Ench. table : get rid of global matching

cooking.lua

@@ -106,7 +106,7 @@ minetest.register_abm({
 			if obj and obj:get_luaentity() then
 				local itemstring = obj:get_luaentity().itemstring:match("([%w_:]+)%s")
 				for _, ing in pairs(ingredients_list) do
-					if itemstring and ing == itemstring:match(ing) 
+					if itemstring and itemstring:match(ing)
 							and not minetest.serialize(ingredients):find(itemstring) then
 						ingredients[#ingredients+1] = itemstring
 					end

enchanting.lua

@@ -80,10 +80,11 @@ end
 
 local function allowed(tool)
 	for item, _ in pairs(minetest.registered_tools) do
-	for t in item:gmatch("enchanted_"..tool) do
-		if t then return true end
-	end
+		if item:match("enchanted_"..tool) then
+			return true
+		end
 	end
+
 	return false
 end