From 22c5c9444e75144437bd8a09eec652f1008d03ed Mon Sep 17 00:00:00 2001
From: Beha <shacknetisp@mail.com>
Date: Sun, 4 Aug 2019 13:09:47 -0400
Subject: [PATCH] Interpret group value 0 as "not in group".

This fixes instances where items are counted as part of a group by
craftguide but not by the engine.
---
 init.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init.lua b/init.lua
index 80b129f..bb75208 100644
--- a/init.lua
+++ b/init.lua
@@ -237,7 +237,7 @@ end
 local function item_has_groups(item_groups, groups)
 	for i = 1, #groups do
 		local group = groups[i]
-		if not item_groups[group] then
+		if (item_groups[group] or 0) == 0 then
 			return
 		end
 	end