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