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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Inheritance in XML
 At 21:28 22/04/98 -0700, Jon Bosak wrote: [...valuable contribution snipped...] > >The answer is, Yes, there are other people who think that it would >make sense to design an XML schema mechanism to handle issues like >what has been called "inheritance" in this discussion (not to mention >good old-fashioned data typing). The workings of a W3C committee can >be made public only at the discretion of the chair of the committee, >so I will put on my official XML WG Chairman hat and reveal unto ye >that the XML WG has officially requested that the job of defining a >schema language for XML documents be added to its charter. If >approved by the W3C Director, this work would certainly involve a >consideration of most of the issues raised in this discussion and >would include a close look not only at XML Data but also at other >proposed solutions to the same problem. I am extremely pleased to see this announcement and hope that XML-DEV can act supportively. I am 100% in favour of 'no semantics' in XML. The only concern I have about that philosophy is that the community might have many different unconnected approaches to developing semantics which would significantly decrease interoperability. Jon's announcement should help developers plan their timescales for creating their own semantics. There is little to be gained by doing it too early if the rest of the community is going to have a well-crafted, publicly developed approach in a few months. Like many others, I need some of the components of XML-data and so whatever I do at present I have designed to be 'throw-away' when the W3C deliberations start coalescing. It's worth remembering that this is probably the first global public exercise in developing semantics other than in specialised domains. There is a great deal to do - and the 'inheritance' discussion shows that it is a level of complexity tougher than syntax. Our discussions (and success) with SAX shows that it often takes repeated starts to get workable approaches. I am confident that the public discussion over the last year will prove very useful to those involved in coming up with formal suggestions. P. Peter Murray-Rust, Director Virtual School of Molecular Sciences, domestic net connection VSMS http://www.nottingham.ac.uk/vsms, Virtual Hyperglossary http://www.venus.co.uk/vhg xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...) 
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