URL: 19 Short Questions about Namespaces (with Answers)

Tim Bray tbray at textuality.com
Mon Feb 8 22:58:15 GMT 1999

At 05:06 PM 2/8/99 -0500, David Megginson wrote:
>In response to several private requests, I've recast my posting into a 
>simple HTML page at the following location:

David, this is a terrific piece of work.  One of your answers makes
me nervous:

 [Q] What is the name of the third attribute in the example above? 
 [A] The name is xmlns:z from the XML 1.0 perspective; from the Namespaces 
     perspective, this attribute is a declaration. 

Somehow the part beginning "... from the Namespaces perspective" feels 
a bit like the question is being dodged: I'm spinning my wheels a bit 
in trying to suggest something better.  The point that's not being made 
is that in a namespace-aware system, the xmlns:z attribute is 
possibly just not there.  For example (I just checked) if you use
expat and enable namespace processing, you just don't see the
xmlns attributes - I don't think this is compulsory, but it also
isn't surprising.  I'll try to think this over some more, but somehow

[Q] What's it's name?
[A] It's a declaration.

doesn't quite feel satisfying. -Tim

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