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Public-images-osm logo.svg source:addr
Osm element key.svg
Source of address data
Group: Annotation
Used on these elements
may be used on nodes
may be used on ways
may be used on areas
use on relations unspecified
Useful combination
Status: Unspecified

This is a "namespaced" tag useful for describing the source of address data for an element, when the source is different than that used for other data.

See: source=*