docs: def unescape(self):
          """
          Within an interpolation, evaluation, or escaping, remove HTML escaping
          that had been previously added.
          """
          for i, k in enumerate(self._html_escape_table):
              v = self._html_escape_table[k]
              self.obj = self.obj.replace(v, k)
  
          return self._wrap(self.obj)