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Subject: RE: [wss] Binary & XML tokens

One more thing Jerry.  We could use an XML choice rather than substitution
groups.  We would still have the abstract class and elements in the choice
would derive from the abstract class.


-----Original Message-----
From: Jerry Schwarz [mailto:jerry.schwarz@oracle.com]
Sent: Thursday, May 01, 2003 3:52 PM
To: Don Flinn; WSS
Subject: Re: [wss] Binary & XML tokens

At 12:02 PM 5/1/2003, Don Flinn wrote:
>In looking at the Binary Security Tokens and XML Tokens in the core spec,
>seems to me that these are best described as abstract elements or types, in
>the XML schema sense. They, in effect, are not useful on their own, needing
>some other token element, as defined in the appropriate profiles, to make
>them useful, which is what an abstract element in XML schema is.  When an
>element or type is declared abstract, a member of the substitution group
>must appear in the instance document.

Sorry I'm pretty ignorant about schema's. What is the substitution group?

>  Which is what I believe is our
>intent.  Therefore, shouldn't these two types be abstract elements or types
>in the text and the schema?
>Donald Flinn
>Managing Partner
>Flint Security
>Phone: (781) 856-7230
>e-mail: flinn@alum.mit.edu
>Web Page: http://dflinn.home.attbi.com

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