On Thu, 2003-05-22 at 03:45, Ed Carp wrote:
> On Wed, 21 May 2003, Dave Page wrote:
>
> > - Previous versions of pgAdmin II will be retroactively relicenced under
> > the Artistic Licence AND the pgAdmin Public Licence.
>
> If by this you mean that existing versions of pgAdmin II already
> distributed will be relicensed, I'm not sure that action is lawful.
It's lawful --- the copyright holder(s) are just granting an additional
license to use it under.
> Generally speaking, unilaterally attempting to change an already
> distributed product to another license, regardless if that license is more
> or less restrictive, has little if any basis in either law or court cases.
The copyright holder can always grant you additional permissions (unless
there is an exclusive license somewhere, etc.)