Re: [xsl] How to allow element to appear 0, or 2 or more times (but not once)?

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

Mike,

At 09:01 AM 7/31/2008, you wrote:
> I have a working schema for data that we use, and want to expand it to
> do more checking on the XML elements.
>
> We have a particular data element, say <FM>, that is not required to
> appear in our data, but if it does, it must appear at least twice, and
> possibly more.
>
> That is, I want to detect a singular occurrence of <FM> during file
> validation.
>
> There are other sibling elements along with <FM>.
>
> Can this be done, and can it be done with the schema itself, or with
> uniqueness constraints, or???

Yes, it can certainly be done. Depending on details you haven't given 
us (what it mixes with), mainstream schema technologies can generally 
do it without fuss.

> I'm using Oxygen 9.1 and XSLT 2.0.

Unfortunately, unless you're using XSLT to do it, the question of how 
to do it is not in scope for this list.

Cheers,
Wendell


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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.                http://www.mulberrytech.com
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