Copyright (c) 1995-2004 Functional Objects, Inc.

Portions copyright (c) 2004-2023 Dylan Hackers.

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, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

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. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Portions of this software are derived from the Gwydion Dylan
project at Carnegie Mellon University:

    Copyright (c) 1994  Carnegie Mellon University
    All rights reserved.

    Use and copying of this software and preparation of derivative
    works based on this software are permitted, including commercial
    use, provided that the following conditions are observed:

    1. This copyright notice must be retained in full on any copies
       and on appropriate parts of any derivative works.
    2. Documentation (paper or online) accompanying any system that
       incorporates this software, or any part of it, must acknowledge
       the contribution of the Gwydion Project at Carnegie Mellon
       University.

    This software is made available "as is".  Neither the authors nor
    Carnegie Mellon University make any warranty about the software,
    its performance, or its conformity to any specification.

    Bug reports, questions, comments, and suggestions should be sent by
    E-mail to the Internet address "gwydion-bugs@cs.cmu.edu".

A copy of this license may be obtained here:
https://raw.github.com/dylan-lang/opendylan/master/License.txt


Memory Pool System Kit Open Source License
==========================================

This is the license under which the Memory Pool System Kit is made
available by Ravenbrook Limited. This license is generally known as
the `BSD 2-clause license`_.  It is `GPL compatible`_ and
`OSI approved`_.

For avoidance of doubt, this license supersedes any older licenses
that may appear in other files that are part of this distribution
and in any of its branches.

Prior to 2020, the MPS was "multi-licensed" under the `Sleepycat
License`_ and also by other specifically arranged license agreements.

.. _Sleepycat License: https://en.wikipedia.org/wiki/Sleepycat_License
.. _GPL compatible: https://www.gnu.org/licenses/license-list.html
.. _OSI approved: https://opensource.org/licenses/sleepycat
.. _BSD 2-clause license: https://opensource.org/licenses/BSD-2-Clause

License
-------

Copyright © 2001-2020 `Ravenbrook Limited <https://www.ravenbrook.com/>`_.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.