we need the information later to decide if the unbreakable content should stay on the current line or not.
Created attachment 418956 [details] Patch
Created attachment 418995 [details] Patch
Committed r272208: <https://trac.webkit.org/changeset/272208> All reviewed patches have been landed. Closing bug and clearing flags on attachment 418995 [details].
<rdar://problem/73880597>