[freeciv-data] Re: Re: Cevo2 -still copyrighted pics in the unit set-

On Wed, May 22, 2002 at 08:31:50AM +0200, Per I Mathisen wrote:
> 
> On Wed, 22 May 2002, Reinier Post wrote:
> > > I haven't looked at it, but I do _not_ agree that "different enough" is
> > > OK. If a copyrighted work by Microprose was used as the original, it is
> > > not OK, no matter how much extra pixels you add to it.
> >
> > Copyright law speaks of "derivative work" after all.
> > (Dutch copyright law does so in Dutch.  I'm sure all countries
> >  subscribed to the Berne convention use similar terms.)
> 
> IANAL but AFAIK the copyright holder has the sole right to make derivative
> works.

No, that's not right.  Copyright law does not obstruct the making of
anything, only the copying. The copyright holder must give his
permission for the copying of derivative works. 

What exactly a derivative work constitutes is anybody's guess.

Jules