def list_overview_fmt_gen(self):
        """Generator for the LIST OVERVIEW.FMT

        See list_overview_fmt() for more information.

        Yields:
            An element in the list returned by list_overview_fmt().
        """
        code, message = self.command("LIST OVERVIEW.FMT")
        if code != 215:
            raise NNTPReplyError(code, message)

        for line in self.info_gen(code, message):
            try:
                name, suffix = line.rstrip().split(":")
            except ValueError:
                raise NNTPDataError("Invalid LIST OVERVIEW.FMT")
            if suffix and not name:
                name, suffix = suffix, name
            if suffix and suffix != "full":
                raise NNTPDataError("Invalid LIST OVERVIEW.FMT")
            yield (name, suffix == "full")
Generator for the LIST OVERVIEW.FMT

        See list_overview_fmt() for more information.

        Yields:
            An element in the list returned by list_overview_fmt().