Public Identifiers

John Cowan cowan at
Wed Sep 23 17:06:13 BST 1998

Chris Maden wrote:
> There is a need to refer to things
> that nobody has registered, yes.  But you then say that Joe User
> shouldn't register Sears, but that's exactly what he did in your
> -//Sears//... example.  If Sears has not created an FPI for their 1922
> catalog, then Joe User should say -//Joe User//NONSGML Sears Roebuck
> and Co. 1922 Catalog//EN.

I agree absolutely.
> This isn't true.  The URN spec, as John quoted, specifically allows
> the case of URNs that are not resolvable to a concrete electronic
> resource.  And since FPIs can be used as URNs,
> urn:fpi:-//Joe%20User//NONSGML%20Sears%20Roebuck%20and%20Co.%201922%20Catalog//EN
> is a perfectly legitimate URN that points to the lump of paper in my
> outhouse.

Right, though urn:x-joe-user:SearsCatalog1922 might be more perspicuous
as well as shorter.

John Cowan		cowan at
	You tollerday donsk?  N.  You tolkatiff scowegian?  Nn.
	You spigotty anglease?  Nnn.  You phonio saxo?  Nnnn.
		Clear all so!  'Tis a Jute.... (Finnegans Wake 16.5)

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