docs: def init_editing_mode(self, e): # (C-e)
          u'''When in vi command mode, this causes a switch to emacs editing
          mode.'''
  
          self._bind_exit_key(u'Control-d')
          self._bind_exit_key(u'Control-z')
  
          # I often accidentally hold the shift or control while typing space
          self._bind_key(u'Shift-space',       self.self_insert)
          self._bind_key(u'Control-space',     self.self_insert)
          self._bind_key(u'Return',            self.accept_line)
          self._bind_key(u'Left',              self.backward_char)
          self._bind_key(u'Control-b',         self.backward_char)
          self._bind_key(u'Right',             self.forward_char)
          self._bind_key(u'Control-f',         self.forward_char)
          self._bind_key(u'BackSpace',         self.backward_delete_char)
          self._bind_key(u'Home',              self.beginning_of_line)
          self._bind_key(u'End',               self.end_of_line)
          self._bind_key(u'Delete',            self.delete_char)
          self._bind_key(u'Control-d',         self.delete_char)
          self._bind_key(u'Clear',             self.clear_screen)