Copyright (C)2002 Deepak P, Sandeep S.
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 no Back-Cover Texts.
A copy of the license is included in Appendix A entitled "GNU
Free Documentation License".