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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Re: URIs, concrete (was Re: Un-ask the question)
W. E. Perry wrote:
> Tim Bray wrote:
> > [...] The
> > document's recommendation to "treat unqualified attributes as being in
> > the namespace of the element that contains them" is just wrong, will lead
> > to poor interoperability, and should not be followed.
>
> But what does it mean, really, for an attribute to be 'in a namespace',
> separate from that attribute appearing (or being declared in an ATTLIST as)
> within the scope of a particular element?
That's the traditional SGML notion of what it means
to be "in a namespace". In "Namespaces in XML" however,
"X is in namespace Y" is completely equivalent to
"The namespace name of X is Y".
The definition in Section 1 of [XMLNS], "An _XML namespace_
is a collection of names, identified by a URI reference"
is a red herring. The collection of names thus identified
is simply the set of names which have that URI as the namespace
name. For instance, in
<xsl:foo xmlns:xsl="http://www.w3.org/1999/XSL/Transform" />
the 'xsl:foo' element is every bit as much "in" the XSL namespace
as 'xsl:stylesheet' and 'xsl:for-each' are.
--Joe English
jenglish@f...
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