Some more changes related to the new except syntax and semantics,
by Collin Winter.
diff --git a/Grammar/Grammar b/Grammar/Grammar
index 701a1ff..2f07b5e 100644
--- a/Grammar/Grammar
+++ b/Grammar/Grammar
@@ -79,7 +79,7 @@
with_stmt: 'with' test [ with_var ] ':' suite
with_var: 'as' expr
# NB compile.c makes sure that the default except clause is last
-except_clause: 'except' [test ['as' test]]
+except_clause: 'except' [test ['as' NAME]]
suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT
# Backward compatibility cruft to support: