curnode = Node.find(n)
id = n; reuse = curnode.visible
if oldnode.lat != curnode.lat or oldnode.lon != curnode.lon or oldnode.tags != curnode.tags then
curnode = Node.find(n)
id = n; reuse = curnode.visible
if oldnode.lat != curnode.lat or oldnode.lon != curnode.lon or oldnode.tags != curnode.tags then