From 598b24910189c1ce3184cb80ecc64c843df453b8 Mon Sep 17 00:00:00 2001
From: Alexis Sellier <alexis@cloudhead.io>
Date: Tue, 28 Feb 2012 17:06:45 +0100
Subject: [PATCH] Fix '@arguments' behaviour, Closes #632

`.mixin` & `.mixin()` had differing behaviours.
---
 lib/less/parser.js         | 2 +-
 test/css/mixins-args.css   | 3 +++
 test/less/mixins-args.less | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/less/parser.js b/lib/less/parser.js
index 35d7f382..37376c37 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -763,7 +763,7 @@ less.Parser = function Parser(env) {
                     }
 
                     if (elements.length > 0 && ($(';') || peek('}'))) {
-                        return new(tree.mixin.Call)(elements, args, index, env.filename, important);
+                        return new(tree.mixin.Call)(elements, args || [], index, env.filename, important);
                     }
                 },
 
diff --git a/test/css/mixins-args.css b/test/css/mixins-args.css
index 0544b828..e878ef6e 100644
--- a/test/css/mixins-args.css
+++ b/test/css/mixins-args.css
@@ -59,6 +59,9 @@ body {
 .arguments2 {
   border: 0px;
 }
+.arguments3 {
+  border: 0px;
+}
 .edge-case {
   border: "{";
 }
diff --git a/test/less/mixins-args.less b/test/less/mixins-args.less
index 468d69ad..26e1d7a8 100644
--- a/test/less/mixins-args.less
+++ b/test/less/mixins-args.less
@@ -116,6 +116,9 @@ body {
 .arguments2 {
     .mixin-arguments();
 }
+.arguments3 {
+    .mixin-arguments;
+}
 
 // Edge cases