• To: xml-dev@l...
• Subject: Re: Who can implement W3C XML Schema ?
• From: "Thomas B. Passin" <tpassin@c...>
• Date: Wed, 20 Mar 2002 21:28:29 -0500
• References: <000c01c1d03d$e8df3810$655169d5@pcukmka><3C98DA5B.60500@d...>

[Eric van der Vlist]

> Michael Kay wrote:
>
> > Yes. I think Schema has definitely fallen into the trap of being too
formal.
>
> Yes and no... W3C XML Schema is probably right in the middle between
> prose and pseudo-code and that's a very bad place to sit.
>
> If it was like XML and XSLT an informal prose it would be readable by
> humans. If it was pseudo code it would be readable by computers; non
> optimized reference implementations, automated test suites would be
> pieces of cake and its completude and non ambiguity could be proven.
> Sitting in the middle, it's hardly understandable by humans and not
> understandable at all by computers :( ...
>
> I think that the original idea was cool but that the complexity of the
> spec and number of iterations has transformed it into something hardly
> useable.
>
> And furthermore, it's still ambigous!
>

Yes, and that's after Henry put in all that work improving its readability.
He accomplished a lot and it's still a bear.

Cheers,

Tom P

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