From f708ea270f1587c8df8f51a21df70f9c665bc55e Mon Sep 17 00:00:00 2001
From: Jakub Pawlowicz <jakub@goalsmashers.com>
Date: Fri, 16 Dec 2011 21:51:23 +0100
Subject: [PATCH] Fixed cleaning up '0 0 0 0.5em'.

---
 lib/clean.js      |  2 +-
 test/unit-test.js | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/clean.js b/lib/clean.js
index 95cc758a..ce7f6373 100644
--- a/lib/clean.js
+++ b/lib/clean.js
@@ -105,7 +105,7 @@ var CleanCSS = {
     replace(/(\s|:)0(px|em|ex|cm|mm|in|pt|pc|%)/g, '$1' + '0') // zero + unit to zero
     replace(/(border|border-top|border-right|border-bottom|border-left|outline):none/g, '$1:0') // none to 0
     replace(/(background):none([;}])/g, '$1:0$2') // background:none to 0
-    replace(/0 0 0 0/g, '0') // multiple zeros into one
+    replace(/0 0 0 0([^\.])/g, '0$1') // multiple zeros into one
     replace(/([: ,=\-])0\.(\d)/g, '$1.$2')
     replace(/[^\}]+{(;)*}/g, '') // empty elements
     if (data.indexOf('charset') > 0) replace(/(.+)(@charset [^;]+;)/, '$2$1') // move first charset to the beginning
diff --git a/test/unit-test.js b/test/unit-test.js
index 59b2fa90..04b921db 100644
--- a/test/unit-test.js
+++ b/test/unit-test.js
@@ -198,7 +198,16 @@ vows.describe('clean-units').addBatch({
     'display:none not changed': 'a{display:none}',
     'longer background declaration not changed': 'html{background:none repeat scroll 0 0 white}',
     'mixed zeros not changed': 'div{margin:0 0 1px 0}',
-    'mixed zeros not changed #2': 'div{padding:0 1px 0 0}'
+    'mixed zeros not changed #2': 'div{padding:0 1px 0 0}',
+    'mixed zeros not changed #3': 'div{padding:10px 0 0 0}',
+    'multiple zeros with fractions #1': [
+      'div{padding:0 0 0 0.5em}',
+      'div{padding:0 0 0 .5em}'
+    ],
+    'multiple zeros with fractions #2': [
+      'div{padding:0 0 0 .5em}',
+      'div{padding:0 0 0 .5em}'
+    ]
   }),
   'floats': cssContext({
     'strips zero in fractions': [
-- 
2.34.1