Copyright (c) 2002 Guilherme Tupynambá
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License (GFDL), Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. The clone script is licensed in the terms of the GNU General Public License (GPL).