Return the line spacing rule value calculated from the combination of
        *line* and *lineRule*. Returns special members of the
        :ref:`WdLineSpacing` enumeration when line spacing is single, double,
        or 1.5 lines.

def _line_spacing_rule(line, lineRule):
        """
        Return the line spacing rule value calculated from the combination of
        *line* and *lineRule*. Returns special members of the
        :ref:`WdLineSpacing` enumeration when line spacing is single, double,
        or 1.5 lines.
        """
        if lineRule == WD_LINE_SPACING.MULTIPLE:
            if line == Twips(240):
                return WD_LINE_SPACING.SINGLE
            if line == Twips(360):
                return WD_LINE_SPACING.ONE_POINT_FIVE
            if line == Twips(480):
                return WD_LINE_SPACING.DOUBLE
        return lineRule