[OSM-dev] OSM Data Update

[Peter Körner]

Jim Brown schrieb:
> Frederik wrote:
>> You should never assume that OSM Way IDs (or indeed any IDs) remain 
>> unchanged. The "data" layer on www.openstreetmap.org is your friend if 
>> you want to find out the history of a particular stretch of motorway.
> 
> If the ids change it makes diff processing a bit difficult...  

The id's don't change but elements can be deleted and re-created and 
thereby given a new id.

Peter