Thank you for your quick response!
Can you clarify whether you can you put a copy of a work in the public
domain while maintaining a license on another copy? Or is it the work
itself that is placed in the public domain, and any ability to enforce
copyright on any copies has been surrendered? My understanding was that
works are placed in the public domain while copies are licensed, and
that placing a work in the public domain renounces any copyright claim
you might have on any copies regardless of what license they may have
been previously released under. You seem to be saying that a particular
copy of a work can be placed in the public domain while other copies
remain under copyright restrictions?
With regard to bundled exports, it would help me to look at a concrete
case. Say we have an export from MakeHuman that consists of three files
1) A 3D mesh that was created starting with a 3D mesh that comes with
MakeHuman and transformed by the user using MakeHuman.
2) A meta-data file containing information about the character and its
appearance created by the user using MakeHuman
3) A texture in the form of an image file from the MakeHuman collection
of texture images.
Let's say the user chooses to take the CC0 option. What is the
copyright status of the three files? Are all three files now in the
public domain? Can the user, or a third party use the individual files
without being restricted by the AGPL license that would apply if the CC0
option hadn't been taken? Or is it only the particular combination of
the three that is in the public domain while the individual files are
still under copyright? If it is only the combination that is in the
public domain, does it revert to AGPL if you make any modifications?
Thanks again.
On 2017-10-25 11:04 AM, John Cowan wrote:
On Wed, Oct 25, 2017 at 9:30 AM, Lindsay Patten
<blindsaypat...@gmail.com <mailto:blindsaypat...@gmail.com>> wrote:.
My understanding of CC0 is that it is a declaration that you have
placed the work in the public domain, with a fallback license in
case the law in a particular jurisdiction doesn't permit that. If
the user takes the CC0 option, what is the status of the
individual assets that are bundled into the export? Are they in
the public domain or still copyrighted by the MakeHuman authors?
Those particular copies are effectively in the public domain, provided
that the MakeHuman folks actually hold copyright. Third party
copyrights are of course unaffected.
What I find confusing is whether CC0 is a license that can be
applied to a particular copy of a work,
Every license is applicable only to particular copies. The self-same
bunch of bits may have a commercial license for one copy that permits
certain acts and forbids others, and a GPL license on another copy
which has completely different conditions from the commercial
license. As long as the licensor is the owner, that's just fine.
SImilarly, bits inside an executable that have been compiled from a
BSD source are (at least arguably) under the GPL if other bits in the
same executable come from GPLed source.
--
John Cowan http://vrici.lojban.org/~cowan
<http://vrici.lojban.org/%7Ecowan> co...@ccil.org <mailto:co...@ccil.org>
The whole of Gaul is quartered into three halves.
--Julius Caesar
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