Add an i18n example.

examples/i18n/I18n.php

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+<?php
+
+class I18n extends Mustache {
+
+    // Variable to be interpolated
+    public $name = 'Bob';
+
+    // Add a {{#__}} lambda for i18n
+    public $__ = array(self, '__trans');
+
+    // A *very* small i18n dictionary :)
+    private $dictionary = array(
+        'Hello.' => 'Hola.',
+        'My name is {{ name }}.' => 'Me llamo {{ name }}.',
+    );
+
+    public function __trans($text) {
+        return isset($this->dictionary[$text]) ? $this->dictionary[$text] : $text;
+    }
+}

examples/i18n/i18n.mustache

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+{{#__}}Hello.{{/__}} {{#__}}My name is {{ name }}.{{/__}}

examples/i18n/i18n.txt

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+Hola. Me llamo Bob.