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   Re: [xml-dev] XML Schema newbie - are multiple unordered children occurr

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On 12/2/2003, "Amelia A Lewis" <amyzing@talsever.com> wrote:

>A joke, maybe?
>
>On Tue, Dec 02, 2003 at 10:42:49AM -0700, Bryce K. Nielsen wrote:
>>Sure, no problem:
>>
>><xsd:element name="ParentNode">
>>  <xsd:complexType>
>>    <xsd:sequence maxOccurs="unbounded">
>>      <xsd:element minOccurs="0" maxOccurs="1" name="A"/>
>>      <xsd:element minOccurs="0" maxOccurs="1" name="B"/>
>>    </xsd:sequence>
>>  </xsd:complexType>
>></xsd:element>
>>
>>That should do it for you...
>
>Well, not particularly amusing, if so.  Absolutely does not fulfill the
>given requirements.
>
>DTD talk, the requirement is (A|B)*
>The above yields (A?,B?)
>
>Not the same.

You missed his maxOccurs="unbounded" on his xsd:sequence element. He's
describing (A?,B?)+ which probably does fulfill the requirement
(although your xsd:choice seems like a more "natural" choice for this
particular problem).

-- Jason




 

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