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RE: The use of XML syntax in XML Query

• To: "'Julian Reschke'" <julian.reschke@g...>,"'Jonathan Robie'" <jonathan.robie@s...>,"'Evan Lenz'" <elenz@x...>,"'David Carlisle'" <davidc@n...>
• Subject: RE: The use of XML syntax in XML Query
• From: "Michael Kay" <michael.h.kay@n...>
• Date: Fri, 4 Jan 2002 16:41:43 -0000
• Cc: <xml-dev@l...>
• Importance: Normal
• In-reply-to: <JIEGINCHMLABHJBIGKBCOENGDLAA.julian.reschke@g...>
• Reply-to: <michael.h.kay@n...>

> >
> > I tried to use vocabulary consistent with XPath 1.0:
> >
> > "Some types of nodes also have names. XPath fully supports
> XML Namespaces
> > [XML Names]. Thus, the name of a node is modeled as a pair
> > consisting of a
> > local part and a possibly null namespace URI; this is called an
> > expanded-name."
>
> OK, so it's not your fault :-) It's still wrong I think and
> should be fixed in the new XPath spec.

I think the XPath/XQuery data model avoids using the InfoSet term "namespace
name", because in the XPath/XQuery model, the name of a namespace node is
actually the namespace prefix. This is justified because you can have two
namespace nodes with the same namespace URI, but you can't have two (on the
same element) with the same prefix. The term "namespace URI" is also aligned
with common usage.

Mike Kay

• References:
  • RE: The use of XML syntax in XML Query
    • From: "Julian Reschke" <julian.reschke@g...>

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