From c3643770724119efc1ec8b3fe4e2571db0f897b6 Mon Sep 17 00:00:00 2001
From: Henri Sivonen <hsivonen@hsivonen.fi>
Date: Sat, 20 Jul 2019 15:23:12 +0200
Subject: Bug 1555523.

---
 parser/html/javasrc/Tokenizer.java | 9 +++------
 parser/html/nsHtml5Tokenizer.cpp   | 7 ++-----
 2 files changed, 5 insertions(+), 11 deletions(-)

(limited to 'parser')

diff --git a/parser/html/javasrc/Tokenizer.java b/parser/html/javasrc/Tokenizer.java
index d9eaafeb3..70e1df75c 100644
--- a/parser/html/javasrc/Tokenizer.java
+++ b/parser/html/javasrc/Tokenizer.java
@@ -3850,12 +3850,9 @@ public class Tokenizer implements Locator {
                                     tokenHandler.characters(
                                             Tokenizer.LT_SOLIDUS, 0, 2);
                                     emitStrBuf();
-                                    if (c == '\u0000') {
-                                        emitReplacementCharacter(buf, pos);
-                                    } else {
-                                        cstart = pos; // don't drop the
-                                        // character
-                                    }
+                                    cstart = pos; // don't drop the
+                                                  // character
+                                    reconsume = true;
                                     state = transition(state, returnState, reconsume, pos);
                                     continue stateloop;
                             }
diff --git a/parser/html/nsHtml5Tokenizer.cpp b/parser/html/nsHtml5Tokenizer.cpp
index a9db8d0c1..e70c081bf 100644
--- a/parser/html/nsHtml5Tokenizer.cpp
+++ b/parser/html/nsHtml5Tokenizer.cpp
@@ -2093,11 +2093,8 @@ nsHtml5Tokenizer::stateLoop(int32_t state, char16_t c, int32_t pos, char16_t* bu
               default: {
                 tokenHandler->characters(nsHtml5Tokenizer::LT_SOLIDUS, 0, 2);
                 emitStrBuf();
-                if (c == '\0') {
-                  emitReplacementCharacter(buf, pos);
-                } else {
-                  cstart = pos;
-                }
+                cstart = pos;
+                reconsume = true;
                 state = P::transition(mViewSource, returnState, reconsume, pos);
                 NS_HTML5_CONTINUE(stateloop);
               }
-- 
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