code: def get_docargs(self, args=None, prt=None):
          
          # docargs = self.objdoc.get_docargs(args, exp_letters=set(['o', 't', 'p', 'c']))
          docargs = self.objdoc.get_docargs(args, prt)
          self._chk_docopts(docargs)
          return docargs
docs: Pare down docopt. Return a minimal dictionary and a set containing runtime arg values.