[webkit-changes] [WebKit/WebKit] 26b96b: Improve <li> support in the HTML fast parser

[Chris Dumez]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 26b96bce3e5f8e65fec3bcd642aecac66856e2d7
      https://github.com/WebKit/WebKit/commit/26b96bce3e5f8e65fec3bcd642aecac66856e2d7
  Author: Chris Dumez <cdumez at apple.com>
  Date:   2023-08-23 (Wed, 23 Aug 2023)

  Changed paths:
    M Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp
    M Tools/TestWebKitAPI/Tests/WebCore/HTMLParserIdioms.cpp

  Log Message:
  -----------
  Improve <li> support in the HTML fast parser
https://bugs.webkit.org/show_bug.cgi?id=260619

Reviewed by Ryosuke Niwa.

This moves <li> to flow, so that it will be created in more situations. As
<li>s have special handling (primarily around nesting) this will not handle all
situations. In particular, if an <li> is encountered inside an <li> then the
fast parser aborts.

This is a cherry-pick from Blink:
- https://chromium-review.googlesource.com/c/chromium/src/+/4516018

* Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp:
(WebCore::HTMLFastPathParser::parseElement):
* Tools/TestWebKitAPI/Tests/WebCore/HTMLParserIdioms.cpp:
(TestWebKitAPI::TEST):

Canonical link: https://commits.webkit.org/267207@main