> 2009/7/22 ÃQÃÄ/Medical-Wei <email@example.com
>> Hi all,
>> Recently, I received some messages about converting the wiki license
>> to CC-By-SA 3.0. However, are there any reason that we must do this?
> Most wikis now use CC-BY-SA, including most of the Linux wikis I've looked
> at. CC-BY-SA is the more standard license for written content. I think it's
> a good idea to change - but actually the Wikimedia dual-license model is
> even better:
> The dual-licensing option used by Wikimedia is probably the best option for
> a Linux wiki, where there is still some interest in GFDL. It's a little
> complex to explain - see
> In Wikimedia's case, this means that the end-user can choose either license,
> *except* where someone has added CC-BY-SA-only content to a page, which
> makes that page single licensed. It is the end-user's responsibility to
> In theory GFDL could be chosen instead, so GFDL content could be added, but
> CC-BY-SA content could not be. As I've said, though, CC-BY-SA is the more
> common license, so I'd suggest this as the default.
> So, my suggestion is to use the same variation of a dual-license as
> In case anyone is wondering, the operator of the wiki can make the decision
> to change license, until the end-of-July deadline. See
for this and any other
> If there's any uncertainty about this, with the deadline coming up for the
> license transition (end of July), then there is a solution to give more
> time: switch to a simple dual license. This means all content is licensed
> under both GFDL and the CC-BY-SA licenses - but we can't add material from
> other sources (if it's only under one of the licenses). Then when a decision
> has been made to go with a particular option, it can be switched.
> Let me know if anything is unclear.
>> About DFSG, documents licensed with GFDL without invariant sections
>> are DFSG-free.
>> p.s. Chris, We've met in Ecole Cafe :D
> I remember you - playing the African drum :-)
> Chris Watkins
> Appropedia.org - Sharing knowledge to build rich, sustainable lives.
> I like this: five.sentenc.es