docs: def _parse_feature(self, info):
          """Parse a feature command."""
          parts = info.split(b'=', 1)
          name = parts[0]
          if len(parts) > 1:
              value = self._path(parts[1])
          else:
              value = None
          self.features[name] = value
          return commands.FeatureCommand(name, value, lineno=self.lineno)