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<!-- %Y  Copyright 1997,  Lehrstuhl D für Mathematik,   RWTH Aachen, Germany -->
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Copyright &copyright; 1987-&RELEASEYEAR; by its authors, which are
listed at <URL>https://github.com/gap-system/gap/blob/master/COPYRIGHT</URL>,
except for files in the distribution, which have an explicit different
copyright statement. In particular, the copyright of packages distributed
with &GAP; is usually with the package authors or their institutions.
<P/>
&GAP; is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
<P/>
&GAP; 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.
<P/>
You should have received a copy of the GNU General Public License along with &GAP;, see
the file <F>LICENSE</F> in the root directory of the &GAP; distribution or see
<URL>https://www.gnu.org/licenses/gpl.html</URL>.
<P/>
If you publish a mathematical result that was partly obtained using
&GAP;, please cite &GAP;, just as you would cite another paper that you
used (see below for a sample citation).
<P/>
Specifically, please refer to
<P/>
<Listing>
[GAP] The GAP Group, GAP - Groups, Algorithms, and Programming,
      Version &VERSIONNUMBER;; &RELEASEYEAR; (https://www.gap-system.org)
</Listing>
<P/>
&GAP; for Windows is packaged with several packages from
<Package>Cygwin</Package> (<URL>https://cygwin.com</URL>).
Files from <Package>Cygwin</Package> are provided under their respective
licenses, which are included in the installation.
The &GAP; for Windows executables that we distribute are themselves released
under the terms of the GNU General Public License (GNU GPL);
either version 2 of the License, or (at your option) any later version.
<P/>
Please contact <Email>support@gap-system.org</Email> if you need further information.
