From 0daa4eb521a32b9ed00e99a2155416a312d478de Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@gnu.kitenet.net>
Date: Wed, 31 Dec 2008 00:08:46 -0500
Subject: [PATCH] make sure value is defined before using it as an array

---
 IkiWiki/Plugin/websetup.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/IkiWiki/Plugin/websetup.pm b/IkiWiki/Plugin/websetup.pm
index a47c29976..2d978c5b4 100644
--- a/IkiWiki/Plugin/websetup.pm
+++ b/IkiWiki/Plugin/websetup.pm
@@ -138,7 +138,8 @@ sub showfields ($$$@) {
 
 		my $value=$config{$key};
 
-		if ($info{safe} && (ref $value eq 'ARRAY' || ref $info{example} eq 'ARRAY')) {
+		if ($info{safe} && defined $value &&
+		    (ref $value eq 'ARRAY' || ref $info{example} eq 'ARRAY')) {
 			$value=[@{$value}, "", ""]; # blank items for expansion
 		}
 
-- 
2.39.5