fix many codestyle issues

mods/ENVIRONMENT/mcl_weather/nether_dust.lua

@@ -2,7 +2,7 @@ mcl_weather.nether_dust = {}
 mcl_weather.nether_dust.particles_count = 99
 
 -- calculates coordinates and draw particles for Nether dust
-mcl_weather.nether_dust.add_dust_particles = function(player)
+function mcl_weather.nether_dust.add_dust_particles(player)
 	for i=mcl_weather.nether_dust.particles_count, 1,-1 do
 		local rpx, rpy, rpz = mcl_weather.get_random_pos_by_player_look_dir(player)
 		minetest.add_particle({

mods/ENVIRONMENT/mcl_weather/skycolor.lua

@@ -235,7 +235,7 @@ minetest.register_globalstep(function(dtime)
 
 end)
 
-local initsky = function(player)
+local function initsky(player)
 	if (mcl_weather.skycolor.active) then
 		mcl_weather.skycolor.force_update = true
 	end

mods/ENVIRONMENT/mcl_weather/snow.lua

@@ -6,7 +6,7 @@ mcl_weather.snow.particles_count = 15
 mcl_weather.snow.init_done = false
 
 -- calculates coordinates and draw particles for snow weather
-mcl_weather.snow.add_snow_particles = function(player)
+function mcl_weather.snow.add_snow_particles(player)
 	mcl_weather.rain.last_rp_count = 0
 	for i=mcl_weather.snow.particles_count, 1,-1 do
 		local random_pos_x, _, random_pos_z = mcl_weather.get_random_pos_by_player_look_dir(player)
@@ -30,7 +30,7 @@ mcl_weather.snow.add_snow_particles = function(player)
 	end
 end
 
-mcl_weather.snow.set_sky_box = function()
+function mcl_weather.snow.set_sky_box()
 	mcl_weather.skycolor.add_layer(
 		"weather-pack-snow-sky",
 		{{r=0, g=0, b=0},

mods/ENVIRONMENT/mcl_weather/weather_core.lua

@@ -39,7 +39,7 @@ mcl_weather.reg_weathers["none"] = {
 
 local storage = minetest.get_mod_storage()
 -- Save weather into mod storage, so it can be loaded after restarting the server
-local save_weather = function()
+local function save_weather()
 	if not mcl_weather.end_time then return end
 	storage:set_string("mcl_weather_state", mcl_weather.state)
 	storage:set_int("mcl_weather_end_time", mcl_weather.end_time)
@@ -47,7 +47,7 @@ local save_weather = function()
 end
 minetest.register_on_shutdown(save_weather)
 
-mcl_weather.get_rand_end_time = function(min_duration, max_duration)
+function mcl_weather.get_rand_end_time(min_duration, max_duration)
 	local r
 	if min_duration ~= nil and max_duration ~= nil then
 		r = math.random(min_duration, max_duration)
@@ -57,7 +57,7 @@ mcl_weather.get_rand_end_time = function(min_duration, max_duration)
 	return minetest.get_gametime() + r
 end
 
-mcl_weather.get_current_light_factor = function()
+function mcl_weather.get_current_light_factor()
 	if mcl_weather.state == "none" then
 		return nil
 	else
@@ -68,7 +68,7 @@ end
 -- Returns true if pos is outdoor.
 -- Outdoor is defined as any node in the Overworld under open sky.
 -- FIXME: Nodes below glass also count as “outdoor”, this should not be the case.
-mcl_weather.is_outdoor = function(pos)
+function mcl_weather.is_outdoor(pos)
 	local cpos = {x=pos.x, y=pos.y+1, z=pos.z}
 	local dim = mcl_worlds.pos_to_dimension(cpos)
 	if minetest.get_node_light(cpos, 0.5) == 15 and dim == "overworld" then
@@ -79,7 +79,7 @@ end
 
 -- checks if player is undewater. This is needed in order to
 -- turn off weather particles generation.
-mcl_weather.is_underwater = function(player)
+function mcl_weather.is_underwater(player)
 	local ppos = player:get_pos()
 	local offset = player:get_eye_offset()
 	local player_eye_pos = {x = ppos.x + offset.x,
@@ -94,7 +94,7 @@ end
 
 -- trying to locate position for particles by player look direction for performance reason.
 -- it is costly to generate many particles around player so goal is focus mainly on front view.
-mcl_weather.get_random_pos_by_player_look_dir = function(player)
+function mcl_weather.get_random_pos_by_player_look_dir(player)
 	local look_dir = player:get_look_dir()
 	local player_pos = player:get_pos()
 
@@ -123,6 +123,7 @@ mcl_weather.get_random_pos_by_player_look_dir = function(player)
 end
 
 local t, wci = 0, mcl_weather.check_interval
+
 minetest.register_globalstep(function(dtime)
 	t = t + dtime
 	if t < wci then return end
@@ -146,7 +147,7 @@ minetest.register_globalstep(function(dtime)
 end)
 
 -- Sets random weather (which could be 'none' (no weather)).
-mcl_weather.set_random_weather = function(weather_name, weather_meta)
+function mcl_weather.set_random_weather(weather_name, weather_meta)
 	if weather_meta == nil then return end
 	local transitions = weather_meta.transitions
 	local random_roll = math.random(0,100)
@@ -166,7 +167,7 @@ end
 -- * explicit_end_time is OPTIONAL. If specified, explicitly set the
 --   gametime (minetest.get_gametime) in which the weather ends.
 -- * changer is OPTIONAL, for logging purposes.
-mcl_weather.change_weather = function(new_weather, explicit_end_time, changer_name)
+function mcl_weather.change_weather(new_weather, explicit_end_time, changer_name)
 	local changer_name = changer_name or debug.getinfo(2).name.."()"
 
 	if (mcl_weather.reg_weathers ~= nil and mcl_weather.reg_weathers[new_weather] ~= nil) then
@@ -199,7 +200,7 @@ mcl_weather.change_weather = function(new_weather, explicit_end_time, changer_na
 	return false
 end
 
-mcl_weather.get_weather = function()
+function mcl_weather.get_weather()
 	return mcl_weather.state
 end
 
@@ -273,7 +274,7 @@ if weather_allow_abm ~= nil and weather_allow_abm == false then
 end
 
 
-local load_weather = function()
+local function load_weather()
 	local weather = storage:get_string("mcl_weather_state")
 	if weather and weather ~= "" then
 		mcl_weather.state = weather

mods/HELP/doc/doc/init.lua

@@ -448,13 +448,13 @@ end
 doc.entry_builders = {}
 
 -- Scrollable freeform text
-doc.entry_builders.text = function(data)
+function doc.entry_builders.text(data)
 	local formstring = doc.widgets.text(data, doc.FORMSPEC.ENTRY_START_X, doc.FORMSPEC.ENTRY_START_Y, doc.FORMSPEC.ENTRY_WIDTH - 0.4, doc.FORMSPEC.ENTRY_HEIGHT)
 	return formstring
 end
 
 -- Scrollable freeform text with an optional standard gallery (3 rows, 3:2 aspect ratio)
-doc.entry_builders.text_and_gallery = function(data, playername)
+function doc.entry_builders.text_and_gallery(data, playername)
 	-- How much height the image gallery “steals” from the text widget
 	local stolen_height = 0
 	local formstring = ""
@@ -476,7 +476,7 @@ end
 doc.widgets = {}
 
 -- Scrollable freeform text
-doc.widgets.text = function(data, x, y, width, height)
+function doc.widgets.text(data, x, y, width, height)
 	if x == nil then
 		x = doc.FORMSPEC.ENTRY_START_X
 	end
@@ -502,7 +502,7 @@ end
 
 -- Image gallery
 -- Currently, only one gallery per entry is supported. TODO: Add support for multiple galleries in an entry (low priority)
-doc.widgets.gallery = function(imagedata, playername, x, y, aspect_ratio, width, rows, align_left, align_top)
+function doc.widgets.gallery(imagedata, playername, x, y, aspect_ratio, width, rows, align_left, align_top)
 	if playername == nil then return nil end -- emergency exit
 
 	local formstring = ""
@@ -591,7 +591,7 @@ doc.widgets.gallery = function(imagedata, playername, x, y, aspect_ratio, width,
 end
 
 -- Direct formspec
-doc.entry_builders.formspec = function(data)
+function doc.entry_builders.formspec(data)
 	return data
 end
 
@@ -802,7 +802,7 @@ function doc.get_sorted_entry_names(cid)
 	local cat = doc.data.categories[cid]
 	local used_eids = {}
 	-- Helper function to extract the entry ID out of the output table
-	local extract = function(entry_table)
+	local function extract(entry_table)
 		local eids = {}
 		for k,v in pairs(entry_table) do
 			local eid = v.eid
@@ -1175,7 +1175,7 @@ minetest.register_on_joinplayer(function(player)
 end)
 
 ---[[ Add buttons for inventory mods ]]
-local button_action = function(player)
+local function button_action(player)
 	doc.show_doc(player:get_player_name())
 end
 

mods/HELP/doc/doc_identifier/init.lua

@@ -1,4 +1,4 @@
-local S = minetest.get_translator("doc_identifier")
+local S = minetest.get_translator(minetest.get_current_modname())
 
 local doc_identifier = {}
 
@@ -6,15 +6,16 @@ doc_identifier.registered_objects = {}
 
 -- API
 doc.sub.identifier = {}
-doc.sub.identifier.register_object = function(object_name, category_id, entry_id)
+
+function doc.sub.identifier.register_object(object_name, category_id, entry_id)
 	doc_identifier.registered_objects[object_name] = { category = category_id, entry = entry_id }
 end
 
 -- END OF API
 
-doc_identifier.identify = function(itemstack, user, pointed_thing)
+function doc_identifier.identify(itemstack, user, pointed_thing)
 	local username = user:get_player_name()
-	local show_message = function(username, itype, param)
+	local function show_message(username, itype, param)
 		local vsize = 2
 		local message
 		if itype == "error_item" then

mods/HELP/doc/doc_items/init.lua

@@ -1,6 +1,12 @@
-local S = minetest.get_translator("doc_items")
+local S = minetest.get_translator(minetest.get_current_modname())
 local N = function(s) return s end
 
+local math = math
+local string = string
+
+local tostring = tostring
+local pairs = pairs
+
 doc.sub.items = {}
 
 -- Template texts
@@ -34,13 +40,17 @@ local suppressed = {
 local forbidden_core_factoids = {}
 
 -- Helper functions
-local yesno = function(bool)
-	if bool==true then return S("Yes")
-	elseif bool==false then return S("No")
-	else return "N/A" end
+local function yesno(bool)
+	if bool == true then
+        return S("Yes")
+	elseif bool == false then
+        return S("No")
+	else
+        return "N/A"
+    end
 end
 
-local groups_to_string = function(grouptable, filter)
+local function groups_to_string(grouptable, filter)
 	local gstring = ""
 	local groups_count = 0
 	for id, value in pairs(grouptable) do
@@ -66,7 +76,7 @@ local groups_to_string = function(grouptable, filter)
 end
 
 -- Removes all text after the first newline (including the newline)
-local scrub_newlines = function(text)
+local function scrub_newlines(text)
 	local spl = string.split(text, "\n")
 	if spl and #spl > 0 then
 		return spl[1]
@@ -76,7 +86,7 @@ local scrub_newlines = function(text)
 end
 
 --[[ Append a newline to text, unless it already ends with a newline. ]]
-local newline = function(text)
+local function newline(text)
 	if string.sub(text, #text, #text) == "\n" or text == "" then
 		return text
 	else
@@ -85,7 +95,7 @@ local newline = function(text)
 end
 
 --[[ Make sure the text ends with two newlines by appending any missing newlines at the end, if neccessary. ]]
-local newline2 = function(text)
+local function newline2(text)
 	if string.sub(text, #text-1, #text) == "\n\n" or text == "" then
 		return text
 	elseif string.sub(text, #text, #text) == "\n" then
@@ -97,7 +107,7 @@ end
 
 
 -- Extract suitable item description for formspec
-local description_for_formspec = function(itemstring)
+local function description_for_formspec(itemstring)
 	if minetest.registered_items[itemstring] == nil then
 		-- Huh? The item doesn't exist for some reason. Better give a dummy string
 		minetest.log("warning", "[doc] Unknown item detected: "..tostring(itemstring))
@@ -111,7 +121,7 @@ local description_for_formspec = function(itemstring)
 	end
 end
 
-local get_entry_name = function(itemstring)
+local function get_entry_name(itemstring)
 	local def = minetest.registered_items[itemstring]
 	if def._doc_items_entry_name ~= nil then
 		return def._doc_items_entry_name
@@ -122,7 +132,7 @@ local get_entry_name = function(itemstring)
 	end
 end
 
-doc.sub.items.get_group_name = function(groupname)
+function doc.sub.items.get_group_name(groupname)
 	if groupdefs[groupname] ~= nil and doc.sub.items.settings.friendly_group_names == true then
 		return groupdefs[groupname]
 	else
@@ -130,7 +140,7 @@ doc.sub.items.get_group_name = function(groupname)
 	end
 end
 
-local burntime_to_text = function(burntime)
+local function burntime_to_text(burntime)
 	if burntime == nil then
 		return S("unknown")
 	elseif burntime == 1 then
@@ -146,7 +156,7 @@ end
 * Full punch interval
 * Damage groups
 ]]
-local factoid_toolcaps = function(tool_capabilities, check_uses)
+local function factoid_toolcaps(tool_capabilities, check_uses)
 	if forbidden_core_factoids.tool_capabilities then
 		return ""
 	end
@@ -282,7 +292,7 @@ end
 - Digging times/groups
 - level group
 ]]
-local factoid_mining_node = function(data)
+local function factoid_mining_node(data)
 	if forbidden_core_factoids.node_mining then
 		return ""
 	end
@@ -344,7 +354,7 @@ local factoid_mining_node = function(data)
 end
 
 -- Pointing range of itmes
-local range_factoid = function(itemstring, def)
+local function range_factoid(itemstring, def)
 	local handrange = minetest.registered_items[""].range
 	local itemrange = def.range
 	if itemstring == "" then
@@ -364,7 +374,7 @@ local range_factoid = function(itemstring, def)
 end
 
 -- Smelting fuel factoid
-local factoid_fuel = function(itemstring, ctype)
+local function factoid_fuel(itemstring, ctype)
 	if forbidden_core_factoids.fuel then
 		return ""
 	end
@@ -392,7 +402,7 @@ local factoid_fuel = function(itemstring, ctype)
 end
 
 -- Shows the itemstring of an item
-local factoid_itemstring = function(itemstring, playername)
+local function factoid_itemstring(itemstring, playername)
 	if forbidden_core_factoids.itemstring then
 		return ""
 	end
@@ -405,7 +415,7 @@ local factoid_itemstring = function(itemstring, playername)
 	end
 end
 
-local entry_image = function(data)
+local function entry_image(data)
 	local formstring = ""
 	-- No image for air
 	if data.itemstring ~= "air" then
@@ -434,7 +444,7 @@ factoid_generators.craftitems = {}
 * factoid_type: If set, oly returns factoid with a matching factoid_type.
                 If nil, all factoids for this category will be generated
 * data: Entry data to parse ]]
-local factoid_custom = function(category_id, factoid_type, data)
+local function factoid_custom(category_id, factoid_type, data)
 	local ftable = factoid_generators[category_id]
 	local datastring = ""
 	-- Custom factoids are inserted here
@@ -450,7 +460,7 @@ local factoid_custom = function(category_id, factoid_type, data)
 end
 
 -- Shows core information shared by all items, to be inserted at the top
-local factoids_header = function(data, ctype)
+local function factoids_header(data, ctype)
 	local datastring = ""
 	if not forbidden_core_factoids.basics then
 
@@ -510,7 +520,7 @@ local factoids_header = function(data, ctype)
 end
 
 -- Shows less important information shared by all items, to be inserted at the bottom
-local factoids_footer = function(data, playername, ctype)
+local function factoids_footer(data, playername, ctype)
 	local datastring = ""
 	datastring = datastring .. factoid_custom(ctype, "groups", data)
 	datastring = newline2(datastring)
@@ -812,7 +822,7 @@ doc.add_category("nodes", {
 			-- Non-default drops
 			if not forbidden_core_factoids.drops and data.def.drop ~= nil and data.def.drop ~= data.itemstring and data.itemstring ~= "air" then
 				-- TODO: Calculate drop probabilities of max > 1 like for max == 1
-				local get_desc = function(stack)
+				local function get_desc(stack)
 					return description_for_formspec(stack:get_name())
 				end
 				if data.def.drop == "" then
@@ -904,7 +914,7 @@ doc.add_category("nodes", {
 					-- Do some cleanup of the probability table
 					if max == 1 or max == nil then
 						-- Sort by rarity
-						local comp = function(p1, p2)
+						local function comp(p1, p2)
 							return p1.rarity < p2.rarity
 						end
 						table.sort(probtables, comp)
@@ -1232,7 +1242,7 @@ local function gather_descs()
 		})
 	end
 
-	local add_entries = function(deftable, category_id)
+	local function add_entries(deftable, category_id)
 		for id, def in pairs(deftable) do
 			local name, ld, uh, im
 			local forced = false

mods/HELP/mcl_craftguide/init.lua

@@ -726,7 +726,7 @@ local function make_formspec(name)
 	return concat(fs)
 end
 
-local show_fs = function(player, name)
+local function show_fs(player, name)
 	if sfinv_only then
 		sfinv.set_player_inventory_formspec(player)
 	else

mods/HELP/tt/init.lua

@@ -7,11 +7,11 @@ tt.NAME_COLOR = mcl_colors.YELLOW
 -- API
 tt.registered_snippets = {}
 
-tt.register_snippet = function(func)
+function tt.register_snippet(func)
 	table.insert(tt.registered_snippets, func)
 end
 
-tt.register_priority_snippet = function(func)
+function tt.register_priority_snippet(func)
 	table.insert(tt.registered_snippets, 1, func)
 end
 
@@ -60,7 +60,7 @@ end
 
 minetest.register_on_mods_loaded(append_snippets)
 
-tt.reload_itemstack_description = function(itemstack)
+function tt.reload_itemstack_description(itemstack)
 	local itemstring = itemstack:get_name()
 	local def = itemstack:get_definition()
 	local meta = itemstack:get_meta()

mods/HUD/hudbars/init.lua

@@ -179,7 +179,7 @@ function hb.register_hudbar(identifier, text_color, label, textures, direction,
 		format_string_config.format_max_value = "%d"
 	end
 
-	hudtable.add_all = function(player, hudtable, start_value, start_max, start_hidden)
+	function hudtable.add_all(player, hudtable, start_value, start_max, start_hidden)
 		if start_value == nil then start_value = hudtable.default_start_value end
 		if start_max == nil then start_max = hudtable.default_start_max end
 		if start_hidden == nil then start_hidden = hudtable.default_start_hidden end

mods/HUD/mcl_experience/init.lua

@@ -40,7 +40,7 @@ minetest.register_on_mods_loaded(function()
 	registered_nodes = minetest.registered_nodes
 end)
 
-local load_data = function(player)
+local function load_data(player)
 	local name = player:get_player_name()
 	pool[name] = {}
 	local temp_pool = pool[name]
@@ -52,7 +52,7 @@ local load_data = function(player)
 end
 
 -- saves data to be utilized on next login
-local save_data = function(player)
+local function save_data(player)
 	local name = player:get_player_name()
 	local temp_pool = pool[name]
 	local meta = player:get_meta()
@@ -70,7 +70,7 @@ minetest.register_on_leaveplayer(function(player)
 end)
 
 -- create instance of new hud
-hud_manager.add_hud = function(player,hud_name,def)
+function hud_manager.add_hud(player,hud_name,def)
     local name = player:get_player_name()
     if minetest.is_creative_enabled(name) then
 		return
@@ -100,7 +100,7 @@ hud_manager.add_hud = function(player,hud_name,def)
 end
 
 -- delete instance of hud
-hud_manager.remove_hud = function(player,hud_name)
+function hud_manager.remove_hud(player,hud_name)
     local name = player:get_player_name()
     if player_huds[name] and player_huds[name][hud_name] then
         player:hud_remove(player_huds[name][hud_name])
@@ -109,7 +109,7 @@ hud_manager.remove_hud = function(player,hud_name)
 end
 
 -- change element of hud
-hud_manager.change_hud = function(data)
+function hud_manager.change_hud(data)
     local name = data.player:get_player_name()
     if player_huds[name] and player_huds[name][data.hud_name] then
         data.player:hud_change(player_huds[name][data.hud_name], data.element, data.data)
@@ -117,7 +117,7 @@ hud_manager.change_hud = function(data)
 end
 
 -- gets if hud exists
-hud_manager.hud_exists = function(player,hud_name)
+function hud_manager.hud_exists(player,hud_name)
     local name = player:get_player_name()
     if player_huds[name] and player_huds[name][hud_name] then
         return true
@@ -133,7 +133,7 @@ minetest.register_on_leaveplayer(function(player)
 end)
 
 -- is used for shutdowns to save all data
-local save_all = function()
+local function save_all()
 	for name,_ in pairs(pool) do
 		local player = minetest.get_player_by_name(name)
 		if player then

mods/HUD/mcl_inventory/creative.lua

@@ -33,13 +33,13 @@ groups to be set. ]]
 do
 	for name,def in pairs(minetest.registered_items) do
 		if (not def.groups.not_in_creative_inventory or def.groups.not_in_creative_inventory == 0) and def.description and def.description ~= "" then
-			local is_redstone = function(def)
+			local function is_redstone(def)
 				return def.mesecons or def.groups.mesecon or def.groups.mesecon_conductor_craftable or def.groups.mesecon_effecor_off
 			end
-			local is_tool = function(def)
+			local function is_tool(def)
 				return def.groups.tool or (def.tool_capabilities ~= nil and def.tool_capabilities.damage_groups == nil)
 			end
-			local is_weapon_or_armor = function(def)
+			local function is_weapon_or_armor(def)
 				return def.groups.weapon or def.groups.weapon_ranged or def.groups.ammo or def.groups.combat_item or ((def.groups.armor_head or def.groups.armor_torso or def.groups.armor_legs or def.groups.armor_feet or def.groups.horse_armor) and def.groups.non_combat_armor ~= 1)
 			end
 			-- Is set to true if it was added in any category besides misc
@@ -208,7 +208,7 @@ local filtername = {}
 local noffset_x_start = -0.24
 local noffset_x = noffset_x_start
 local noffset_y = -0.25
-local next_noffset = function(id, right)
+local function next_noffset(id, right)
 	if right then
 		noffset[id] = { 8.94, noffset_y }
 	else
@@ -291,7 +291,7 @@ filtername["inv"] = S("Survival Inventory")
 end]]
 
 
-mcl_inventory.set_creative_formspec = function(player, start_i, pagenum, inv_size, show, page, filter)
+function mcl_inventory.set_creative_formspec(player, start_i, pagenum, inv_size, show, page, filter)
 	--reset_menu_item_bg()
 	pagenum = math.floor(pagenum) or 1
 

mods/HUD/mcl_inventory/init.lua

@@ -134,7 +134,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 end)
 
 if not minetest.is_creative_enabled("") then
-	mcl_inventory.update_inventory_formspec = function(player)
+	function mcl_inventory.update_inventory_formspec(player)
 		set_inventory(player)
 	end
 end
@@ -158,7 +158,7 @@ minetest.register_on_joinplayer(function(player)
 	player:hud_set_hotbar_selected_image("mcl_inventory_hotbar_selected.png")
 
 	local old_update_player = mcl_armor.update_player
-	mcl_armor.update_player = function(player, info)
+	function mcl_armor.update_player(player, info)
 		old_update_player(player, info)
 		set_inventory(player, true)
 	end

mods/ITEMS/mcl_banners/init.lua

@@ -93,11 +93,11 @@ local layer_ratio = 255
 local standing_banner_entity_offset = { x=0, y=-0.499, z=0 }
 local hanging_banner_entity_offset = { x=0, y=-1.7, z=0 }
 
-local rotation_level_to_yaw = function(rotation_level)
+local function rotation_level_to_yaw(rotation_level)
 	return (rotation_level * (math.pi/8)) + math.pi
 end
 
-local on_dig_banner = function(pos, node, digger)
+local function on_dig_banner(pos, node, digger)
 	-- Check protection
 	local name = digger:get_player_name()
 	if minetest.is_protected(pos, name) then
@@ -116,7 +116,7 @@ local on_dig_banner = function(pos, node, digger)
 	minetest.remove_node(pos)
 end
 
-local on_destruct_banner = function(pos, hanging)
+local function on_destruct_banner(pos, hanging)
 	local offset, nodename
 	if hanging then
 		offset = hanging_banner_entity_offset
@@ -136,15 +136,15 @@ local on_destruct_banner = function(pos, hanging)
 	end
 end
 
-local on_destruct_standing_banner = function(pos)
+local function on_destruct_standing_banner(pos)
 	return on_destruct_banner(pos, false)
 end
 
-local on_destruct_hanging_banner = function(pos)
+local function on_destruct_hanging_banner(pos)
 	return on_destruct_banner(pos, true)
 end
 
-local make_banner_texture = function(base_color, layers)
+local function make_banner_texture(base_color, layers)
 	local colorize
 	if mcl_banners.colors[base_color] then
 		colorize = mcl_banners.colors[base_color][4]
@@ -174,7 +174,7 @@ local make_banner_texture = function(base_color, layers)
 	end
 end
 
-local spawn_banner_entity = function(pos, hanging, itemstack)
+local function spawn_banner_entity(pos, hanging, itemstack)
 	local banner
 	if hanging then
 		banner = minetest.add_entity(pos, "mcl_banners:hanging_banner")
@@ -198,7 +198,7 @@ local spawn_banner_entity = function(pos, hanging, itemstack)
 	return banner
 end
 
-local respawn_banner_entity = function(pos, node, force)
+local function respawn_banner_entity(pos, node, force)
 	local hanging = node.name == "mcl_banners:hanging_banner"
 	local offset
 	if hanging then

mods/ITEMS/mcl_banners/patterncraft.lua

@@ -259,7 +259,7 @@ for colorid, colortab in pairs(mcl_banners.colors) do
 end
 
 -- Create a banner description containing all the layer names
-mcl_banners.make_advanced_banner_description = function(description, layers)
+function mcl_banners.make_advanced_banner_description(description, layers)
 	if layers == nil or #layers == 0 then
 		-- No layers, revert to default
 		return ""
@@ -296,7 +296,7 @@ Parameters same as for minetest.register_craft_predict.
 craft_predict is set true when called from minetest.craft_preview, in this case, this function
 MUST NOT change the crafting grid.
 ]]
-local banner_pattern_craft = function(itemstack, player, old_craft_grid, craft_inv, craft_predict)
+local function banner_pattern_craft(itemstack, player, old_craft_grid, craft_inv, craft_predict)
 	if minetest.get_item_group(itemstack:get_name(), "banner") ~= 1 then
 		return
 	end

mods/ITEMS/mcl_books/init.lua

@@ -30,7 +30,7 @@ end
 -- Get the included text out of the book item
 -- itemstack: Book item
 -- meta: Meta of book (optional)
-local get_text = function(itemstack)
+local function get_text(itemstack)
 	-- Grab the text
 	local meta = itemstack:get_meta()
 	local text = meta:get_string("text")
@@ -56,7 +56,7 @@ local get_text = function(itemstack)
 	return text
 end
 
-local make_description = function(title, author, generation)
+local function make_description(title, author, generation)
 	local desc
 	if generation == 0 then
 		desc = S("“@1”", title)
@@ -71,11 +71,11 @@ local make_description = function(title, author, generation)
 	return desc
 end
 
-local cap_text_length = function(text, max_length)
+local function cap_text_length(text, max_length)
 	return string.sub(text, 1, max_length)
 end
 
-local write = function(itemstack, user, pointed_thing)
+local function write(itemstack, user, pointed_thing)
 	-- Call on_rightclick if the pointed node defines it
 	if pointed_thing.type == "node" then
 		local node = minetest.get_node(pointed_thing.under)
@@ -96,7 +96,7 @@ local write = function(itemstack, user, pointed_thing)
 	minetest.show_formspec(user:get_player_name(), "mcl_books:writable_book", formspec)
 end
 
-local read = function(itemstack, user, pointed_thing)
+local function read(itemstack, user, pointed_thing)
 	-- Call on_rightclick if the pointed node defines it
 	if pointed_thing.type == "node" then
 		local node = minetest.get_node(pointed_thing.under)

mods/ITEMS/mcl_bows/arrow.lua

@@ -1,4 +1,4 @@
-local S = minetest.get_translator("mcl_bows")
+local S = minetest.get_translator(minetest.get_current_modname())
 
 local math = math
 local vector = vector
@@ -79,7 +79,7 @@ local ARROW_ENTITY={
 }
 
 -- Destroy arrow entity self at pos and drops it as an item
-local spawn_item = function(self, pos)
+local function spawn_item(self, pos)
 	if not minetest.is_creative_enabled("") then
 		local item = minetest.add_item(pos, "mcl_bows:arrow")
 		item:set_velocity({x=0, y=0, z=0})
@@ -89,7 +89,7 @@ local spawn_item = function(self, pos)
 	self.object:remove()
 end
 
-local damage_particles = function(pos, is_critical)
+local function damage_particles(pos, is_critical)
 	if is_critical then
 		minetest.add_particlespawner({
 			amount = 15,
@@ -111,7 +111,7 @@ local damage_particles = function(pos, is_critical)
 	end
 end
 
-ARROW_ENTITY.on_step = function(self, dtime)
+function ARROW_ENTITY.on_step(self, dtime)
 	mcl_burning.tick(self.object, dtime, self)
 
 	self._time_in_air = self._time_in_air + .001
@@ -423,13 +423,13 @@ end
 
 -- Force recheck of stuck arrows when punched.
 -- Otherwise, punching has no effect.
-ARROW_ENTITY.on_punch = function(self)
+function ARROW_ENTITY.on_punch(self)
 	if self._stuck then
 		self._stuckrechecktimer = STUCK_RECHECK_TIME
 	end
 end
 
-ARROW_ENTITY.get_staticdata = function(self)
+function ARROW_ENTITY.get_staticdata(self)
 	local out = {
 		lastpos = self._lastpos,
 		startpos = self._startpos,
@@ -451,7 +451,7 @@ ARROW_ENTITY.get_staticdata = function(self)
 	return minetest.serialize(out)
 end
 
-ARROW_ENTITY.on_activate = function(self, staticdata, dtime_s)
+function ARROW_ENTITY.on_activate(self, staticdata, dtime_s)
 	self._time_in_air = 1.0
 	self._in_player = false
 	local data = minetest.deserialize(staticdata)

mods/ITEMS/mcl_bows/bow.lua

@@ -33,7 +33,7 @@ local bow_load = {}
 -- Another player table, this one stores the wield index of the bow being charged
 local bow_index = {}
 
-mcl_bows.shoot_arrow = function(arrow_item, pos, dir, yaw, shooter, power, damage, is_critical, bow_stack, collectable)
+function mcl_bows.shoot_arrow(arrow_item, pos, dir, yaw, shooter, power, damage, is_critical, bow_stack, collectable)
 	local obj = minetest.add_entity({x=pos.x,y=pos.y,z=pos.z}, arrow_item.."_entity")
 	if power == nil then
 		power = BOW_MAX_SPEED --19
@@ -75,7 +75,7 @@ mcl_bows.shoot_arrow = function(arrow_item, pos, dir, yaw, shooter, power, damag
 	return obj
 end
 
-local get_arrow = function(player)
+local function get_arrow(player)
 	local inv = player:get_inventory()
 	local arrow_stack, arrow_stack_id
 	for i=1, inv:get_size("main") do
@@ -89,7 +89,7 @@ local get_arrow = function(player)
 	return arrow_stack, arrow_stack_id
 end
 
-local player_shoot_arrow = function(itemstack, player, power, damage, is_critical)
+local function player_shoot_arrow(itemstack, player, power, damage, is_critical)
 	local arrow_stack, arrow_stack_id = get_arrow(player)
 	local arrow_itemstring
 	local has_infinity_enchantment = mcl_enchanting.has_enchantment(player:get_wielded_item(), "infinity")
@@ -162,7 +162,7 @@ S("The speed and damage of the arrow increases the longer you charge. The regula
 })
 
 -- Iterates through player inventory and resets all the bows in "charging" state back to their original stage
-local reset_bows = function(player)
+local function reset_bows(player)
 	local inv = player:get_inventory()
 	local list = inv:get_list("main")
 	for place, stack in pairs(list) do
@@ -182,7 +182,7 @@ local reset_bows = function(player)
 end
 
 -- Resets the bow charging state and player speed. To be used when the player is no longer charging the bow
-local reset_bow_state = function(player, also_reset_bows)
+local function reset_bow_state(player, also_reset_bows)
 	bow_load[player:get_player_name()] = nil
 	bow_index[player:get_player_name()] = nil
 	if minetest.get_modpath("playerphysics") then

mods/ITEMS/mcl_brewing/init.lua

@@ -1,4 +1,4 @@
-local S = minetest.get_translator("mcl_brewing")
+local S = minetest.get_translator(minetest.get_current_modname())
 
 local function active_brewing_formspec(fuel_percent, brew_percent)
 
@@ -325,7 +325,7 @@ local tiles = {
 	"mcl_brewing_side.png^[transformFX",   --front
 }
 
-local allow_put = function(pos, listname, index, stack, player)
+local function allow_put(pos, listname, index, stack, player)
 	local name = player:get_player_name()
 	if minetest.is_protected(pos, name) then
 		minetest.record_protection_violation(pos, name)
@@ -335,7 +335,7 @@ local allow_put = function(pos, listname, index, stack, player)
 	end
 end
 
-local on_put = function(pos, listname, index, stack, player)
+local function on_put(pos, listname, index, stack, player)
 	local meta = minetest.get_meta(pos)
 	local inv = meta:get_inventory()
 	local str = ""
@@ -352,18 +352,18 @@ local on_put = function(pos, listname, index, stack, player)
 	--some code here to enforce only potions getting placed on stands
 end
 
---[[local after_dig = function(pos, oldnode, oldmetadata, digger)
+--[[local function after_dig(pos, oldnode, oldmetadata, digger)
 	local meta = minetest.get_meta(pos)
 	meta:from_table(oldmetadata)
 	drop_brewing_stand_items(pos, meta)
 end]]
 
-local on_destruct = function(pos)
+local function on_destruct(pos)
 	local meta = minetest.get_meta(pos)
 	drop_brewing_stand_items(pos, meta)
 end
 
-local allow_take = function(pos, listname, index, stack, player)
+local function allow_take(pos, listname, index, stack, player)
 	local name = player:get_player_name()
 	if minetest.is_protected(pos, name) then
 		minetest.record_protection_violation(pos, name)
@@ -493,7 +493,6 @@ minetest.register_node("mcl_brewing:stand_100", {
 	allow_metadata_inventory_put = allow_put,
 	on_metadata_inventory_put = on_put,
 	on_metadata_inventory_take = on_put,
-
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
@@ -503,7 +502,6 @@ minetest.register_node("mcl_brewing:stand_100", {
 		local form = brewing_formspec
 		meta:set_string("formspec", form)
 	end,
-
 	on_receive_fields = function(pos, formname, fields, sender)
 		local sender_name = sender:get_player_name()
 		if minetest.is_protected(pos, sender_name) then
@@ -511,10 +509,10 @@ minetest.register_node("mcl_brewing:stand_100", {
 			return
 		end
 	end,
-
 	on_timer = brewing_stand_timer,
 	on_rotate = on_rotate,
 })
+
 minetest.register_node("mcl_brewing:stand_010", {
 	description = S("Brewing Stand"),
 	_doc_items_create_entry = false,
@@ -567,7 +565,6 @@ minetest.register_node("mcl_brewing:stand_010", {
 	allow_metadata_inventory_put = allow_put,
 	on_metadata_inventory_put = on_put,
 	on_metadata_inventory_take = on_put,
-
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
@@ -577,7 +574,6 @@ minetest.register_node("mcl_brewing:stand_010", {
 		local form = brewing_formspec
 		meta:set_string("formspec", form)
 	end,
-
 	on_receive_fields = function(pos, formname, fields, sender)
 		local sender_name = sender:get_player_name()
 		if minetest.is_protected(pos, sender_name) then
@@ -585,10 +581,10 @@ minetest.register_node("mcl_brewing:stand_010", {
 			return
 		end
 	end,
-
 	on_timer = brewing_stand_timer,
 	on_rotate = on_rotate,
 })
+
 minetest.register_node("mcl_brewing:stand_001", {
 	description = S("Brewing Stand"),
 	_doc_items_create_entry = false,
@@ -605,7 +601,6 @@ minetest.register_node("mcl_brewing:stand_001", {
 	node_box = {
 		type = "fixed",
 		fixed = {
-
 			{-1/16, -5/16, -1/16, 1/16, 8/16, 1/16}, -- heat plume
 			{ 2/16, -8/16, -8/16, 8/16, -6/16, -2/16}, -- base
 			{-8/16, -8/16, -8/16, -2/16, -6/16, -2/16}, -- base
@@ -637,7 +632,6 @@ minetest.register_node("mcl_brewing:stand_001", {
 	allow_metadata_inventory_put = allow_put,
 	on_metadata_inventory_put = on_put,
 	on_metadata_inventory_take = on_put,
-
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
@@ -647,7 +641,6 @@ minetest.register_node("mcl_brewing:stand_001", {
 		local form = brewing_formspec
 		meta:set_string("formspec", form)
 	end,
-
 	on_receive_fields = function(pos, formname, fields, sender)
 		local sender_name = sender:get_player_name()
 		if minetest.is_protected(pos, sender_name) then
@@ -655,10 +648,10 @@ minetest.register_node("mcl_brewing:stand_001", {
 			return
 		end
 	end,
-
 	on_timer = brewing_stand_timer,
 	on_rotate = on_rotate,
 })
+
 minetest.register_node("mcl_brewing:stand_110", {
 	description = S("Brewing Stand"),
 	_doc_items_create_entry = false,
@@ -675,7 +668,6 @@ minetest.register_node("mcl_brewing:stand_110", {
 	node_box = {
 		type = "fixed",
 		fixed = {
-
 			{-1/16, -5/16, -1/16, 1/16, 8/16, 1/16}, -- heat plume
 			{ 2/16, -8/16, -8/16, 8/16, -6/16, -2/16}, -- base
 			{-8/16, -8/16, -8/16, -2/16, -6/16, -2/16}, -- base
@@ -717,7 +709,6 @@ minetest.register_node("mcl_brewing:stand_110", {
 	allow_metadata_inventory_put = allow_put,
 	on_metadata_inventory_put = on_put,
 	on_metadata_inventory_take = on_put,
-
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
@@ -727,7 +718,6 @@ minetest.register_node("mcl_brewing:stand_110", {
 		local form = brewing_formspec
 		meta:set_string("formspec", form)
 	end,
-
 	on_receive_fields = function(pos, formname, fields, sender)
 		local sender_name = sender:get_player_name()
 		if minetest.is_protected(pos, sender_name) then
@@ -735,10 +725,10 @@ minetest.register_node("mcl_brewing:stand_110", {
 			return
 		end
 	end,
-
 	on_timer = brewing_stand_timer,
 	on_rotate = on_rotate,
 })
+
 minetest.register_node("mcl_brewing:stand_101", {
 	description = S("Brewing Stand"),
 	_doc_items_create_entry = false,
@@ -755,7 +745,6 @@ minetest.register_node("mcl_brewing:stand_101", {
 	node_box = {
 		type = "fixed",
 		fixed = {
-
 			{-1/16, -5/16, -1/16, 1/16, 8/16, 1/16}, -- heat plume
 			{ 2/16, -8/16, -8/16, 8/16, -6/16, -2/16}, -- base
 			{-8/16, -8/16, -8/16, -2/16, -6/16, -2/16}, -- base
@@ -793,7 +782,6 @@ minetest.register_node("mcl_brewing:stand_101", {
 	allow_metadata_inventory_put = allow_put,
 	on_metadata_inventory_put = on_put,
 	on_metadata_inventory_take = on_put,
-
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
@@ -803,7 +791,6 @@ minetest.register_node("mcl_brewing:stand_101", {
 		local form = brewing_formspec
 		meta:set_string("formspec", form)
 	end,
-
 	on_receive_fields = function(pos, formname, fields, sender)
 		local sender_name = sender:get_player_name()
 		if minetest.is_protected(pos, sender_name) then
@@ -811,10 +798,10 @@ minetest.register_node("mcl_brewing:stand_101", {
 			return
 		end
 	end,
-
 	on_timer = brewing_stand_timer,
 	on_rotate = on_rotate,
 })
+
 minetest.register_node("mcl_brewing:stand_011", {
 	description = S("Brewing Stand"),
 	_doc_items_create_entry = false,
@@ -831,7 +818,6 @@ minetest.register_node("mcl_brewing:stand_011", {
 	node_box = {
 		type = "fixed",
 		fixed = {
-
 			{-1/16, -5/16, -1/16, 1/16, 8/16, 1/16}, -- heat plume
 			{ 2/16, -8/16, -8/16, 8/16, -6/16, -2/16}, -- base
 			{-8/16, -8/16, -8/16, -2/16, -6/16, -2/16}, -- base
@@ -869,7 +855,6 @@ minetest.register_node("mcl_brewing:stand_011", {
 	allow_metadata_inventory_put = allow_put,
 	on_metadata_inventory_put = on_put,
 	on_metadata_inventory_take = on_put,
-
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
@@ -879,7 +864,6 @@ minetest.register_node("mcl_brewing:stand_011", {
 		local form = brewing_formspec
 		meta:set_string("formspec", form)
 	end,
-
 	on_receive_fields = function(pos, formname, fields, sender)
 		local sender_name = sender:get_player_name()
 		if minetest.is_protected(pos, sender_name) then
@@ -887,10 +871,10 @@ minetest.register_node("mcl_brewing:stand_011", {
 			return
 		end
 	end,
-
 	on_timer = brewing_stand_timer,
 	on_rotate = on_rotate,
 })
+
 minetest.register_node("mcl_brewing:stand_111", {
 	description = S("Brewing Stand"),
 	_doc_items_create_entry = false,
@@ -907,7 +891,6 @@ minetest.register_node("mcl_brewing:stand_111", {
 	node_box = {
 		type = "fixed",
 		fixed = {
-
 			{-1/16, -5/16, -1/16, 1/16, 8/16, 1/16}, -- heat plume
 			{ 2/16, -8/16, -8/16, 8/16, -6/16, -2/16}, -- base
 			{-8/16, -8/16, -8/16, -2/16, -6/16, -2/16}, -- base
@@ -952,7 +935,6 @@ minetest.register_node("mcl_brewing:stand_111", {
 	allow_metadata_inventory_put = allow_put,
 	on_metadata_inventory_put = on_put,
 	on_metadata_inventory_take = on_put,
-
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		local inv = meta:get_inventory()
@@ -962,7 +944,6 @@ minetest.register_node("mcl_brewing:stand_111", {
 		local form = brewing_formspec
 		meta:set_string("formspec", form)
 	end,
-
 	on_receive_fields = function(pos, formname, fields, sender)
 		local sender_name = sender:get_player_name()
 		if minetest.is_protected(pos, sender_name) then
@@ -970,7 +951,6 @@ minetest.register_node("mcl_brewing:stand_111", {
 			return
 		end
 	end,
-
 	on_timer = brewing_stand_timer,
 	on_rotate = on_rotate,
 })