Code written by Kathy Brady and tested by Yours Truly. Now, NotifyOfInsertion() has a new parameter, telling it whether the paste/drop/InsertHTML event will require the editor to delete the current selection (e.g. for a Paste) or not (e.g. for a Drop). git-svn-id: svn://10.0.0.236/branches/ANGELON_MOZ12_BRANCH@142070 18797224-902f-48f8-a5cc-f745e15eee43