[wp-hackers] A question about donation link

[Ken Newman]

On 1/15/2010 5:06 PM, Ken Newman wrote:
> Perhaps a Core Plugin with an API for a Colophon Page is in order? 
> This way plugin and theme authors could register credits and links and 
> have them displayed on a distinct page for that purpose. I would 
> certainly use it, and recommend it to clients.
Found it:  http://wordpress.org/extend/plugins/wp-pluginsused/

Would something like this satisfy the GPL required attribution?