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[wlug] XML Schema Help

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Joseph Gibbs joefish@m...
Thu Apr 28 22:35:20 NZST 2005


I'm writing an XML schema for a uni assingment. I have this thing pretty much 
down, except for one thing. I'm referring to this document entitled "Global 
versus local" ( According to 
that document, and for my requirements, I can take two approaches to this. I 
can write things in a "Salami Slice Design" or a "Venetian Blind Design".

Obviously a "which way should I design this" question comes down to how I'll 
be using my schema, it's purpose etc. From the URL above:

"[1] The Venetian Blind design is the one to choose where your schemas require 
the flexibility to turn namespace exposure on or off with a simple switch, 
and where component reuse is important.

[2] Where your task requires that you make available to instance document 
authors the option to use element substitution, then use the Salami Slice 

I'm not trying to ask "how do I do my assignment", my questions are: What is 
"namespace exposure", and why does it matter?, and, what is an "instance 
document" and "element substitution"?


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