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Re: When To Use Schemas (Was RE: infinite depth to namespaces)

"Bullard, Claude L (Len)" wrote:

> Or read the lastest article from John Simpson
> http://www.xml.com/pub/a/2001/08/29/nobodyasked.html
> and see if you agree with his conclusion that DTDs,
> Schemas, etc (that is, validation) does more damage
> than good to XML.

I think it depends on the data - I'm inclined to steer clear of general
rules. Given the question though (I'm designing my own simple XML
vocabulary, but I don't understand either DTDs or XML Schema. What can I
do?), I don't think that validation necessarily even enters the
equation. A DTD is a very useful aid to designing and maintaining an XML
vocabulary, regardless of whether it is subsequently used for
validation. Perhaps John should have asked himself a slightly different


Marcus Carr                      email:  mrc@allette.com.au
Allette Systems (Australia)      www:    http://www.allette.com.au
"Everything should be made as simple as possible, but not simpler."
       - Einstein