The original Red Book examples carry the following copyright and
permission notices:

Copyright (c) 1993-1997, Silicon Graphics, Inc.
ALL RIGHTS RESERVED 

Permission to use, copy, modify, and distribute this software for any
purpose and without fee is hereby granted, provided that the above
copyright notice appear in all copies and that both the copyright
notice and this permission notice appear in supporting documentation,
and that the name of Silicon Graphics, Inc. not be used in advertising
or publicity pertaining to distribution of the software without
specific, written prior permission.

THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" AND
WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, INCLUDING
WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON GRAPHICS, INC.  BE
LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL,
INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
WHATSOEVER, INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE,
SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR NOT
SILICON GRAPHICS, INC.  HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR
IN CONNECTION WITH THE POSSESSION, USE OR PERFORMANCE OF THIS
SOFTWARE.

US Government Users Restricted Rights

Use, duplication, or disclosure by the Government is subject to
restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
(c)(1)(ii) of the Rights in Technical Data and Computer Software
clause at DFARS 252.227-7013 and/or in similar or successor clauses in
the FAR or the DOD or NASA FAR Supplement.  Unpublished-- rights
reserved under the copyright laws of the United States.
Contractor/manufacturer is Silicon Graphics, Inc., 2011 N.  Shoreline
Blvd., Mountain View, CA 94039-7311.  OpenGL(R) is a registered
trademark of Silicon Graphics, Inc.