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Re: help in processing compositor's in XML Schema?

xml schema choice compositor
[CHIUSANO, Joseph]

> You can accomplish this with model groups. You can create one model group
> hold the "header" elements, and one to hold the "child" elements (both
> be declared globally). Within each model group, specify the "choice"
> compositor to avoid having order enforced. For example:
> <xsd:group name="HeaderElementGroup">
>      <xsd:all>
>           <xsd:element name="header1" type="[sometype]">
>           <xsd:element name="header2" type="[sometype]">
>           <xsd:element name="header2" type="[sometype]">
>      </xsd:all>
> </xsd:group>

Maybe, but it depends on the cardinality that Bill needs.  If he needs
exactly one of each but wants them to be unordered, I don't think you can do
that with XML Schema, even with "choice" model groups (because you can't
require exactly one of each).  Schematron can do it nicely, though.


Tom P


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