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RE: (more details) embedding xml schema in an instance doc

• To: <peej@m...>,<ht@c...>
• Subject: RE: (more details) embedding xml schema in an instance doc
• From: "Dare Obasanjo" <dareo@m...>
• Date: Mon, 10 Jun 2002 13:41:58 -0700
• Cc: <xml-dev@l...>,<xmlschema-dev@w...>
• Thread-index: AcIQvUvuxMCYsSi2RtKYd5Bg1DerQQAAX8rw
• Thread-topic: (more details) embedding xml schema in an instance doc

The sForS is not a valid schema and thus should fail to validate. As for
validating processors to allow 

<xs:import  namespace="http://www.w3.org/2001/XMLSchema" />

so users can specify items from the http://www.w3.org/2001/XMLSchema
namespace in their instance documents is a work around to this
deficiency that I am not sure any validating processor currently
implements. I had heard that recent versions of XML Spy allow one to do
this but have not actually tried the product out to confirm. 


-- 
PITHY WORDS OF WISDOM 
The shortest distance between two points is under repair.

This posting is provided "AS IS" with no warranties, and confers no
rights. 



> -----Original Message-----
> From: peej@m... [mailto:peej@m...] 
> Sent: Monday, June 10, 2002 1:27 PM
> To: Dare Obasanjo; ht@c...
> Cc: xml-dev@l...
> Subject: Re:  (more details) embedding xml schema in 
> an instance doc
> 
> 
> If I'm understanding correctly, then I should be able to 
> import the schema for XMLSchema and it'll parse/validate 
> without error.  If I attempt to do so via the import 
> statement Dare suggested (<xs:import 
> namespace="http://www.w3.org/2001/XMLSchema" />), I get 
> errors about being unable to locate the schema.  So if I 
> supply the schemaLocation 
> (http://www.w3.org/2001/XMLSchema.xsd), I get > the following 
> errors:
> 
> from XMLSpy (version 4.3):
> The file is not valid:  Another type with name "xsd"string" 
> does already exist in this or in one of the included/imported schemas!
> 
> from Xerces (version 2.0.1):
> org.xml.sax.SAXParseException: Unknown base type  for type 
> reducedDerivationControl.
> 
> So it seems like something is still wrong...and perhaps thats 
> something wrong with *both* parsers I'm trying.  Not sure.  
> Any thoughts?
> 
> P.J.
> 
> 
> ----- Original Message ----- 
> From: "Henry S. Thompson" <ht@c...>
> To: "Dare Obasanjo" <dareo@m...>
> Cc: <peej@m...>; <xml-dev@l...>
> Sent: Monday, June 10, 2002 3:40 PM
> Subject: Re:  (more details) embedding xml schema in 
> an instance doc
> 
> 
> > "Dare Obasanjo" <dareo@m...> writes:
> > 
> > > The schema For Schema contains a number of issues. Any 
> parser that 
> > > validates it is broken.
> > 
> > All fixed as of last week, as far as I and the XML Schema 
> WG know. See 
> > the published errata for details [1].  Any that remain, 
> please let us 
> > know!
> > 
> > ht
> > 
> > [1] http://www.w3.org/2001/05/xmlschema-errata.html
> > -- 
> >   Henry S. Thompson, HCRC Language Technology Group, 
> University of Edinburgh
> >           W3C Fellow 1999--2002, part-time member of W3C Team
> >      2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 
> 131 650-4440
> >     Fax: (44) 131 650-4587, e-mail: ht@c...
> >      URL: http://www.ltg.ed.ac.uk/~ht/
> >  [mail really from me _always_ has this .sig -- mail without it is 
> > forged spam]
> 
> 

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