On ID "sameness"

[Ray Plante]

> Therefore I believe the ID question devolves to a question of what
> documentation bundle goes with one of the tokens.
> 
> "Sameness" is a matter of compring ID strings. If they are different, we
> must look to their metatdata for any possible relationships. We should not
> overload our ID with extra stuff and try to be all things to all people.

The question then is, under what circumstances should two things (or two 
references to things) be refered to by identical IDs?  I would infer from 
your discussion that it mean that the two things have identical 
documentation bundles associated with it.  Yes?

cheers,
Ray