def validatePushElement(self, ctxt, elem, qname):
        """Push a new element start on the validation stack. """
        if ctxt is None: ctxt__o = None
        else: ctxt__o = ctxt._o
        if elem is None: elem__o = None
        else: elem__o = elem._o
        ret = libxml2mod.xmlValidatePushElement(ctxt__o, self._o, elem__o, qname)
        return ret