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[Bug 15648] Add XDM filtering to list of implementation-defined properties

From: <bugzilla@jessica.w3.org>
Date: Fri, 24 Feb 2012 15:51:30 +0000
To: www-xml-schema-comments@w3.org
Message-Id: <E1S0xQg-0007gk-VN@jessica.w3.org>

--- Comment #1 from C. M. Sperberg-McQueen <cmsmcq@blackmesatech.com> 2012-02-24 15:51:29 UTC ---
A question for the WG to consider:  should section 2.4 say explicitly that it
is implementation-defined which category of conformance is claimed by an
implementation of XSD, and in particular that it is implementation-defined 

  - whether a processor is or is not an instance validator
  - whether it is a schema-validity assessor (exposes more of the PSVI than a
  - whether it is general-purpose or special-purpose
  - if general-purpose, whether it is also Web-aware

(In some cases the answers to these will follow automatically from saying that
an implementation is a general- or special-purpose validator, or assess, or a
special-purpose tool.)

Or is it already inescapable that any claim to conformance to the spec must
provide that information?

(This arises from an attempt to back-link each item in the list of
implementation-defined features to the section of the spec which states
normatively that that feature is implementation-defined, in particular from 
item 2 on the list, which is either (a) a reference to the distinction between
general-purpose processors, which can acquire schema components by reading
schema documents, and special-purpose processors, which cannot; or (b) a
reference to the fact that for reasons which seemed good to the majority of the
WG at the time) the spec does not actually require that general-purpose
processors be able to read schema documents in XML form, so that it is
necessary to say not only whether a processor is a general-purpose processor
but also necessary to say whether it can read XML documents as sequences of
characters with angle brackets.)

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Received on Friday, 24 February 2012 15:51:35 UTC

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