LICENSE

The BREXX distribution (ftp://ftp.gwdg.de/pub/languages/rexx/brexx/brexx/README)
has the following notices by Vasilis N. Vlachoudis (Vasilis.Vlachoudis@cern.ch).

How much does it cost

This is a FREEWARE program, as long as it is used for NON COMMERCIAL
purpose. But any generous contribution is well accepted :) to help
keeping this project alive. It is still FREEWARE if it is included
as a part (macro language) for another FREEWARE product.

For commercial use the registration fee is $50 (for version 2.0
and above). Furthermore, if you want to include it as a macro
language in one of your shareware/commercial program you have to
contact the author Vasilis.Vlachoudis@cern.ch. For more
informations please contact me by e-mail on one of the above addresses.

DISCLAIMER

THE SOFTWARE  REFERENCED  IS MADE  AVAILABLE AS - IS. THE AUTHOR
MAKES NO WARRANTY ABOUT THE  SOFTWARE AND ITS CONFORMITY TO ANY
APPLICATION. THE AUTHOR IS NOT RESPONSIBLE FOR ANY DAMAGE, LOSS OF
DATA, OR LOSS OF MONEY CAUSED BY THIS PROGRAM.

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With respect to this port / repository, any additions and changes are 
free and unencumbered software released into the public domain.

Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.

In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit
of the public at large and to the detriment of our heirs and
successors. We intend this dedication to be an overt act of
relinquishment in perpetuity of all present and future rights to this
software under copyright law.

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 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.

For more information, please refer to <https://unlicense.org>