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The contents of the Befunge-93 distribution are distributed under the
following four licenses.

All documentation (in the `doc` subdirectory) is covered by the following
BSD-compatible license, modelled after the "Report on the Programming
Language Haskell 98" license:

-----------------------------------------------------------------------------

  Copyright (c)1993-2018 Chris Pressey, Cat's Eye Technologies.

  The authors intend this Report to belong to the entire Befunge
  community, and so we grant permission to copy and distribute it for
  any purpose, provided that it is reproduced in its entirety,
  including this Notice.  Modified versions of this Report may also be
  copied and distributed for any purpose, provided that the modified
  version is clearly presented as such, and that it does not claim to
  be a definition of the Befunge-93 Programming Language.

-----------------------------------------------------------------------------

The source code for the reference interpreter and supporting tools (in the
`src` subdirectory) is covered under the following BSD-style license:

-----------------------------------------------------------------------------

   Copyright (c)1993-2018, Chris Pressey, Cat's Eye Technologies.
   All rights reserved.
 
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

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

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

     Neither the names of the copyright holders nor the names of their
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission. 

   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 HOLDERS 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.

-----------------------------------------------------------------------------

The contributed Befunge-93 example sources (with some exceptions noted
below) are copyrighted works made by their respective authors.  They are not
open-source or in the public domain, but their contributors' willingness to
allow them to be included in this distribution implies that they are all
freely redistributable unmodified for non-commercial purposes.  They are thus
covered under the following license:

-----------------------------------------------------------------------------

The files identified as "freely redistributable unmodified for non-commercial
purposes" in this archive (hereinafter "the files") may be redistributed, but
only if the following conditions are met:

* The files must be distributed as part of the entire, original archive
  in which they reside;
* The files must not be modified in any way;
* The files must not be distributed for commercial gain, or otherwise used
  for commercial purposes.

The files are copyrighted works; the copyright for each file is held by its
original author.  Any use of the files beyond the conditions listed above
must be by explicit written permission of the original author of the file.

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.

-----------------------------------------------------------------------------

The exceptions to the above case are as follows.

All Befunge-93 example programs in this distribution written by the following
authors are placed under the CC0 1.0 Universal Public Domain Dedication:

*   Dmitri M Litvinov
*   Chris Pressey
*   Wim Rijnders
*   Andrew Turley

The legal text of CC0 1.0 Universal can be found at this URL:

    http://creativecommons.org/publicdomain/zero/1.0/

The summary is: these works are in the public domain.  You can copy, modify,
distribute and perform these works, even for commercial purposes, all without
asking permission.  The authors of these works make no warranties about the
works, and disclaim liability for all uses of the works, to the fullest extent
permitted by applicable law.

Please consult the file `README.markdown` in the `eg` subdirectory to see who
each program was written by.