[OSM-talk] administrative boundaries and is_in

[Abigail Brady]

On Jan 9, 2008 11:50 PM, Karl Newman <siliconfiend at gmail.com> wrote:

> I understand why numbers are used instead of names. My question is why are
> there no odd numbers listed? It just looked strange.
>

Future-proofing.  It leaves gaps so that if new units are invented that fit
between existing ones you can make them be '3' or '5', etc, without having
to renumber everything else.

-- 
Abi
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