From f8e529bc27a162993038161c54df26c3f91895ad Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Sat, 2 Sep 2017 21:51:54 +0200
Subject: [PATCH] Fix 2 vars leaking into _G

---
 init.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/init.lua b/init.lua
index b2e3c3b..c702e47 100644
--- a/init.lua
+++ b/init.lua
@@ -1,6 +1,6 @@
 -- advschem/init.lua
 
-advschem = {}
+local advschem = {}
 
 -- Directory delimeter fallback (normally comes from builtin)
 if not DIR_DELIM then
@@ -792,7 +792,7 @@ minetest.register_tool("advschem:probtool", {
 		-- This sets the node probability of pointed node to the
 		-- currently used probability stored in the tool.
 
-		pos = pointed_thing.under
+		local pos = pointed_thing.under
 		local node = minetest.get_node(pos)
 		-- Schematic void are ignored, they always have probability 0
 		if node.name == "advschem:void" then