'Returns text as a list of sentences.'

def read_block(self, stream, tagspec=None, elt_handler=None):

    txt = []
    while True:
        segm = XMLCorpusView.read_block(self, stream)
        if (len(segm) == 0):
            break
        for part in segm:
            txt.append(part)
    return ['    '.join([segm for segm in txt])]
