Copyright (c) 1992, 1993 Bruno Haible and Michael Stoll
                           All Rights Reserved


Summary:

  Permission is granted to use, copy, modify this program,
  EXCEPT that the copyright notice must be reproduced on copies, and
  credit should be given to the authors where it is due.
  WE MAKE NO WARRANTY AND ACCEPT NO LIABILITY FOR THIS PROGRAM.


In detail:

  1. Permission to use, copy, modify this software and its documentation
     for any purpose is hereby granted without fee, provided that
     - the above copyright notice appear in all copies,
     - both that copyright notice and this permission notice appear in
       supporting documentation, and that
     - you cause modified files to carry prominent notices stating that
       you changed the files and the date of any change.

  2. Please notify us if you are going to sell this software or its
     documentation for profit.

  3. WE DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
     WE BE LIABLE FOR 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.


Additionally:

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License version 2 as
  published by the Free Software Foundation; see file GNU-GPL.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.


Authors:
  Generic CLISP: Bruno Haible, Michael Stoll
  Atari version: Bruno Haible, Michael Stoll
  Amiga version: Bruno Haible, Jörg Höhle
  DOS version:   Bruno Haible, Bernhard Degel, Jürgen Weber
  OS/2 version:  Bruno Haible
  Unix version:  Bruno Haible
  PCL:           Richard Harris, ported by Bruno Haible
  Maxima:        Bill Schelter, ported by Bruno Haible

Email addresses (September 1992):
  Bruno Haible     haible@ma2s2.mathematik.uni-karlsruhe.de
  Michael Stoll    michael@rhein.iam.uni-bonn.de
  Jörg Höhle       hoehle@inf-wiss.ivp.uni-konstanz.de
  Richard Harris   harrisr@cs.rpi.edu
  Bill Schelter    wfs@rascal.ics.utexas.edu