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List:       kde-licensing
Subject:    Re: Oxygen font licensing
From:       Arne Babenhauserheide <arne_bab () web ! de>
Date:       2012-01-27 7:56:35
Message-ID: 87boppinnw.wl%arne_bab () web ! de
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At Thu, 26 Jan 2012 14:37:54 -0800,
Dave Crossland wrote:
> On 26 January 2012 14:19, Arne Babenhauserheide <arne_bab@web.de> wrote:
> > At Wed, 25 Jan 2012 08:47:08 -0800, Dave Crossland wrote:
> > > On 25 January 2012 08:16, Dave Crossland <dave@lab6.com> wrote:
> > > > Arne Babenhauserheide <arne_bab@web.de> wrote:
> > > > > 
> > > > > The problem is that the OFL might not extend to the GPL text,
> > > > > but the GPL text could well extend to the font. Which in my opinion
> > > > > also is how it should be: If there were an unfree font in a PDF, I
> > > > > might not be able to distribute changed versions of the text in
> > > > > the same format, because I would not be allowed to redistribute
> > > > > the font.
> > > 
> > > If true, it would also be true of images/graphics that are also
> > > embedded in PDFs with GPL texts. How are non-free images used with GPL
> > > texts handled?
> > 
> > In my case: Not at all.
> 
> Fair enough :-)
> 
> However, Richard wrote:
> 
> On 25/01/12 15:00, Richard Stallman wrote:
> > It seems reasonable to argue that the text and the font are two
> > separate works even if packaged into a PDF file.  A text and a font
> > seem separate by nature -- not like two program modules that are
> > combined into one program.
> 
> GPLv3 says Corresponding Source "does not include the work's System
> Libraries, or general-purpose tools or **generally available free
> programs which are used unmodified** in performing those activities
> but which are not part of the work" This seems absolutely explicit
> that when an unmodified OFL font is distributed with a GPLv3 program,
> it is okay.

Unmodified is the keyword here. That is not the case, which is why we distribute all \
used fonts in our source repos.

> it seems to me that even proprietary fonts are not subject to the GPL
> copyleft.

(see previous mail about exchanging fonts)

Best wishes,
Arne
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