This was already done for MathML Core in bug 197492 (although the title of this bug is confusing). The MathML WG agreed to do the same for https://w3c.github.io/mathml This is not yet done in the spec, but discussed in https://github.com/w3c/mathml/issues/361
Pull request: https://github.com/WebKit/WebKit/pull/3844
<rdar://problem/99639158>
Committed 254511@main (4a0c051cc51c): <https://commits.webkit.org/254511@main> Reviewed commits have been landed. Closing PR #3844 and removing active labels.