RE: Mechanism, not policy [was: Attribute uniqueness...]

Dan Conolly wrote:

> > The namespace name in
> >
> > <x xmlns="http://www.w3.org" />
> >
> > just is the URI of the W3C home page. That resource doesn't aquire any
> > properties of a namespace just because I used it's identifier as a
> > namespace name.
>
> Yes, it does. That is: to use http://www.w3.org/ as a namespace name
> is to claim that it refers to a namespace.

Using <something> as a namespace name is just that: you select <something>
as a name for the namespace.

Could you please explain in which way the namespace rec says that the URI
ref actually should or must *refer* to a namespace?

Julian