From 6781f8964b2065b4feef0663ef4ac974a3819479 Mon Sep 17 00:00:00 2001
From: vvo <v@fasterize.com>
Date: Wed, 23 May 2012 15:06:13 +0200
Subject: [PATCH] Better empty elements regex

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

diff --git a/lib/clean.js b/lib/clean.js
index ca540d55..b2cc4c9c 100644
--- a/lib/clean.js
+++ b/lib/clean.js
@@ -107,7 +107,7 @@ var CleanCSS = {
     replace(/(background):none([;}])/g, '$1:0$2') // background:none to 0
     replace(/0 0 0 0([^\.])/g, '0$1') // multiple zeros into one
     replace(/([: ,=\-])0\.(\d)/g, '$1.$2')
-    replace(/[^\}]+{(;)*}/g, '') // empty elements
+    replace(/[^}]+?{\s*?}/g, '') // empty elements
     if (data.indexOf('charset') > 0) replace(/(.+)(@charset [^;]+;)/, '$2$1') // move first charset to the beginning
     replace(/(.)(@charset [^;]+;)/g, '$1') // remove all extra charsets that are not at the beginning
     replace(/\*([\.#:\[])/g, '$1') // remove universal selector when not needed (*#id, *.class etc)
-- 
2.34.1