def meta_set(self, key, metafield, value):
        self._meta.setdefault(key, {})[metafield] = value
        if key in self:
            self[key] = self[key]
The Treebank tokenizer uses regular expressions to tokenize text as
dataset/ETHPy150Open Arelle/Arelle/arelle/webserver/bottle.py/ConfigDict.meta_set--crossover with--dataset/ETHPy150Open markuskiller/textblob-de/textblob_de/tokenizers.py/NLTKPunktTokenizer.word_tokenize