Undo does not seem to work via execCommand in WebKit2 windows. Steps to reproduce: 1) Load exec-command-undo.html tests Results: Text is bold because the undo failed.
<rdar://problem/8862023>
Created attachment 88711 [details] Patch
Comment on attachment 88711 [details] Patch I am not yet a reviewer, but unofficial r=me!
http://trac.webkit.org/changeset/83194