Processing instructions (was XSchema: Sections 5.0 and 5.1)

John Cowan cowan at
Fri Sep 25 17:43:57 BST 1998

david at wrote:

> PI's provide a (slightly clumsy) method for adding new declaration
> types to XML without breaking existing parsers.  In general, I don't
> think that it's a good idea to use elements and attributes for
> declarations, since they represent the logical structure of the
> document itself.

An excellent point, which I was going to include but couldn't think
how to phrase.  Thank you.

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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