Validate that the given name match a notation declaration.
           - [ VC: Notation Declared ]

def validateNotationUse(self, ctxt, notationName):
        """Validate that the given name match a notation declaration.
           - [ VC: Notation Declared ] """
        if ctxt is None: ctxt__o = None
        else: ctxt__o = ctxt._o
        ret = libxml2mod.xmlValidateNotationUse(ctxt__o, self._o, notationName)
        return ret