[wp-hackers] Copyright violations by plugin in the WordPress plugin directory.

[Austin Matzko]

On Fri, Jun 27, 2008 at 4:20 PM, Joost de Valk <joost at joostdevalk.nl> wrote:
> The "Platinum SEO Pack" plugin [1] has copied large portions of the code in
> my robots meta plugin [2] without proper attribution, and without notifying
> me. That's a direct violation of the GPL,

Which sections of the GPL forbid 1) copying without attribution and 2)
not notifying the original developer?