1. About this article

1.1. Copyright information

Copyright ©2002 Chris Lale (chrislale@users.sourceforge.net). Permission is granted to copy, distribute and/or modify this document with no Invariant Sections, with no Front-Cover texts and with no Back-Cover Texts under the terms of the GNU Free Documentation License, version 1.1 or any later version, published by the Free Software Foundation. A copy of the license can be found at http://www.fsf.org/copyleft/fdl.html

1.2. Bugs, errors and mistakes

If you find any errors, omissions etc, please let me know at chrislale@users.sourceforge.net

1.3. Spelling, punctuation and grammar

This document is written in UK English (not American English). If you spot a mistake, please check with a UK dictionary or spell-checker before contacting me! You can find a summary of English punctuation and grammar at http://www.bolton.ac.uk/webpublishing/guidelines/grammatical.html