- From: Norman Walsh <Norman.Walsh@Sun.COM>
- Date: Wed, 12 Nov 2003 10:06:32 -0500
- To: Ray Whitmer <raydwhitmer@aol.com>
- Cc: public-qt-comments@w3.org
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/ Ray Whitmer <raydwhitmer@aol.com> was heard to say:
| <h2>DOM7</h2>
| XPDM2 is often not just an extension of the infoset, but a
| relaxation. A mapping is provided, but no information about what
| happens to the mapping when the model conflicts with the infoset.
| These issues have been raised before. For example, what is the
| infoset mapping when there are more than one element child nodes of the
| document node? This needs to be clearly specified. DOM,
| does not permit this particular violation of infoset. An XPath
| implementation on top of DOM would not be able to represent this sort
| of infoset violation. This may be true wherever the data model is
| more relaxed from the infoset. In any cases where DOM does not
| rigorously guarantee a valid infoset, it reconciles deviations during
| serialization or normalization in a specified way. XPDM2 does not
| seem to do this. We need some sort of fix in the
| XPath specification, if only to be able to easily refer to
| this sort of infoset relaxation and the inability of some
| implementations to represent it (as well as the inability of such a
| model to be serialized as well-formed XML).<br>
These sections have been removed from the 12 Nov draft.
Be seeing you,
norm
- --
Norman.Walsh@Sun.COM / XML Standards Architect / Sun Microsystems, Inc.
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Received on Thursday, 13 November 2003 20:19:39 UTC