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cc-licenses - [cc-licenses] Compatibility: no external list, please, explicit conversion clauses instead!

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Subject: Development of Creative Commons licenses

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  • From: Francesco Poli <invernomuto AT>
  • To: cc-licenses <cc-licenses AT>
  • Subject: [cc-licenses] Compatibility: no external list, please, explicit conversion clauses instead!
  • Date: Sun, 15 Sep 2013 18:39:44 +0200

Section 1(c) of CC-by-nc-sa-v4.0draft4 states:

> c. BY-NC-SA Compatible License means a license listed at http://
> and approved by Creative
> Commons as essentially the equivalent of this Public License.

I understand that this clause is currently planned for
CC-by-nc-sa-v4.0 and CC-by-sa-v4.0 ...

As I have previously explained for draft3 [1], I think that this
mechanism based on an external list of Compatible Licenses should not
be implemented: the list can change in time, after a given work
has been licensed and released; this creates uncertainty for potential
licensors about *which* other licenses will be declared compatible
*after* they released their works.


I reiterate the recommendation to instead introduce an explicit
one-way conversion clause that allows redistribution of
CC-by-sa-v4.0-licensed works under the terms of the GNU GPL
version 2 or 3 (or, maybe, "version 2 or later" for simplicity's
sake) and redistribution of CC-by-v4.0-licensed works under the
terms of the zlib license [2].


I really hope this feature may be implemented, as I believe it is
of paramount importance!

New GnuPG key, see the transition document!
..................................................... Francesco Poli .
GnuPG key fpr == CA01 1147 9CD2 EFDF FB82 3925 3E1C 27E1 1F69 BFFE

Attachment: pgpgJwnO6_G2O.pgp
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