https://github.com/whatwg/html/pull/9400
<rdar://problem/114677170>
Pull request: https://github.com/WebKit/WebKit/pull/17402
Committed 267756@main (d4b4fa5cfed7): <https://commits.webkit.org/267756@main> Reviewed commits have been landed. Closing PR #17402 and removing active labels.