On Mon, 23 Jan 2012 01:49:57 -0500 Clark C. Evans wrote:
> On Mon, Jan 23, 2012, at 12:08 AM, Francesco Poli wrote:
[...]
> > I am not sure I understand which is the category of allowed
> > non-permissive additional terms this one is intended to belong
> > to. Section 7 of the GNU (Affero)GPL v3 lists 6 categories (a
> > through f) of non-permissive additional terms that may supplement
> > of the terms written in the text of the license.
>
> I was intending for it to be subject to 7b, in particular,
>
> Requiring ... author attributions ... in the Appropriate
> Legal Notices displayed by works containing it
I am not sure your addition non-permissive term really follows what is
allowed by clause 7b...
Clause 7b of the GNU GPL v3 states that
[...]
| for material you
| add to a covered work, you may (if authorized by the copyright holders of
| that material) supplement the terms of this License with terms:
[...]
| b) Requiring preservation of specified reasonable legal notices or
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| author attributions in that material or in the Appropriate Legal
^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^
| Notices displayed by works containing it;
^^^^^^^
Please note the word "preservation".
I understand clause 7b as allowing to insert reasonable author
attributions in the Appropriate Legal Notices (from now on: ALN) of a
Program and adding a requirement to *preserve* such attributions in
works based on the Program, whenever those works have interactive user
interfaces.
In other words:
(A) *if* the original Program is interactive, displays ALN,
and includes reasonable author attributions in the ALN, *then* it is
possible to add a requirement to *preserve* those attributions in the
ALN of any interactive work based on the Program
(B) *if* the original Program is interactive, but does not display ALN
or displays ALN not including attributions, *then* it is not possible
to add a requirement to *add* attributions in the ALN of interactive
works based on the Program
(C) *if* the original Program is non-interactive, *then* an
interactive work based on the Program has to display ALN (see clause
5d), but it seems that it is not possible to add a requirement to *add*
attributions in the newly created ALN
At least, this is how I interpreted the GNU GPL v3, when I analyzed it:
http://lists.debian.org/debian-legal/2007/06/msg00267.html
Please note that clauses 5d and 7b are some of the parts of the GNU GPL
v3 I most *dislike*... :-/
It seems to me that your additional term wants to implement a different
mechanism, especially regarding cases (B) and (C)...
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..................................................... Francesco Poli .
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