On Sat, Jul 24, 2010 at 12:39 PM, John Smith <deltafoxtrot...@gmail.com>wrote:
> On 25 July 2010 02:33, Rob Myers <r...@robmyers.org> wrote: > > Presumably the same thing that prevents the copyright on a DVD you copy > > off a TV screen from evaporating when you burn it back to DVD. (I mention > > copyright as BY is a copyright licence.) > > I think his point is about ODBL and not extending to produced work, > what's to stop the work from being relicensed under the same license > as the produced work... I think Rob's assertion is that the ODbL *does* extend to the produced work. That the produced work is still ODbL, there's just an exception from the creator of the produced work to their requirement to provide the part of the data which is not derived from the ODbL data. But that would mean that mashing up CC-BY-SA data with ODbL data would violate CC-BY-SA.
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