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   Re: [xml-dev] Stupid Question (was RE: [xml-dev] XML doesn't deserve its

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Mike Champion  wrote:

> I was basically wondering why xsi:type isn't more widely used,
> in the context of Nicolas Lehunen's lament that the PSVI isn't
> widely supported.  Putting the type information in the instance
> would, in my "stupid" thinking, hit the 80:20 point by giving
> applications access to the type of an element without all sorts
> of currently unsupported voodoo.

I'm having a hard time envisioning a scenario where having
'xsi:type' would be useful to an application.

Suppose I'm a program.  If you hand me a piece of data and
tell me that it's an Integer, I still won't know what to
do with it.  Now I might be able to make some sense out
of a QUANTITY attribute on a LINEITEM element inside a
PURCHASEORDER, but in that case I'm already expecting it
to be an Integer.

--Joe English



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