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- From: Joshua Allen <joshuaa@microsoft.com>
- To: 'Pamela Rais' <pamela.rais@tridion.com>,"'xml-dev@lists.xml.org'" <xml-dev@lists.xml.org>
- Date: Tue, 11 Jul 2000 12:53:13 -0700
Title: Different schemas....
XML-Data was a first attempt at doing this, before the
XML-Schema
effort
took off. Since MS wants to fully support XML-Schema
when
it is
ratified, XDR was developed as a simplified XML-Data that
will
be
easy to migrate to XML-Data. I think of XDR as the
lowest
common
denominator of schema that you can use today if you
need
to ship products right away.
One
other benefit of XDR, the spec is incredibly simple; you
can
probably read and understand it in 30 min. XML-Schema
will
do everything that XDR can do and more. You will not
lose
any
work when you move from bare-bones XDR to the much
richer
XML-Schema. In fact, converting from XDR to XSD can
be
done automatically with just an XSLT stylesheet.
Of
course, right now your best options will depend on whatever
your
parser supports for validation. One fairly cool utility
is
Which
will do XML structure validation in a unique way,
and is
not dependent on any particular parser (it works
atop
XSLT).
For
the XDR spec, check out:
-----Original Message-----
From:
Pamela Rais [mailto:pamela.rais@tridion.com]
Sent: Tuesday, July 11,
2000 6:30 AM
To: 'xml-dev@lists.xml.org'
Subject: Different
schemas....
I see that Microsoft has Msxml 2.0 with Schema
support which I think I understand correctly to be a slight deviation from the
actual w3c proposal. What does this mean to developers who want to do early
implementations?
Of the few schemas I've seen... there are
references to both w3c and Microsoft datatypes in their schema attributes or
sometimes references to only MS data + datatypes and not w3c. Which is
correct/common/good practise? Does the MS datatype schema do something that
the w3c's can't?
Are there other such deviations from the Schema
proposal out there?
If so, what are
they?
I'd appreciate any info that can enlighten me. I'm
making the jump from SGML/DTD's and it seems quite daunting.
Regards,
Pamela
Rais
pamela.rais@tridion.com
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