code: def _prepareSubForm(self, liveForm):
          
          liveForm = liveForm.asSubForm(self.name) # XXX Why did this work???
          # if we are compact, tell the liveform so it can tell its parameters
          # also
          if self._parameterIsCompact:
              liveForm.compact()
          return liveForm
docs: Utility for turning liveforms into subforms, and compacting them as
          necessary.
  
          @param liveForm: a liveform.
          @type liveForm: L{LiveForm}
  
          @return: a sub form.
          @rtype: L{LiveForm}