From 511adfacf7780054c9c31639c527f0c33bf32136 Mon Sep 17 00:00:00 2001
From: David Schmidt <david.schmiddi.86@gmail.com>
Date: Thu, 21 Mar 2013 21:00:25 +0100
Subject: [PATCH] fix png decode tRNS pattern

---
 PIL/PngImagePlugin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PIL/PngImagePlugin.py b/PIL/PngImagePlugin.py
index 65c0759e5..7ed018878 100644
--- a/PIL/PngImagePlugin.py
+++ b/PIL/PngImagePlugin.py
@@ -70,7 +70,7 @@ _MODES = {
 }
 
 
-_simple_palette = re.compile(b'^\xff+\x00+$')
+_simple_palette = re.compile(b'^\xff+\x00\xff*$')
 
 # --------------------------------------------------------------------
 # Support classes.  Suitable for PNG and related formats like MNG etc.