X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/2c5fbe844b3137b2e3f84d5f1d1ea9ef37564852..a43b5ecf0ae0e270d7e86b4f118ca790e97c58ab:/IkiWiki/Plugin/editdiff.pm

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) {
 			$ret.=$_;