From: "Jonathan Rochkind" <[log in to unmask]>
>  There are all sorts of useful identifiers I use in my work every day that 
> can not be automatically dereferenced.

Even more to the point: there is no sound definition of "dereference".  To 
dereference a resource means to retrieve a representation of it. There has 
never been any agreement within the w3c of what constitutes a 
representation.

--Ray