Does the final step for the dtds validation once all the
          subsets have been parsed  basically it does the following
          checks described by the XML Rec - check that ENTITY and
          ENTITIES type attributes default or possible values matches
          one of the defined entities. - check that NOTATION type
          attributes default or possible values matches one of the
           defined notations.

def validateDtdFinal(self, ctxt):
        """Does the final step for the dtds validation once all the
          subsets have been parsed  basically it does the following
          checks described by the XML Rec - check that ENTITY and
          ENTITIES type attributes default or possible values matches
          one of the defined entities. - check that NOTATION type
          attributes default or possible values matches one of the
           defined notations. """
        if ctxt is None: ctxt__o = None
        else: ctxt__o = ctxt._o
        ret = libxml2mod.xmlValidateDtdFinal(ctxt__o, self._o)
        return ret