[ticket/11768] This commit integrates s9e\TextFormatter

This commit integrates s9e\TextFormatter as outlined in
http://area51.phpbb.com/phpBB/viewtopic.php?f=108&t=44467

PHPBB3-11768

tests/text_processing/tickets_data/PHPBB3-3981.before.php

@@ -0,0 +1,17 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+function before_assert_phpbb3_3981($vars)
+{
+	if (!function_exists('idn_to_ascii'))
+	{
+		extract($vars);
+		$test->markTestSkipped('International URLs need idn_to_ascii()');
+	}
+}