Copyright © 2001-2002 Thomas Marteau.
Copyright © 1999 The Puffin Group and Deb Richardson.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, 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. A copy of the license can be found at http://www.gnu.org/copyleft/fdl.html.