docs: def add_texts(self, reference_id, texts):
          """\
          Adds the words from the provided iterable `texts` to the corpus.
  
          The strings will be tokenized.
  
          `reference_id`
              The reference identifier of the cable.
          `texts`
              An iterable of strings.
          """
          self.add_words(reference_id, chain(*(self._tokenize(t) for t in texts)))