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RE: Namespaces, W3C XML Schema (was Re: ANN: SAX Filters for NamespacePr

• From: "Bullard, Claude L (Len)" <clbullar@i...>
• To: "Champion, Mike" <Mike.Champion@S...>,Xml-Dev <xml-dev@l...>
• Date: Tue, 21 Aug 2001 13:46:37 -0500

And once you have the answer to how much validation is possible, 
you have to know where and when that is possible.  For example,  
does a handheld have the resources needed to use XML Schema 
validation?

Schemas are a lynchpin of services as I understand them.  If so, 
how and where to apply them and where the environment 
enables them to be applied is good stuff to know before one 
sits down to build a cell phone app.  For instance, can anyone 
tell me which devices support IE5.5 and which require me to 
default to less powerful frameworks?   Is it a good idea 
to rely on Schemas for field level validation (say when 
tabbing out of the field (no, but it's an interesting question))? 

Even better... Schematron assertions or fieldNameValue=this code?

Len 
http://www.mp3.com/LenBullard

Ekam sat.h, Vipraah bahudhaa vadanti.
Daamyata. Datta. Dayadhvam.h


-----Original Message-----
From: Champion, Mike [mailto:Mike.Champion@S...]


> -----Original Message-----
> From: Elliotte Rusty Harold [mailto:elharo@m...]

> I am concerned that the theoretical use of schemas for typing 
> is overriding their practical use for constraint checking. 
> Very few people are actually using schemas for typing. 
> Instead they're being used for validation. 

YES!!! 

You ought to use this as the Quote of the Day on Cafe con Leche <grin> 

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