and not the content logical width. They are mostly the same except when negative word-spacing (letter spacing) pulls the content to the logical left direction.
Created attachment 415764 [details] Patch
Created attachment 415791 [details] Patch
Committed r270629: <https://trac.webkit.org/changeset/270629> All reviewed patches have been landed. Closing bug and clearing flags on attachment 415791 [details].
<rdar://problem/72184696>