CTTE: RenderMathMLSpace always has a MathMLTextElement.
Created attachment 214502 [details] Patch
Created attachment 214504 [details] Patch
Comment on attachment 214504 [details] Patch why
Created attachment 214506 [details] Patch
Comment on attachment 214506 [details] Patch Clearing flags on attachment: 214506 Committed r157613: <http://trac.webkit.org/changeset/157613>
All reviewed patches have been landed. Closing bug.