code: def settingshelp(self, width=0):
          
          out = []
          out.append(self._wrap(self.docs['title'], width=width))
          if self.docs['description']:
              out.append(self._wrap(self.docs['description'], indent=2, width=width))
          out.append('')
          out.append('SETTINGS:')
          out.append(self.strsettings(indent=2, width=width))
          out.append('')
          return '\n'.join(out)
docs: Return a summary of program options, their values and origins.
          
          width is maximum allowed page width, use self.width if 0.