Copyright Statement
© 1999,2004,2008,2013,2019 Mark John Suter
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with the Invariant Section being Mark Suter's Résumé, with no Front-Cover Texts, and with no Back-Cover Texts.