--- a/util/set.lua	Fri Jul 10 02:50:57 2009 +0100
+++ b/util/set.lua	Fri Jul 10 03:08:38 2009 +0100
@@ -1,3 +1,11 @@
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+-- 
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
 local ipairs, pairs, setmetatable, next, tostring = 
       ipairs, pairs, setmetatable, next, tostring;
 local t_concat = table.concat;