Why namespaces?

[Tim Bray]

At 09:46 PM 8/31/99 +0200, Oren Ben-Kiki wrote:
>1. Unique naming - making sure that one can call "areElementsTheSame(name1,
>name2)".
>2. Grammar/Syntax/Structure constraints - "isDocumentValid(rootElement,
>DTD)", "addDefaultsToDocument(rootElement, DTD)".
>3. Semantics - doing whatever the application is for.
>
>I would like to think that the intention was for namespaces to live
>exclusively in level 1 (call it "lex"), DTDs/Schemas in level 2 (call it
>"yacc"), and level 3 is the application itself. 

Hey, very good.  I think this is an extremely accurate and deep statement
of how things ought to be. -Tim

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