- From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
- Date: Tue, 02 Sep 2003 09:28:07 +0100
- To: Cams Ismael <Ismael.Cams@siemens.com>
- Cc: "'xmlschema-dev@w3.org'" <xmlschema-dev@w3.org>
Cams Ismael <Ismael.Cams@siemens.com> writes:
> Hello all,
>
> how can i define that an element may not be empty.
> Now I use:
>
> <xsd:simpleType name="nonEmptyString">
> <xsd:restriction base="xsd:string">
> <xsd:minLength value="1"/>
> </xsd:restriction>
> </xsd:simpleType>
That may not have the effect you expect -- it would allow
<a> </a>
for instance. But it's a reasonable approach. The other possible
route is to use a 'pattern' facet.
> Is there an attribute or a general rule to indicate the content of an
> element may not be empty ?
No.
ht
--
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
Half-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/
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Received on Tuesday, 2 September 2003 04:29:53 UTC