[OSM-legal-talk] What should be considered legal?

[Martin Koppenhoefer]

2009/10/21 rhn <opstmaac.rhn at porcupinefactory.org>:
> I'm a mapper for more than a year, and I know a little bit about intellectual property, but some questions have been puzzling me for quite some time.
>
> First of them - how much is allowed when referring to proprietary maps? Is it right to look at the street names to see whether I got them right? Or can I compare topology of the streets with the external map? See if I got the village placement right and adjust it?

IMHO (IANAL) you can always compare your map to others, but if the
don't match, you will not know, who's right, unless you recontroll.

cheers,
Martin