Xfce documentation licensing

[Yves-Alexis Perez]

On mar, 2009-08-18 at 12:19 +0200, Jasper Huijsmans wrote:
> I don't remember exactly why we (I?) chose GPLv2, but I think it may
> have been to simply have the same license as for the code and there
> being no compelling reason to choose anything else.

It's usually a good idea to have the same version on both so one can
re-use code snippets in the docs.

Cheers,
-- 
Yves-Alexis