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Re: choice, sequence, all: 'easy' XML Schema question

• To: John Graybeal <graybeal@m...>
• Subject: Re: choice, sequence, all: 'easy' XML Schema question
• From: Bob Foster <bob@o...>
• Date: Wed, 16 Feb 2005 09:53:54 -0800
• Cc: xml-dev@l...
• In-reply-to: <p06020406be3929f8cd23@[134.89.13.14]>
• References: <p06020406be3929f8cd23@[134.89.13.14]>
• User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041217

John Graybeal wrote:
> We are writing XML of the form:
> 
> <element>
>    <required_element/>
>    <optional_element1/>
>    <optional_element2/>
> </element>
> 
> We would like to specify (for example), that there can be only one of required_element, only one of optional_element1, but as many as desired of optional_element2.  Plus, we would like to be able to specify the elements in any order.

Since David brought it up ;-} the RELAX NG compact syntax solution would be:

required_element & optional_element1? & optional_element2*

Bob Foster

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    • From: John Graybeal <graybeal@m...>

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