Revision to the CVA specification

["G. Ken Holman" <gkholman@CraneSoftwrights.com>]

Fellow CLR-dev subscribers,

While the Code List Representation Technical Committee list has been 
quiet, there have been a growing number of users of OASIS genericode 
and the proposed Context/Value Association document model.  I've been 
working with people in New Zealand, England and Belgium on new 
implementations, as well as assisting the UBL committee with their 
2.0 update release with updated files.  I also had the opportunity to 
teach a full day on genericode and CVA in Rome in April.

Further to Maarten's formal request:

   http://lists.oasis-open.org/archives/codelist-comment/200811/msg00000.html

... I have addressed a couple of small issues that have been piling up:

  - augmented the Identification section to be more in line with genericode
  - rearranged and augmented the Annotation section to be more in line with
    genericode
  - added the mark="" attribute to characterize a context with a name token

Maarten's request was framed using Schematron, yet CVA is specified 
to be implementation independent.  The new CVA mark="" attribute can 
be implemented with flag="" when using Schematron as the 
implementation.  Using "mark" reflects that the user is marking the 
particular context with some abstract characteristic that may be 
useful in downstream distinctions of the constraint violations.

Still not addressed are valuable comments from Tony regarding the 
prose used in the draft specification.  I'm waiting until we stop 
getting technical comments before reworking the prose.

  The specification of CVA:

   http://www.oasis-open.org/committees/document.php?document_id=29990

  An example Schematron implementation of CVA for validation:

   http://www.cranesoftwrights.com/resources/ubl/index.htm#cva2sch

  XSLT 1.0 stylesheets for rendering CVA and genericode files in HTML:

   http://www.cranesoftwrights.com/resources/ubl/index.htm#codess

As always, any feedback is very much appreciated.

. . . . . . . . . . . . . Ken

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