This is, admittedly, still behind the ENABLE_CSS3_TEXT compile-time flag (though on the face of it there's no reason for this to be compile-time!), but nevertheless at this point there is no reason for this to be prefixed.
<rdar://problem/82177456>
Pull request: https://github.com/WebKit/WebKit/pull/1172
Pull request: https://github.com/WebKit/WebKit/pull/1176
Committed r295049 (251144@main): <https://commits.webkit.org/251144@main> Reviewed commits have been landed. Closing PR #1176 and removing active labels.
*** Bug 117534 has been marked as a duplicate of this bug. ***