The mark element should be exposed as AXGroup/?/"highlighted source: http://rawgit.com/w3c/aria/master/html-aam/html-aam.html <rdar://problem/26638360>
Created attachment 292127 [details] patch
Comment on attachment 292127 [details] patch Clearing flags on attachment: 292127 Committed r207583: <http://trac.webkit.org/changeset/207583>
All reviewed patches have been landed. Closing bug.