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RE: content model question

• To: Tom Gaven <tgaven@v...>
• Subject: RE: content model question
• From: "Morgan V. Cundiff" <mcundiff@l...>
• Date: Fri, 5 Apr 2002 13:37:47 -0500 (EST)
• Cc: xml-dev@l...
• In-reply-to: <0F2CAC9B4992034284BE6673FC09F45B05F332@v...>

Thanks for your reply. I was afraid this might be the case. (It is a given
that our project will use XML Schema and not one of the alternatives.)

Morgan



On Fri, 5 Apr 2002, Tom Gaven wrote:

> Morgan, 
>    I don't think XML Schema schemas can constrain text this way. I believe XML Schema is similar
> to DTD 'mixed content' in this regards.  However, RELAX NG does have this capability:
> 
> This RELAX NG schema: (compact syntax)
> 
> start = myelement
> myelement = element myelement { text, mysubelement1, mysubelement2 }
> mysubelement1 = element mysubelement1 { text }
> mysubelement2 = element mysubelement2 { text }
> 
> should validate your document, and only allow 'text' prior to element mysubelementt.
> 
> tom
> 
> -----Original Message-----
> From: Morgan V. Cundiff [mailto:mcundiff@l...]
> Sent: Friday, April 05, 2002 11:57 AM
> To: xml-dev@l...
> Subject:  content model question
> 
> 
> 
> Is is possible to create an XML Schema content model for an element
> containing mixed content (i.e. text and subelements) and to also specify
> the sequence of the text and the subelements? For example an instance
> might look like this:
> 
> <myelement>textblob
> <mysubelement1>textblob1</mysubelement1>
> <mysubelement2>textblob2</mysubelement2>
> </myelement>
> 
> The goal is to constrain the content of <myelement> so that the textblob
> must occur first and then be followed by <mysubelement1> and
> <mysubelement2>
> 
> Thank you for your help.
> 
> Morgan Cundiff
> Library of Congress
> 
> 
> 
> 
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