RE: XML Schema/XSL conflict (can't differentiate unqua

> PLEASE PLEASE TELL ME. What is it about namespaces that people don't
> understand.

I think namespaces are intrinsically very confusing.

(1) people don't understand that there is no "resource" that the URI
identifies

(2) people don't understand why the rules are different for elements and
attributes

(3) people don't understand whether or not prefixes are supposed to be
significant

(4) people don't understand the arbitrariness of some of the rules, e.g.
that the default namespace can go out of scope for descendants but an
explicit namespace can't

(5) people don't understand the difference between namespace nodes and
namespace declarations

(6) people don't understand the difference between namespace declarations
and attributes

In my view, namespaces are a disastrously bad piece of design, almost as bad
as DTDs. All these confusions derive directly from the decision to add a
fundamental architectural feature to XML as a "bolt-on extra", which is
almost always bad software engineering.

Mike Kay


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