Right now, WebKit doesn't use the context element's namespace as the default namespace in the XHTML fragment parsing algorithm
when xmlns is not set as specified in http://www.whatwg.org/specs/web-apps/current-work/multipage/the-xhtml-syntax.html#parsing-xhtml-fragments
Created attachment 218265 [details]
Comment on attachment 218265 [details]
Clearing flags on attachment: 218265
Committed r160024: <http://trac.webkit.org/changeset/160024>
All reviewed patches have been landed. Closing bug.
Filed https://bugzilla.mozilla.org/show_bug.cgi?id=946119 to track the Gecko bug.