Bug#590734: simutrans: Non-free license terms

[Jordi Gutiérrez Hermoso]

2010/7/29 Ansgar Burchardt <ansgar at 43-1.org>:
> Hi,
>
> Jordi Gutiérrez Hermoso <jordigh at gmail.com> writes:
>
>> Simutrans has a non-free license. In the source tree,
>> simutrans/copyright.txt forbids modification and commercial use of
>> Simutrans, despite claiming to otherwise be under the artistic license.
>
> It does say that selling and modification is forbidden without written
> permission by the author, but says that the source code is available
> under the Artistic License later.  I would think that counts as written
> permission?

The wording does not make it clear if the non-free clauses are meant
as additional restrictions trumping the Artistic License or if the
Artistic License is meant as an additional freedom trumping the
non-free clauses.

Best to request clarification from upstream. It probably is just an
oversight as noted before.