From 982b1d45f6eec8ec7a04f9db6f8ac1f567672112 Mon Sep 17 00:00:00 2001
From: Oliver Schmidt <ol.sc@web.de>
Date: Tue, 16 May 2017 22:56:38 +0200
Subject: [PATCH] Allow lower case input too.

The ][ doesn't have lower case but the //e defaults to lower case so we need to allow both upper case and lower case (and convert to lower case before DNS lookup).
---
 drivers/a2filteredinput.s | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/a2filteredinput.s b/drivers/a2filteredinput.s
index 22feee8..b8b4ab6 100644
--- a/drivers/a2filteredinput.s
+++ b/drivers/a2filteredinput.s
@@ -133,7 +133,7 @@ filter_text:
 filter_url:
   .byte ":/%&?+$"
 filter_dns:
-  .byte "-ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+  .byte "-AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"
 filter_ip:
   .byte "."
 filter_number: