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Re: Relative Namespaces

• From: Charles Reitzel <creitzel@m...>
• To: Matt Sergeant <matt@s...>
• Date: Thu, 15 Mar 2001 09:38:24 -0500

But the XML 1.0 spec does reserve all attribute names beginning with 'xml' (regardless of case).  Thus, the "xmlns:foo" attribute in an element in *no* namespace is illegal.

At 02:20 PM 3/15/01 +0000, Matt Sergeant wrote:
>On Thu, 15 Mar 2001, Martin Gudgin wrote:
>
>> > Also to clarify-- is Tim saying that the following is pointless because it
>> > equates to a prefixed name being treated as a non namespace name or is he
>> > saying that the document is in error wrt to namespaces because the prefix
>> > can not logically be resolved?
>> >
>> >   <foo:bar xmlns:foo="http://foo.com">
>> >     <foo:baz xmlns:foo=""/>
>> >   </foo:bar>
>>
>> The document is in error and most ( but not all :-) ) XML parsers would
>> throw an error of some kind.
>
>Not in my experience, but then those parsers might be incorrect... I see
>two statements that could be seen as conflicting:
>
>In the XML spec:
>
>  The Namespaces in XML Recommendation [XML Names] assigns a meaning to
>  names containing colon characters. Therefore, authors should not use the
>  colon in XML names except for namespace purposes, but XML processors
>  must accept the colon as a name character.
>
>So assuming there is no foo prefix in scope in the above, the processor
>must accept the colon anyway?
>
>But then in the namespaces spec:
>
>  The Prefix provides the namespace prefix part of the qualified name, and
>  must be associated with a namespace URI reference in a namespace
>  declaration.
>
>Two possibly conflicting uses of "must" ?
>
>Expat and Gnome's libxml both accept the above document, FWIW.
>
>-- 
><Matt/>
>
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>   //||    **  AxKit.com Ltd   **  ** XML Application Serving **
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take it easy,
Charles Reitzel

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