aria-errormessage attribute allows to refer to a list of elements in WebKit. Other browsers only allow to reference one element, but there's an ARIA issue about changing that: https://github.com/w3c/aria/issues/1730 Current implementation of IDREF attribute reflection in WebKit only allows to reference to one element, which is inconsistent with the attribute.
<rdar://problem/99974391>
Pull request: https://github.com/WebKit/WebKit/pull/4389
Committed 254530@main (a4c2d5930246): <https://commits.webkit.org/254530@main> Reviewed commits have been landed. Closing PR #4389 and removing active labels.