isetl license (was Re: isetl developments and updates)

[jim@mercury.laney.edu]

(from the docuentation, apparently extracted from the dos version of 
isetl, also note the apparent lack of interest past 1990... maybe
irrelevent, the interpreter works)

ISETL Copyright Information
---------------------------

Copyright 1987, 1988, 1989, 1990
Gary Levin

This manual and the accompanying software may be freely copied, subject to
the restriction that it not be sold for profit. (This would permit bulk
copying and sale at cost.)  The software is offered as-is, but we will
attempt to correct errors in our code.

Portions of the manual and and the accompanying software are derived from
the Interactive Line Editor which was released with the following copyright
restrictions.

Copyright 1988
Evans and Sutherland Computer Corporation
Salt Lake City, Utah
All rights reserved.

THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND SHOULD 
NOT BE CONSTRUED AS A COMMITMENT BY EVANS & SUTHERLAND.  EVANS & SUTHERLAND MAKE
NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE.
IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.

IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT
RIGHTS, APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK INADDITION
TO THAT SET FORTH ABOVE.

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 bothe the
copyright notice and this permission notice appear in supporting
documentation, and thet the name of Evans & Sutherland not be used in
advertising or publicly pertaining to distribution of the software without
specific, written prior permission.

Written by: Robert C. Pendleton,  Evans & Sutherland, Interactive Systems
Division, Salt Lake City, Utah.

Modified for ISETL bu Gary Levin.