[OSM-talk] Tagging hierarchies (was: RFC - lake)

[Karl Eichwalder]

> I'm not saying that "natural=water" should be deprecated. I'm just
> saying that if someone wants to introduce a tagging for lakes or other
> *special* kinds of water, then there is no technical requirement to tag
> everything that is tagged with the new lake tag (say, water=lake) as
> natural=water *also*, because the fact that "water=lake implies
> natural=water" could be stored externally.

No, that's the wrong approach.  Do not "break" existing software (in
this case renderers).  For the time being, you also must tag every
water area as "natural=water".