text<float box></float box>content is one unbreakable content with [float box] and [textcontent]
<rdar://problem/59708646>
Created attachment 391495 [details] Patch
Created attachment 391563 [details] Patch
Float handling?
Created attachment 391564 [details] Patch
Comment on attachment 391564 [details] Patch Clearing flags on attachment: 391564 Committed r257236: <https://trac.webkit.org/changeset/257236>
All reviewed patches have been landed. Closing bug.