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   Re: [xml-dev] XML Schema: nillable vs. minOccurs

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Brian Speight scripsit:

> I'm looking for advice on usage of nillable vs. minOccurs. When you
> have an element that is optional should you use "nillable=true" or
> "minOccurs=0" or both? Using both seems to make things more complicated
> than necessary.

They mean two different things.  For a truly optional element, one that is
allowed to be absent altogether, minoccurs="0" is what you want.  Nillable
means that the element can be present without its normal content, provided
that xsi:nil="true" is one of its attributes.

Do NOT stray from the path!             John Cowan <jcowan@reutershealth.com>
        --Gandalf                       http://www.ccil.org/~cowan


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