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Re: XSD spec question

• To: "xml-dev@l..." <xml-dev@l...>
• Subject: Re: XSD spec question
• From: Eric van der Vlist <vdv@d...>
• Date: Wed, 27 Apr 2005 20:50:36 +0200
• In-reply-to: <426F2A8C.7040206@m...>
• Organization: Dyomedea (http://dyomedea.com)
• References: <7A04A6A661C84648BD9BEB282F265B4901957998@N...> <426F2A8C.7040206@m...>

On mer, 2005-04-27 at 09:00 +0300, Razvan MIHAIU wrote:
> Ian Hunter wrote: 
> > ´The obvious question is why would you need attributes outside the
> > XML Schema specification?¡
> > 
> >  
> > 
> > <simpleType name="myName" xml:lang="en-US">
> >    . . .
> >   </simpleType>
> > 
> >  
> > 
> > 
>     This is a good example, but I am not concerned about this
> situation.
>     Let's suppose that you will use some attributes that will actually
> influence the validation performed with your Schema. Is that a good
> practice ? Is it widespread ? Currently, I never encoutered a project
> in which XML Schema is extended in this way.

This would be a very poor practice and that's forbidden by the WXS rec
that says that foreign attributes should be ignored as far as validation
is concerned.

The reason why these attributes are allowed is to provide additional
annotation facilities.

Eric 

-- 
Freelance consulting and training.
                                            http://dyomedea.com/english/
------------------------------------------------------------------------
Eric van der Vlist       http://xmlfr.org            http://dyomedea.com
(ISO) RELAX NG   ISBN:0-596-00421-4 http://oreilly.com/catalog/relax
(W3C) XML Schema ISBN:0-596-00252-1 http://oreilly.com/catalog/xmlschema
------------------------------------------------------------------------

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