Add minimal example mod.

intltest/README.md

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+
+# Intllib example
+
+This is a simple mod showing how to use intllib.
+
+It defines a test `intltest:test` item whose description is translated
+according to the user's language.
+
+Additionally, it demonstrates how to use plural forms by counting the
+number of times the item has been used.

intltest/depends.txt

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+intllib?

intltest/init.lua

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+
+-- Load support for intllib.
+local MP = minetest.get_modpath(minetest.get_current_modname())
+local S, NS = dofile(MP.."/intllib.lua")
+
+local use_count = 0
+
+minetest.log("action", S("Hello, world!"))
+
+minetest.register_craftitem("intltest:test", {
+	-- Example use of replacements.
+	-- Translators: @1 is color, @2 is object.
+	description = S("Test: @1 @2", S("Blue"), S("Car")),
+
+	inventory_image = "default_sand.png",
+
+	on_use = function(stack, user, pt)
+		use_count = use_count + 1
+		-- Example use of `ngettext` function.
+		-- First `use_count` is `n` for ngettext;
+		-- Second one is actual replacement.
+		-- Translators: @1 is use count.
+		local message = NS("Item has been used @1 time.",
+				"Item has been used @1 times.",
+				use_count, use_count)
+		minetest.chat_send_player(user:get_player_name(), message)
+	end,
+})

intltest/intllib.lua

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+
+-- This file should be replaced by `intllib/lib/intllib.lua`.
+return dofile(minetest.get_modpath("intllib").."/lib/intllib.lua")

intltest/locale/es.po

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+# I18N Test Mod.
+# Copyright (C) 2013-2017 Diego Martínez <kaeza@users.sf.net>
+# This file is distributed under the same license as the intllib mod.
+# Diego Martínez <kaeza@users.sf.net>, 2013-2017.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: I18N Test Mod 0.1.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-24 00:46-0300\n"
+"PO-Revision-Date: 2017-01-23 17:36-0300\n"
+"Last-Translator: Diego Martnez <kaeza@users.sf.net>\n"
+"Language-Team: Spanish\n"
+"Language: es\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=ASCII\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: init.lua:8
+msgid "Hello, world!"
+msgstr "¡Hola, mundo!"
+
+#: init.lua:13
+msgid "Blue"
+msgstr "Azul"
+
+#: init.lua:13
+msgid "Car"
+msgstr "Carro"
+
+#: init.lua:13
+msgid "Test: @1 @2"
+msgstr "Prueba: @2 @1"
+
+#: init.lua:23
+msgid "Item has been used @1 time."
+msgid_plural "Item has been used @1 times."
+msgstr[0] "El objeto ha sido usado @1 vez."
+msgstr[1] "El objeto ha sido usado @1 veces."

intltest/locale/template.pot

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+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2017-01-24 00:46-0300\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=INTEGER; plural=EXPRESSION;\n"
+
+#: init.lua:8
+msgid "Hello, world!"
+msgstr ""
+
+#: init.lua:13
+msgid "Blue"
+msgstr ""
+
+#: init.lua:13
+msgid "Car"
+msgstr ""
+
+#: init.lua:13
+msgid "Test: @1 @2"
+msgstr ""
+
+#: init.lua:23
+msgid "Item has been used @1 time."
+msgid_plural "Item has been used @1 times."
+msgstr[0] ""
+msgstr[1] ""