Namespaces and URNs

John Cowan cowan at
Wed Aug 5 19:19:50 BST 1998

W. Eliot Kimber wrote:

> They are formally defined
> in ISO 8879 (the SGML standard) and in ISO 9070, which defines various
> registration authorities for public IDs (of which the ISBN is one).

Tell me then, if you will, oh mighty oracle :-), what the rules are
for non-formal public identifiers?  I think I now grasp FPIs.

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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