NOTICE:  This source code distribution contains source code containedin the book "Programming OpenGL for the X Window System" (ISBN:0-201-48359-9) published by Addison-Wesley.  The programs andassociated files contained in the distribution were developed by MarkJ. Kilgard and are Copyright 1994, 1995, 1996 by Mark J.  Kilgard(unless otherwise noted).  The programs are not in the public domain,but they are freely distributable without licensing fees.  Theseprograms are provided without guarantee or warranty expressed orimplied.