PITarget uniqueness

James Tauber jtauber at jtauber.com
Fri Apr 9 03:52:00 BST 1999

> How do I guarantee that the target name of my Processing Instructions (PI)
> are unique? It's probably out of the scope of the XML spec. to specify,
> are there any general guidelines for naming PIs?

PI targets can be associated with a URI using the NOTATION mechanism. This
is so much like the namespace mechanism that I'd really like it if the two
were merged and the PI target made arbitrary.

My FOP application (0.6.0 out RSN) reads PIs with target "FOP" but that
could of course clash with "Fred's Outstanding Processor" or something.

I would prefer to have FOP read PIs with a target that's a notation declared
with the URI "http://www.jtauber.com/fop" but that would require the input
to FOP having a DTD, which isn't something most (any?) XSL engines will do.

James Tauber / jtauber at jtauber.com / www.jtauber.com
XML Standards and Product Coordinator
HarvestRoad Communications / www.harvestroad.com.au

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