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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: How to redesign W3C XML Schema (Was: Remembering the original XML vi
 Quoting Jonathan Robie: > But I would only support it if it had a prayer of being implemented and > used. Remember that XML was a marketing coup as much as a technical coup - > if we wanted to establish another schema language, we would have to find > markets that desperately need it, and for whom existing solutions are > painful enough to make them willing to change, and to abandon already > accepted standards. Building a market like that takes time and energy. I understand the issue. However, much that has been said in this thread about SGML reminds me very much about my current experiences with XML Schema. IMO a good specification is a small specification. For example, the old RFC's have typically been *very* small, compared to nowadays nightmares. Standards like SMTP have of course evolved in time, adding features over time. As David wrote: > I spent three months on and off trying to write an SGML parser in > Java and never made much progress; I had the first working draft > of AElfred done in an evening, and a quite usable parser in a couple > of days (on top my regular work responsibilities at the time) I think the same can be said for the early versions of SMTP, POP3, HTTP, and all that stuff. (At least for the protocol, of course it is a different task to write an SMTP protocol handler than writing Sendmail or MS Exchange.) IMO this can be said partially for XML (at least not for the DTD related stuff), but not at all for XML Schema. I am currently working since months on an implementation of JAXB (http://java.sun.com), which is a fairly big specification in itself. But I can realistically *never* expect to implement all the details of XML Schema, on which JAXB is sitting, not even at the parser level. I am not so keen on the idea of supporting Relax NG, Schematron, and all that stuff. But a simplification of XML Schema would make quite some sense, much in the way of DocBook with its spinoff DocBook Lite. Jochen 
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