From 042c9e3ab6a35b83a50d02181e459b1f889dfd39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20S=C3=BC=C3=9Fenguth?=
 <christian.suessenguth@ecogood.org>
Date: Fri, 23 Jul 2021 15:31:35 +0200
Subject: [PATCH] Accept also mailing lists with a '-' in their name

---
 edit_list.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/edit_list.php b/edit_list.php
index 00d179f..2310ccb 100644
--- a/edit_list.php
+++ b/edit_list.php
@@ -12,7 +12,7 @@ if (!isset($_SESSION["auth"]) || $_SESSION["auth"] != 1)
 
 // We do not print any error in the next three cases, because a legitimate
 // user will never produce such results, even with disabled javascript
-if ( preg_match("/[^a-z0-9_]/", $list_name) )
+if ( preg_match("/[^a-z0-9_-]/", $list_name) )
 {
     header("Location: error.php");
     exit();