gitweb: Replace form-feed character by ^L

From 2be5cab10486cba804ccae063e93b146288054fe Mon Sep 17 00:00:00 2001
From: Jakub Narebski <jnareb@gmail.com>
Date: Sun, 30 Jul 2006 13:11:56 +0200
Subject: [PATCH]

Replace FORM FEED (FF) character (014, 12, 0xc) by it's textual
representation '^L'.  This character is used for example in GNU GPL
'COPYING' file.  With this patch "blob" output for COPYING passes
XHTML validation.
Signed-off-by: NJakub Narebski <jnareb@gmail.com>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

gitweb/gitweb.cgi

@@ -250,6 +250,7 @@ sub esc_html {
 	my $str = shift;
 	$str = decode("utf8", $str, Encode::FB_DEFAULT);
 	$str = escapeHTML($str);
+	$str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 	return $str;
 }