[Tagging] Relation for saying "x is attached to y"?

[Steve Bennett]

On Tue, Aug 31, 2010 at 1:46 AM, Phil! Gold <phil_g at pobox.com> wrote:
> There is a proposal for a tracks= tag:
>
> http://wiki.openstreetmap.org/wiki/Proposed_features/Multiple_Tracks

Ok, two points:
1) That's a mechanism for only having a single way, and coding
information about the number of tracks. I'm talking about mapping both
tracks, but also mapping a single way which *represents* both tracks.
2) A generic mechanism would make life easier for reusers of data anyway.

Steve