Re: Non-free postscript code in EPS image
On Wed, Aug 01, 2012 at 08:03:43PM +0200, Mike Hommey wrote:
> On Wed, Aug 01, 2012 at 05:20:29PM +0000, Bart Martens wrote:
> > On Wed, Aug 01, 2012 at 08:40:00AM +0200, Mike Hommey wrote:
> > > On Wed, Aug 01, 2012 at 06:24:25AM +0000, Bart Martens wrote:
> > > > Every copyright notice means that there is at least a part copyrighted by the
> > > > mentioned copyright holder.
> > >
> > > Every?
> >
> > Yes.
> >
> > > Like this one, that can be found in /bin/true on some systems?
> > >
> > > -------8<------
> > > # Copyright (c) 1984 AT&T
> > > # All Rights Reserved
> > >
> > > # THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T
> > > # The copyright notice above does not evidence any
> > > # actual or intended publication of such source code.
> > >
> > > #ident "@(#)cmd/true.sh 50.1"
> > > -------8<------
> > >
> > > (and the file had *no* other content)
> >
> > The copyright notice "Copyright (c) 1984 AT&T" in that file means that AT&T is
> > copyright holder of at least part of that file.
>
> The presence of a copyright notice doesn't mean it is reflecting any
> reality,
In general, correct copyright notice should reflect reality.
> especially in generated files.
Generated files may contain copyrighted parts.
> In the above example, there
> isn't even anything to copyright besides the copyright notice itself.
Then you have found a copyright notice covering only the copyright notice
itself.
> If
> you redirect gdb output to a file, it will contain a copyright notice
> from the FSF. It doesn't mean the file is copyrighted by the FSF.
This is an example of a program writing its copyright information to standard
output.
>
> Quite similarly, it's not because you found copyright strings by
> grepping an EPS that some content in the EPS is actually under that
> copyright.
The EPS may contain copyrighted parts. As Michael Wild wrote "contains
postscript library code that is copyrighted by Adobe".
> And even if there is content under that copyright, as someone
> else said in the thread, it doesn't tell anything about the
> corresponding license.
I agree that a copyright notice does not say anything about the license.
Regards,
Bart Martens
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