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Re: some questions about version information in the test suite

From: Henry S. Thompson <ht@inf.ed.ac.uk>
Date: Wed, 16 Jun 2010 16:53:19 +0100
To: "C. M. Sperberg-McQueen" <cmsmcq@blackmesatech.com>
Cc: public-xml-schema-testsuite@w3.org
Message-ID: <f5btyp3nfdc.fsf@calexico.inf.ed.ac.uk>
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C. M. Sperberg-McQueen writes:

>> (2) eliminate the implDe attribute, and (3) change the enumerated
>> values of expected/@validity from 'valid, invalid, notKnown' to
>> 'valid, invalid, notKnown, impl-defined, impl-dependent,
>> unspecified'

I will respond at more length to the original message, but wrt this
proposed change I would point out that the WG considered a similar
change six months ago and decided against it, because the current
values of expected/@validity correspond to the three allowed values of
the [validity] PSVI property, and are intended to be checked against
it.

We chose instead to continue interpreting that attribute as specifying
what the _author_ of the test expected, and then using a separate
attribute (doesn't have to be a boolean @implDe -- if the range of
cases you want to cover (impl-defined, impl-dependent, unspecified)
can really be adequately distinguished, then make them the values of a
defaults-to-vanilla attribute called @status or some such).

ht
- -- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
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Received on Wednesday, 16 June 2010 15:53:52 GMT

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