From 4cbc0e149eebe49acf9ad12dfbd2df3f7fb5c4b4 Mon Sep 17 00:00:00 2001
From: Michael Wiencek <mwtuea@gmail.com>
Date: Thu, 7 Jun 2012 19:37:42 -0500
Subject: [PATCH] Revert 81a3d93

Tags are case-sensitive
---
 picard/file.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/picard/file.py b/picard/file.py
index 1e5274a4a..bf1aecb6f 100644
--- a/picard/file.py
+++ b/picard/file.py
@@ -138,7 +138,7 @@ class File(LockableObject, Item):
     def copy_metadata(self, metadata):
         exceptions = ['musicip_puid', 'acoustid_id']
         if self.config.setting['preserved_tags']:
-            exceptions.extend(re.split(r'\s+', self.config.setting['preserved_tags'].lower().strip()))
+            exceptions.extend(re.split(r'\s+', self.config.setting['preserved_tags'].strip()))
         for tag in exceptions:
             self.saved_metadata[tag] = self.metadata[tag]
         self.metadata.copy(metadata)