code: def stringDecodeEntities(self, str, what, end, end2, end3):
          
          ret = libxml2mod.xmlStringDecodeEntities(self._o, str, what, end, end2, end3)
          return ret
docs: Takes a entity string content and process to do the
            adequate substitutions.  [67] Reference ::= EntityRef |
             CharRef  [69] PEReference ::= '%' Name ';'