From 8149be551e238442e9378f8ef4e5eaa2554bf9bf Mon Sep 17 00:00:00 2001
From: Mihai Bazon <mihai@bazon.net>
Date: Fri, 12 Oct 2012 14:55:54 +0300
Subject: [PATCH] minor

---
 lib/transform.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/transform.js b/lib/transform.js
index 2ba004ee..976dd058 100644
--- a/lib/transform.js
+++ b/lib/transform.js
@@ -59,7 +59,7 @@ TreeTransformer.prototype = new TreeWalker;
         node.DEFMETHOD("transform", function(tw, in_list){
             var x, y;
             tw.push(this);
-            x = tw.before(this, descend, in_list);
+            if (tw.before) x = tw.before(this, descend, in_list);
             if (x === undefined) {
                 if (!tw.after) {
                     x = this;
-- 
2.34.1