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   RE: [xml-dev] Elements vs. attributes was: Are people really usi ng Ide

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Umm.. not my post.   It's a post I replied to.  I understand 
dynamic late bound systems.


From: w3c@drrw.info [mailto:w3c@drrw.info]


You did indeed get the address idea right.  CAM allows you to customize the
layouts and tags to the local community - while retaining references to the
global dictionary definitions.  This is much cleaner than namespaces BTW.

Quoting "Bullard, Claude L (Len)" <len.bullard@intergraph.com>:

But the flexibility of XML is that it can be heterogenous. . . and how to
understand when you will get what structure is the purpose of attributes. .
. so the more context sensitive XML modeler (who understands the
requirements first) might use:

<address country="us">
    <street />
    <city />
    <state />
     <zipCode />

for US address, and the the following for UK addresses:

<address country="uk">
   <buildingName />
   <street />
   <city />
   <postalCode />

I am not aware of a way to use Schema to enforce a substructure based on a
value in an attribute, but from the short look at CAM that I have done, this
seems to be exactly what it was designed to do. . . combine snippets of
variants together into a complete document that is very context aware.
David, did I get that right?


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