Bug#631068: nyquist: Commercial use of xlisp not allowed

Mon Aug 1 19:42:26 UTC 2011

On Sat, Jul 23, 2011 at 01:05:51AM -0500, Steve M. Robbins wrote:

> On Sat, Jun 25, 2011 at 07:52:01PM +0200, Sam Geeraerts wrote:
> 
> > The file xlisp/xlbfun.c contains the following license notice:
> > 
> > /*      Copyright (c) 1985, by David Michael Betz
> >         All Rights Reserved
> >         Permission is granted for unrestricted non-commercial use       */
> > 
> > This clearly does not permit commercial use. In the worst interpretation
> > it also doesn't allow modification or distribution.
> > 
> > Nearly the same file is also used in Audacity, see bug 631068.
> 
> I've just checked and found the latest release of xlisp
> [ http://www.xlisp.org/ ] has a new license that is compatible the
> DFSG.  

After an email conversation with the authors of nyquist and xlisp, I
learned that the Mr. Betz had, in fact, relicensed xlisp under the
terms that appear in the second part of the copyright statement,
reproduced below.  Since this is compatible with DFSG, I'm closing
this bug for nyquist.

-Steve

--------------------------------------------------------------------------------
COPYRIGHT AND LICENSE INFORMATION FOR XLISP

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 notice, this list
of conditions and the following disclaimer. 

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.

Neither the name of David Michael Betz nor the names of any 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 HOLDER 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.

What follows is not a part of the license:

Please send bug fixes and improvements to me at the address below.

In addition, as a courtesy, I ask that you send me a copy of any product that
makes substantial use of XLISP. Please contact me at the address below for my
current mailing address. I am asking this because I enjoy learning about
applications of my software.

David Betz

dbetz at xlisper.mv.com

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