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diff --git a/testing/web-platform/tests/html/syntax/parsing/template/appending-to-a-template/template-child-nodes.html b/testing/web-platform/tests/html/syntax/parsing/template/appending-to-a-template/template-child-nodes.html
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+++ b/testing/web-platform/tests/html/syntax/parsing/template/appending-to-a-template/template-child-nodes.html
@@ -0,0 +1,116 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>HTML Templates: HTML parser appends child nodes only to the template contents node</title>
+<meta name="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
+<meta name="author" title="Aleksei Yu. Semenov" href="mailto:a.semenov@unipro.ru">
+<meta name="assert" content="HTML parser must append template's child nodes only to the template contents node.">
+<link rel="help" href="http://www.w3.org/TR/2013/WD-html-templates-20130214/#appending-to-a-template">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/html/resources/common.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<script type="text/javascript">
+
+
+test(function () {
+    var doc = newHTMLDocument();
+    doc.body.innerHTML = '<template id="tmpl1">' +
+        '<div id="div1">This is div inside template</div>' +
+        '<div id="div2">This is another div inside template</div>' +
+        '</template>';
+
+    var template = doc.querySelector('#tmpl1');
+
+    assert_equals(template.childNodes.length, 0, 'Wrong number of template child nodes');
+    assert_equals(template.content.childNodes.length, 2,
+            'Wrong number of template content child nodes');
+
+    assert_not_equals(template.content.querySelector('#div1'), null,
+            'Element is absent in the template content');
+    assert_not_equals(template.content.querySelector('#div2'), null,
+            'Element is absent in the template content');
+
+}, 'Template child nodes must be appended to template content node');
+
+
+
+test(function () {
+    var doc = newHTMLDocument();
+    doc.body.innerHTML = '<template id="tmpl1">' +
+        '<div id="div1">This is div inside template</div>' +
+        '<div id="div2">This is another div inside template</div>' +
+        '<template id="tmpl2">' +
+        '<div id="div3">This is div inside nested template</div>' +
+        '<div id="div4">This is another div inside nested template</div>' +
+        '</template>' +
+        '</template>';
+
+    var template = doc.querySelector('#tmpl1');
+
+    assert_equals(template.childNodes.length, 0,
+            'Wrong number of template child nodes');
+    assert_equals(template.content.childNodes.length, 3,
+            'Wrong number of template content child nodes');
+
+    assert_not_equals(template.content.querySelector('#div1'), null,
+            'Element is absent in the template content');
+    assert_not_equals(template.content.querySelector('#div2'), null,
+            'Element is absent in the template content');
+
+    var nestedTemplate = template.content.querySelector('#tmpl2');
+
+    assert_equals(nestedTemplate.childNodes.length, 0,
+            'Wrong number of template child nodes');
+    assert_equals(nestedTemplate.content.childNodes.length, 2,
+            'Wrong number of nested template content child nodes');
+
+    assert_not_equals(nestedTemplate.content.querySelector('#div3'), null,
+            'Element is absent in the template content');
+    assert_not_equals(nestedTemplate.content.querySelector('#div4'), null,
+            'Element is absent in the template content');
+
+}, 'Template child nodes must be appended to template content. Test nested template');
+
+
+
+testInIFrame('/html/semantics/scripting-1/the-template-element/resources/template-contents.html', function(context) {
+    var doc = context.iframes[0].contentDocument;
+
+    var template = doc.querySelector('template');
+
+    assert_equals(template.childNodes.length, 0, 'Wrong number of template child nodes');
+
+    assert_not_equals(template.content.querySelector('div'), null,
+            'Element is absent in the template content');
+
+}, 'Template child nodes must be appended to template content node. '
+    + 'Load HTML document from a file');
+
+
+testInIFrame('/html/semantics/scripting-1/the-template-element/resources/template-contents-nested.html', function(context) {
+    var doc = context.iframes[0].contentDocument;
+
+    var template = doc.querySelector('template');
+
+    assert_equals(template.childNodes.length, 0, 'Wrong number of template child nodes');
+
+    var nestedTemplate = template.content.querySelector('template');
+
+    assert_not_equals(nestedTemplate, null,
+            'Element is absent in the template content');
+
+    assert_equals(nestedTemplate.childNodes.length, 0,
+            'Wrong number of template child nodes');
+
+    assert_not_equals(nestedTemplate.content.querySelector('div'), null,
+            'Element is absent in the template content');
+
+}, 'Template child nodes must be appended to nested template content node. '
+    + 'Load HTML document from a file');
+
+</script>
+</body>
+</html>