Copyright (c) 1998 The Open Group

All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, and/or sell copies of the Software, and to permit persons
to whom the Software is furnished to do so, provided that the above
copyright notice(s) and this permission notice appear in all copies of
the Software and that both the above copyright notice(s) and this
permission notice appear in supporting documentation.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

Except as contained in this notice, the name of a copyright holder
shall not be used in advertising or otherwise to promote the sale, use
or other dealings in this Software without prior written authorization
of the copyright holder.

X Window System is a trademark of The Open Group.

Copyright 1988 by Evans & Sutherland Computer Corporation, 
Salt Lake City, Utah

                       All Rights Reserved                       
                                                                 
Permission to use, copy, modify, and distribute this software and
its documentation  for  any  purpose  and  without  fee is hereby
granted, provided that the above copyright notice appear  in  all
copies and that both  that  copyright  notice  and  this  permis-
sion  notice appear in supporting  documentation,  and  that  the
name  of Evans & Sutherland  not be used in advertising or publi-
city pertaining to distribution  of the software without  specif-
ic, written prior permission.                                    
                                                                 
EVANS  & SUTHERLAND  DISCLAIMS  ALL  WARRANTIES  WITH  REGARD  TO
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILI-
TY AND FITNESS, IN NO EVENT SHALL EVANS &  SUTHERLAND  BE  LIABLE
FOR  ANY  SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY  DAM-
AGES  WHATSOEVER RESULTING FROM  LOSS OF USE,  DATA  OR  PROFITS,
WHETHER   IN  AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
ACTION, ARISING OUT OF OR IN  CONNECTION  WITH  THE  USE  OR PER-
FORMANCE OF THIS SOFTWARE.                                       

