def __init__(self, maxchars = 200, sentencechars = ".!?"):
        
        self.maxchars = maxchars
        self.sentencechars = frozenset(sentencechars)
:maxchars: The maximum number of characters allowed in a fragment.
dataset/ETHPy150Open tallstreet/Whoosh-AppEngine/src/whoosh/highlight.py/SentenceFragmenter.__init__