def _maxlengths(self):
        # The first line's length.
        yield self._maxlen - len(self._current_line)
        while True:
            yield self._maxlen - self._continuation_ws_len
dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/future/backports/email/header.py/_ValueFormatter._maxlengths/original