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