent = lastTable.parent
+                insertBefore = lastTable
+            else:
+                fosterParent = self.openElements[
+                    self.openElements.index(lastTable) - 1]
+        else:
+            fosterParent = self.openElements[0]
+        return fosterParent, insertBefore
+
+    def generateImpliedEndTags(self, exclude=None):
+        name = self.openElements[-1].name
+        # XXX td, th and tr are not actually needed
+        if (name in frozenset(("dd", "dt", "li", "option", "optgroup", "p", "rp", "rt"))
+                and name != exclude):
+            self.openElements.pop()
+            # XXX This is not entirely what the specification says. We should
+            # investigate it more closely.
+            self.generateImpliedEndTags(exclude)
+
+    def getDocument(self):
+        "Return the final tree"
+        return self.document
+
+    def getFragment(self):
+        "Return the final fragment"
+        # assert self.innerHTML
+        fragment = self.fragmentClass()
+        self.openElements[0].reparentChildren(fragment)
+        return fragment
+
+    def testSerializer(self, node):
+        """Serialize the subtree of node in the format required by unit tests
+        node - the node from which to start serializing"""
+        raise NotImplementedError
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/dom.py b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/dom.py
new file mode 100644
index 000000000..234233b79
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/dom.py
@@ -0,0 +1,227 @@
+from __future__ import absolute_import, division, unicode_literals
+
+
+from xml.dom import minidom, Node
+import weakref
+
+from . import _base
+from .. import constants
+from ..constants import namespaces
+from ..utils import moduleFactoryFactory
+
+
+def getDomBuilder(DomImplementation):
+    Dom = DomImplementation
+
+    class AttrList(object):
+        def __init__(self, element):
+            self.element = element
+
+        def __iter__(self):
+            return list(self.element.attributes.items()).__iter__()
+
+        def __setitem__(self, name, value):
+            self.element.setAttribute(name, value)
+
+        def __len__(self):
+            return len(list(self.element.attributes.items()))
+
+        def items(self):
+            return [(item[0], item[1]) for item in
+                    list(self.element.attributes.items())]
+
+        def keys(self):
+            return list(self.element.attributes.keys())
+
+        def __getitem__(self, name):
+            return self.element.getAttribute(name)
+
+        def __contains__(self, name):
+            if isinstance(name, tuple):
+                raise NotImplementedError
+            else:
+                return self.element.hasAttribute(name)
+
+    class NodeBuilder(_base.Node):
+        def __init__(self, element):
+            _base.Node.__init__(self, element.nodeName)
+            self.element = element
+
+        namespace = property(lambda self: hasattr(self.element, "namespaceURI")
+                             and self.element.namespaceURI or None)
+
+        def appendChild(self, node):
+            node.parent = self
+            self.element.appendChild(node.element)
+
+        def insertText(self, data, insertBefore=None):
+            text = self.element.ownerDocument.createTextNode(data)
+            if insertBefore:
+                self.element.insertBefore(text, insertBefore.element)
+            else:
+                self.element.appendChild(text)
+
+        def insertBefore(self, node, refNode):
+            self.element.insertBefore(node.element, refNode.element)
+            node.parent = self
+
+        def removeChild(self, node):
+            if node.element.parentNode == self.element:
+                self.element.removeChild(node.element)
+            node.parent = None
+
+        def reparentChildren(self, newParent):
+            while self.element.hasChildNodes():
+                child = self.element.firstChild
+                self.element.removeChild(child)
+                newParent.element.appendChild(child)
+            self.childNodes = []
+
+        def getAttributes(self):
+            return AttrList(self.element)
+
+        def setAttributes(self, attributes):
+            if attributes:
+                for name, value in list(attributes.items()):
+                    if isinstance(name, tuple):
+                        if name[0] is not None:
+                            qualifiedName = (name[0] + ":" + name[1])
+                        else:
+                            qualifiedName = name[1]
+                        self.element.setAttributeNS(name[2], qualifiedName,
+                                                    value)
+                    else:
+                        self.element.setAttribute(
+                            name, value)
+        attributes = property(getAttributes, setAttributes)
+
+        def cloneNode(self):
+            return NodeBuilder(self.element.cloneNode(False))
+
+        def hasContent(self):
+            return self.element.hasChildNodes()
+
+        def getNameTuple(self):
+            if self.namespace is None:
+                return namespaces["html"], self.name
+            else:
+                return self.namespace, self.name
+
+        nameTuple = property(getNameTuple)
+
+    class TreeBuilder(_base.TreeBuilder):
+        def documentClass(self):
+            self.dom = Dom.getDOMImplementation().createDocument(None, None, None)
+            return weakref.proxy(self)
+
+        def insertDoctype(self, token):
+            name = token["name"]
+            publicId = token["publicId"]
+            systemId = token["systemId"]
+
+            domimpl = Dom.getDOMImplementation()
+            doctype = domimpl.createDocumentType(name, publicId, systemId)
+            self.document.appendChild(NodeBuilder(doctype))
+            if Dom == minidom:
+                doctype.ownerDocument = self.dom
+
+        def elementClass(self, name, namespace=None):
+            if namespace is None and self.defaultNamespace is None:
+                node = self.dom.createElement(name)
+            else:
+                node = self.dom.createElementNS(namespace, name)
+
+            return NodeBuilder(node)
+
+        def commentClass(self, data):
+            return NodeBuilder(self.dom.createComment(data))
+
+        def fragmentClass(self):
+            return NodeBuilder(self.dom.createDocumentFragment())
+
+        def appendChild(self, node):
+            self.dom.appendChild(node.element)
+
+        def testSerializer(self, element):
+            return testSerializer(element)
+
+        def getDocument(self):
+            return self.dom
+
+        def getFragment(self):
+            return _base.TreeBuilder.getFragment(self).element
+
+        def insertText(self, data, parent=None):
+            data = data
+            if parent != self:
+                _base.TreeBuilder.insertText(self, data, parent)
+            else:
+                # HACK: allow text nodes as children of the document node
+                if hasattr(self.dom, '_child_node_types'):
+                    if Node.TEXT_NODE not in self.dom._child_node_types:
+                        self.dom._child_node_types = list(self.dom._child_node_types)
+                        self.dom._child_node_types.append(Node.TEXT_NODE)
+                self.dom.appendChild(self.dom.createTextNode(data))
+
+        implementation = DomImplementation
+        name = None
+
+    def testSerializer(element):
+        element.normalize()
+        rv = []
+
+        def serializeElement(element, indent=0):
+            if element.nodeType == Node.DOCUMENT_TYPE_NODE:
+                if element.name:
+                    if element.publicId or element.systemId:
+                        publicId = element.publicId or ""
+                        systemId = element.systemId or ""
+                        rv.append("""|%s<!DOCTYPE %s "%s" "%s">""" %
+                                  (' ' * indent, element.name, publicId, systemId))
+                    else:
+                        rv.append("|%s<!DOCTYPE %s>" % (' ' * indent, element.name))
+                else:
+                    rv.append("|%s<!DOCTYPE >" % (' ' * indent,))
+            elif element.nodeType == Node.DOCUMENT_NODE:
+                rv.append("#document")
+            elif element.nodeType == Node.DOCUMENT_FRAGMENT_NODE:
+                rv.append("#document-fragment")
+            elif element.nodeType == Node.COMMENT_NODE:
+                rv.append("|%s<!-- %s -->" % (' ' * indent, element.nodeValue))
+            elif element.nodeType == Node.TEXT_NODE:
+                rv.append("|%s\"%s\"" % (' ' * indent, element.nodeValue))
+            else:
+                if (hasattr(element, "namespaceURI") and
+                        element.namespaceURI is not None):
+                    name = "%s %s" % (constants.prefixes[element.namespaceURI],
+                                      element.nodeName)
+                else:
+                    name = element.nodeName
+                rv.append("|%s<%s>" % (' ' * indent, name))
+                if element.hasAttributes():
+                    attributes = []
+                    for i in range(len(element.attributes)):
+                        attr = element.attributes.item(i)
+                        name = attr.nodeName
+                        value = attr.value
+                        ns = attr.namespaceURI
+                        if ns:
+                            name = "%s %s" % (constants.prefixes[ns], attr.localName)
+                        else:
+                            name = attr.nodeName
+                        attributes.append((name, value))
+
+                    for name, value in sorted(attributes):
+                        rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value))
+            indent += 2
+            for child in element.childNodes:
+                serializeElement(child, indent)
+        serializeElement(element, 0)
+
+        return "\n".join(rv)
+
+    return locals()
+
+
+# The actual means to get a module!
+getDomModule = moduleFactoryFactory(getDomBuilder)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/etree.py b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/etree.py
new file mode 100644
index 000000000..2c8ed19f8
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/etree.py
@@ -0,0 +1,337 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import text_type
+
+import re
+
+from . import _base
+from .. import ihatexml
+from .. import constants
+from ..constants import namespaces
+from ..utils import moduleFactoryFactory
+
+tag_regexp = re.compile("{([^}]*)}(.*)")
+
+
+def getETreeBuilder(ElementTreeImplementation, fullTree=False):
+    ElementTree = ElementTreeImplementation
+    ElementTreeCommentType = ElementTree.Comment("asd").tag
+
+    class Element(_base.Node):
+        def __init__(self, name, namespace=None):
+            self._name = name
+            self._namespace = namespace
+            self._element = ElementTree.Element(self._getETreeTag(name,
+                                                                  namespace))
+            if namespace is None:
+                self.nameTuple = namespaces["html"], self._name
+            else:
+                self.nameTuple = self._namespace, self._name
+            self.parent = None
+            self._childNodes = []
+            self._flags = []
+
+        def _getETreeTag(self, name, namespace):
+            if namespace is None:
+                etree_tag = name
+            else:
+                etree_tag = "{%s}%s" % (namespace, name)
+            return etree_tag
+
+        def _setName(self, name):
+            self._name = name
+            self._element.tag = self._getETreeTag(self._name, self._namespace)
+
+        def _getName(self):
+            return self._name
+
+        name = property(_getName, _setName)
+
+        def _setNamespace(self, namespace):
+            self._namespace = namespace
+            self._element.tag = self._getETreeTag(self._name, self._namespace)
+
+        def _getNamespace(self):
+            return self._namespace
+
+        namespace = property(_getNamespace, _setNamespace)
+
+        def _getAttributes(self):
+            return self._element.attrib
+
+        def _setAttributes(self, attributes):
+            # Delete existing attributes first
+            # XXX - there may be a better way to do this...
+            for key in list(self._element.attrib.keys()):
+                del self._element.attrib[key]
+            for key, value in attributes.items():
+                if isinstance(key, tuple):
+                    name = "{%s}%s" % (key[2], key[1])
+                else:
+                    name = key
+                self._element.set(name, value)
+
+        attributes = property(_getAttributes, _setAttributes)
+
+        def _getChildNodes(self):
+            return self._childNodes
+
+        def _setChildNodes(self, value):
+            del self._element[:]
+            self._childNodes = []
+            for element in value:
+                self.insertChild(element)
+
+        childNodes = property(_getChildNodes, _setChildNodes)
+
+        def hasContent(self):
+            """Return true if the node has children or text"""
+            return bool(self._element.text or len(self._element))
+
+        def appendChild(self, node):
+            self._childNodes.append(node)
+            self._element.append(node._element)
+            node.parent = self
+
+        def insertBefore(self, node, refNode):
+            index = list(self._element).index(refNode._element)
+            self._element.insert(index, node._element)
+            node.parent = self
+
+        def removeChild(self, node):
+            self._element.remove(node._element)
+            node.parent = None
+
+        def insertText(self, data, insertBefore=None):
+            if not(len(self._element)):
+                if not self._element.text:
+                    self._element.text = ""
+                self._element.text += data
+            elif insertBefore is None:
+                # Insert the text as the tail of the last child element
+                if not self._element[-1].tail:
+                    self._element[-1].tail = ""
+                self._element[-1].tail += data
+            else:
+                # Insert the text before the specified node
+                children = list(self._element)
+                index = children.index(insertBefore._element)
+                if index > 0:
+                    if not self._element[index - 1].tail:
+                        self._element[index - 1].tail = ""
+                    self._element[index - 1].tail += data
+                else:
+                    if not self._element.text:
+                        self._element.text = ""
+                    self._element.text += data
+
+        def cloneNode(self):
+            element = type(self)(self.name, self.namespace)
+            for name, value in self.attributes.items():
+                element.attributes[name] = value
+            return element
+
+        def reparentChildren(self, newParent):
+            if newParent.childNodes:
+                newParent.childNodes[-1]._element.tail += self._element.text
+            else:
+                if not newParent._element.text:
+                    newParent._element.text = ""
+                if self._element.text is not None:
+                    newParent._element.text += self._element.text
+            self._element.text = ""
+            _base.Node.reparentChildren(self, newParent)
+
+    class Comment(Element):
+        def __init__(self, data):
+            # Use the superclass constructor to set all properties on the
+            # wrapper element
+            self._element = ElementTree.Comment(data)
+            self.parent = None
+            self._childNodes = []
+            self._flags = []
+
+        def _getData(self):
+            return self._element.text
+
+        def _setData(self, value):
+            self._element.text = value
+
+        data = property(_getData, _setData)
+
+    class DocumentType(Element):
+        def __init__(self, name, publicId, systemId):
+            Element.__init__(self, "<!DOCTYPE>")
+            self._element.text = name
+            self.publicId = publicId
+            self.systemId = systemId
+
+        def _getPublicId(self):
+            return self._element.get("publicId", "")
+
+        def _setPublicId(self, value):
+            if value is not None:
+                self._element.set("publicId", value)
+
+        publicId = property(_getPublicId, _setPublicId)
+
+        def _getSystemId(self):
+            return self._element.get("systemId", "")
+
+        def _setSystemId(self, value):
+            if value is not None:
+                self._element.set("systemId", value)
+
+        systemId = property(_getSystemId, _setSystemId)
+
+    class Document(Element):
+        def __init__(self):
+            Element.__init__(self, "DOCUMENT_ROOT")
+
+    class DocumentFragment(Element):
+        def __init__(self):
+            Element.__init__(self, "DOCUMENT_FRAGMENT")
+
+    def testSerializer(element):
+        rv = []
+
+        def serializeElement(element, indent=0):
+            if not(hasattr(element, "tag")):
+                element = element.getroot()
+            if element.tag == "<!DOCTYPE>":
+                if element.get("publicId") or element.get("systemId"):
+                    publicId = element.get("publicId") or ""
+                    systemId = element.get("systemId") or ""
+                    rv.append("""<!DOCTYPE %s "%s" "%s">""" %
+                              (element.text, publicId, systemId))
+                else:
+                    rv.append("<!DOCTYPE %s>" % (element.text,))
+            elif element.tag == "DOCUMENT_ROOT":
+                rv.append("#document")
+                if element.text is not None:
+                    rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text))
+                if element.tail is not None:
+                    raise TypeError("Document node cannot have tail")
+                if hasattr(element, "attrib") and len(element.attrib):
+                    raise TypeError("Document node cannot have attributes")
+            elif element.tag == ElementTreeCommentType:
+                rv.append("|%s<!-- %s -->" % (' ' * indent, element.text))
+            else:
+                assert isinstance(element.tag, text_type), \
+                    "Expected unicode, got %s, %s" % (type(element.tag), element.tag)
+                nsmatch = tag_regexp.match(element.tag)
+
+                if nsmatch is None:
+                    name = element.tag
+                else:
+                    ns, name = nsmatch.groups()
+                    prefix = constants.prefixes[ns]
+                    name = "%s %s" % (prefix, name)
+                rv.append("|%s<%s>" % (' ' * indent, name))
+
+                if hasattr(element, "attrib"):
+                    attributes = []
+                    for name, value in element.attrib.items():
+                        nsmatch = tag_regexp.match(name)
+                        if nsmatch is not None:
+                            ns, name = nsmatch.groups()
+                            prefix = constants.prefixes[ns]
+                            attr_string = "%s %s" % (prefix, name)
+                        else:
+                            attr_string = name
+                        attributes.append((attr_string, value))
+
+                    for name, value in sorted(attributes):
+                        rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value))
+                if element.text:
+                    rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text))
+            indent += 2
+            for child in element:
+                serializeElement(child, indent)
+            if element.tail:
+                rv.append("|%s\"%s\"" % (' ' * (indent - 2), element.tail))
+        serializeElement(element, 0)
+
+        return "\n".join(rv)
+
+    def tostring(element):
+        """Serialize an element and its child nodes to a string"""
+        rv = []
+        filter = ihatexml.InfosetFilter()
+
+        def serializeElement(element):
+            if isinstance(element, ElementTree.ElementTree):
+                element = element.getroot()
+
+            if element.tag == "<!DOCTYPE>":
+                if element.get("publicId") or element.get("systemId"):
+                    publicId = element.get("publicId") or ""
+                    systemId = element.get("systemId") or ""
+                    rv.append("""<!DOCTYPE %s PUBLIC "%s" "%s">""" %
+                              (element.text, publicId, systemId))
+                else:
+                    rv.append("<!DOCTYPE %s>" % (element.text,))
+            elif element.tag == "DOCUMENT_ROOT":
+                if element.text is not None:
+                    rv.append(element.text)
+                if element.tail is not None:
+                    raise TypeError("Document node cannot have tail")
+                if hasattr(element, "attrib") and len(element.attrib):
+                    raise TypeError("Document node cannot have attributes")
+
+                for child in element:
+                    serializeElement(child)
+
+            elif element.tag == ElementTreeCommentType:
+                rv.append("<!--%s-->" % (element.text,))
+            else:
+                # This is assumed to be an ordinary element
+                if not element.attrib:
+                    rv.append("<%s>" % (filter.fromXmlName(element.tag),))
+                else:
+                    attr = " ".join(["%s=\"%s\"" % (
+                        filter.fromXmlName(name), value)
+                        for name, value in element.attrib.items()])
+                    rv.append("<%s %s>" % (element.tag, attr))
+                if element.text:
+                    rv.append(element.text)
+
+                for child in element:
+                    serializeElement(child)
+
+                rv.append("</%s>" % (element.tag,))
+
+            if element.tail:
+                rv.append(element.tail)
+
+        serializeElement(element)
+
+        return "".join(rv)
+
+    class TreeBuilder(_base.TreeBuilder):
+        documentClass = Document
+        doctypeClass = DocumentType
+        elementClass = Element
+        commentClass = Comment
+        fragmentClass = DocumentFragment
+        implementation = ElementTreeImplementation
+
+        def testSerializer(self, element):
+            return testSerializer(element)
+
+        def getDocument(self):
+            if fullTree:
+                return self.document._element
+            else:
+                if self.defaultNamespace is not None:
+                    return self.document._element.find(
+                        "{%s}html" % self.defaultNamespace)
+                else:
+                    return self.document._element.find("html")
+
+        def getFragment(self):
+            return _base.TreeBuilder.getFragment(self)._element
+
+    return locals()
+
+
+getETreeModule = moduleFactoryFactory(getETreeBuilder)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/etree_lxml.py b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/etree_lxml.py
new file mode 100644
index 000000000..35d08efaa
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treebuilders/etree_lxml.py
@@ -0,0 +1,369 @@
+"""Module for supporting the lxml.etree library. The idea here is to use as much
+of the native library as possible, without using fragile hacks like custom element
+names that break between releases. The downside of this is that we cannot represent
+all possible trees; specifically the following are known to cause problems:
+
+Text or comments as siblings of the root element
+Docypes with no name
+
+When any of these things occur, we emit a DataLossWarning
+"""
+
+from __future__ import absolute_import, division, unicode_literals
+
+import warnings
+import re
+import sys
+
+from . import _base
+from ..constants import DataLossWarning
+from .. import constants
+from . import etree as etree_builders
+from .. import ihatexml
+
+import lxml.etree as etree
+
+
+fullTree = True
+tag_regexp = re.compile("{([^}]*)}(.*)")
+
+comment_type = etree.Comment("asd").tag
+
+
+class DocumentType(object):
+    def __init__(self, name, publicId, systemId):
+        self.name = name
+        self.publicId = publicId
+        self.systemId = systemId
+
+
+class Document(object):
+    def __init__(self):
+        self._elementTree = None
+        self._childNodes = []
+
+    def appendChild(self, element):
+        self._elementTree.getroot().addnext(element._element)
+
+    def _getChildNodes(self):
+        return self._childNodes
+
+    childNodes = property(_getChildNodes)
+
+
+def testSerializer(element):
+    rv = []
+    finalText = None
+    infosetFilter = ihatexml.InfosetFilter()
+
+    def serializeElement(element, indent=0):
+        if not hasattr(element, "tag"):
+            if hasattr(element, "getroot"):
+                # Full tree case
+                rv.append("#document")
+                if element.docinfo.internalDTD:
+                    if not (element.docinfo.public_id or
+                            element.docinfo.system_url):
+                        dtd_str = "<!DOCTYPE %s>" % element.docinfo.root_name
+                    else:
+                        dtd_str = """<!DOCTYPE %s "%s" "%s">""" % (
+                            element.docinfo.root_name,
+                            element.docinfo.public_id,
+                            element.docinfo.system_url)
+                    rv.append("|%s%s" % (' ' * (indent + 2), dtd_str))
+                next_element = element.getroot()
+                while next_element.getprevious() is not None:
+                    next_element = next_element.getprevious()
+                while next_element is not None:
+                    serializeElement(next_element, indent + 2)
+                    next_element = next_element.getnext()
+            elif isinstance(element, str) or isinstance(element, bytes):
+                # Text in a fragment
+                assert isinstance(element, str) or sys.version_info.major == 2
+                rv.append("|%s\"%s\"" % (' ' * indent, element))
+            else:
+                # Fragment case
+                rv.append("#document-fragment")
+                for next_element in element:
+                    serializeElement(next_element, indent + 2)
+        elif element.tag == comment_type:
+            rv.append("|%s<!-- %s -->" % (' ' * indent, element.text))
+            if hasattr(element, "tail") and element.tail:
+                rv.append("|%s\"%s\"" % (' ' * indent, element.tail))
+        else:
+            assert isinstance(element, etree._Element)
+            nsmatch = etree_builders.tag_regexp.match(element.tag)
+            if nsmatch is not None:
+                ns = nsmatch.group(1)
+                tag = nsmatch.group(2)
+                prefix = constants.prefixes[ns]
+                rv.append("|%s<%s %s>" % (' ' * indent, prefix,
+                                          infosetFilter.fromXmlName(tag)))
+            else:
+                rv.append("|%s<%s>" % (' ' * indent,
+                                       infosetFilter.fromXmlName(element.tag)))
+
+            if hasattr(element, "attrib"):
+                attributes = []
+                for name, value in element.attrib.items():
+                    nsmatch = tag_regexp.match(name)
+                    if nsmatch is not None:
+                        ns, name = nsmatch.groups()
+                        name = infosetFilter.fromXmlName(name)
+                        prefix = constants.prefixes[ns]
+                        attr_string = "%s %s" % (prefix, name)
+                    else:
+                        attr_string = infosetFilter.fromXmlName(name)
+                    attributes.append((attr_string, value))
+
+                for name, value in sorted(attributes):
+                    rv.append('|%s%s="%s"' % (' ' * (indent + 2), name, value))
+
+            if element.text:
+                rv.append("|%s\"%s\"" % (' ' * (indent + 2), element.text))
+            indent += 2
+            for child in element:
+                serializeElement(child, indent)
+            if hasattr(element, "tail") and element.tail:
+                rv.append("|%s\"%s\"" % (' ' * (indent - 2), element.tail))
+    serializeElement(element, 0)
+
+    if finalText is not None:
+        rv.append("|%s\"%s\"" % (' ' * 2, finalText))
+
+    return "\n".join(rv)
+
+
+def tostring(element):
+    """Serialize an element and its child nodes to a string"""
+    rv = []
+    finalText = None
+
+    def serializeElement(element):
+        if not hasattr(element, "tag"):
+            if element.docinfo.internalDTD:
+                if element.docinfo.doctype:
+                    dtd_str = element.docinfo.doctype
+                else:
+                    dtd_str = "<!DOCTYPE %s>" % element.docinfo.root_name
+                rv.append(dtd_str)
+            serializeElement(element.getroot())
+
+        elif element.tag == comment_type:
+            rv.append("<!--%s-->" % (element.text,))
+
+        else:
+            # This is assumed to be an ordinary element
+            if not element.attrib:
+                rv.append("<%s>" % (element.tag,))
+            else:
+                attr = " ".join(["%s=\"%s\"" % (name, value)
+                                 for name, value in element.attrib.items()])
+                rv.append("<%s %s>" % (element.tag, attr))
+            if element.text:
+                rv.append(element.text)
+
+            for child in element:
+                serializeElement(child)
+
+            rv.append("</%s>" % (element.tag,))
+
+        if hasattr(element, "tail") and element.tail:
+            rv.append(element.tail)
+
+    serializeElement(element)
+
+    if finalText is not None:
+        rv.append("%s\"" % (' ' * 2, finalText))
+
+    return "".join(rv)
+
+
+class TreeBuilder(_base.TreeBuilder):
+    documentClass = Document
+    doctypeClass = DocumentType
+    elementClass = None
+    commentClass = None
+    fragmentClass = Document
+    implementation = etree
+
+    def __init__(self, namespaceHTMLElements, fullTree=False):
+        builder = etree_builders.getETreeModule(etree, fullTree=fullTree)
+        infosetFilter = self.infosetFilter = ihatexml.InfosetFilter()
+        self.namespaceHTMLElements = namespaceHTMLElements
+
+        class Attributes(dict):
+            def __init__(self, element, value={}):
+                self._element = element
+                dict.__init__(self, value)
+                for key, value in self.items():
+                    if isinstance(key, tuple):
+                        name = "{%s}%s" % (key[2], infosetFilter.coerceAttribute(key[1]))
+                    else:
+                        name = infosetFilter.coerceAttribute(key)
+                    self._element._element.attrib[name] = value
+
+            def __setitem__(self, key, value):
+                dict.__setitem__(self, key, value)
+                if isinstance(key, tuple):
+                    name = "{%s}%s" % (key[2], infosetFilter.coerceAttribute(key[1]))
+                else:
+                    name = infosetFilter.coerceAttribute(key)
+                self._element._element.attrib[name] = value
+
+        class Element(builder.Element):
+            def __init__(self, name, namespace):
+                name = infosetFilter.coerceElement(name)
+                builder.Element.__init__(self, name, namespace=namespace)
+                self._attributes = Attributes(self)
+
+            def _setName(self, name):
+                self._name = infosetFilter.coerceElement(name)
+                self._element.tag = self._getETreeTag(
+                    self._name, self._namespace)
+
+            def _getName(self):
+                return infosetFilter.fromXmlName(self._name)
+
+            name = property(_getName, _setName)
+
+            def _getAttributes(self):
+                return self._attributes
+
+            def _setAttributes(self, attributes):
+                self._attributes = Attributes(self, attributes)
+
+            attributes = property(_getAttributes, _setAttributes)
+
+            def insertText(self, data, insertBefore=None):
+                data = infosetFilter.coerceCharacters(data)
+                builder.Element.insertText(self, data, insertBefore)
+
+            def appendChild(self, child):
+                builder.Element.appendChild(self, child)
+
+        class Comment(builder.Comment):
+            def __init__(self, data):
+                data = infosetFilter.coerceComment(data)
+                builder.Comment.__init__(self, data)
+
+            def _setData(self, data):
+                data = infosetFilter.coerceComment(data)
+                self._element.text = data
+
+            def _getData(self):
+                return self._element.text
+
+            data = property(_getData, _setData)
+
+        self.elementClass = Element
+        self.commentClass = builder.Comment
+        # self.fragmentClass = builder.DocumentFragment
+        _base.TreeBuilder.__init__(self, namespaceHTMLElements)
+
+    def reset(self):
+        _base.TreeBuilder.reset(self)
+        self.insertComment = self.insertCommentInitial
+        self.initial_comments = []
+        self.doctype = None
+
+    def testSerializer(self, element):
+        return testSerializer(element)
+
+    def getDocument(self):
+        if fullTree:
+            return self.document._elementTree
+        else:
+            return self.document._elementTree.getroot()
+
+    def getFragment(self):
+        fragment = []
+        element = self.openElements[0]._element
+        if element.text:
+            fragment.append(element.text)
+        fragment.extend(list(element))
+        if element.tail:
+            fragment.append(element.tail)
+        return fragment
+
+    def insertDoctype(self, token):
+        name = token["name"]
+        publicId = token["publicId"]
+        systemId = token["systemId"]
+
+        if not name:
+            warnings.warn("lxml cannot represent empty doctype", DataLossWarning)
+            self.doctype = None
+        else:
+            coercedName = self.infosetFilter.coerceElement(name)
+            if coercedName != name:
+                warnings.warn("lxml cannot represent non-xml doctype", DataLossWarning)
+
+            doctype = self.doctypeClass(coercedName, publicId, systemId)
+            self.doctype = doctype
+
+    def insertCommentInitial(self, data, parent=None):
+        self.initial_comments.append(data)
+
+    def insertCommentMain(self, data, parent=None):
+        if (parent == self.document and
+                self.document._elementTree.getroot()[-1].tag == comment_type):
+                warnings.warn("lxml cannot represent adjacent comments beyond the root elements", DataLossWarning)
+        super(TreeBuilder, self).insertComment(data, parent)
+
+    def insertRoot(self, token):
+        """Create the document root"""
+        # Because of the way libxml2 works, it doesn't seem to be possible to
+        # alter information like the doctype after the tree has been parsed.
+        # Therefore we need to use the built-in parser to create our iniial
+        # tree, after which we can add elements like normal
+        docStr = ""
+        if self.doctype:
+            assert self.doctype.name
+            docStr += "<!DOCTYPE %s" % self.doctype.name
+            if (self.doctype.publicId is not None or
+                    self.doctype.systemId is not None):
+                docStr += (' PUBLIC "%s" ' %
+                           (self.infosetFilter.coercePubid(self.doctype.publicId or "")))
+                if self.doctype.systemId:
+                    sysid = self.doctype.systemId
+                    if sysid.find("'") >= 0 and sysid.find('"') >= 0:
+                        warnings.warn("DOCTYPE system cannot contain single and double quotes", DataLossWarning)
+                        sysid = sysid.replace("'", 'U00027')
+                    if sysid.find("'") >= 0:
+                        docStr += '"%s"' % sysid
+                    else:
+                        docStr += "'%s'" % sysid
+                else:
+                    docStr += "''"
+            docStr += ">"
+            if self.doctype.name != token["name"]:
+                warnings.warn("lxml cannot represent doctype with a different name to the root element", DataLossWarning)
+        docStr += "<THIS_SHOULD_NEVER_APPEAR_PUBLICLY/>"
+        root = etree.fromstring(docStr)
+
+        # Append the initial comments:
+        for comment_token in self.initial_comments:
+            root.addprevious(etree.Comment(comment_token["data"]))
+
+        # Create the root document and add the ElementTree to it
+        self.document = self.documentClass()
+        self.document._elementTree = root.getroottree()
+
+        # Give the root element the right name
+        name = token["name"]
+        namespace = token.get("namespace", self.defaultNamespace)
+        if namespace is None:
+            etree_tag = name
+        else:
+            etree_tag = "{%s}%s" % (namespace, name)
+        root.tag = etree_tag
+
+        # Add the root element to the internal child/open data structures
+        root_element = self.elementClass(name, namespace)
+        root_element._element = root
+        self.document._childNodes.append(root_element)
+        self.openElements.append(root_element)
+
+        # Reset to the default insert comment function
+        self.insertComment = self.insertCommentMain
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/__init__.py
new file mode 100644
index 000000000..18124e75f
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/__init__.py
@@ -0,0 +1,57 @@
+"""A collection of modules for iterating through different kinds of
+tree, generating tokens identical to those produced by the tokenizer
+module.
+
+To create a tree walker for a new type of tree, you need to do
+implement a tree walker object (called TreeWalker by convention) that
+implements a 'serialize' method taking a tree as sole argument and
+returning an iterator generating tokens.
+"""
+
+from __future__ import absolute_import, division, unicode_literals
+
+import sys
+
+from ..utils import default_etree
+
+treeWalkerCache = {}
+
+
+def getTreeWalker(treeType, implementation=None, **kwargs):
+    """Get a TreeWalker class for various types of tree with built-in support
+
+    treeType - the name of the tree type required (case-insensitive). Supported
+               values are:
+
+                "dom" - The xml.dom.minidom DOM implementation
+                "pulldom" - The xml.dom.pulldom event stream
+                "etree" - A generic walker for tree implementations exposing an
+                          elementtree-like interface (known to work with
+                          ElementTree, cElementTree and lxml.etree).
+                "lxml" - Optimized walker for lxml.etree
+                "genshi" - a Genshi stream
+
+    implementation - (Currently applies to the "etree" tree type only). A module
+                      implementing the tree type e.g. xml.etree.ElementTree or
+                      cElementTree."""
+
+    treeType = treeType.lower()
+    if treeType not in treeWalkerCache:
+        if treeType in ("dom", "pulldom"):
+            name = "%s.%s" % (__name__, treeType)
+            __import__(name)
+            mod = sys.modules[name]
+            treeWalkerCache[treeType] = mod.TreeWalker
+        elif treeType == "genshi":
+            from . import genshistream
+            treeWalkerCache[treeType] = genshistream.TreeWalker
+        elif treeType == "lxml":
+            from . import lxmletree
+            treeWalkerCache[treeType] = lxmletree.TreeWalker
+        elif treeType == "etree":
+            from . import etree
+            if implementation is None:
+                implementation = default_etree
+            # XXX: NEVER cache here, caching is done in the etree submodule
+            return etree.getETreeModule(implementation, **kwargs).TreeWalker
+    return treeWalkerCache.get(treeType)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/_base.py b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/_base.py
new file mode 100644
index 000000000..34252e50c
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/_base.py
@@ -0,0 +1,200 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import text_type, string_types
+
+import gettext
+_ = gettext.gettext
+
+from xml.dom import Node
+
+DOCUMENT = Node.DOCUMENT_NODE
+DOCTYPE = Node.DOCUMENT_TYPE_NODE
+TEXT = Node.TEXT_NODE
+ELEMENT = Node.ELEMENT_NODE
+COMMENT = Node.COMMENT_NODE
+ENTITY = Node.ENTITY_NODE
+UNKNOWN = "<#UNKNOWN#>"
+
+from ..constants import voidElements, spaceCharacters
+spaceCharacters = "".join(spaceCharacters)
+
+
+def to_text(s, blank_if_none=True):
+    """Wrapper around six.text_type to convert None to empty string"""
+    if s is None:
+        if blank_if_none:
+            return ""
+        else:
+            return None
+    elif isinstance(s, text_type):
+        return s
+    else:
+        return text_type(s)
+
+
+def is_text_or_none(string):
+    """Wrapper around isinstance(string_types) or is None"""
+    return string is None or isinstance(string, string_types)
+
+
+class TreeWalker(object):
+    def __init__(self, tree):
+        self.tree = tree
+
+    def __iter__(self):
+        raise NotImplementedError
+
+    def error(self, msg):
+        return {"type": "SerializeError", "data": msg}
+
+    def emptyTag(self, namespace, name, attrs, hasChildren=False):
+        assert namespace is None or isinstance(namespace, string_types), type(namespace)
+        assert isinstance(name, string_types), type(name)
+        assert all((namespace is None or isinstance(namespace, string_types)) and
+                   isinstance(name, string_types) and
+                   isinstance(value, string_types)
+                   for (namespace, name), value in attrs.items())
+
+        yield {"type": "EmptyTag", "name": to_text(name, False),
+               "namespace": to_text(namespace),
+               "data": attrs}
+        if hasChildren:
+            yield self.error(_("Void element has children"))
+
+    def startTag(self, namespace, name, attrs):
+        assert namespace is None or isinstance(namespace, string_types), type(namespace)
+        assert isinstance(name, string_types), type(name)
+        assert all((namespace is None or isinstance(namespace, string_types)) and
+                   isinstance(name, string_types) and
+                   isinstance(value, string_types)
+                   for (namespace, name), value in attrs.items())
+
+        return {"type": "StartTag",
+                "name": text_type(name),
+                "namespace": to_text(namespace),
+                "data": dict(((to_text(namespace, False), to_text(name)),
+                              to_text(value, False))
+                             for (namespace, name), value in attrs.items())}
+
+    def endTag(self, namespace, name):
+        assert namespace is None or isinstance(namespace, string_types), type(namespace)
+        assert isinstance(name, string_types), type(namespace)
+
+        return {"type": "EndTag",
+                "name": to_text(name, False),
+                "namespace": to_text(namespace),
+                "data": {}}
+
+    def text(self, data):
+        assert isinstance(data, string_types), type(data)
+
+        data = to_text(data)
+        middle = data.lstrip(spaceCharacters)
+        left = data[:len(data) - len(middle)]
+        if left:
+            yield {"type": "SpaceCharacters", "data": left}
+        data = middle
+        middle = data.rstrip(spaceCharacters)
+        right = data[len(middle):]
+        if middle:
+            yield {"type": "Characters", "data": middle}
+        if right:
+            yield {"type": "SpaceCharacters", "data": right}
+
+    def comment(self, data):
+        assert isinstance(data, string_types), type(data)
+
+        return {"type": "Comment", "data": text_type(data)}
+
+    def doctype(self, name, publicId=None, systemId=None, correct=True):
+        assert is_text_or_none(name), type(name)
+        assert is_text_or_none(publicId), type(publicId)
+        assert is_text_or_none(systemId), type(systemId)
+
+        return {"type": "Doctype",
+                "name": to_text(name),
+                "publicId": to_text(publicId),
+                "systemId": to_text(systemId),
+                "correct": to_text(correct)}
+
+    def entity(self, name):
+        assert isinstance(name, string_types), type(name)
+
+        return {"type": "Entity", "name": text_type(name)}
+
+    def unknown(self, nodeType):
+        return self.error(_("Unknown node type: ") + nodeType)
+
+
+class NonRecursiveTreeWalker(TreeWalker):
+    def getNodeDetails(self, node):
+        raise NotImplementedError
+
+    def getFirstChild(self, node):
+        raise NotImplementedError
+
+    def getNextSibling(self, node):
+        raise NotImplementedError
+
+    def getParentNode(self, node):
+        raise NotImplementedError
+
+    def __iter__(self):
+        currentNode = self.tree
+        while currentNode is not None:
+            details = self.getNodeDetails(currentNode)
+            type, details = details[0], details[1:]
+            hasChildren = False
+
+            if type == DOCTYPE:
+                yield self.doctype(*details)
+
+            elif type == TEXT:
+                for token in self.text(*details):
+                    yield token
+
+            elif type == ELEMENT:
+                namespace, name, attributes, hasChildren = details
+                if name in voidElements:
+                    for token in self.emptyTag(namespace, name, attributes,
+                                               hasChildren):
+                        yield token
+                    hasChildren = False
+                else:
+                    yield self.startTag(namespace, name, attributes)
+
+            elif type == COMMENT:
+                yield self.comment(details[0])
+
+            elif type == ENTITY:
+                yield self.entity(details[0])
+
+            elif type == DOCUMENT:
+                hasChildren = True
+
+            else:
+                yield self.unknown(details[0])
+
+            if hasChildren:
+                firstChild = self.getFirstChild(currentNode)
+            else:
+                firstChild = None
+
+            if firstChild is not None:
+                currentNode = firstChild
+            else:
+                while currentNode is not None:
+                    details = self.getNodeDetails(currentNode)
+                    type, details = details[0], details[1:]
+                    if type == ELEMENT:
+                        namespace, name, attributes, hasChildren = details
+                        if name not in voidElements:
+                            yield self.endTag(namespace, name)
+                    if self.tree is currentNode:
+                        currentNode = None
+                        break
+                    nextSibling = self.getNextSibling(currentNode)
+                    if nextSibling is not None:
+                        currentNode = nextSibling
+                        break
+                    else:
+                        currentNode = self.getParentNode(currentNode)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/dom.py b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/dom.py
new file mode 100644
index 000000000..a01287a94
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/dom.py
@@ -0,0 +1,46 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from xml.dom import Node
+
+import gettext
+_ = gettext.gettext
+
+from . import _base
+
+
+class TreeWalker(_base.NonRecursiveTreeWalker):
+    def getNodeDetails(self, node):
+        if node.nodeType == Node.DOCUMENT_TYPE_NODE:
+            return _base.DOCTYPE, node.name, node.publicId, node.systemId
+
+        elif node.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
+            return _base.TEXT, node.nodeValue
+
+        elif node.nodeType == Node.ELEMENT_NODE:
+            attrs = {}
+            for attr in list(node.attributes.keys()):
+                attr = node.getAttributeNode(attr)
+                if attr.namespaceURI:
+                    attrs[(attr.namespaceURI, attr.localName)] = attr.value
+                else:
+                    attrs[(None, attr.name)] = attr.value
+            return (_base.ELEMENT, node.namespaceURI, node.nodeName,
+                    attrs, node.hasChildNodes())
+
+        elif node.nodeType == Node.COMMENT_NODE:
+            return _base.COMMENT, node.nodeValue
+
+        elif node.nodeType in (Node.DOCUMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE):
+            return (_base.DOCUMENT,)
+
+        else:
+            return _base.UNKNOWN, node.nodeType
+
+    def getFirstChild(self, node):
+        return node.firstChild
+
+    def getNextSibling(self, node):
+        return node.nextSibling
+
+    def getParentNode(self, node):
+        return node.parentNode
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/etree.py b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/etree.py
new file mode 100644
index 000000000..fd8a9cc9b
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/etree.py
@@ -0,0 +1,138 @@
+from __future__ import absolute_import, division, unicode_literals
+
+try:
+    from collections import OrderedDict
+except ImportError:
+    try:
+        from ordereddict import OrderedDict
+    except ImportError:
+        OrderedDict = dict
+import gettext
+_ = gettext.gettext
+
+import re
+
+from six import text_type
+
+from . import _base
+from ..utils import moduleFactoryFactory
+
+tag_regexp = re.compile("{([^}]*)}(.*)")
+
+
+def getETreeBuilder(ElementTreeImplementation):
+    ElementTree = ElementTreeImplementation
+    ElementTreeCommentType = ElementTree.Comment("asd").tag
+
+    class TreeWalker(_base.NonRecursiveTreeWalker):
+        """Given the particular ElementTree representation, this implementation,
+        to avoid using recursion, returns "nodes" as tuples with the following
+        content:
+
+        1. The current element
+
+        2. The index of the element relative to its parent
+
+        3. A stack of ancestor elements
+
+        4. A flag "text", "tail" or None to indicate if the current node is a
+           text node; either the text or tail of the current element (1)
+        """
+        def getNodeDetails(self, node):
+            if isinstance(node, tuple):  # It might be the root Element
+                elt, key, parents, flag = node
+                if flag in ("text", "tail"):
+                    return _base.TEXT, getattr(elt, flag)
+                else:
+                    node = elt
+
+            if not(hasattr(node, "tag")):
+                node = node.getroot()
+
+            if node.tag in ("DOCUMENT_ROOT", "DOCUMENT_FRAGMENT"):
+                return (_base.DOCUMENT,)
+
+            elif node.tag == "<!DOCTYPE>":
+                return (_base.DOCTYPE, node.text,
+                        node.get("publicId"), node.get("systemId"))
+
+            elif node.tag == ElementTreeCommentType:
+                return _base.COMMENT, node.text
+
+            else:
+                assert type(node.tag) == text_type, type(node.tag)
+                # This is assumed to be an ordinary element
+                match = tag_regexp.match(node.tag)
+                if match:
+                    namespace, tag = match.groups()
+                else:
+                    namespace = None
+                    tag = node.tag
+                attrs = OrderedDict()
+                for name, value in list(node.attrib.items()):
+                    match = tag_regexp.match(name)
+                    if match:
+                        attrs[(match.group(1), match.group(2))] = value
+                    else:
+                        attrs[(None, name)] = value
+                return (_base.ELEMENT, namespace, tag,
+                        attrs, len(node) or node.text)
+
+        def getFirstChild(self, node):
+            if isinstance(node, tuple):
+                element, key, parents, flag = node
+            else:
+                element, key, parents, flag = node, None, [], None
+
+            if flag in ("text", "tail"):
+                return None
+            else:
+                if element.text:
+                    return element, key, parents, "text"
+                elif len(element):
+                    parents.append(element)
+                    return element[0], 0, parents, None
+                else:
+                    return None
+
+        def getNextSibling(self, node):
+            if isinstance(node, tuple):
+                element, key, parents, flag = node
+            else:
+                return None
+
+            if flag == "text":
+                if len(element):
+                    parents.append(element)
+                    return element[0], 0, parents, None
+                else:
+                    return None
+            else:
+                if element.tail and flag != "tail":
+                    return element, key, parents, "tail"
+                elif key < len(parents[-1]) - 1:
+                    return parents[-1][key + 1], key + 1, parents, None
+                else:
+                    return None
+
+        def getParentNode(self, node):
+            if isinstance(node, tuple):
+                element, key, parents, flag = node
+            else:
+                return None
+
+            if flag == "text":
+                if not parents:
+                    return element
+                else:
+                    return element, key, parents, None
+            else:
+                parent = parents.pop()
+                if not parents:
+                    return parent
+                else:
+                    return parent, list(parents[-1]).index(parent), parents, None
+
+    return locals()
+
+getETreeModule = moduleFactoryFactory(getETreeBuilder)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/genshistream.py b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/genshistream.py
new file mode 100644
index 000000000..f559c45d0
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/genshistream.py
@@ -0,0 +1,69 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from genshi.core import QName
+from genshi.core import START, END, XML_NAMESPACE, DOCTYPE, TEXT
+from genshi.core import START_NS, END_NS, START_CDATA, END_CDATA, PI, COMMENT
+
+from . import _base
+
+from ..constants import voidElements, namespaces
+
+
+class TreeWalker(_base.TreeWalker):
+    def __iter__(self):
+        # Buffer the events so we can pass in the following one
+        previous = None
+        for event in self.tree:
+            if previous is not None:
+                for token in self.tokens(previous, event):
+                    yield token
+            previous = event
+
+        # Don't forget the final event!
+        if previous is not None:
+            for token in self.tokens(previous, None):
+                yield token
+
+    def tokens(self, event, next):
+        kind, data, pos = event
+        if kind == START:
+            tag, attribs = data
+            name = tag.localname
+            namespace = tag.namespace
+            converted_attribs = {}
+            for k, v in attribs:
+                if isinstance(k, QName):
+                    converted_attribs[(k.namespace, k.localname)] = v
+                else:
+                    converted_attribs[(None, k)] = v
+
+            if namespace == namespaces["html"] and name in voidElements:
+                for token in self.emptyTag(namespace, name, converted_attribs,
+                                           not next or next[0] != END
+                                           or next[1] != tag):
+                    yield token
+            else:
+                yield self.startTag(namespace, name, converted_attribs)
+
+        elif kind == END:
+            name = data.localname
+            namespace = data.namespace
+            if name not in voidElements:
+                yield self.endTag(namespace, name)
+
+        elif kind == COMMENT:
+            yield self.comment(data)
+
+        elif kind == TEXT:
+            for token in self.text(data):
+                yield token
+
+        elif kind == DOCTYPE:
+            yield self.doctype(*data)
+
+        elif kind in (XML_NAMESPACE, DOCTYPE, START_NS, END_NS,
+                      START_CDATA, END_CDATA, PI):
+            pass
+
+        else:
+            yield self.unknown(kind)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/lxmletree.py b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/lxmletree.py
new file mode 100644
index 000000000..bc934ac05
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/lxmletree.py
@@ -0,0 +1,204 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import text_type
+
+from lxml import etree
+from ..treebuilders.etree import tag_regexp
+
+from gettext import gettext
+_ = gettext
+
+from . import _base
+
+from .. import ihatexml
+
+
+def ensure_str(s):
+    if s is None:
+        return None
+    elif isinstance(s, text_type):
+        return s
+    else:
+        return s.decode("utf-8", "strict")
+
+
+class Root(object):
+    def __init__(self, et):
+        self.elementtree = et
+        self.children = []
+        if et.docinfo.internalDTD:
+            self.children.append(Doctype(self,
+                                         ensure_str(et.docinfo.root_name),
+                                         ensure_str(et.docinfo.public_id),
+                                         ensure_str(et.docinfo.system_url)))
+        root = et.getroot()
+        node = root
+
+        while node.getprevious() is not None:
+            node = node.getprevious()
+        while node is not None:
+            self.children.append(node)
+            node = node.getnext()
+
+        self.text = None
+        self.tail = None
+
+    def __getitem__(self, key):
+        return self.children[key]
+
+    def getnext(self):
+        return None
+
+    def __len__(self):
+        return 1
+
+
+class Doctype(object):
+    def __init__(self, root_node, name, public_id, system_id):
+        self.root_node = root_node
+        self.name = name
+        self.public_id = public_id
+        self.system_id = system_id
+
+        self.text = None
+        self.tail = None
+
+    def getnext(self):
+        return self.root_node.children[1]
+
+
+class FragmentRoot(Root):
+    def __init__(self, children):
+        self.children = [FragmentWrapper(self, child) for child in children]
+        self.text = self.tail = None
+
+    def getnext(self):
+        return None
+
+
+class FragmentWrapper(object):
+    def __init__(self, fragment_root, obj):
+        self.root_node = fragment_root
+        self.obj = obj
+        if hasattr(self.obj, 'text'):
+            self.text = ensure_str(self.obj.text)
+        else:
+            self.text = None
+        if hasattr(self.obj, 'tail'):
+            self.tail = ensure_str(self.obj.tail)
+        else:
+            self.tail = None
+
+    def __getattr__(self, name):
+        return getattr(self.obj, name)
+
+    def getnext(self):
+        siblings = self.root_node.children
+        idx = siblings.index(self)
+        if idx < len(siblings) - 1:
+            return siblings[idx + 1]
+        else:
+            return None
+
+    def __getitem__(self, key):
+        return self.obj[key]
+
+    def __bool__(self):
+        return bool(self.obj)
+
+    def getparent(self):
+        return None
+
+    def __str__(self):
+        return str(self.obj)
+
+    def __unicode__(self):
+        return str(self.obj)
+
+    def __len__(self):
+        return len(self.obj)
+
+
+class TreeWalker(_base.NonRecursiveTreeWalker):
+    def __init__(self, tree):
+        if hasattr(tree, "getroot"):
+            tree = Root(tree)
+        elif isinstance(tree, list):
+            tree = FragmentRoot(tree)
+        _base.NonRecursiveTreeWalker.__init__(self, tree)
+        self.filter = ihatexml.InfosetFilter()
+
+    def getNodeDetails(self, node):
+        if isinstance(node, tuple):  # Text node
+            node, key = node
+            assert key in ("text", "tail"), _("Text nodes are text or tail, found %s") % key
+            return _base.TEXT, ensure_str(getattr(node, key))
+
+        elif isinstance(node, Root):
+            return (_base.DOCUMENT,)
+
+        elif isinstance(node, Doctype):
+            return _base.DOCTYPE, node.name, node.public_id, node.system_id
+
+        elif isinstance(node, FragmentWrapper) and not hasattr(node, "tag"):
+            return _base.TEXT, node.obj
+
+        elif node.tag == etree.Comment:
+            return _base.COMMENT, ensure_str(node.text)
+
+        elif node.tag == etree.Entity:
+            return _base.ENTITY, ensure_str(node.text)[1:-1]  # strip &;
+
+        else:
+            # This is assumed to be an ordinary element
+            match = tag_regexp.match(ensure_str(node.tag))
+            if match:
+                namespace, tag = match.groups()
+            else:
+                namespace = None
+                tag = ensure_str(node.tag)
+            attrs = {}
+            for name, value in list(node.attrib.items()):
+                name = ensure_str(name)
+                value = ensure_str(value)
+                match = tag_regexp.match(name)
+                if match:
+                    attrs[(match.group(1), match.group(2))] = value
+                else:
+                    attrs[(None, name)] = value
+            return (_base.ELEMENT, namespace, self.filter.fromXmlName(tag),
+                    attrs, len(node) > 0 or node.text)
+
+    def getFirstChild(self, node):
+        assert not isinstance(node, tuple), _("Text nodes have no children")
+
+        assert len(node) or node.text, "Node has no children"
+        if node.text:
+            return (node, "text")
+        else:
+            return node[0]
+
+    def getNextSibling(self, node):
+        if isinstance(node, tuple):  # Text node
+            node, key = node
+            assert key in ("text", "tail"), _("Text nodes are text or tail, found %s") % key
+            if key == "text":
+                # XXX: we cannot use a "bool(node) and node[0] or None" construct here
+                # because node[0] might evaluate to False if it has no child element
+                if len(node):
+                    return node[0]
+                else:
+                    return None
+            else:  # tail
+                return node.getnext()
+
+        return (node, "tail") if node.tail else node.getnext()
+
+    def getParentNode(self, node):
+        if isinstance(node, tuple):  # Text node
+            node, key = node
+            assert key in ("text", "tail"), _("Text nodes are text or tail, found %s") % key
+            if key == "text":
+                return node
+            # else: fallback to "normal" processing
+
+        return node.getparent()
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/pulldom.py b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/pulldom.py
new file mode 100644
index 000000000..0b0f515fe
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/treewalkers/pulldom.py
@@ -0,0 +1,63 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from xml.dom.pulldom import START_ELEMENT, END_ELEMENT, \
+    COMMENT, IGNORABLE_WHITESPACE, CHARACTERS
+
+from . import _base
+
+from ..constants import voidElements
+
+
+class TreeWalker(_base.TreeWalker):
+    def __iter__(self):
+        ignore_until = None
+        previous = None
+        for event in self.tree:
+            if previous is not None and \
+                    (ignore_until is None or previous[1] is ignore_until):
+                if previous[1] is ignore_until:
+                    ignore_until = None
+                for token in self.tokens(previous, event):
+                    yield token
+                    if token["type"] == "EmptyTag":
+                        ignore_until = previous[1]
+            previous = event
+        if ignore_until is None or previous[1] is ignore_until:
+            for token in self.tokens(previous, None):
+                yield token
+        elif ignore_until is not None:
+            raise ValueError("Illformed DOM event stream: void element without END_ELEMENT")
+
+    def tokens(self, event, next):
+        type, node = event
+        if type == START_ELEMENT:
+            name = node.nodeName
+            namespace = node.namespaceURI
+            attrs = {}
+            for attr in list(node.attributes.keys()):
+                attr = node.getAttributeNode(attr)
+                attrs[(attr.namespaceURI, attr.localName)] = attr.value
+            if name in voidElements:
+                for token in self.emptyTag(namespace,
+                                           name,
+                                           attrs,
+                                           not next or next[1] is not node):
+                    yield token
+            else:
+                yield self.startTag(namespace, name, attrs)
+
+        elif type == END_ELEMENT:
+            name = node.nodeName
+            namespace = node.namespaceURI
+            if name not in voidElements:
+                yield self.endTag(namespace, name)
+
+        elif type == COMMENT:
+            yield self.comment(node.nodeValue)
+
+        elif type in (IGNORABLE_WHITESPACE, CHARACTERS):
+            for token in self.text(node.nodeValue):
+                yield token
+
+        else:
+            yield self.unknown(type)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/trie/__init__.py b/testing/web-platform/tests/tools/html5lib/html5lib/trie/__init__.py
new file mode 100644
index 000000000..a8cca8a9a
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/trie/__init__.py
@@ -0,0 +1,12 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from .py import Trie as PyTrie
+
+Trie = PyTrie
+
+try:
+    from .datrie import Trie as DATrie
+except ImportError:
+    pass
+else:
+    Trie = DATrie
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/trie/_base.py b/testing/web-platform/tests/tools/html5lib/html5lib/trie/_base.py
new file mode 100644
index 000000000..724486b16
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/trie/_base.py
@@ -0,0 +1,37 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from collections import Mapping
+
+
+class Trie(Mapping):
+    """Abstract base class for tries"""
+
+    def keys(self, prefix=None):
+        keys = super().keys()
+
+        if prefix is None:
+            return set(keys)
+
+        # Python 2.6: no set comprehensions
+        return set([x for x in keys if x.startswith(prefix)])
+
+    def has_keys_with_prefix(self, prefix):
+        for key in self.keys():
+            if key.startswith(prefix):
+                return True
+
+        return False
+
+    def longest_prefix(self, prefix):
+        if prefix in self:
+            return prefix
+
+        for i in range(1, len(prefix) + 1):
+            if prefix[:-i] in self:
+                return prefix[:-i]
+
+        raise KeyError(prefix)
+
+    def longest_prefix_item(self, prefix):
+        lprefix = self.longest_prefix(prefix)
+        return (lprefix, self[lprefix])
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/trie/datrie.py b/testing/web-platform/tests/tools/html5lib/html5lib/trie/datrie.py
new file mode 100644
index 000000000..51f3d046a
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/trie/datrie.py
@@ -0,0 +1,44 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from datrie import Trie as DATrie
+from six import text_type
+
+from ._base import Trie as ABCTrie
+
+
+class Trie(ABCTrie):
+    def __init__(self, data):
+        chars = set()
+        for key in data.keys():
+            if not isinstance(key, text_type):
+                raise TypeError("All keys must be strings")
+            for char in key:
+                chars.add(char)
+
+        self._data = DATrie("".join(chars))
+        for key, value in data.items():
+            self._data[key] = value
+
+    def __contains__(self, key):
+        return key in self._data
+
+    def __len__(self):
+        return len(self._data)
+
+    def __iter__(self):
+        raise NotImplementedError()
+
+    def __getitem__(self, key):
+        return self._data[key]
+
+    def keys(self, prefix=None):
+        return self._data.keys(prefix)
+
+    def has_keys_with_prefix(self, prefix):
+        return self._data.has_keys_with_prefix(prefix)
+
+    def longest_prefix(self, prefix):
+        return self._data.longest_prefix(prefix)
+
+    def longest_prefix_item(self, prefix):
+        return self._data.longest_prefix_item(prefix)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/trie/py.py b/testing/web-platform/tests/tools/html5lib/html5lib/trie/py.py
new file mode 100644
index 000000000..c2ba3da75
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/trie/py.py
@@ -0,0 +1,67 @@
+from __future__ import absolute_import, division, unicode_literals
+from six import text_type
+
+from bisect import bisect_left
+
+from ._base import Trie as ABCTrie
+
+
+class Trie(ABCTrie):
+    def __init__(self, data):
+        if not all(isinstance(x, text_type) for x in data.keys()):
+            raise TypeError("All keys must be strings")
+
+        self._data = data
+        self._keys = sorted(data.keys())
+        self._cachestr = ""
+        self._cachepoints = (0, len(data))
+
+    def __contains__(self, key):
+        return key in self._data
+
+    def __len__(self):
+        return len(self._data)
+
+    def __iter__(self):
+        return iter(self._data)
+
+    def __getitem__(self, key):
+        return self._data[key]
+
+    def keys(self, prefix=None):
+        if prefix is None or prefix == "" or not self._keys:
+            return set(self._keys)
+
+        if prefix.startswith(self._cachestr):
+            lo, hi = self._cachepoints
+            start = i = bisect_left(self._keys, prefix, lo, hi)
+        else:
+            start = i = bisect_left(self._keys, prefix)
+
+        keys = set()
+        if start == len(self._keys):
+            return keys
+
+        while self._keys[i].startswith(prefix):
+            keys.add(self._keys[i])
+            i += 1
+
+        self._cachestr = prefix
+        self._cachepoints = (start, i)
+
+        return keys
+
+    def has_keys_with_prefix(self, prefix):
+        if prefix in self._data:
+            return True
+
+        if prefix.startswith(self._cachestr):
+            lo, hi = self._cachepoints
+            i = bisect_left(self._keys, prefix, lo, hi)
+        else:
+            i = bisect_left(self._keys, prefix)
+
+        if i == len(self._keys):
+            return False
+
+        return self._keys[i].startswith(prefix)
diff --git a/testing/web-platform/tests/tools/html5lib/html5lib/utils.py b/testing/web-platform/tests/tools/html5lib/html5lib/utils.py
new file mode 100644
index 000000000..2f41f4dfa
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/html5lib/utils.py
@@ -0,0 +1,82 @@
+from __future__ import absolute_import, division, unicode_literals
+
+from types import ModuleType
+
+try:
+    import xml.etree.cElementTree as default_etree
+except ImportError:
+    import xml.etree.ElementTree as default_etree
+
+
+__all__ = ["default_etree", "MethodDispatcher", "isSurrogatePair",
+           "surrogatePairToCodepoint", "moduleFactoryFactory"]
+
+
+class MethodDispatcher(dict):
+    """Dict with 2 special properties:
+
+    On initiation, keys that are lists, sets or tuples are converted to
+    multiple keys so accessing any one of the items in the original
+    list-like object returns the matching value
+
+    md = MethodDispatcher({("foo", "bar"):"baz"})
+    md["foo"] == "baz"
+
+    A default value which can be set through the default attribute.
+    """
+
+    def __init__(self, items=()):
+        # Using _dictEntries instead of directly assigning to self is about
+        # twice as fast. Please do careful performance testing before changing
+        # anything here.
+        _dictEntries = []
+        for name, value in items:
+            if type(name) in (list, tuple, frozenset, set):
+                for item in name:
+                    _dictEntries.append((item, value))
+            else:
+                _dictEntries.append((name, value))
+        dict.__init__(self, _dictEntries)
+        self.default = None
+
+    def __getitem__(self, key):
+        return dict.get(self, key, self.default)
+
+
+# Some utility functions to dal with weirdness around UCS2 vs UCS4
+# python builds
+
+def isSurrogatePair(data):
+    return (len(data) == 2 and
+            ord(data[0]) >= 0xD800 and ord(data[0]) <= 0xDBFF and
+            ord(data[1]) >= 0xDC00 and ord(data[1]) <= 0xDFFF)
+
+
+def surrogatePairToCodepoint(data):
+    char_val = (0x10000 + (ord(data[0]) - 0xD800) * 0x400 +
+                (ord(data[1]) - 0xDC00))
+    return char_val
+
+# Module Factory Factory (no, this isn't Java, I know)
+# Here to stop this being duplicated all over the place.
+
+
+def moduleFactoryFactory(factory):
+    moduleCache = {}
+
+    def moduleFactory(baseModule, *args, **kwargs):
+        if isinstance(ModuleType.__name__, type("")):
+            name = "_%s_factory" % baseModule.__name__
+        else:
+            name = b"_%s_factory" % baseModule.__name__
+
+        if name in moduleCache:
+            return moduleCache[name]
+        else:
+            mod = ModuleType(name)
+            objs = factory(baseModule, *args, **kwargs)
+            mod.__dict__.update(objs)
+            moduleCache[name] = mod
+            return mod
+
+    return moduleFactory
diff --git a/testing/web-platform/tests/tools/html5lib/parse.py b/testing/web-platform/tests/tools/html5lib/parse.py
new file mode 100755
index 000000000..9cbf3b8d1
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/parse.py
@@ -0,0 +1,233 @@
+#!/usr/bin/env python
+"""usage: %prog [options] filename
+
+Parse a document to a tree, with optional profiling
+"""
+
+import sys
+import os
+import traceback
+from optparse import OptionParser
+
+from html5lib import html5parser, sanitizer
+from html5lib.tokenizer import HTMLTokenizer
+from html5lib import treebuilders, serializer, treewalkers
+from html5lib import constants
+
+def parse():
+    optParser = getOptParser()
+    opts,args = optParser.parse_args()
+    encoding = "utf8"
+
+    try:
+        f = args[-1]
+        # Try opening from the internet
+        if f.startswith('http://'):
+            try:
+                import urllib.request, urllib.parse, urllib.error, cgi
+                f = urllib.request.urlopen(f)
+                contentType = f.headers.get('content-type')
+                if contentType:
+                    (mediaType, params) = cgi.parse_header(contentType)
+                    encoding = params.get('charset')
+            except:
+                pass
+        elif f == '-':
+            f = sys.stdin
+            if sys.version_info[0] >= 3:
+                encoding = None
+        else:
+            try:
+                # Try opening from file system
+                f = open(f, "rb")
+            except IOError as e:                
+                sys.stderr.write("Unable to open file: %s\n" % e)
+                sys.exit(1)
+    except IndexError:
+        sys.stderr.write("No filename provided. Use -h for help\n")
+        sys.exit(1)
+
+    treebuilder = treebuilders.getTreeBuilder(opts.treebuilder)
+
+    if opts.sanitize:
+        tokenizer = sanitizer.HTMLSanitizer
+    else:
+        tokenizer = HTMLTokenizer
+
+    p = html5parser.HTMLParser(tree=treebuilder, tokenizer=tokenizer, debug=opts.log)
+
+    if opts.fragment:
+        parseMethod = p.parseFragment
+    else:
+        parseMethod = p.parse
+
+    if opts.profile:
+        import cProfile
+        import pstats
+        cProfile.runctx("run(parseMethod, f, encoding)", None,
+                        {"run": run,
+                         "parseMethod": parseMethod,
+                         "f": f,
+                         "encoding": encoding},
+                        "stats.prof")
+        # XXX - We should use a temp file here
+        stats = pstats.Stats('stats.prof')
+        stats.strip_dirs()
+        stats.sort_stats('time')
+        stats.print_stats()
+    elif opts.time:
+        import time
+        t0 = time.time()
+        document = run(parseMethod, f, encoding)
+        t1 = time.time()
+        if document:
+            printOutput(p, document, opts)
+            t2 = time.time()
+            sys.stderr.write("\n\nRun took: %fs (plus %fs to print the output)"%(t1-t0, t2-t1))
+        else:
+            sys.stderr.write("\n\nRun took: %fs"%(t1-t0))
+    else:
+        document = run(parseMethod, f, encoding)
+        if document:
+            printOutput(p, document, opts)
+
+def run(parseMethod, f, encoding):
+    try:
+        document = parseMethod(f, encoding=encoding)
+    except:
+        document = None
+        traceback.print_exc()
+    return document
+
+def printOutput(parser, document, opts):
+    if opts.encoding:
+        print("Encoding:", parser.tokenizer.stream.charEncoding)
+
+    for item in parser.log:
+        print(item)
+
+    if document is not None:
+        if opts.xml:
+            sys.stdout.write(document.toxml("utf-8"))
+        elif opts.tree:
+            if not hasattr(document,'__getitem__'):
+                document = [document]
+            for fragment in document:
+                print(parser.tree.testSerializer(fragment))
+        elif opts.hilite:
+            sys.stdout.write(document.hilite("utf-8"))
+        elif opts.html:
+            kwargs = {}
+            for opt in serializer.HTMLSerializer.options:
+                try:
+                    kwargs[opt] = getattr(opts,opt)
+                except:
+                    pass
+            if not kwargs['quote_char']:
+                del kwargs['quote_char']
+
+            tokens = treewalkers.getTreeWalker(opts.treebuilder)(document)
+            if sys.version_info[0] >= 3:
+                encoding = None
+            else:
+                encoding = "utf-8"
+            for text in serializer.HTMLSerializer(**kwargs).serialize(tokens, encoding=encoding):
+                sys.stdout.write(text)
+            if not text.endswith('\n'): sys.stdout.write('\n')
+    if opts.error:
+        errList=[]
+        for pos, errorcode, datavars in parser.errors:
+            errList.append("Line %i Col %i"%pos + " " + constants.E.get(errorcode, 'Unknown error "%s"' % errorcode) % datavars)
+        sys.stdout.write("\nParse errors:\n" + "\n".join(errList)+"\n")
+
+def getOptParser():
+    parser = OptionParser(usage=__doc__)
+
+    parser.add_option("-p", "--profile", action="store_true", default=False,
+                      dest="profile", help="Use the hotshot profiler to "
+                      "produce a detailed log of the run")
+
+    parser.add_option("-t", "--time",
+                      action="store_true", default=False, dest="time",
+                      help="Time the run using time.time (may not be accurate on all platforms, especially for short runs)")
+
+    parser.add_option("-b", "--treebuilder", action="store", type="string",
+                      dest="treebuilder", default="simpleTree")
+
+    parser.add_option("-e", "--error", action="store_true", default=False,
+                      dest="error", help="Print a list of parse errors")
+
+    parser.add_option("-f", "--fragment", action="store_true", default=False,
+                      dest="fragment", help="Parse as a fragment")
+
+    parser.add_option("", "--tree", action="store_true", default=False,
+                      dest="tree", help="Output as debug tree")
+
+    parser.add_option("-x", "--xml", action="store_true", default=False,
+                      dest="xml", help="Output as xml")
+
+    parser.add_option("", "--no-html", action="store_false", default=True,
+                      dest="html", help="Don't output html")
+
+    parser.add_option("", "--hilite", action="store_true", default=False,
+                      dest="hilite", help="Output as formatted highlighted code.")
+
+    parser.add_option("-c", "--encoding", action="store_true", default=False,
+                      dest="encoding", help="Print character encoding used")
+
+    parser.add_option("", "--inject-meta-charset", action="store_true",
+                      default=False, dest="inject_meta_charset",
+                      help="inject <meta charset>")
+
+    parser.add_option("", "--strip-whitespace", action="store_true",
+                      default=False, dest="strip_whitespace",
+                      help="strip whitespace")
+
+    parser.add_option("", "--omit-optional-tags", action="store_true",
+                      default=False, dest="omit_optional_tags",
+                      help="omit optional tags")
+
+    parser.add_option("", "--quote-attr-values", action="store_true",
+                      default=False, dest="quote_attr_values",
+                      help="quote attribute values")
+
+    parser.add_option("", "--use-best-quote-char", action="store_true",
+                      default=False, dest="use_best_quote_char",
+                      help="use best quote character")
+
+    parser.add_option("", "--quote-char", action="store",
+                      default=None, dest="quote_char",
+                      help="quote character")
+
+    parser.add_option("", "--no-minimize-boolean-attributes",
+                      action="store_false", default=True,
+                      dest="minimize_boolean_attributes",
+                      help="minimize boolean attributes")
+
+    parser.add_option("", "--use-trailing-solidus", action="store_true",
+                      default=False, dest="use_trailing_solidus",
+                      help="use trailing solidus")
+
+    parser.add_option("", "--space-before-trailing-solidus",
+                      action="store_true", default=False,
+                      dest="space_before_trailing_solidus",
+                      help="add space before trailing solidus")
+
+    parser.add_option("", "--escape-lt-in-attrs", action="store_true",
+                      default=False, dest="escape_lt_in_attrs",
+                      help="escape less than signs in attribute values")
+
+    parser.add_option("", "--escape-rcdata", action="store_true",
+                      default=False, dest="escape_rcdata",
+                      help="escape rcdata element values")
+
+    parser.add_option("", "--sanitize", action="store_true", default=False,
+                      dest="sanitize", help="sanitize")
+
+    parser.add_option("-l", "--log", action="store_true", default=False,
+                      dest="log", help="log state transitions")
+
+    return parser
+
+if __name__ == "__main__":
+    parse()
diff --git a/testing/web-platform/tests/tools/html5lib/requirements-install.sh b/testing/web-platform/tests/tools/html5lib/requirements-install.sh
new file mode 100755
index 000000000..5f8ba5064
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/requirements-install.sh
@@ -0,0 +1,16 @@
+#!/bin/bash -e
+
+if [[ $USE_OPTIONAL != "true" && $USE_OPTIONAL != "false" ]]; then
+  echo "fatal: \$USE_OPTIONAL not set to true or false. Exiting."
+  exit 1
+fi
+
+pip install -r requirements-test.txt
+
+if [[ $USE_OPTIONAL == "true" && $TRAVIS_PYTHON_VERSION != "pypy" ]]; then
+  if [[ $TRAVIS_PYTHON_VERSION == "2.6" ]]; then
+    pip install --allow-external Genshi --allow-insecure Genshi -r requirements-optional-2.6.txt
+  else
+    pip install --allow-external Genshi --allow-insecure Genshi -r requirements-optional-cpython.txt
+  fi
+fi
diff --git a/testing/web-platform/tests/tools/html5lib/requirements-optional-2.6.txt b/testing/web-platform/tests/tools/html5lib/requirements-optional-2.6.txt
new file mode 100644
index 000000000..37557ac40
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/requirements-optional-2.6.txt
@@ -0,0 +1,5 @@
+-r requirements-optional-cpython.txt
+
+# Can be used to force attributes to be serialized in alphabetical
+# order.
+ordereddict
diff --git a/testing/web-platform/tests/tools/html5lib/requirements-optional-cpython.txt b/testing/web-platform/tests/tools/html5lib/requirements-optional-cpython.txt
new file mode 100644
index 000000000..35ed3529c
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/requirements-optional-cpython.txt
@@ -0,0 +1,5 @@
+-r requirements-optional.txt
+
+# lxml is supported with its own treebuilder ("lxml") and otherwise
+# uses the standard ElementTree support
+lxml
diff --git a/testing/web-platform/tests/tools/html5lib/requirements-optional.txt b/testing/web-platform/tests/tools/html5lib/requirements-optional.txt
new file mode 100644
index 000000000..c63552701
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/requirements-optional.txt
@@ -0,0 +1,13 @@
+-r requirements.txt
+
+# We support a Genshi treewalker that can be used to serialize Genshi
+# streams.
+genshi
+
+# DATrie can be used in place of our Python trie implementation for
+# slightly better parsing performance.
+datrie
+
+# charade can be used as a fallback in case we are unable to determine
+# the encoding of a document.
+charade
diff --git a/testing/web-platform/tests/tools/html5lib/requirements-test.txt b/testing/web-platform/tests/tools/html5lib/requirements-test.txt
new file mode 100644
index 000000000..d5f8088c1
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/requirements-test.txt
@@ -0,0 +1,5 @@
+-r requirements.txt
+
+flake8
+nose
+ordereddict # Python 2.6
diff --git a/testing/web-platform/tests/tools/html5lib/requirements.txt b/testing/web-platform/tests/tools/html5lib/requirements.txt
new file mode 100644
index 000000000..ffe2fce49
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/requirements.txt
@@ -0,0 +1 @@
+six
diff --git a/testing/web-platform/tests/tools/html5lib/setup.py b/testing/web-platform/tests/tools/html5lib/setup.py
new file mode 100644
index 000000000..f75910eaf
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/setup.py
@@ -0,0 +1,44 @@
+from distutils.core import setup
+import os
+import codecs
+
+classifiers=[
+    'Development Status :: 5 - Production/Stable',
+    'Intended Audience :: Developers',
+    'License :: OSI Approved :: MIT License',
+    'Operating System :: OS Independent',
+    'Programming Language :: Python',
+    'Programming Language :: Python :: 2',
+    'Programming Language :: Python :: 2.6',
+    'Programming Language :: Python :: 2.7',
+    'Programming Language :: Python :: 3',
+    'Programming Language :: Python :: 3.2',
+    'Programming Language :: Python :: 3.3',
+    'Topic :: Software Development :: Libraries :: Python Modules',
+    'Topic :: Text Processing :: Markup :: HTML'
+    ]
+
+packages = ['html5lib'] + ['html5lib.'+name
+                           for name in os.listdir(os.path.join('html5lib'))
+                           if os.path.isdir(os.path.join('html5lib', name)) and
+                           not name.startswith('.') and name != 'tests']
+
+current_dir = os.path.dirname(__file__)
+with codecs.open(os.path.join(current_dir, 'README.rst'), 'r', 'utf8') as readme_file:
+    with codecs.open(os.path.join(current_dir, 'CHANGES.rst'), 'r', 'utf8') as changes_file:
+        long_description = readme_file.read() + '\n' + changes_file.read()
+
+setup(name='html5lib',
+      version='0.9999-dev',
+      url='https://github.com/html5lib/html5lib-python',
+      license="MIT License",
+      description='HTML parser based on the WHATWG HTML specifcation',
+      long_description=long_description,
+      classifiers=classifiers,
+      maintainer='James Graham',
+      maintainer_email='james@hoppipolla.co.uk',
+      packages=packages,
+      install_requires=[
+          'six',
+      ],
+      )
diff --git a/testing/web-platform/tests/tools/html5lib/tox.ini b/testing/web-platform/tests/tools/html5lib/tox.ini
new file mode 100644
index 000000000..479f9e1f7
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/tox.ini
@@ -0,0 +1,30 @@
+[tox]
+envlist = py26,py27,py32,py33,py34,pypy
+
+[testenv]
+deps =
+  -r{toxinidir}/requirements-optional-cpython.txt
+  flake8
+  nose
+commands =
+  {envbindir}/nosetests -q
+  {toxinidir}/flake8-run.sh
+install_command =
+  pip install {opts} {packages}
+
+[testenv:pypy]
+# lxml doesn't work and datrie doesn't make sense
+# (it's slower than the pure-python version)
+deps =
+  charade
+  flake8
+  Genshi
+  nose
+  six
+
+[testenv:py26]
+basepython = python2.6
+deps =
+  -r{toxinidir}/requirements-optional-2.6.txt
+  flake8
+  nose
diff --git a/testing/web-platform/tests/tools/html5lib/utils/entities.py b/testing/web-platform/tests/tools/html5lib/utils/entities.py
new file mode 100644
index 000000000..116a27cbc
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/utils/entities.py
@@ -0,0 +1,88 @@
+import json
+
+import html5lib
+
+def parse(path="html5ents.xml"):
+    return html5lib.parse(open(path), treebuilder="lxml")
+
+def entity_table(tree):
+    return dict((entity_name("".join(tr[0].xpath(".//text()"))),
+                 entity_characters(tr[1].text))
+                for tr in tree.xpath("//h:tbody/h:tr",
+                                     namespaces={"h":"http://www.w3.org/1999/xhtml"}))
+
+def entity_name(inp):
+    return inp.strip()
+
+def entity_characters(inp):
+    return "".join(codepoint_to_character(item)
+                    for item in inp.split()
+                    if item)
+
+def codepoint_to_character(inp):
+    return ("\U000"+inp[2:]).decode("unicode-escape")
+
+def make_tests_json(entities):
+    test_list = make_test_list(entities)
+    tests_json = {"tests":
+                      [make_test(*item) for item in test_list]
+                  }
+    return tests_json
+
+def make_test(name, characters, good):
+    return {
+        "description":test_description(name, good),
+        "input":"&%s"%name,
+        "output":test_expected(name, characters, good)
+        }
+
+def test_description(name, good):
+    with_semicolon = name.endswith(";")
+    semicolon_text = {True:"with a semi-colon",
+                      False:"without a semi-colon"}[with_semicolon]
+    if good:
+        text = "Named entity: %s %s"%(name, semicolon_text)
+    else:
+        text = "Bad named entity: %s %s"%(name, semicolon_text)
+    return text
+
+def test_expected(name, characters, good):
+    rv = []
+    if not good or not name.endswith(";"):
+        rv.append("ParseError")
+    rv.append(["Character", characters])
+    return rv
+
+def make_test_list(entities):
+    tests = []
+    for entity_name, characters in entities.items():
+        if entity_name.endswith(";") and not subentity_exists(entity_name, entities):
+            tests.append((entity_name[:-1], "&" + entity_name[:-1], False))
+        tests.append((entity_name, characters, True))
+    return sorted(tests)
+
+def subentity_exists(entity_name, entities):
+    for i in range(1, len(entity_name)):
+        if entity_name[:-i] in entities:
+            return True
+    return False
+
+def make_entities_code(entities):
+    entities_text = "\n".join("    \"%s\": u\"%s\","%(
+            name, entities[name].encode(
+                "unicode-escape").replace("\"", "\\\""))
+                              for name in sorted(entities.keys()))
+    return """entities = {
+%s
+}"""%entities_text
+
+def main():
+    entities = entity_table(parse())
+    tests_json = make_tests_json(entities)
+    json.dump(tests_json, open("namedEntities.test", "w"), indent=4)
+    code = make_entities_code(entities)
+    open("entities_constants.py", "w").write(code)
+
+if __name__ == "__main__":
+    main()
+
diff --git a/testing/web-platform/tests/tools/html5lib/utils/iana_parse.py b/testing/web-platform/tests/tools/html5lib/utils/iana_parse.py
new file mode 100644
index 000000000..6dde94c28
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/utils/iana_parse.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+import sys
+import urllib.request, urllib.error, urllib.parse
+import codecs
+
+def main():
+    encodings = []
+    f = urllib.request.urlopen(sys.argv[1])
+    for line in f:
+        if line.startswith("Name: ") or line.startswith("Alias: "):
+            enc = line.split()[1]
+            try:
+                codecs.lookup(enc)
+                if enc.lower not in encodings:
+                    encodings.append(enc.lower())
+            except LookupError:
+                pass
+    sys.stdout.write("encodings = frozenset((\n")
+    for enc in encodings:
+        sys.stdout.write('    "%s",\n'%enc)
+    sys.stdout.write('    ))')
+
+if __name__ == "__main__":
+    main()
+\ No newline at end of file
diff --git a/testing/web-platform/tests/tools/html5lib/utils/spider.py b/testing/web-platform/tests/tools/html5lib/utils/spider.py
new file mode 100644
index 000000000..a7b803197
--- /dev/null
+++ b/testing/web-platform/tests/tools/html5lib/utils/spider.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python
+"""Spider to try and find bugs in the parser. Requires httplib2 and elementtree
+
+usage:
+import spider
+s = spider.Spider()
+s.spider("http://www.google.com", maxURLs=100)
+"""
+
+import urllib.request, urllib.error, urllib.parse
+import urllib.robotparser
+import md5
+
+import httplib2
+
+import html5lib
+from html5lib.treebuilders import etree
+
+class Spider(object):
+    def __init__(self):
+        self.unvisitedURLs = set()
+        self.visitedURLs = set()
+        self.buggyURLs=set()
+        self.robotParser = urllib.robotparser.RobotFileParser()
+        self.contentDigest = {}
+        self.http = httplib2.Http(".cache")
+
+    def run(self, initialURL, maxURLs=1000):
+        urlNumber = 0
+        self.visitedURLs.add(initialURL)
+        content = self.loadURL(initialURL)
+        while maxURLs is None or urlNumber < maxURLs:
+            if content is not None:
+                self.parse(content)
+                urlNumber += 1
+            if not self.unvisitedURLs:
+                break
+            content = self.loadURL(self.unvisitedURLs.pop())
+
+    def parse(self, content):
+        failed = False
+        p = html5lib.HTMLParser(tree=etree.TreeBuilder)
+        try:
+            tree = p.parse(content)
+        except:
+            self.buggyURLs.add(self.currentURL)
+            failed = True
+            print("BUGGY:", self.currentURL)
+        self.visitedURLs.add(self.currentURL)
+        if not failed:
+            self.updateURLs(tree)
+
+    def loadURL(self, url):
+        resp, content = self.http.request(url, "GET")
+        self.currentURL = url
+        digest = md5.md5(content).hexdigest()
+        if digest in self.contentDigest:
+            content = None
+            self.visitedURLs.add(url)
+        else:
+            self.contentDigest[digest] = url
+
+        if resp['status'] != "200":
+            content = None
+
+        return content
+
+    def updateURLs(self, tree):
+        """Take all the links in the current document, extract the URLs and
+        update the list of visited and unvisited URLs according to whether we
+        have seen them before or not"""
+        urls = set()
+        #Remove all links we have already visited
+        for link in tree.findall(".//a"):
+                try:
+                    url = urllib.parse.urldefrag(link.attrib['href'])[0]
+                    if (url and url not in self.unvisitedURLs and url
+                        not in self.visitedURLs):
+                        urls.add(url)
+                except KeyError:
+                    pass
+
+        #Remove all non-http URLs and a dd a sutiable base URL where that is
+        #missing
+        newUrls = set()
+        for url in urls:
+            splitURL = list(urllib.parse.urlsplit(url))
+            if splitURL[0] != "http":
+                continue
+            if splitURL[1] == "":
+                splitURL[1] = urllib.parse.urlsplit(self.currentURL)[1]
+            newUrls.add(urllib.parse.urlunsplit(splitURL))
+        urls = newUrls
+
+        responseHeaders = {}
+        #Now we want to find the content types of the links we haven't visited
+        for url in urls:
+            try:
+                resp, content = self.http.request(url, "HEAD")
+                responseHeaders[url] = resp
+            except AttributeError as KeyError:
+                #Don't know why this happens
+                pass
+
+
+        #Remove links not of content-type html or pages not found
+        #XXX - need to deal with other status codes?
+        toVisit = set([url for url in urls if url in responseHeaders and
+                      "html" in responseHeaders[url]['content-type'] and
+                      responseHeaders[url]['status'] == "200"])
+
+        #Now check we are allowed to spider the page
+        for url in toVisit:
+            robotURL = list(urllib.parse.urlsplit(url)[:2])
+            robotURL.extend(["robots.txt", "", ""])
+            robotURL = urllib.parse.urlunsplit(robotURL)
+            self.robotParser.set_url(robotURL)
+            if not self.robotParser.can_fetch("*", url):
+                toVisit.remove(url)
+
+        self.visitedURLs.update(urls)
+        self.unvisitedURLs.update(toVisit)
author	Matt A. Tobin <mattatobin@localhost.localdomain>	2018-02-02 04:16:08 -0500
committer	Matt A. Tobin <mattatobin@localhost.localdomain>	2018-02-02 04:16:08 -0500
commit	5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree	10027f336435511475e392454359edea8e25895d /testing/web-platform/tests/tools/html5lib
parent	49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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