Get or set the language id of this |Font| instance. The language id
        is a member of the :ref:`MsoLanguageId` enumeration. Assigning |None|
        removes any language setting, the same behavior as assigning
        `MSO_LANGUAGE_ID.NONE`.

def language_id(self):
        """
        Get or set the language id of this |Font| instance. The language id
        is a member of the :ref:`MsoLanguageId` enumeration. Assigning |None|
        removes any language setting, the same behavior as assigning
        `MSO_LANGUAGE_ID.NONE`.
        """
        lang = self._rPr.lang
        if lang is None:
            return MSO_LANGUAGE_ID.NONE
        return self._rPr.lang