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- From: "Arnold, Curt" <Curt.Arnold@hyprotech.com>
- To: "'firstname.lastname@example.org'" <email@example.com>, 'Ed Howland' <Ed@dega.com>
- Date: Thu, 14 Jan 1999 14:27:19 -0700
>>Does anybody have the W3 spec/proposal paper for XSchema? I found
>>about SOX (Schema for Object-oriented XML) which seems even better than
>>I have read so far (MS web site about IE5b2) about XSchema. What is the
>>status of these?
XSchema, XML-Data, DCD and SOX are all proposal for XML-based representation
of schema information. XSchema was a product of this list and has no W3C
status. The other three have been submitted to the W3C as a note.
Hopefully all four are being considered in a W3C working group on XML
schemas and an unified standard will emerge.
XSchema is available at http://purl.oclc.org/NET/xschema. You might want to
check http://www.oasis-open.org/cover/xml.html#xml-XSchema for more
background on XSchema, DCD etc.
Currently, the Microsoft IE5 parser supports something in between XML-Data
and DCD, but has no support for XSchema (that I know of).
I think most people that are using the XML-based schema languages are using
them as a higher-level language for schema generation and then converting
them down to the universally recognized DTD. Just like a C++ and Delphi
parser would result in the univerally understood Intel-byte code :).
Myself, I'm using a DCD variant that I have enhanced with documentation
elements and am building DTD's and HTMLHelp documentation from a unified
source. Until the W3C working group gets further in its progress, I think
that translation down to DTD's is required.
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