[themes] Tango iconset: Default for drupal, is NOT GPL.

[grohk]

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Adrian Rossouw wrote:
> if we treated images as source, we would be forced to distribute the psd
> files used
> to create them too, otherwise we are essentially distributing compiled
> images.
> 
> personally i don't think the gpl reaches to images, otherwise any image
> used by any
> gpl program would have to be gpl'd too. That means even your logo that
> you upload
> to your site becomes gpl.

Isn't psd a proprietary Adobe file format?  I only use Free Software
like Gimp to create my icons.  ;)

Also, I think the attribution clause of the CC license for these icons
is somewhat like the old "obnoxious BSD advertising clause", but less
obnoxious.  Still, I don't want to download a theme from drupal.org and
be required to keep a attribution clause in my footer if I like an icon
from the set.

Regardless, the real issue here is that files in the CVS archive need to
be released under the GPL.  Dries has already said as much several
times.  Having php files under the GPL, but stipulating that images,etc.
are covered under a CC (which one?) will only create confusion.

[1] http://www.gnu.org/philosophy/bsd.html
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