I've started adding great war wire obstacles and trenches to the open historical map, using a second level namespace for some pages:
http://wiki.openstreetmap.org/wiki/Tag:highway=ohm:military:Trench I haven't found any indication this will break anything downstream. There is a category to track tags specific to the OHM: http://wiki.openstreetmap.org/wiki/Category:OHM_Tags Rob _______________________________________________ Historic mailing list [email protected] http://lists.openstreetmap.org/listinfo/historic
