From 04ed8b2cb7c3a18307bae9cfb816412cae09511d Mon Sep 17 00:00:00 2001
From: Louis Royer <55180044+louisroyer@users.noreply.github.com>
Date: Sun, 12 Jul 2020 17:05:56 +0200
Subject: [PATCH] Fix tooltip display

Tooltip was displaying "Unknown item" on empty slots when using a
replacement in craft.
---
 init.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/init.lua b/init.lua
index 6e6bc3e..7bcba54 100644
--- a/init.lua
+++ b/init.lua
@@ -790,6 +790,9 @@ local function str_newline(str)
 end
 
 local function get_desc(item, lang_code)
+	if item == "" then
+		return ""
+	end
 	if sub(item, 1, 1) == "_" then
 		item = sub(item, 2)
 	end