A file was saved in editorstack, this notifies others

def file_saved_in_editorstack(self, editorstack_id_str,
                                  original_filename, filename):
        """A file was saved in editorstack, this notifies others"""
        for editorstack in self.editorstacks:
            if str(id(editorstack)) != editorstack_id_str:
                editorstack.file_saved_in_other_editorstack(original_filename,
                                                            filename)