$response->header( "Content-Type: text/html; charset=utf-8" );
if ( $config->get( 'DebugRedirects' ) ) {
$url = htmlspecialchars( $redirect );
- print "<html>\n<head>\n<title>Redirect</title>\n</head>\n<body>\n";
+ print "<!DOCTYPE html>\n<html>\n<head>\n<title>Redirect</title>\n</head>\n<body>\n";
print "<p>Location: <a href=\"$url\">$url</a></p>\n";
print "</body>\n</html>\n";
} else {