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  • To: xml-dev@lists.xml.org
  • Subject: <?P[SV]I?>
  • From: Eric van der Vlist <vdv@dyomedea.com>
  • Date: Sat, 23 Feb 2002 10:05:55 +0100
  • User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.8) Gecko/20020214

Following a recent thread [1] on www-tag lead me to the conclusion [2] 
that PIs are an out of band signalling mechanism and reminded me an old 
issue [3] which is yet to be solved.

It might even be more than a rough syntactic trick and PSVI information 
are nothing more than insformation (or instructions) to process a 
document. This proposal would thus use PIs for what they've been 
designed for!

So, why not use PIs to embedd PSVI information in instance documents?

It would not meet my intial requirement of being easy to process with a 
simple XPath expression, but would still meet the other requirements of 
interoperability and persistence of the PSVI and would have 0 effect on 
existing applications (the adorned document would even still be a valid 
document per its original schema).


[1] http://lists.w3.org/Archives/Public/www-tag/2002Feb/0057.html
[2] http://lists.w3.org/Archives/Public/www-tag/2002Feb/0161.html
[3] http://lists.xml.org/archives/xml-dev/200110/msg00556.html
See you in Seattle.
Eric van der Vlist       http://xmlfr.org            http://dyomedea.com
http://xsltunit.org      http://4xt.org           http://examplotron.org


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