another patch from Brent Hendricks to add new handlers with the various

* python/generator.py python/libxml.py: another patch from Brent
  Hendricks to add new handlers with the various validity contexts
* python/tests/Makefile.am python/tests/validDTD.py
  python/tests/validRNG.py python/tests/validSchemas.py: also
  added the regression tests he provided
Daniel
diff --git a/pattern.c b/pattern.c
index 041039e..ee3bcbd 100644
--- a/pattern.c
+++ b/pattern.c
@@ -1082,7 +1082,7 @@
 		ctxt->error = 1;
 		goto error;
 	    }
-	    xmlFree(name);
+	    /* NOT REACHED xmlFree(name); */
 	}
     } else if (CUR == '*') {
         if (name != NULL) {