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Subject: Re: [emergency] RE: Question on EDXL-DE schema

On 20 Jan 2006, at 04:08, Ellis, David wrote:

> The ##other is an acceptable replacement for the ##any value  
> located in the any element following the xsd:choice element.  The  
> intent of this element in the EDXL-DE schema is to provide a  
> mechanism for signing our contentObjects.  The signing process  
> (refer to http://www.w3.org/TR/xmldsig-core/) uses a different  
> namespace than EDXL-DE.
My point has always been that if this is the *intent* of the element,  
then that is what we need to clearly
indicate in the spec. It is used for digital signatures - full stop.  
If we start to say that the *same* element can be use for  
'experimental extensions' then we will have problems in the future  
(guaranteed !)

The best option to make this explicit is to reference the W3C XML  
Digital Signature namespace.
All that is needed is to include the DigSig namespace at the top of  
the EDXL Schema:


and in the ContentObjectType, put a reference to the DigSig Signature  

   <xsd:element ref="ds:Signature" minOccurs="0"/>

Cheers...  Renato Iannella
National ICT Australia (NICTA)

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