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The first thing I thought about it is that it's a great idea that I've
contemplated the feasibility of implementing myself. Thanks for doing
this.
The second thing I thought (after looking at the proposal) is that you
seem to be attempting to replicate many of the bad ideas from W3C XML
Schema. This is unfortunate. I like the fact that you have thought about
what it means to specify casting rules but I am wary about the ability
to create type hierarchies.
--
PITHY WORDS OF WISDOM
If putting your nose into other people's business doesn't work; try
putting your heart into their problems.
This posting is provided "AS IS" with no warranties, and confers no
rights.
> -----Original Message-----
> From: Jeni Tennison [mailto:jeni@jenitennison.com]
> Sent: Thursday, July 17, 2003 12:27 PM
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] Defining non-WXS datatypes
>
> A little while ago, Rick Jelliffe issued the challenge:
> > Personally, I think it is high time for people who don't
> like the W3C
> > datatypes to band together to make a concrete alternative.
>
> I thought I'd spend a little time on this, so I've put
> together a "datatype library language". The idea is that
> applications such as RELAX NG validators or XPath 2.0
> processors could read in a document in this language and use
> it to construct a datatype library or set of in-scope type
> definitions.
>
> Note that this isn't a proposed datatype library -- it's not
> a replacement for the XML Schema datatypes -- rather, it's a
> language that enables users to create declarative definitions
> of the datatype libraries that they need.
>
> A description of the language itself and a proof-of-concept
> implementation are available from:
>
> http://www.jenitennison.com/datatypes
>
> I think it's at a stage where it's complete enough to be
> worth discussing but not so complete that it's not worth
> discussing. In other words, I invite comments!
>
> Cheers,
>
> Jeni
>
> ---
> Jeni Tennison
> http://www.jenitennison.com/
>
>
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