(the fix is to special-case these elements in nsXULDocument::ResumeWalk
and manually call UpdateStylesheet on them after the element and its subtree
is fully constructed and inserted into the document)
r=bz, sr=peterv
git-svn-id: svn://10.0.0.236/trunk@222338 18797224-902f-48f8-a5cc-f745e15eee43
Don't create XUL "placeholder" element for them, instead use the same logic as elsewhere, as these nodes can end up in the master document.
r=smaug, sr=sicking
git-svn-id: svn://10.0.0.236/trunk@219176 18797224-902f-48f8-a5cc-f745e15eee43
