     return  unless changedString is string
 
     @applyChange change
+
+
+  removeCollaborativeString: -> @rtm.delete 'string', @getFile().path
 
 
   isChangedByMe: (change) -> return change.isLocal

    @file.on 'fs.save.finished', =>
      ace.removeModifiedFromTab()
      @updateFileModifiedTime()

    @file.on 'FileContentsNeedsToBeRefreshed', =>
      ace.fetchContents (err, content) =>

    ace = @getAce()

    ace.ready =>
      @setContent string.getText(), no

      if ace.contentChanged = ace.isCurrentContentChanged()
        ace.emit 'FileContentChanged'


  listenCollaborativeStringChanges: ->
