Re: License question: GPL+Exception
"Anthony W. Youngman" <firstname.lastname@example.org> writes:
> In message <20070513100959.11875F7225@nail.towers.org.uk>, MJ Ray
> <email@example.com> writes
> >Adding any restrictions to plain GPL results in an invalid licence
> >as in http://lists.debian.org/debian-legal/2006/05/msg00303.html
> I think you're wrong here ... (certainly if the entire grant is by a
> single entity)
By "invalid", I take MJ Ray's meaning as "not a usable license for
recipients of the work".
> Thing is, the licence, as granted by the !copyright holder! is not
> "GPL", but "GPL plus restrictions". The result can't be invalid,
> because it is granted by the copyright holder, and is clear as to
> what is granted.
The result can be a license with contraditory terms, as in this case
(GPL requires no additional restrictions; yet additional restrictions
are required). Since the terms are contradictory, the recipient cannot
simultaneously satisfy all the terms of the license; thus the
recipient has no valid license in the work.
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