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I do not see any significant benefits from closed content models. Requiring elements to be in a particular sequence nor disallowing foreign tags between siblings or between parent and child nodes is like casting information in concrete. We need to focus more on open content models. My particular dislike for the current crop of schema initiatives is that all of them seem to target the syntax layer instead of the information model layer. Current syntax-targeted approaches decrease extensibility while increasing fragility of XML-based documents. Also, I find current obsession with document-level schemas in conflict with the increasing trend toward compound documents/streams. Micro-schemas which define basic building blocks are preferable to macro-schemas which define complete document structure. Best, Don Park - mailto:donpark@d... Docuverse - http://www.docuverse.com *************************************************************************** This is xml-dev, the mailing list for XML developers. To unsubscribe, mailto:majordomo@x...&BODY=unsubscribe%20xml-dev List archives are available at http://xml.org/archives/xml-dev/threads.html ***************************************************************************
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