At least on macOS, when we use the complex text layout path, then InlineTextBoxes for text at `font-size: 0` still take up space.
<rdar://71157257>
Created attachment 424736 [details] Patch
Comment on attachment 424736 [details] Patch Er I should write a proper ChangeLog first.
Created attachment 424831 [details] Patch
Committed r275326: <https://commits.webkit.org/r275326> All reviewed patches have been landed. Closing bug and clearing flags on attachment 424831 [details].