refactor code to use with intllib tool

api.lua

@@ -1,5 +1,5 @@
 local S = unified_inventory.gettext
-local F = unified_inventory.fgettext
+local F = minetest.formspec_escape
 
 -- Create detached creative inventory after loading all mods
 minetest.after(0.01, function()
@@ -233,7 +233,7 @@ end
 
 
 unified_inventory.register_craft_type("normal", {
-	description = F("Crafting"),
+	description = F(S("Crafting")),
 	icon = "ui_craftgrid_icon.png",
 	width = 3,
 	height = 3,
@@ -249,7 +249,7 @@ unified_inventory.register_craft_type("normal", {
 
 
 unified_inventory.register_craft_type("shapeless", {
-	description = F("Mixing"),
+	description = F(S("Mixing")),
 	icon = "ui_craftgrid_icon.png",
 	width = 3,
 	height = 3,
@@ -264,7 +264,7 @@ unified_inventory.register_craft_type("shapeless", {
 
 
 unified_inventory.register_craft_type("cooking", {
-	description = F("Cooking"),
+	description = F(S("Cooking")),
 	icon = "default_furnace_front.png",
 	width = 1,
 	height = 1,
@@ -272,7 +272,7 @@ unified_inventory.register_craft_type("cooking", {
 
 
 unified_inventory.register_craft_type("digging", {
-	description = F("Digging"),
+	description = F(S("Digging")),
 	icon = "default_tool_steelpick.png",
 	width = 1,
 	height = 1,

bags.lua

@@ -4,22 +4,22 @@
 -- License: GPLv3
 
 local S = unified_inventory.gettext
-local F = unified_inventory.fgettext
+local F = minetest.formspec_escape
 
 unified_inventory.register_page("bags", {
 	get_formspec = function(player)
 		local player_name = player:get_player_name()
 		local formspec = "background[0.06,0.99;7.92,7.52;ui_bags_main_form.png]"
-		formspec = formspec.."label[0,0;"..F("Bags").."]"
+		formspec = formspec.."label[0,0;"..F(S("Bags")).."]"
-		formspec = formspec.."button[0,2;2,0.5;bag1;"..F("Bag 1").."]"
+		formspec = formspec.."button[0,2;2,0.5;bag1;"..F(S("Bag @1", 1)).."]"
-		formspec = formspec.."button[2,2;2,0.5;bag2;"..F("Bag 2").."]"
+		formspec = formspec.."button[2,2;2,0.5;bag2;"..F(S("Bag @1", 2)).."]"
-		formspec = formspec.."button[4,2;2,0.5;bag3;"..F("Bag 3").."]"
+		formspec = formspec.."button[4,2;2,0.5;bag3;"..F(S("Bag @1", 3)).."]"
-		formspec = formspec.."button[6,2;2,0.5;bag4;"..F("Bag 4").."]"
+		formspec = formspec.."button[6,2;2,0.5;bag4;"..F(S("Bag @1", 4)).."]"
 		formspec = formspec.."listcolors[#00000000;#00000000]"
-		formspec = formspec.."list[detached:"..minetest.formspec_escape(player_name).."_bags;bag1;0.5,1;1,1;]"
+		formspec = formspec.."list[detached:"..F(player_name).."_bags;bag1;0.5,1;1,1;]"
-		formspec = formspec.."list[detached:"..minetest.formspec_escape(player_name).."_bags;bag2;2.5,1;1,1;]"
+		formspec = formspec.."list[detached:"..F(player_name).."_bags;bag2;2.5,1;1,1;]"
-		formspec = formspec.."list[detached:"..minetest.formspec_escape(player_name).."_bags;bag3;4.5,1;1,1;]"
+		formspec = formspec.."list[detached:"..F(player_name).."_bags;bag3;4.5,1;1,1;]"
-		formspec = formspec.."list[detached:"..minetest.formspec_escape(player_name).."_bags;bag4;6.5,1;1,1;]"
+		formspec = formspec.."list[detached:"..F(player_name).."_bags;bag4;6.5,1;1,1;]"
 		return {formspec=formspec}
 	end,
 })
@@ -38,7 +38,7 @@ for i = 1, 4 do
 			local stack = player:get_inventory():get_stack("bag"..bi, 1)
 			local image = stack:get_definition().inventory_image
 			local formspec = ("image[7,0;1,1;"..image.."]"
-					.."label[0,0;"..F("Bag @1", bi).."]"
+					.."label[0,0;"..F(S("Bag @1", bi)).."]"
 					.."listcolors[#00000000;#00000000]"
 					.."list[current_player;bag"..bi.."contents;0,1;8,3;]"
 					.."listring[current_name;bag"..bi.."contents]"
@@ -71,7 +71,7 @@ for i = 1, 4 do
 						end
 					end
 					local img = def.inventory_image
-					local label = F("Bag @1", i).."\n"..used.."/"..size
+					local label = F(S("Bag @1", i)).."\n"..used.."/"..size
 					button = "image_button["..(i+1)..",0;1,1;"..img..";bag"..i..";"..label.."]"
 				else
 					button = ""

init.lua

@@ -2,15 +2,9 @@
 
 local modpath = minetest.get_modpath(minetest.get_current_modname())
 local worldpath = minetest.get_worldpath()
-local mygettext
+
-if rawget(_G, "intllib") then
+-- Intllib
-	mygettext = intllib.Getter()
+local S, NS = dofile(modpath .. "/intllib.lua")
-else
-	function mygettext(s, ...)
-		local t = { ... }
-		return (s:gsub("@(%d+)", function(n) return t[tonumber(n)] end))
-	end
-end
 
 -- Data tables definitions
 unified_inventory = {
@@ -40,12 +34,11 @@ unified_inventory = {
 	default = "craft",
 
 	-- intllib
-	gettext = mygettext,
+	gettext = S,
-	fgettext = function(...) return minetest.formspec_escape(mygettext(...)) end,
 
 	-- "Lite" mode
 	lite_mode = minetest.setting_getbool("unified_inventory_lite"),
-	
+
 	-- Trash enabled
 	trash_enabled = (minetest.setting_getbool("unified_inventory_trash") ~= false),
 

internal.lua

@@ -1,5 +1,5 @@
 local S = unified_inventory.gettext
-local F = unified_inventory.fgettext
+local F = minetest.formspec_escape
 
 -- This pair of encoding functions is used where variable text must go in
 -- button names, where the text might contain formspec metacharacters.
@@ -94,7 +94,7 @@ function unified_inventory.get_formspec(player, page)
 	local filtered_inv_buttons = {}
 
 	for i, def in pairs(unified_inventory.buttons) do
-		if not (draw_lite_mode and def.hide_lite) then 
+		if not (draw_lite_mode and def.hide_lite) then
 			table.insert(filtered_inv_buttons, def)
 		end
 	end
@@ -111,16 +111,16 @@ function unified_inventory.get_formspec(player, page)
 				formspec[n] = "image_button["
 				formspec[n+1] = ( ui_peruser.main_button_x + 0.65 * (i - 1) - button_col * 0.65 * 4)
 				formspec[n+2] = ","..(ui_peruser.main_button_y + button_row * 0.7)..";0.8,0.8;"
-				formspec[n+3] = minetest.formspec_escape(def.image)..";"
+				formspec[n+3] = F(def.image)..";"
-				formspec[n+4] = minetest.formspec_escape(def.name)..";]"
+				formspec[n+4] = F(def.name)..";]"
-				formspec[n+5] = "tooltip["..minetest.formspec_escape(def.name)
+				formspec[n+5] = "tooltip["..F(def.name)
 				formspec[n+6] = ";"..(def.tooltip or "").."]"
 				n = n+7
 			else
 				formspec[n] = "image["
 				formspec[n+1] = ( ui_peruser.main_button_x + 0.65 * (i - 1) - button_col * 0.65 * 4)
 				formspec[n+2] = ","..(ui_peruser.main_button_y + button_row * 0.7)..";0.8,0.8;"
-				formspec[n+3] = minetest.formspec_escape(def.image).."^[colorize:#808080:alpha]"
+				formspec[n+3] = F(def.image).."^[colorize:#808080:alpha]"
 				n = n+4
 
 			end
@@ -145,39 +145,39 @@ function unified_inventory.get_formspec(player, page)
 		formspec[n] =
 			"image_button[" .. (start_x + 0.6 * 0)
 				.. ",9;.8,.8;ui_skip_backward_icon.png;start_list;]"
-			.. "tooltip[start_list;" .. F("First page") .. "]"
+			.. "tooltip[start_list;" .. F(S("First page")) .. "]"
 
 			.. "image_button[" .. (start_x + 0.6 * 1)
 				.. ",9;.8,.8;ui_doubleleft_icon.png;rewind3;]"
-			.. "tooltip[rewind3;" .. F("Back three pages") .. "]"
+			.. "tooltip[rewind3;" .. F(S("Back three pages")) .. "]"
 			.. "image_button[" .. (start_x + 0.6 * 2)
 				.. ",9;.8,.8;ui_left_icon.png;rewind1;]"
-			.. "tooltip[rewind1;" .. F("Back one page") .. "]"
+			.. "tooltip[rewind1;" .. F(S("Back one page")) .. "]"
 
 			.. "image_button[" .. (start_x + 0.6 * 3)
 				.. ",9;.8,.8;ui_right_icon.png;forward1;]"
-			.. "tooltip[forward1;" .. F("Forward one page") .. "]"
+			.. "tooltip[forward1;" .. F(S("Forward one page")) .. "]"
 			.. "image_button[" .. (start_x + 0.6 * 4)
 				.. ",9;.8,.8;ui_doubleright_icon.png;forward3;]"
-			.. "tooltip[forward3;" .. F("Forward three pages") .. "]"
+			.. "tooltip[forward3;" .. F(S("Forward three pages")) .. "]"
 
 			.. "image_button[" .. (start_x + 0.6 * 5)
 				.. ",9;.8,.8;ui_skip_forward_icon.png;end_list;]"
-			.. "tooltip[end_list;" .. F("Last page") .. "]"
+			.. "tooltip[end_list;" .. F(S("Last page")) .. "]"
 	else
 		formspec[n] =
 			"image_button[" .. (8.2 + 0.65 * 0)
 				.. ",5.8;.8,.8;ui_skip_backward_icon.png;start_list;]"
-			.. "tooltip[start_list;" .. F("First page") .. "]"
+			.. "tooltip[start_list;" .. F(S("First page")) .. "]"
 			.. "image_button[" .. (8.2 + 0.65 * 1)
 				.. ",5.8;.8,.8;ui_left_icon.png;rewind1;]"
-			.. "tooltip[rewind1;" .. F("Back one page") .. "]"
+			.. "tooltip[rewind1;" .. F(S("Back one page")) .. "]"
 			.. "image_button[" .. (8.2 + 0.65 * 2)
 				.. ",5.8;.8,.8;ui_right_icon.png;forward1;]"
-			.. "tooltip[forward1;" .. F("Forward one page") .. "]"
+			.. "tooltip[forward1;" .. F(S("Forward one page")) .. "]"
 			.. "image_button[" .. (8.2 + 0.65 * 3)
 				.. ",5.8;.8,.8;ui_skip_forward_icon.png;end_list;]"
-			.. "tooltip[end_list;" .. F("Last page") .. "]"
+			.. "tooltip[end_list;" .. F(S("Last page")) .. "]"
 	end
 	n = n+1
 
@@ -187,26 +187,26 @@ function unified_inventory.get_formspec(player, page)
 
 	if not draw_lite_mode then
 		formspec[n] = "field[9.5,8.325;3,1;searchbox;;"
-			.. minetest.formspec_escape(unified_inventory.current_searchbox[player_name]) .. "]"
+			.. F(unified_inventory.current_searchbox[player_name]) .. "]"
 		formspec[n+1] = "image_button[12.2,8.1;.8,.8;ui_search_icon.png;searchbutton;]"
-			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+			.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
 		formspec[n+2] = "image_button[12.9,8.1;.8,.8;ui_reset_icon.png;searchresetbutton;]"
-			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+			.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
-			.. "tooltip[searchresetbutton;" ..F("Reset search and display everything") .. "]"
+			.. "tooltip[searchresetbutton;" ..F(S("Reset search and display everything")) .. "]"
 	else
 		formspec[n] = "field[8.5,5.225;2.2,1;searchbox;;"
-			.. minetest.formspec_escape(unified_inventory.current_searchbox[player_name]) .. "]"
+			.. F(unified_inventory.current_searchbox[player_name]) .. "]"
 		formspec[n+1] = "image_button[10.3,5;.8,.8;ui_search_icon.png;searchbutton;]"
-			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+			.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
 		formspec[n+2] = "image_button[11,5;.8,.8;ui_reset_icon.png;searchresetbutton;]"
-			.. "tooltip[searchbutton;" ..F("Search") .. "]"
+			.. "tooltip[searchbutton;" ..F(S("Search")) .. "]"
-			.. "tooltip[searchresetbutton;" ..F("Reset search and display everything") .. "]"
+			.. "tooltip[searchresetbutton;" ..F(S("Reset search and display everything")) .. "]"
 	end
 	n = n+3
 
-	local no_matches = "No matching items"
+	local no_matches = S("No matching items")
 	if draw_lite_mode then
-		no_matches = "No matches."
+		no_matches = S("No matches.")
 	end
 
 	-- Items list
@@ -246,14 +246,14 @@ function unified_inventory.get_formspec(player, page)
 				end
 			end
 		end
-		formspec[n] = "label[8.2,"..ui_peruser.form_header_y..";"..F("Page") .. ": "
+		formspec[n] = "label[8.2,"..ui_peruser.form_header_y..";"..F(S("Page")) .. ": "
 			.. S("%s of %s"):format(page,pagemax).."]"
 	end
 	n= n+1
 
 	if unified_inventory.activefilter[player_name] ~= "" then
-		formspec[n] = "label[8.2,"..(ui_peruser.form_header_y + 0.4)..";" .. F("Filter") .. ":]"
+		formspec[n] = "label[8.2,"..(ui_peruser.form_header_y + 0.4)..";" .. F(S("Filter")) .. ":]"
-		formspec[n+1] = "label[9.1,"..(ui_peruser.form_header_y + 0.4)..";"..minetest.formspec_escape(unified_inventory.activefilter[player_name]).."]"
+		formspec[n+1] = "label[9.1,"..(ui_peruser.form_header_y + 0.4)..";"..F(unified_inventory.activefilter[player_name]).."]"
 	end
 	return table.concat(formspec, "")
 end

intllib.lua

@@ -0,0 +1,45 @@
+
+-- Fallback functions for when `intllib` is not installed.
+-- Code released under Unlicense <http://unlicense.org>.
+
+-- Get the latest version of this file at:
+--   https://raw.githubusercontent.com/minetest-mods/intllib/master/lib/intllib.lua
+
+local function format(str, ...)
+	local args = { ... }
+	local function repl(escape, open, num, close)
+		if escape == "" then
+			local replacement = tostring(args[tonumber(num)])
+			if open == "" then
+				replacement = replacement..close
+			end
+			return replacement
+		else
+			return "@"..open..num..close
+		end
+	end
+	return (str:gsub("(@?)@(%(?)(%d+)(%)?)", repl))
+end
+
+local gettext, ngettext
+if minetest.get_modpath("intllib") then
+	if intllib.make_gettext_pair then
+		-- New method using gettext.
+		gettext, ngettext = intllib.make_gettext_pair()
+	else
+		-- Old method using text files.
+		gettext = intllib.Getter()
+	end
+end
+
+-- Fill in missing functions.
+
+gettext = gettext or function(msgid, ...)
+	return format(msgid, ...)
+end
+
+ngettext = ngettext or function(msgid, msgid_plural, n, ...)
+	return format(n==1 and msgid or msgid_plural, ...)
+end
+
+return gettext, ngettext

register.lua

@@ -1,5 +1,5 @@
 local S = unified_inventory.gettext
-local F = unified_inventory.fgettext
+local F = minetest.formspec_escape
 
 minetest.register_privilege("creative", {
 	description = S("Can use the creative inventory"),
@@ -171,20 +171,20 @@ unified_inventory.register_page("craft", {
 		local player_name = player:get_player_name()
 		local formspec = "background[2,"..formspecy..";6,3;ui_crafting_form.png]"
 		formspec = formspec.."background[0,"..(formspecy + 3.5)..";8,4;ui_main_inventory.png]"
-		formspec = formspec.."label[0,"..formheadery..";" ..F("Crafting").."]"
+		formspec = formspec.."label[0,"..formheadery..";" ..F(S("Crafting")).."]"
 		formspec = formspec.."listcolors[#00000000;#00000000]"
 		formspec = formspec.."list[current_player;craftpreview;6,"..formspecy..";1,1;]"
 		formspec = formspec.."list[current_player;craft;2,"..formspecy..";3,3;]"
 		if unified_inventory.trash_enabled or unified_inventory.is_creative(player_name) or minetest.get_player_privs(player_name).give then
-			formspec = formspec.."label[7,"..(formspecy + 1.5)..";" .. F("Trash:") .. "]"
+			formspec = formspec.."label[7,"..(formspecy + 1.5)..";" .. F(S("Trash:")) .. "]"
 			formspec = formspec.."background[7,"..(formspecy + 2)..";1,1;ui_single_slot.png]"
 			formspec = formspec.."list[detached:trash;main;7,"..(formspecy + 2)..";1,1;]"
 		end
 		formspec = formspec.."listring[current_name;craft]"
 		formspec = formspec.."listring[current_player;main]"
 		if unified_inventory.is_creative(player_name) then
-			formspec = formspec.."label[0,"..(formspecy + 1.5)..";" .. F("Refill:") .. "]"
+			formspec = formspec.."label[0,"..(formspecy + 1.5)..";" .. F(S("Refill:")) .. "]"
-			formspec = formspec.."list[detached:"..minetest.formspec_escape(player_name).."refill;main;0,"..(formspecy +2)..";1,1;]"
+			formspec = formspec.."list[detached:"..F(player_name).."refill;main;0,"..(formspecy +2)..";1,1;]"
 		end
 		return {formspec=formspec}
 	end,
@@ -211,10 +211,10 @@ local function stack_image_button(x, y, w, h, buttonname_prefix, item)
 		selectitem = group_item.sole and displayitem or name
 	end
 	local label = show_is_group and "G" or ""
-	local buttonname = minetest.formspec_escape(buttonname_prefix..unified_inventory.mangle_for_formspec(selectitem))
+	local buttonname = F(buttonname_prefix..unified_inventory.mangle_for_formspec(selectitem))
 	local button = string.format("item_image_button[%f,%f;%f,%f;%s;%s;%s]",
 			x, y, w, h,
-			minetest.formspec_escape(displayitem), buttonname, label)
+			F(displayitem), buttonname, label)
 	if show_is_group then
 		local groupstring, andcount = unified_inventory.extract_groupnames(name)
 		local grouptip
@@ -223,7 +223,7 @@ local function stack_image_button(x, y, w, h, buttonname_prefix, item)
 		elseif andcount > 1 then
 			grouptip = string.format(S("Any item belonging to the groups %s"), groupstring)
 		end
-		grouptip = minetest.formspec_escape(grouptip)
+		grouptip = F(grouptip)
 		if andcount >= 1 then
 			button = button  .. string.format("tooltip[%s;%s]", buttonname, grouptip)
 		end
@@ -232,28 +232,28 @@ local function stack_image_button(x, y, w, h, buttonname_prefix, item)
 end
 
 local recipe_text = {
-	recipe = "Recipe %d of %d",
+	recipe = S("Recipe %d of %d"),
-	usage = "Usage %d of %d",
+	usage = S("Usage %d of %d"),
 }
 local no_recipe_text = {
-	recipe = "No recipes",
+	recipe = S("No recipes"),
-	usage = "No usages",
+	usage = S("No usages"),
 }
 local role_text = {
-	recipe = "Result",
+	recipe = S("Result"),
-	usage = "Ingredient",
+	usage = S("Ingredient"),
 }
 local next_alt_text = {
-	recipe = "Show next recipe",
+	recipe = S("Show next recipe"),
-	usage = "Show next usage",
+	usage = S("Show next usage"),
 }
 local prev_alt_text = {
-	recipe = "Show previous recipe",
+	recipe = S("Show previous recipe"),
-	usage = "Show previous usage",
+	usage = S("Show previous usage"),
 }
 local other_dir = {
-	recipe = "usage",
+	recipe = S("usage"),
-	usage = "recipe",
+	usage = S("recipe"),
 }
 
 unified_inventory.register_page("craftguide", {
@@ -268,7 +268,7 @@ unified_inventory.register_page("craftguide", {
 		local player_privs = minetest.get_player_privs(player_name)
 		local formspec = ""
 		formspec = formspec.."background[0,"..(formspecy + 3.5)..";8,4;ui_main_inventory.png]"
-		formspec = formspec.."label[0,"..formheadery..";" .. F("Crafting Guide") .. "]"
+		formspec = formspec.."label[0,"..formheadery..";" .. F(S("Crafting Guide")) .. "]"
 		formspec = formspec.."listcolors[#00000000;#00000000]"
 		local item_name = unified_inventory.current_item[player_name]
 		if not item_name then return {formspec=formspec} end
@@ -293,20 +293,20 @@ unified_inventory.register_page("craftguide", {
 
 		formspec = formspec.."background[0.5,"..(formspecy + 0.2)..";8,3;ui_craftguide_form.png]"
 		formspec = formspec.."textarea["..craftresultx..","..craftresulty
-                           ..";10,1;;"..minetest.formspec_escape(F(role_text[dir])..": "..item_name_shown)..";]"
+                           ..";10,1;;"..F(role_text[dir])..": "..item_name_shown..";]"
 		formspec = formspec..stack_image_button(0, formspecy, 1.1, 1.1, "item_button_"
 		                   .. rdir .. "_", ItemStack(item_name))
 
 		if not craft then
 			formspec = formspec.."label[5.5,"..(formspecy + 2.35)..";"
-			                   ..minetest.formspec_escape(F(no_recipe_text[dir])).."]"
+			                   ..F(no_recipe_text[dir]).."]"
 			local no_pos = dir == "recipe" and 4.5 or 6.5
 			local item_pos = dir == "recipe" and 6.5 or 4.5
 			formspec = formspec.."image["..no_pos..","..formspecy..";1.1,1.1;ui_no.png]"
 			formspec = formspec..stack_image_button(item_pos, formspecy, 1.1, 1.1, "item_button_"
 			                   ..other_dir[dir].."_", ItemStack(item_name))
 			if player_privs.give == true or player_privs.creative == true or minetest.setting_getbool("creative_mode") == true then
-				formspec = formspec.."label[0,"..(formspecy + 2.10)..";" .. F("Give me:") .. "]"
+				formspec = formspec.."label[0,"..(formspecy + 2.10)..";" .. F(S("Give me:")) .. "]"
 						.."button[0,  "..(formspecy + 2.7)..";0.6,0.5;craftguide_giveme_1;1]"
 						.."button[0.6,"..(formspecy + 2.7)..";0.7,0.5;craftguide_giveme_10;10]"
 						.."button[1.3,"..(formspecy + 2.7)..";0.8,0.5;craftguide_giveme_99;99]"
@@ -319,7 +319,7 @@ unified_inventory.register_page("craftguide", {
 		if craft_type.icon then
 			formspec = formspec..string.format(" image[%f,%f;%f,%f;%s]",5.7,(formspecy + 0.05),0.5,0.5,craft_type.icon)
 		end
-		formspec = formspec.."label[5.5,"..(formspecy + 1)..";" .. minetest.formspec_escape(craft_type.description).."]"
+		formspec = formspec.."label[5.5,"..(formspecy + 1)..";" .. F(craft_type.description).."]"
 		formspec = formspec..stack_image_button(6.5, formspecy, 1.1, 1.1, "item_button_usage_", ItemStack(craft.output))
 		local display_size = craft_type.dynamic_display_size and craft_type.dynamic_display_size(craft) or { width = craft_type.width, height = craft_type.height }
 		local craft_width = craft_type.get_shaped_craft_width and craft_type.get_shaped_craft_width(craft) or display_size.width
@@ -373,17 +373,17 @@ unified_inventory.register_page("craftguide", {
 			-- Error
 			formspec = formspec.."label["
 				..tostring(2)..","..tostring(formspecy)
-				..";"..minetest.formspec_escape(S("This recipe is too\nlarge to be displayed.")).."]"
+				..";"..F(S("This recipe is too\nlarge to be displayed.")).."]"
 		end
 
 		if craft_type.uses_crafting_grid and display_size.width <= 3 then
-			formspec = formspec.."label[0,"..(formspecy + 0.9)..";" .. F("To craft grid:") .. "]"
+			formspec = formspec.."label[0,"..(formspecy + 0.9)..";" .. F(S("To craft grid:")) .. "]"
 					.."button[0,  "..(formspecy + 1.5)..";0.6,0.5;craftguide_craft_1;1]"
 					.."button[0.6,"..(formspecy + 1.5)..";0.7,0.5;craftguide_craft_10;10]"
-					.."button[1.3,"..(formspecy + 1.5)..";0.8,0.5;craftguide_craft_max;" .. F("All") .. "]"
+					.."button[1.3,"..(formspecy + 1.5)..";0.8,0.5;craftguide_craft_max;" .. F(S("All")) .. "]"
 		end
 		if player_privs.give == true or player_privs.creative == true or minetest.setting_getbool("creative_mode") == true then
-			formspec = formspec.."label[0,"..(formspecy + 2.1)..";" .. F("Give me:") .. "]"
+			formspec = formspec.."label[0,"..(formspecy + 2.1)..";" .. F(S("Give me:")) .. "]"
 					.."button[0,  "..(formspecy + 2.7)..";0.6,0.5;craftguide_giveme_1;1]"
 					.."button[0.6,"..(formspecy + 2.7)..";0.7,0.5;craftguide_giveme_10;10]"
 					.."button[1.3,"..(formspecy + 2.7)..";0.8,0.5;craftguide_giveme_99;99]"

waypoints.lua

@@ -1,5 +1,5 @@
 local S = unified_inventory.gettext
-local F = unified_inventory.fgettext
+local F = minetest.formspec_escape
 
 local hud_colors = {
 	{"#FFFFFF", 0xFFFFFF, S("White")},
@@ -25,7 +25,7 @@ unified_inventory.register_page("waypoints", {
 		local waypoints = datastorage.get(player_name, "waypoints")
 		local formspec = "background[0,4.5;8,4;ui_main_inventory.png]" ..
 			"image[0,0;1,1;ui_waypoints_icon.png]" ..
-			"label[1,0;" .. F("Waypoints") .. "]"
+			"label[1,0;" .. F(S("Waypoints")) .. "]"
 
 		-- Tabs buttons:
 		for i = 1, 5, 1 do
@@ -49,43 +49,43 @@ unified_inventory.register_page("waypoints", {
 			"ui_waypoint_set_icon.png;"..
 			"set_waypoint"..i..";]"..
 			"tooltip[set_waypoint" .. i .. ";"
-				.. F("Set waypoint to current location").."]"
+				.. F(S("Set waypoint to current location")).."]"
 
 		formspec = formspec ..
 			"image_button[5.2,3.7;.8,.8;"..
 			(waypoint.active and "ui_on_icon.png" or "ui_off_icon.png")..";"..
 			"toggle_waypoint"..i..";]"..
 			"tooltip[toggle_waypoint" .. i .. ";"
-				.. F("Make waypoint "
+				.. F(S("Make waypoint @1",
-					..(waypoint.active and "invisible" or "visible")).."]"
+					waypoint.active and S("invisible") or S("visible"))).."]"
 
 		formspec = formspec ..
 			"image_button[5.9,3.7;.8,.8;"..
 			(waypoint.display_pos and "ui_green_icon_background.png" or "ui_red_icon_background.png").."^ui_xyz_icon.png;"..
 			"toggle_display_pos" .. i .. ";]"..
 			"tooltip[toggle_display_pos" .. i .. ";"
-				.. F((waypoint.display_pos and "Disable" or "Enable")
+				.. F(S("@1 display of waypoint coordinates",
-					.." display of waypoint coordinates").."]"
+					waypoint.display_pos and S("Disable") or S("Enable"))) .."]"
 
 		formspec = formspec ..
 			"image_button[6.6,3.7;.8,.8;"..
 			"ui_circular_arrows_icon.png;"..
 			"toggle_color"..i..";]"..
 			"tooltip[toggle_color" .. i .. ";"
-				.. F("Change color of waypoint display").."]"
+				.. F(S("Change color of waypoint display")).."]"
 
 		formspec = formspec ..
 			"image_button[7.3,3.7;.8,.8;"..
 			"ui_pencil_icon.png;"..
 			"rename_waypoint"..i..";]"..
 			"tooltip[rename_waypoint" .. i .. ";"
-				.. F("Edit waypoint name").."]"
+				.. F(S("Edit waypoint name")).."]"
 
 		-- Waypoint's info:
 		if waypoint.active then
-			formspec = formspec .. 	"label[1,0.8;"..F("Waypoint active").."]"
+			formspec = formspec .. 	"label[1,0.8;"..F(S("Waypoint active")).."]"
 		else
-			formspec = formspec .. 	"label[1,0.8;"..F("Waypoint inactive").."]"
+			formspec = formspec .. 	"label[1,0.8;"..F(S("Waypoint inactive")).."]"
 		end
 
 		if temp.edit then
@@ -96,13 +96,13 @@ unified_inventory.register_page("waypoints", {
 				"ui_ok_icon.png;"..
 				"confirm_rename"..i.. ";]"..
 				"tooltip[confirm_rename" .. i .. ";"
-					.. F("Finish editing").."]"
+					.. F(S("Finish editing")).."]"
 		end
 
-		formspec = formspec .. "label[1,1.3;"..F("World position")..": " ..
+		formspec = formspec .. "label[1,1.3;"..F(S("World position"))..": " ..
 			minetest.pos_to_string(waypoint.world_pos or vector.new()) .. "]" ..
-			"label[1,1.8;"..F("Name")..": ".. (waypoint.name or default_name) .. "]" ..
+			"label[1,1.8;"..F(S("Name"))..": ".. (waypoint.name or default_name) .. "]" ..
-			"label[1,2.3;"..F("HUD text color")..": " ..
+			"label[1,2.3;"..F(S("HUD text color"))..": " ..
 			hud_colors[waypoint.color or 1][3] .. "]"
 
 		return {formspec=formspec}