Mathias Schindler wrote:
Since it is CC-BY-SA, can we... ehm... "borrow" stuff from these articles?
No. CC-BY-SA and GFDL are currently not compatible.
There is some prospect that they will become compatible at some point in the future, but my understanding currently (we investigated for Wikimania) is that it would involve some changes to the GFDL that the FSF's lawyers are uncertain about, so I wouldn't hold out hope of this happening any time soon.
Cheers,
N.