From c9bdb45ba6fc5768a0625f7e065220a6fb28a806 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Tue, 23 Mar 2021 17:52:15 +0100
Subject: sync with ikiwiki 3.20160509

---
 IkiWiki/Plugin/img.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index 494fe23..740c44f 100644
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -39,7 +39,7 @@ sub allowed {
 	$allowed = ['jpeg', 'png', 'gif', 'svg'] unless defined $allowed && @$allowed;
 
 	foreach my $a (@$allowed) {
-		return 1 if $a eq $format || $a eq 'everything';
+		return 1 if lc($a) eq $format || lc($a) eq 'everything';
 	}
 
 	return 0;
@@ -89,7 +89,7 @@ sub preprocess (@) {
 	my $extension;
 	my $format;
 
-	if ($base =~ m/\.([a-z0-9]+)$/) {
+	if ($base =~ m/\.([a-z0-9]+)$/is) {
 		$extension = $1;
 	}
 	else {
-- 
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