code: def reset_to_default(self):
          
          # Checks that this is indeed a default scheme
          scheme = self.current_scheme
          names = self.get_option('names')
          if scheme in names:
              for key in syntaxhighlighters.COLOR_SCHEME_KEYS:
                  option = "{0}/{1}".format(scheme, key)
                  value = CONF.get_default(self.CONF_SECTION, option)
                  self.set_option(option, value)
  
              self.load_from_conf()
docs: Restore initial values for default color schemes.