From 3cfc4ac3ee6d653d86bed83b6538e2d67d59c2a1 Mon Sep 17 00:00:00 2001
From: Andre D <andre@andred.ca>
Date: Wed, 10 Aug 2011 15:25:38 -0700
Subject: [PATCH] Improve opacity value parser.

---
 r2/r2/lib/cssfilter.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/r2/r2/lib/cssfilter.py b/r2/r2/lib/cssfilter.py
index 9598c98e0..b7a238b56 100644
--- a/r2/r2/lib/cssfilter.py
+++ b/r2/r2/lib/cssfilter.py
@@ -75,7 +75,7 @@ custom_values = {
     'background-color': r'{color}',
     'border-color': r'{color}',
     'background-position': r'(({percentage}|{length}){0,3})?\s*(top|center|left)?\s*(left|center|right)?',
-    'opacity': r'{num}',
+    'opacity': r'^0?\.?[0-9]*|1\.0*|1|0',
     'filter': r'alpha\(opacity={num}\)',
 }