From 53b13ce93384ab4e172e38bcc49414b905b23dfa Mon Sep 17 00:00:00 2001
From: Ben Ransford <ben@ransford.org>
Date: Mon, 2 Feb 2015 10:35:57 -0800
Subject: [PATCH] lowercase field names before checking for '_url' suffix

extra_urls() filter will now match Foo_Url as well as foo_url
---
 bibble.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bibble.py b/bibble.py
index dfd42dd..1bbd0d6 100644
--- a/bibble.py
+++ b/bibble.py
@@ -87,6 +87,7 @@ def _extra_urls(entry):
     """
     urls = {}
     for k, v in entry.fields.iteritems():
+        k = k.lower()
         if not k.endswith('_url'):
             continue
         k = k[:-4]