From acfd2463bc5010d50e3330302841f6bd0f79a264 Mon Sep 17 00:00:00 2001
From: cloudhead <self@cloudhead.net>
Date: Wed, 30 Jun 2010 19:59:46 +0200
Subject: [PATCH] don't use __filename if no filename

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

diff --git a/lib/less/parser.js b/lib/less/parser.js
index 1fcd4f7b..3210848a 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -178,7 +178,7 @@ less.Parser = function Parser(env) {
     // the individual nodes in the tree.
     this.optimization = ('optimization' in this.env) ? this.env.optimization : 1;
 
-    this.env.filename = this.env.filename || __filename;
+    this.env.filename = this.env.filename || null;
 
     //
     // The Parser