From 7fe3811c65a7c63154f03610e289a6d196f3ae2e Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 18 Jan 2012 06:10:46 -0500
Subject: [PATCH] Changed license to GNU GPLv3+ with exceptions for skins and plugins

---
 program/include/rcube_string_replacer.php |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/program/include/rcube_string_replacer.php b/program/include/rcube_string_replacer.php
index 28e1300..b3d29eb 100644
--- a/program/include/rcube_string_replacer.php
+++ b/program/include/rcube_string_replacer.php
@@ -6,7 +6,10 @@
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
  | Copyright (C) 2009, The Roundcube Dev Team                            |
- | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   Handle string replacements based on preg_replace_callback           |
@@ -36,9 +39,10 @@
   function __construct()
   {
     // Simplified domain expression for UTF8 characters handling
-    $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.[a-z]{2,5}';
-    $url1 = '.:;';
-    $url2 = 'a-z0-9%=#@+?&\\/_~\\[\\]-';
+    // Support unicode/punycode in top-level domain part
+    $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.([^\\x00-\\x2f\\x3b-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-z0-9]{2,})';
+    $url1 = '.:;,';
+    $url2 = 'a-z0-9%=#@+?!&\\/_~\\[\\]{}-';
 
     $this->link_pattern = "/([\w]+:\/\/|\Wwww\.)($utf_domain([$url1]?[$url2]+)*)/i";
     $this->mailto_pattern = "/("

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