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RE: Reg. <all> model group extension

From: Michael Kay <mike@saxonica.com>
Date: Mon, 30 Nov 2009 15:41:32 -0000
To: "'bharath'" <bharathkr@huawei.com>, "'Pete Cordell'" <petexmldev@codalogic.com>, <xmlschema-dev@w3.org>
Cc: <rajithr@huawei.com>, <arathikarki@huawei.com>, <ksrilakshmi@huawei.com>
Message-ID: <D4136F023E38440C82798D296BB9A25B@Sealion>
Look for Schema Component Constraint: Particle Valid (Extension) in 3.9.6.
Clause 2 says that the {term} must be a sequence group (it cannot be choice
or all).

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay 

> -----Original Message-----
> From: xmlschema-dev-request@w3.org 
> [mailto:xmlschema-dev-request@w3.org] On Behalf Of bharath
> Sent: 30 November 2009 15:23
> To: 'Michael Kay'; 'Pete Cordell'; xmlschema-dev@w3.org
> Cc: rajithr@huawei.com; arathikarki@huawei.com; ksrilakshmi@huawei.com
> Subject: RE: Reg. <all> model group extension
> 
> Hi Pete Cordell/ Michek Kay
> 
> Thanks for your reply. 
> Can you please tell me where I can find this limitation of 
> <all> extension in xml schema specification.
> 
> 
> Thanks and Regards,
> Bharath.
> 
> 
> -----Original Message-----
> From: xmlschema-dev-request@w3.org 
> [mailto:xmlschema-dev-request@w3.org] On Behalf Of Michael Kay
> Sent: Monday, November 30, 2009 8:41 PM
> To: 'Pete Cordell'; 'bharath'; xmlschema-dev@w3.org
> Cc: rajithr@huawei.com; arathikarki@huawei.com
> Subject: RE: Reg. <all> model group extension
> 
>  
> > 
> > I don't believe you are allowed to extend xs:all in XSD 1.0.  
> > This has been relaxed in the upcoming 1.1.
> 
> Correct (thanks for spotting this, Pete).
> 
> After fixing a couple of typos (bad XML end tags), I get the 
> following from Saxon 9.2 running with -xsdversion:1.0:
> 
> Error on line 15 of test.xsd:
>   The type DerivedType is defined with xs:all so (in XSD 1.0) 
> it cannot be derived by
>   extension from a non-empty type
> Schema processing failed: The schema is invalid
> 
> but with -xsdversion:1.1 I get:
> 
> Schema checking successful.
> 
> Regards,
> 
> Michael Kay
> http://www.saxonica.com/
> http://twitter.com/michaelhkay 
> 
> 
> 
Received on Monday, 30 November 2009 15:42:05 GMT

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