At least not until we properly implement the Region interface: http://dev.w3.org/csswg/css-regions/#the-region-interface
Created attachment 210367 [details] Patch
Comment on attachment 210367 [details] Patch Clearing flags on attachment: 210367 Committed r154982: <http://trac.webkit.org/changeset/154982>
All reviewed patches have been landed. Closing bug.