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Re: [Bug-gnubg] eXtreme Gammon

From: Christian Anthon
Subject: Re: [Bug-gnubg] eXtreme Gammon
Date: Wed, 27 May 2009 20:11:35 +0200

This sounds like something we have to look in to sooner rather than later.

The GPL doesn't disallow making a commercial product as such but

a) the new code will be GPL'ed by default
b) you have to deliver the source code with the program or in more or less the same way, and it has to be complete except for stuff not covered by the license (pictures, logos etc).
c) the person you sold the program to is allowed to redistribute it and the source code to others within the GPL

So for example redhat can pack and sell a bunch of GPL'ed programs but others will be able to redistribute the individual programs.

The only way that Extreme Gammon would be able to get around the GPL is by explicit permission by the copyright holders (Gary Wong).

I'll take contact to the developer and try to learn more about what is going on. To that end can somebody provide me with

a) contact info for the developer of Extreme Backgammon, Phil Simborg, and Gary Wong
b) a link to the 0.00 version of gnu backgammon since it predates the CVS.


On Wed, May 27, 2009 at 7:50 PM, Michael Petch <address@hidden> wrote:

Not all all. The GPL doesn’t prohibit making  a product commercial.  I personally would only care about the changes to the original Neural Network that the site discusses. If they did take the original NN, the changes they made should be made available.

On 27/05/09 11:44 AM, "Stick" <address@hidden> wrote:

He plans on selling it commercially if that's what everyone is wondering.

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