This is governed by https://unicode.org/reports/tr14
Created attachment 441847 [details] Patch
Committed r284530 (243272@main): <https://commits.webkit.org/243272@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 441847 [details].
<rdar://problem/84460046>
mid work. haha. thanks Darin.
No mid work breaks allowed