[Talk-ca] Federal licence : Confusion

[Stewart C. Russell]

Hi John -
> However my understanding is this was given before the OSM license
> change and before the OSM requirement that anything uploaded may have
> its license changed by OSM in the future which is contained in the new
> contributor's terms for uploading.

Does that matter, though? You're referring to an agreement made in the
past. CanVec data are now provided under the OGL-CA licence, which has a
very similar attribution clause to the OGL-UK licence (please compare
'em if you're not sure). The OGL licence (imperfect as it is) has been
deemed to be compatible with OSM's licence.

> Much of the data is tagged with CANVEC import etc viewable in JOSM but
> in the Ottawa area in particular many of this attr / source tags have
> been removed.

The tags don't matter; attribution is in the *© OpenStreetMap
Contributors* link. Aren't we supposed to remove the NRCan tags if we
modify data on the ground, or add in our own additional data?

cheers,
 Stewart

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