[Tagging] highway=unclassified

[M∡rtin Koppenhoefer]

I wonder if this definition which was formerly part of the description
for highway=unclassified is still valid:

"Unclassified roads typically form the lowest form of the
interconnecting grid network."

It was removed here "(Tidying up the struck bits)":
http://wiki.openstreetmap.org/w/index.php?title=Tag:highway%3Dunclassified&oldid=316530

cheers,
Martin