[Tagging] Interpreting "One feature, one OSM-object"

[Andrew Harvey]

On Wed, Sep 22, 2010 at 9:29 PM, John Smith <deltafoxtrot256 at gmail.com> wrote:
> Boundaries aren't a physical object, and they're not properly dealt
> with most of the time in any case.
>
> Waterways is one of the few things, especially where no hi-res imagery
> is available, I actually think they can be shared. Take for example
> the Murray RIver, the south bank is the border, it's also the south
> bank of the river, is there really much more in splitting them since
> when one moves they both do.

They may need to be split later anyway if the river moves (say from
erosion), but the administrative boundary doesn't. If however a river
and boundary were split into different ways now then tags aren't mixed
and cannot cause conflicts later on.