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Re: New CUPS license violates DFSG 6?

On 14-May-2002 Santiago Vila wrote:
>>      Software that is developed by any person or entity for an Apple
>>      Operating System ("Apple OS-Developed Software"), including but not
>>      limited to Apple and third party printer drivers, filters, and
>>      backends for an Apple Operating System, that is linked to the CUPS
>>      imaging library or based on any sample filters or backends provided
>>      with CUPS shall not be considered to be a derivative work or
>>      collective work based on the CUPS program and is exempt from the
>>      mandatory source code release clauses of the GNU GPL.
> I agree that a license may exempt certain parties from some requirements,
> but not to the point of saying something which clearly is a derivative
> work is not (so I would say the wording should be improved here).
> In either case, GPL says:
>   7. If, [] conditions are imposed on you [] that contradict the
> conditions of this License, they do not excuse you from the conditions
> of this License.  If you cannot distribute so as to satisfy
> simultaneously your obligations under this License and any other
> pertinent obligations, then as a consequence you may not distribute
> the Program at all. [...]
> This means if we mix CUPS code under the new GPL+exception license and
> ordinary GPL code, the result may only be distributed under the
> unmodified GPL or not distributed at all, which means you can't send
> CUPS maintainers a GPLed patch anymore...

Indeed.  The CUPS people really need to dual license CUPS if they
want to give Apple this exception.

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