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Re: What does "optional" mean?

• From: Mukul Gandhi <gandhi.mukul@gmail.com>
• To: John Cowan <cowan@mercury.ccil.org>
• Date: Mon, 27 Feb 2012 15:45:19 +0530

On Mon, Feb 27, 2012 at 1:55 AM, John Cowan <cowan@mercury.ccil.org> wrote:
> That is indeed an XSD 1.0 limitation.  It does not apply to RNG, where
> representing a choice between an element and an attribute is trivial.
> I don't know if it applies to XSD 1.1 or not.

I think, with XSD 1.1 the choice between an element and an attribute
is now possible (you're right, that with XSD 1.0 this wasn't
possible).

> There is a more general point: it's not always possible in any schema
> language to represent the exact specification, and applications may need
> to do further validation of the input.

I agree.



-- 
Regards,
Mukul Gandhi

• References:
  • What does "optional" mean?
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: What does "optional" mean?
    • From: Mukul Gandhi <gandhi.mukul@gmail.com>
  • Re: What does "optional" mean?
    • From: John Cowan <cowan@mercury.ccil.org>