Bug#802021: audacity: non-free files

[Herbert Fortes]

Hi,

On Wed, 7 Sep 2016 22:08:59 +0100 James Cowgill wrote:
> Hi,
>
> On 07/09/16 20:26, Herbert Fortes wrote:
> >>
> >> Files in "lib-src/libnyquist/nyquist/xlisp" have the following in the
> > header:
> >>
> >> Copyright (c) 1985, by David Michael Betz
> >> All Rights Reserved
> >> Permission is granted for unrestricted non-commercial use
> >>
> >
> > I tried to send an email to David Michael Betz
> > but the email returns. I tried to email address:
>
> There seems to be a more recent version of xlisp on this site:
> http://www.xlisp.org/
>
> It has another email address (which I've CCed). Hopefully it works!
>
> Maybe part of the solution to this bug is to update audacity's copy of
> xlisp to this new version which seems to be under the BSD 3-clause
license?
>
> (of course there are some other non-free files to look at as well)
>

The license seems to be same that is in collab-maint[0]. The
problem is some files[1] has:

|

ermission is granted for unrestricted non-commercial use

|


[0] -
https://anonscm.debian.org/cgit/pkg-multimedia/audacity.git/tree/lib-src/libnyquist/nyquist/license.txt

[1] -
https://anonscm.debian.org/cgit/pkg-multimedia/audacity.git/tree/lib-src/libnyquist/nyquist/xlisp/xlisp.c

I am a little bit confuse about SGML:

 xhtml-symbol.ent
 xhtml-special.ent
 xhtml.lat1.ent

Thera are open source alternatives, as said
here[2]:
   


    Open-source implementations

Significant open-source
<https://en.wikipedia.org/wiki/Open_source_software> implementations of
SGML have included:

  * ASP-SGML <http://ftp.sunet.se/pub/text-processing/sgml/ASP-SGML/>
  * ARC-SGML <http://ftp.sunet.se/pub/text-processing/sgml/ARC-SGML/>,
    by Standard Generalized Markup Language Users', 1991, C language
  * SGMLS <http://ftp.sunet.se/pub/text-processing/sgml/SGMLS/>, by
    James Clark, 1993, C language
  * Project YAO <http://ftp.sunet.se/pub/text-processing/sgml/YAO/>, by
    Yuan-ze Institute of Technology, Taiwan, with Charles Goldfarb,
    1994, object
  * SP <http://www.jclark.com/sp/index.htm> by James Clark, C++ language


[2] - https://en.wikipedia.org/wiki/SGML


Regards,
Herbert
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