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Re: may dataTyped elements be empty?

From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
Date: 19 Jan 2001 12:11:26 +0000
To: francis@redrice.com
Cc: xmlSchema-dev <xmlschema-dev@w3.org>
Message-ID: <f5b4ryvhhch.fsf@cogsci.ed.ac.uk>
Francis Norton <francis@redrice.com> writes:

> ---
> C:\customers\iExml>type date.*
> 
> date.xsd
> 
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <xsd:schema xmlns:xsd="http://www.w3.org/2000/10/XMLSchema"
> elementFormDefault="qualified">
>         <xsd:element name="DoB" type="xsd:date">
>                 <xsd:annotation>
>                         <xsd:documentation>Date of
> Birth</xsd:documentation>
>                 </xsd:annotation>
>         </xsd:element>
> </xsd:schema>
> 
> date.xml
> 
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <DoB    xmlns:xsi="http://www.w3.org/2000/10/XMLSchema-instance"
>                  xsi:noNamespaceSchemaLocation="date.xsd"/>
> 
> C:\customers\iExml>
> ---
> 
> xsv (current standalone) reports that date.xml is valid, whereas XMLspy
> 3.5 beta 4 rejects it unless there is a date in there.

XMLSpy is correct.  As the XSV homepage [1] records, XSV does not do
much in the way of simple type validation.

> I ahve found documentation for the xsi:nullable attribute but cannot
> find any explicit discussion of this issue. Which is correct, please?

[1] http://www.ltg.ed.ac.uk/~ht/xsv-status.html
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2001, 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@cogsci.ed.ac.uk
		     URL: http://www.ltg.ed.ac.uk/~ht/
Received on Friday, 19 January 2001 07:11:29 GMT

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