Bug#771126: libav/tests/lena.pnm: also not mentioned in debian/copyright

[Reinhard Tartler]

On Thu, Nov 27, 2014 at 1:08 PM, Jonas Smedegaard <dr at jones.dk> wrote:
> Hi Reinhard,
>
> Quoting Reinhard Tartler (2014-11-27 18:35:05)
>> In order to address this, I've proposed to replace lena.pnm with a new
>> image, taken by me, at https://github.com/libav/libav/pull/17
>
> Fun idea :-)
>
>
>> I don't really care about the licensing. Is the declaration in the
>> commit message OK? How to declare that in debian/copyright?
>
> I might get away with such custom set of licensing terms, but to ease
> processing (if not by lawyers in a later dispute then at least by fellow
> distro maintainers wanting to categorize, identify, verify etc.) it is
> recommended that you instead pick a common license.  Preferrably one of
> those tracked by SPDX as listed at
> <https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/#license-specification>.
>
> Seems what you want is as liberal and as briefly expressed license as
> possible.  A popular common license of that kind is "Expat".  ideally
> you refer to that license by its canonical URL
> <http://www.jclark.com/xml/copying.txt> but since you seem to seek as
> brief as possible expression, you could simply state e.g. "Licensed
> under the Expat license."
>
> I am not a lawyer, just interested in licensing and pay attention to
> licensing patterns commonly expressed by upstreams of Debian and
> approved in Debian.  YMMV.

Sure, if you believe that the expat license is appropriate, I'd
license it that way.

Thanks for the feedback.

Reinhard