From b4bc1faba6489d2863b6c105eb1f394124ea3963 Mon Sep 17 00:00:00 2001
From: William Xu <william.xwl@gmail.com>
Date: Sat, 17 Mar 2007 09:23:00 +0000
Subject: emms-playlist-sort.el: Make `emms-string<' silent when some argument
 is

nil.

darcs-hash:20070317092305-cfa61-5939905142385889ddfd77f12fc23ac3c6b49d07.gz
---
 emms-playlist-sort.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/emms-playlist-sort.el b/emms-playlist-sort.el
index 0a702b6..f41452c 100644
--- a/emms-playlist-sort.el
+++ b/emms-playlist-sort.el
@@ -180,7 +180,8 @@ ie. by album name and then by track number."
 
 (defun emms-string< (s1 s2)
   "Same as `string<' except this is case insensitive."
-  (string< (downcase s1) (downcase s2)))
+  (string< (and s1 (downcase s1)) (and s2 (downcase s2))))
+
 
 (provide 'emms-playlist-sort)
 
-- 
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