add_underlay("osm");
hook(type => "getsetup", id => "osm", call => \&getsetup);
hook(type => "format", id => "osm", call => \&format);
add_underlay("osm");
hook(type => "getsetup", id => "osm", call => \&getsetup);
hook(type => "format", id => "osm", call => \&format);