Fast HTML parser fails to call beginParsingChildren() / finishParsingChildren() on Elements it parses. This causes some elements to think they're still parsing. This was found to cause some breakage on Gmail by Chrome: - https://chromium-review.googlesource.com/c/chromium/src/+/4307182 - https://chromium-review.googlesource.com/c/chromium/src/+/4316942
Pull request: https://github.com/WebKit/WebKit/pull/11886
Committed 262049@main (c155b303263d): <https://commits.webkit.org/262049@main> Reviewed commits have been landed. Closing PR #11886 and removing active labels.
<rdar://problem/107163231>