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RE: XML Schema: At Least One of X Elements Must Appear

• To: 'Ken Sall' <ken@s...>, "CHIUSANO, Joseph" <JCHIUSANO@l...>, xml-dev@l...
• Subject: RE: XML Schema: At Least One of X Elements Must Appear
• From: "CHIUSANO, Joseph" <JCHIUSANO@l...>
• Date: Sun, 18 Aug 2002 13:35:47 -0400
• Return-receipt-to: "CHIUSANO, Joseph" <JCHIUSANO@l...>

Not sure how use of a wildcard can help here....would you be willing to provide more specifics?

> **************************************************************************
>   Joseph M. Chiusano
>   Logistics Management Institute
>   2000 Corporate Ridge
>   McLean, VA 22102
>   Email: jchiusano@l...
>   Tel: 571.633.7722
> **************************************************************************
>

-----Original Message-----
From: Ken Sall [mailto:ken@s...]
Sent: Sunday, August 18, 2002 1:33 PM
To: CHIUSANO, Joseph; xml-dev@l...
Subject: Re: XML Schema: At Least One of X Elements Must
Appear

XML Schema: At Least One of X Elements Must AppearJoseph wrote> I am 99.9%
sure that there is no way to represent in XML Schema that "at least one of
the following X elements must appear in the XML document" - **am I
correct?**

How about:

         <xsd:any  minOccurs="0" maxOccurs="unbounded" > <!-- or 1 -->
          <!-- nest xsd:sequence or xsd:choice here -->
        </xsd:any>

- Ken Sall               kensall@c... or ken@s...
- XML Consultant/Author  http://mywebpages.comcast.net/kensall/
- XML Family of Specifications: A Practical Guide (just published)
- http://WDVL.Internet.com/Authoring/Languages/XML/XMLFamily/

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