[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] XSchema: Goals, final version
Note the name change: XSD is now XSchema. _No one_ defended XSD. Several people liked XSchema. For now, SDDs are XSchema documents. It could become XSD, but at this point, we don't need any more naming confusion. This version should be considered final until proven otherwise. The goals will be part of the final specification and, as such, may change if we hit enormous roadblocks. Unless that happens, please consider these final so that we can move on to more specific issues. ------------------------- 1. XSchema documents shall use XML document syntax, using element nesting and attributes to describe all constraints that may be verified by a processor using XSchema . 2. XSchema shall define a transformation from XSchema documents to DTDs. 3. XSchema documents shall be capable of representing the normalized element and attribute structures defined in XML 1.0 DTDs, and provide namespace support. 4. XSchema documents shall be parseable, manageable, and manipulable using the same tools used to parse, manage, and manipulate XML documents. 5. XSchema documents shall be easy to create, read, and modify, and shall provide authoring support. 6. XSchema documents shall be easy to use in combination with a parser to provide structural validation of documents. 7. XSchema shall include an XSchema document and an XML 1.0 DTD defining the structure of XSchema documents . 8. XSchema shall suggest mechanisms for applying XSchema documents to documents. 9. XSchema shall include mechanisms for extending the information included in XSchema documents to support metadata. 10. The XSchema specification shall be readable, clear, and rigorous, using terminology and nomenclature as close to the XML 1.0 specification as possible. 11. The XSchema specification will comply with and be consistent with W3C recommendations. 12. XSchema documents shall provide constructs for human- and machine-readable documentation. --------------------------------- Notes: 9 - I left "to support metadata" here after much pondering. Virtually any extension put here could be considered metadata in some sense. We'll have to define this more closely in the spec. Modifications: 11- Removed "regarding XML", bringing this proposal into hopeful alignment with more of the W3C's activities. (Prompted by RDF discussion.) Deletions: 13 - Folded namespace support into #3, with element and attribute support. 14 - Folded 'authoring support' into #5, "easy to create, read, and modify..." Simon St.Laurent Dynamic HTML: A Primer / XML: A Primer / Cookies 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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