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Re: Question on using xs:pattern to restrict xs:dateTime

• To: "Dare Obasanjo" <kpako@y...>
• Subject: Re: Question on using xs:pattern to restrict xs:dateTime
• From: ht@c... (Henry S. Thompson)
• Date: 04 Jan 2002 11:46:49 +0000
• Cc: "xml-dev" <xml-dev@l...>
• In-reply-to: <001901c19560$7e950920$0500a8c0@carnage>
• References: <001901c19560$7e950920$0500a8c0@carnage>
• User-agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Civil Service)

"Dare Obasanjo" <kpako@y...> writes:

> Is this a valid schema
> 
> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
> <xsd:simpleType name="myTimeType">
>       <xsd:restriction base="xsd:dateTime">
>         <xsd:pattern value="\d\d:\d\d(:\d\d)?" />
>          <xsd:whiteSpace value="collapse" />
>       </xsd:restriction>
> </xsd:simpleType>
> </xsd:schema>

I don't think so -- \d is not a valid W3C XML Schema pattern regexp
component, on my reading of the REC.

> and if so why? If not, is there any validating parser that will give an error
> message on validating it.

Sorry, XSV doesn't touch the pattern facet at all

> PS: XSV doesn't complain when the value of whiteSpace is set to "preserve"
> which I assume is a bug

That is indeed a bug, I'll put it on the list.

ht
-- 
  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@c...
		     URL: http://www.ltg.ed.ac.uk/~ht/

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