dumb namespaces question

[Simon St.Laurent]

The end of section 2 of 'Namespaces in XML' saith:
>Namespace Constraint: Leading "XML"
>Prefixes beginning with the three-letter sequence x, m, l, in any case 
>combination, are reserved for use by XML and XML-related specifications. 

To me, that means that you can't start your own namespaces using xml or
whatever.  However, it isn't clear what this means for namespace processing
with xml:space and xml:lang.  There is no declared namespace for these
lucky attribute values.

Do we simply not need one, or do documents that use them have a problem
with namespaces?

Simon St.Laurent
XML: A Primer (2nd Ed - September)
Building XML Applications
Inside XML DTDs: Scientific and Technical
Sharing Bandwidth / Cookies
http://www.simonstl.com

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