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RE: XML Schema question: A <xs:choice> equivalent for attributes?

From: Simon Cox <simon.cox@jrc.ec.europa.eu>
Date: Fri, 28 Aug 2009 15:13:31 +0200
To: "'Michael Kay'" <mike@saxonica.com>, "'youhaodeyi'" <youhaodeyi@gmail.com>, <xmlschema-dev@w3.org>
Message-ID: <2332EAA597854D02980FC7C6E1E0EF4B@H07.jrc.it>
Else just use elements. 
Why does XML have the choice of element or attribute, anyway ;-) 


--------------------------------------------------------
Simon Cox

European Commission, Joint Research Centre, 
Institute for Environment and Sustainability, 
Spatial Data Infrastructures Unit, TP 262 
Via E. Fermi, 2749, I-21027 Ispra (VA), Italy 
Tel: +39 0332 78 3652
Fax: +39 0332 78 6325
mailto:simon.cox@jrc.ec.europa.eu 
http://ies.jrc.ec.europa.eu/simon-cox 

SDI Unit: http://sdi.jrc.ec.europa.eu/ 
IES Institute: http://ies.jrc.ec.europa.eu/
JRC: http://www.jrc.ec.europa.eu/
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-----Original Message-----
From: xmlschema-dev-request@w3.org [mailto:xmlschema-dev-request@w3.org] On
Behalf Of Michael Kay
Sent: Friday, 28 August 2009 12:22
To: 'youhaodeyi'; xmlschema-dev@w3.org
Subject: RE: XML Schema question: A <xs:choice> equivalent for attributes?


It's a well-known limitation of XSD 1.0 that you can't do this.

It's easy in XSD 1.1, but most processors don't support that yet.  (Saxon
does support a sufficient subset, however).

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay 
Received on Friday, 28 August 2009 13:16:38 GMT

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