[OSM-legal-talk] Copyprotection for OSM based material

[Rob Myers]

On 25/11/11 11:07, Nic Roets wrote:
> On Fri, Nov 25, 2011 at 12:56 PM, Richard Fairhurst
> <richard at systemed.net <mailto:richard at systemed.net>> wrote:
> 
>     3. CC-BY-SA indeed does not require that you publish the useful
>     source data.
>     (ODbL does.)
> 
> I honestly doubt that ODbL will achieve this. For example, if someone
> decides to use some convoluted tagging system without publishing a
> specification, his data will mean very little to the community.

If it's that complex it's part of the data... :-)

- Rob.