[OSM-dev] Multipolygons as members of a multipolygon

[Willi]

On Monday, October 08, 2012 12:28 AM  Igor Brejc [mailto:igor.brejc at gmail.com] wrote

> I noticed some cases where multipolygons contained members which were themselves 
> multipolygons (with an inner role): http://www.openstreetmap.org/browse/relation/1450360

> Since the Wiki docs don't mention such cases at all

See http://wiki.openstreetmap.org/wiki/Super-Relation/Implementation

JOSM relation editor supports parent and child relations.