From 7754e7e3613ac8d6ca3b42edc2df0b791e11d294 Mon Sep 17 00:00:00 2001
From: Athozus <athozus@gmail.com>
Date: Mon, 16 Oct 2023 20:36:05 +0200
Subject: [PATCH] Add check for mailing list nil description (fix #112)

---
 ui/maillists.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/maillists.lua b/ui/maillists.lua
index 578f97a..77035f1 100644
--- a/ui/maillists.lua
+++ b/ui/maillists.lua
@@ -22,7 +22,7 @@ function mail.show_maillists(name)
 			formspec[#formspec + 1] = "@" .. minetest.formspec_escape(maillist.name)
 			formspec[#formspec + 1] = ","
 			if maillist.desc ~= "" then
-				if string.len(maillist.desc) > 30 then
+				if string.len(maillist.desc or "") > 30 then
 					formspec[#formspec + 1] = minetest.formspec_escape(string.sub(maillist.desc, 1, 27))
 					formspec[#formspec + 1] = "..."
 				else