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On Jan 25, 2012, at 9:52 AM, WanMil wrote:
A postal_code relation catches all nodes and ways and it has to be tagged once. In constrast you have N elements all tagged individual. The chances are much higher that there are one or more typo errors in the elements than there is one in the relation.
In theory this is the best
Anyhow postal_code relations need to be better maintained in the OSM database.
relations are constantly broken in OSM and practically this doesn't work so well. having individual tags provides redundancy and can be used to verify consistency of the relation.
WanMil
Thorsten
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