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Re: Do XML Schema processors verify schemas using XML Schema?

From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
Date: Wed, 08 Oct 2003 09:53:34 +0100
To: "Dare Obasanjo" <dareo@microsoft.com>
Cc: "Sam Tregar" <sam@tregar.com>, <xmlschema-dev@w3.org>
Message-ID: <f5bsmm4m7ox.fsf@erasmus.inf.ed.ac.uk>

"Dare Obasanjo" <dareo@microsoft.com> writes:

>> -----Original Message-----
>> From: Sam Tregar [mailto:sam@tregar.com] 
>> Sent: Tuesday, October 07, 2003 12:07 PM
>> To: Dare Obasanjo
>> Cc: xmlschema-dev@w3.org
>> Subject: RE: Do XML Schema processors verify schemas using XML Schema?
>> 
>> The latter, of course!  Obviously being a conformant XML 
>> Schema implementation means checking schemas for validity.  
>> I'm asking whether they do it using a schema (sForS?) or by 
>> some other process.
>
> I doubt that any implementation uses the sForS given that it is an
> invalid schema

I _think_ the published errata have addressed all the ways in which
the sForS was invalid -- have we missed something?

> and even if it wasn't does not fully describe all the constraints in
> the W3C XML Schema recommendation.

That's of course true -- the Schema Representation Constraints have to be
open-coded.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                      Half-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
		     URL: http://www.ltg.ed.ac.uk/~ht/
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Received on Wednesday, 8 October 2003 04:53:35 GMT

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