<style> div { line-height: 100px; } </style> <div><span>empty root inline box</span></div> ^^this should produce a ~100px tall line box.
Created attachment 419513 [details] Patch
Created attachment 419515 [details] Patch
Created attachment 419521 [details] Patch
Committed r272468: <https://commits.webkit.org/r272468> All reviewed patches have been landed. Closing bug and clearing flags on attachment 419521 [details].
<rdar://problem/74206819>