From 1e16ab178d3cfa60818b5a64c35357735e985504 Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <tschwinge@gnu.org>
Date: Wed, 21 May 2008 22:54:34 +0200
Subject: Avoid ``uninitialized value'' warning when there actually is no
 difference between the two versions.

---
 IkiWiki/Plugin/editdiff.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'IkiWiki')

diff --git a/IkiWiki/Plugin/editdiff.pm b/IkiWiki/Plugin/editdiff.pm
index 46eb1168e..2a70ca0b8 100644
--- a/IkiWiki/Plugin/editdiff.pm
+++ b/IkiWiki/Plugin/editdiff.pm
@@ -25,7 +25,7 @@ sub diff ($$) { #{{{
 
 	print DIFFIN $content;
 	close DIFFIN;
-	my $ret;
+	my $ret='';
 	while (<DIFFOUT>) {
 		if (defined $ret) {
 			$ret.=$_;
-- 
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