# nhc98 copyright

# nhc98 copyright information

The majority of the source code of the nhc98 Haskell compiler is copyright © Niklas Röjemo, 1991-1998. Many parts of the nhc98 compiler, libraries, and system were contributed or modified by Malcolm Wallace, Jan Sparud, David Wakeling, Colin Runciman, Phil Hassall, and Olaf Chitil, and are copyright to them, their respective institutions, or funding bodies, © 1996-2002.

The core of the hmake tool is copyright © Thomas Hallgren, 1991-1997. (Code is incorporated from the earlier tools hbcmake and nhcmake.) Many modifications to hmake are copyright © Malcolm Wallace, 1998-2001. Hmake interactive is copyright © Malcolm Wallace, 2000.

The hp2graph tool is copyright © David Wakeling and Niklas Röjemo, 1991-1996.

The HOOD Observe library and graphical browser are copyright © Andy Gill, 2000. The HOOD graphical browser incorporates open source Java components copyright © MicroStar Inc, 1999. (Please read their separate license.)

The Random library is copied direct from Hugs, which has a separate BSD-style license. The implementation of Random is copyright © Lennart Augustsson, with modifications by Sigbjorn Finne. Some parts of the implementation of the Time library were also contributed by Lennart.

The development of nhc98 (and its predecessor nhc13) has been supported by NUTEK (Sweden), Canon Research Europe Ltd., EPSRC (UK), and the Universities of Chalmers (Sweden) and York (UK).

### LICENCE

It is the intention that this software be "freely available" in the Gnu (`http://www.gnu.org/`) and Open Source (`http://www.opensource.org/`) traditions. The following is a brief statement of the rights and restrictions attached to this software distribution. It is a preliminary licence; we may modify the terms and conditions at a later date. Any successor to this licence may, when published, be applied to this software as an alternative to the current terms, if you wish.

If you are not sure about any of the terms of this licence, please contact us to discuss your requirements. (Primary contact: Malcolm.Wallace@cs.york.ac.uk)

You may use, re-distribute, and modify this software, but you must not alter or remove these copyright notices. You may add your own additional copyright notices for any modifications to this software that you distribute. (Any modifications must be provided - at least - in source form, must be described in the documentation, and you must clearly indicate that the software has been modified, for instance by changing the name of the executable or its version number, or by some other method.)

You must not restrict anyone else's rights to use, re-distribute or modify this software. Distributions of standard or modified versions of this software must retain this licence (or its successor).

In addition, you are explicitly granted the right to re-use parts of this software in the creation of new software, without having to place the new software under this or any other licence, provided that:

- the new software does not have the same name as this software, but
- you clearly acknowledge which code you have re-used from this software,
- you retain the relevant copyright notices, and
- you indicate to users where they can freely obtain a standard version of this software.

Programs, object files, and intermediate files produced as output by this software do not fall under this copyright statement and are not governed by the terms of this licence. You are free to use them (or restrict their use) as you like.

UNLESS OTHERWISE STATED IN WRITING, THIS SOFTWARE IS SUPPLIED "AS IS" AND WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. NEITHER THE AUTHORS, COPYRIGHT HOLDERS, NOR ANY OTHER PARTY WHO REDISTRIBUTES THIS SOFTWARE SHALL BE LIABLE FOR DAMAGES, HOWSOEVER CAUSED, ARISING OUT OF THE USE OF THIS SOFTWARE. USE AT YOUR OWN RISK.

The latest updates to these pages are available on the WWW from `http://www.cs.york.ac.uk/fp/nhc98/`

2002.06.12
York Functional Programming Group