@property
    def is_initial(self):
        return self._RE_INITIAL.match(self.tok)
A helper function for ``trees``.
dataset/ETHPy150Open nltk/nltk/nltk/tokenize/punkt.py/PunktToken.is_initial--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/parse/chart.py/Chart._trees