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Re: Use of xml:lang

From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
Date: 05 May 2000 09:07:59 +0100
To: Jane Hunter <jane@dstc.edu.au>
Cc: www-xml-schema-comments@w3.org
Message-ID: <f5b3dnxzag0.fsf@cogsci.ed.ac.uk>
Jane Hunter <jane@dstc.edu.au> writes:

> We're using XML Schema within MPEG-7 to define descriptions of audiovisual 
> cotent. Certain descriptive elements have a language attribute. For 
> consistency, we'd like to use the xml:lang attribute.
> 
> Does this need to be declared like any other attribute for the elements to 
> which it applies? For example:
> 
> <complexType name="FrameAnnotation">
>      <element name="Who" type="string" minOccurs="0"/>
>      <element name="What" type="string" minOccurs="0"/>
> ....
>      <attribute ref="xml:lang"/>
> </complexType>
>      
> I assume that we also need to import the xml namespace?
> If so, where is this located?

There is an example of this in the schema for schemas [1] itself, which
also uses xml:lang.

Short answer, it's at the XML namespace URI,
i.e. http://www.w3.org/XML/1998/namespace

ht

[1] http://www.w3.org/1999/XMLSchema.xsd
-- 
  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, 5 May 2000 04:19:01 UTC

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