[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Personal reply to Edd Dumbill's XML Hack Article wrt W3C XML Schema
True enough, James, and that is precisely what was said for SGML DTDs. Here is the rub: the W3C specs continue to wander and it is hard to tell if this is improvement. It seems the "simple is better" approach leads to "discoverable requirements" and while that lends some comfort to those who like the specification process, it is turning the W3C specs into some of the most expensively implemented systems of all time. The continuous do-overs come at considerable cost to the entities that must do them and use them. How is this to be resolved? It isn't only a technical problem now. It is leading some to question if the open specifications from closed consortia can be relied upon to deliver the sanity in standards promised, or the reliable technology needed. Some companies have to deliver on time and within budget. Increasingly, as with the browser wars, the only way to do this is to commit to the company, not the specification or the specification organization. Len http://www.mp3.com/LenBullard Ekam sat.h, Vipraah bahudhaa vadanti. Daamyata. Datta. Dayadhvam.h -----Original Message----- From: James Clark [mailto:jjc@j...] It is clear to me XML Schema as it stands *is* useful. However, it's also clear to me that there is the potential to create a schema language (or perhaps family of languages) for XML that is significantly better that XML Schema as it stands and that satisfies the requirements placed on XML Schema. I am content to have XML Schema as it stands now, so long as that doesn't prevent the XML community getting something better in the future. In particular, I hope that: (a) overly tight coupling between other W3C specs and XML Schema 1.0 will be avoided (b) future versions of XML Schema will not be constrained to be 100% compatible with XML Schema 1.0; the requirement for any future version should be that it be possible automatically to translate XML Schema 1.0 into that future version This will allow the potential for the creation of a better schema language to be realized to the maximum extent possible in future versions of XML Schema.
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