[PD] Expr objects are GPL or LGPL?

Shahrokh Yadegari sdy at ucsd.edu
Tue Oct 1 04:54:29 CEST 2019

Hi All,

Please forgive my late reply. I usually read the list digest and I had been
away for a while thus I missed this thread. Miller is right. Expr has been
under BSD license since it became part of the pd sources. I just fixed the
error on my website.


On Thu, Sep 26, 2019 at 5:01 PM <pd-list-request at lists.iem.at> wrote:

> Message: 1
> Date: Thu, 26 Sep 2019 16:24:54 +0200
> From: Dan Wilcox <danomatika at gmail.com>
> To: Nicolas Danet <nicolas.danet at free.fr>
> Cc: Pd-List <pd-list at lists.iem.at>
> Subject: Re: [PD] Expr objects are GPL or LGPL?
> Message-ID: <CB3C01E3-8ACC-4456-8BC0-A5B47AE774D5 at gmail.com>
> Content-Type: text/plain; charset="utf-8"
> To reiterate: the expr object sources are now part of Pd's core src folder
> and named x_expr* with explicit permission of the original author. As far
> as I can tell, they now assume the same BSD license as that of Pd:
> https://github.com/pure-data/pure-data/commit/82a5e455f859071698788c04df5d15c5b126c08a#diff-2515c59f4e79df785fc90cec7338c903
> <
> https://github.com/pure-data/pure-data/commit/82a5e455f859071698788c04df5d15c5b126c08a#diff-2515c59f4e79df785fc90cec7338c903
> >
> To be fair, the source file heard info was not changed until later and we
> are obviously still catching up with changing mentions of licensing in
> other places. Better would be to contact the authors of there
> aforementioned websites and ask them to update the license info. Then this
> whole email chain can be avoided the second time around.
> > On Sep 26, 2019, at 12:00 PM, pd-list-request at lists.iem.at wrote:
> >
> > From: Alexandre Torres Porres <porres at gmail.com <mailto:porres at gmail.com
> >>
> > To: Nicolas Danet <nicolas.danet at free.fr <mailto:nicolas.danet at free.fr>>
> > Cc: Pd-List <pd-list at mail.iem.at <mailto:pd-list at mail.iem.at>>
> > Subject: Re: [PD] Expr objects are GPL or LGPL?
> > Message-ID:
> >       <CAEAsFmjj_oupgcTJ9aV3Qop6v5FQiGQKm7rmP+K84C+b=
> KCcsg at mail.gmail.com <mailto:CAEAsFmjj_oupgcTJ9aV3Qop6v5FQiGQKm7rmP+K84C+b
> =KCcsg at mail.gmail.com>>
> > Content-Type: text/plain; charset="utf-8"
> >
> > well, miller now says it's not
> >
> > and I actually also thought so, but then the note says differently
> >
> > one way or another, we need to fix this and make it clearer in the pd
> > documentation

Shahrokh Yadegari
Professor, Music Department
University of California, San Diego
Director, Sonic Arts R&D and IDEAS
Qualcomm Institute
Email: sdy at ucsd.edu
Web: http://yadegari.org
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