just block it when parsing starts and unblock when parsing is done. Bug 294114 followup, r+sr=jst git-svn-id: svn://10.0.0.236/trunk@178689 18797224-902f-48f8-a5cc-f745e15eee43
just block it when parsing starts and unblock when parsing is done. Bug 294114 followup, r+sr=jst git-svn-id: svn://10.0.0.236/trunk@178689 18797224-902f-48f8-a5cc-f745e15eee43