There are good FAQs on www.gnu.org regarding the GPL and if I remember
right, they address this issue. This may be off-topic to the list, so I
don't want to get in-depth, but to make one thing clear: if they have 
written all the code themselves and have not incorporated third-party 
gpl code they can always change the license for future versions. The 
mentioned clause of the GPL does in fact not contradict this, and even 
if it did, the clause would be void (or non-effective) in almost all 
countries with a modern copyright law. There are quite some companies 
that license their GPL-code under different licenses, too.
-Jost.

Thomas Nichols wrote:
> 
> At 23:53 27/09/2001 -0700, Avi Cherry wrote:
> >>Yes, the site says so. But this is interesting! Once GPLed code cannot be
> >>made non-GPL later on even by the original author.
> >
> >Depends how you look at it.  They can't prevent earlier versions from
> >being re-distributed according to the GPL, but they can re-licence the
> >code any way they want for newer versions, preventing IT from being
> >redistributed.  The original author still owns the code, and can licence
> >it any way they want, as many different ways as they want.
> 
> Hmmm, I'm not sure it _does_ depend how you look at it. From the GPL
> included (file "COPYING") with the MindTerm v1.0 code, section 2:
> 
> b) You must cause any work that you distribute or publish, that in
>      whole or in part contains or is derived from the Program or any
>      part thereof, to be licensed as a whole at no charge to all third
>      parties under the terms of this License.
> 
> So unless MindTerm v2 is a complete rewrite (which it may be), they'll be
> in breach of the GPL. Which is probably not a good idea.
> 
>          - Thomas.
> 
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-- 
_____________________________________________________________________

Jost Schenck            DSS Gesellschaft fuer Digitale Sicherheit mbH
phone +49 228 55991-0 (fax-44)        http://www.digital-security.com


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