From a8802fc8ac2a8cc4aa98ffebdfd843e9c094ba6c Mon Sep 17 00:00:00 2001
From: Adrian Lang <mail@adrianlang.de>
Date: Sun, 29 Jan 2012 13:04:43 +0100
Subject: [PATCH] Make parse error handler more robust

This is necessary to get useful error messages in cases where root has not been constructed successfully.
---
 lib/less/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/less/index.js b/lib/less/index.js
index 657d9bd0..f0d4e9bf 100644
--- a/lib/less/index.js
+++ b/lib/less/index.js
@@ -19,7 +19,7 @@ var less = {
 
         if (callback) {
             parser.parse(input, function (e, root) {
-                callback(e, root.toCSS(options));
+                callback(e, root && root.toCSS && root.toCSS(options));
             });
         } else {
             ee = new(require('events').EventEmitter);