Forwarded message 1
Is anyone else concerned about the language in the latest XPointer Last Call
Working Draft that refers to XML Schema?
"If the document has an XML Schema [XMLSchema] PSVI,..."
I know what a PSVI is, and how to get one. What I don't know is what it
means for a document to "have" a PSVI, or how to determine if a document has
one, or which PSVI to use if it has more than one.
Remember that the xsi:schemalocation attribute is a "hint". There may be
other hints, I may have my own ideas about what XML Schema is appropriate,
or there may be no hints but a common understanding of what XML Schema I
should use (perhaps in the software of some vendors).
If XPointer is going to depend on XML Schema, it should do so in a
well-specified way.
I can think of several ways to fix this:
1. Drop XMLSchema entirely from XPointer
2. Add an XMLSchema(...) XPointer Scheme
3. Make the schemalocation hint manditory to provide, and manditory to
dereference for Schema-Loading, WRT XPointer.
I'm worried that instead we will get
4. Do nothing, and hope it works itself out.
since XPointer is on the Fast-Track to Rec.
-Wayne Steele
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--
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
W3C Fellow 1999--2002, part-time member of W3C Team
2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
URL: http://www.ltg.ed.ac.uk/~ht/
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