docs: def makecfgdoc(taskname, doc):
      """In Python 2.x you can't alter the __doc__ of a class after you define it,
      so we need to provide a function that does the munging when we define each
      class. This is that function.
  
      """
      doc_args = dict(
          bulk = '\n'.join(l for l in doc.splitlines() if not l.startswith ('casatask ')),
          taskname = taskname
      )
  
      return _kwcli_cfg_class_doc_template % doc_args