docs: def alias(self):
          """ If the _alias cache is None, just build the alias from the item
          name.
          """
          if self._alias is None:
              if self.name in self.aliases_fix:
                  self._alias = self.aliases_fix[self.name]
              else:
                  self._alias = self.name.lower()\
                                    .replace(' ', '-')\
                                    .replace('(', '')\
                                    .replace(')', '')
          return self._alias