Move fast character comparison functions from JavaScriptCore/KeywordLookup.h to WTF/text/FastCharacterComparison.h and reuse them in the HTML fast parser.
Pull request: https://github.com/WebKit/WebKit/pull/18727
Committed 268959@main (1832ad030f7d): <https://commits.webkit.org/268959@main> Reviewed commits have been landed. Closing PR #18727 and removing active labels.
<rdar://problem/116555809>