From 197cb052be40cff6cf1b626da52abe02afcb1261 Mon Sep 17 00:00:00 2001
From: Yorick Peterse <yorickpeterse@gmail.com>
Date: Sun, 5 Oct 2014 23:20:10 +0200
Subject: [PATCH] Tighten up CSS predicate member rules.

CSS predicates can't contain full blown expressions, only attribute node tests
and operators.
---
 lib/oga/css/parser.y | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/oga/css/parser.y b/lib/oga/css/parser.y
index f724dfc..2bd6bea 100644
--- a/lib/oga/css/parser.y
+++ b/lib/oga/css/parser.y
@@ -51,8 +51,8 @@ rule
     ;
 
   predicate_members
-    : expression { val[0] }
-    | operator   { val[0] }
+    : node_test { val[0] }
+    | operator  { val[0] }
     ;
 
   operator