[dsdl-discuss] RELAX NG for OOXML

Dear colleagues,

I have been trying to create the RNC version of the OOXML schema.
I hope to report this exercise in the Oslo meeting.

I deeply appreciate Rick for writing an XSLT stylesheet for the
conversion from XSD to RNG and allowing me to use it. I have
revised it and further created some other programs (ruby and XSLT)
for the conversion.

I have successfully validated the following XML documents. I will
try to validate more before the BRM.
  
  - document.xml of WordProcessingML
  - numbering.xml of WordProcessingML
  - workbook.xml of SpreadsheetML
  - sharedStrings.xml of SpreadsheetML
  - slide1.xml of PresentationML
  - handoutMaster1.xml of PresentationML

Here are some observations:

  The RNC version is away more compact (e.g., 427405 wml.xsd .vs. 76440
  wml.rnc). I would argue that the RNC version is far more readable.

  I believe that the translated RNC schemas capture more than 95% of the
  original semantics. Exceptions include xsd:unique and <xsd:any
  processContents="lax"/>.

  Sometimes, the intention of the original schema (<xsd:any/> in
  particular) is not clear to me.

  This experiment demonstrates requirements for RNG extensions, although
  they are not mandatory.

Cheers,

-- 
MURATA Makoto <murata@hokkaido.email.ne.jp>
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