
Copyright (c) 1990-2000 by Sergei Egorov.
All rights reserved.

Use of this software for non-commercial purposes is permitted provided
that such use is acknowledged both in the software itself and in
accompanying documentation.

This software is based on XScheme which is Copyright (c) 1991, by 
David Michael Betz, all rights reserved. Mr. Betz grants permission 
for unrestricted non-commercial use. 

Portions of the code belong to or benefit from ideas due to 
R. Kent Dybvig, Alexander Osipenko, Andrew Pochinsky, and others.  
These are indicated in the relevant source files.

The code for portable implementation of syntax-case is accompanied
by the following copyright notice:

Copyright (c) 1992-1997 Cadence Research Systems
Permission to copy this software, in whole or in part, to use this
software for any lawful purpose, and to redistribute this software
is granted subject to the restriction that all copies made of this
software must include this copyright notice in full.  This software
is provided AS IS, with NO WARRANTY, EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY
OR FITNESS FOR ANY PARTICULAR PURPOSE.  IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OF ANY
NATURE WHATSOEVER.

The r5rstest.ss file is distributed under the terms of the GNU General 
Public License.

