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RE: PSVI formalization

• To: "Dare Obasanjo" <dareo@m...>,"Simon St.Laurent" <simonstl@s...>,<xml-dev@l...>
• Subject: RE: PSVI formalization
• From: Jonathan Robie <jonathan.robie@d...>
• Date: Thu, 09 May 2002 14:31:24 -0700
• In-reply-to: <8BD7226E07DDFF49AF5EF4030ACE0B7E05573D2E@r...>

At 02:18 PM 5/9/2002 -0700, Dare Obasanjo wrote:

>Can you please name any of these 3 implementations so I can take a look
>at them? I personally have not seen an implementation that allows one
>access to the [validation context], [validity], [schema normalized
>value] or [validation attempted] properties of an attribute information
>item in an XML document.

I don't think the PSVI people need for normal implementations would include 
these things. The current PSVI is really at the wrong level of abstraction.

>Please point me to an implementation that supports all the PSVI
>contributions to an XML infoset as specified in the W3C XML Schema
>structures recommendation.

Say what? That would be insane!

But there is an implementation that comes close, and also serializes the 
results as XML - Richard Tobin's XSV. Here's documentation for the 
serialization format:

A schema for serialized infosets
Richard Tobin and Henry Thompson, LTG, University of Edinburgh
http://www.w3.org/2001/05/serialized-infoset-schema.html

But please, let's not just ape that.

For a much more minimal set of operations, it's worth looking at this:


Document Object Model (DOM) Level 3 Abstract Schemas and Load and Save 
Specification
Version 1.0
W3C Working Draft 14 February 2002
http://www.w3.org/2002/02/WD-DOM-Level-3-ASLS-SaintValentin/
Particularly this 
part: 
http://www.w3.org/2002/02/WD-DOM-Level-3-ASLS-SaintValentin/abstract-schemas.html

There are three more that may or may not have been publicly announced, two 
from companies you are probably familiar with. I have no idea whether these 
companies want to go public. W3C members can see the relevant information here:

http://www.w3.org/XML/Group/Schemas.html

These are the ones I find particularly interesting. Anybody know public 
information on these?

Jonathan

• Follow-Ups:
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    • From: Xan Gregg <xan@t...>
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    • From: Richard Tobin <richard@c...>

• References:
  • RE: PSVI formalization
    • From: "Dare Obasanjo" <dareo@m...>

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