group fixes suggested on the forum

df_dependencies/init.lua

@@ -6,8 +6,8 @@ df_dependencies.mods_required = {}
 df_dependencies.select_required = function(def)
 	local ret
 	for _, dependency in ipairs(def) do
-		mod = dependency[1]
+		local mod = dependency[1]
-		item = dependency[2]
+		local item = dependency[2]
 		df_dependencies.mods_required[mod] = true
 		if minetest.get_modpath(mod) then
 			ret = item
@@ -20,8 +20,8 @@ end
 df_dependencies.select_optional = function(def)
 	local ret
 	for _, dependency in ipairs(def) do
-		mod = dependency[1]
+		local mod = dependency[1]
-		item = dependency[2]
+		local item = dependency[2]
 		df_dependencies.mods_required[mod] = true
 		if minetest.get_modpath(mod) then
 			ret = item

df_farming/sweet_pod.lua

@@ -111,7 +111,7 @@ minetest.register_craftitem("df_farming:sugar", {
 	_doc_items_longdesc = df_farming.doc.sweet_pod_sugar_desc,
 	_doc_items_usagehelp = df_farming.doc.sweet_pod_sugar_usage,
 	inventory_image = "dfcaverns_sugar.png",
-	groups = {dfcaverns_cookable = 1, sugar = 1},
+	groups = {dfcaverns_cookable = 1, sugar = 1, food_sugar = 1},
 })
 
 local recipe_registered = false

df_underworld_items/slade_drill.lua

@@ -40,7 +40,7 @@ local slade_drill_def = {
 	light_source = minetest.LIGHT_MAX,
 	description = S("Slade Drill"),
 	inventory_image = "dfcaverns_slade_drill.png",
-	groups = {cracky=3, stone=1, slade=1, pit_plasma_resistant=1, mese_radiation_shield=1,creative_breakable=1, material_stone=1},
+	groups = {cracky=3, slade=1, pit_plasma_resistant=1, mese_radiation_shield=1,creative_breakable=1, material_stone=1},
 	sounds = df_dependencies.sound_stone({ footstep = { name = "bedrock2_step", gain = 1 } }),
 	_mcl_blast_resistance = 8,
 	_mcl_hardness = 5,