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Re: FilterProxy and DFSG

Edmund GRIMLEY EVANS [edmundo@rano.org] wrote:
> Bob McElrath <rsmcelrath@students.wisc.edu>:
> > > Is the author aware that the extra clauses also make his license
> > > incompatible with the GPL?  This means he can't use GPL code from
> > > other programs in FilterProxy.
> > 
> > Could you clarify this for me?  How is a usage restriction in violation
> > of the GPL?  How does this preclude me from including code from other
> > GPL projects?  Can you point me to the appropriate part of the GPL that
> > mentions this?
>     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.
> If the licence of FilterProxy forces you to have usage restrictions on
> such derived code, then code that is derived both from FilterProxy and
> from GPL code cannot be distributed at all.

If I'm reading this correctly, than this means derived works must be
licensed under the GPL.  It does not preclude the existance of
additional licenses.

I'm interpreting "licensed as a whole" to mean that the whole project
must be licensed under this license (not just pieces of the project).

I still don't understand the reasoning behind the original posters

Initially I thought my restriction was ok because of the second
paragraph, section 0: "Activities other than copying, distribution and
modification are not covered by this License".

More than one license in a project should be ok, right?  (as long as
they don't conflict)

-- Bob

Bob McElrath (rsmcelrath@students.wisc.edu) 
Univ. of Wisconsin at Madison, Department of Physics

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