Yes, you remember correctly (http://en.wikipedia.org/wiki/Copyleft http://en.wikipedia.org/wiki/Copyleft) but GNU would have an issue with the term "IP". :) I

Yes, you remember correctly (http://en.wikipedia.org/wiki/Copyleft http://en.wikipedia.org/wiki/Copyleft) but GNU would have an issue with the term "IP". :) I don't have a link but my impression is that part of the need for the GPL to exist in the first place is due to restrictions of copyright and the GPL uses copyright to enforce itself as a way of reacting against the system which it would rather not exist.