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cc-licenses - Re: [cc-licenses] ShareAlike and version compatibility

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Subject: Development of Creative Commons licenses

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  • From: Terry Hancock <hancock AT anansispaceworks.com>
  • To: Discussion on the Creative Commons license drafts <cc-licenses AT lists.ibiblio.org>
  • Subject: Re: [cc-licenses] ShareAlike and version compatibility
  • Date: Thu, 13 Apr 2006 15:46:07 +0000

Evan Prodromou wrote:

This is something of a wishful thinking question.

Within the text of the CCPL, there are several references to "this
License":

...

I wonder: would it be at all reasonable to consider "this License" to
be, say, the Attribution-ShareAlike license in any of its versions? That
is, when the license text says "this license", it'd mean an object that
has gone through several revisions over the last few years?

I ask because this interpretation would make the different versions of
ShareAlike licenses with the same license elements mutually compatible.
You could distribute a by-sa 1.0 work under the terms of the 2.5
license, or vice versa. That'd be a help for projects where license
upgrades are uncomfortable (for example, wikis).

So the problem is that the CC-By-SA-1.0 does not have the
license upgrade clause?

Sounds like you'll need to either scrub the 1.0 content out
of the wiki or get original sources to upgrade the license.

Alternatively, you could use a blanket license statement for
the site which says that content is under the By-SA 2.5 "unless
otherwise noted", and then put "By-SA 1.0" notices on the
affected pages.

--
Terry Hancock (hancock AT AnansiSpaceworks.com)
Anansi Spaceworks http://www.AnansiSpaceworks.com






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