code: def _wrapusage(self, usage=None, width=0):
          
          if not width:
              width = self.width
          return textwrap.fill('USAGE: ' + self.format_usage(usage), width=width, subsequent_indent='    ...')
docs: Textwrap usage instructions.
          ARGS:
          width = 0 <int>:
              Maximum allowed page width. 0 means use default from
              self.iMaxHelpWidth.