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RE: The purpose of a namespace URI is ...

• From: "Costello, Roger L." <costello@mitre.org>
• To: "xml-dev@lists.xml.org" <xml-dev@lists.xml.org>
• Date: Fri, 30 Nov 2012 16:40:12 +0000

Hello David,

> The local part in that case is not referring to markup or an XML
> vocabulary at all, it is just the identifier of an error, the identifier
> is almost never used in XML markup.

So,

    {http://www.w3.org/2005/xqt-errors} FOER0001
    {http://www.w3.org/2005/xqt-errors} FOER0002
    {http://www.w3.org/2005/xqt-errors} FOER0003
    ...

is not an XML vocabulary but,

    {http://www.bookstore.org}BookStore
    {http://www.bookstore.org}Book
    {http://www.bookstore.org}Author
    ...

is an XML vocabulary?

Why?

What distinguishes them that allows me to know this?

So the first set of xs:QNames is not an XML vocabulary but the second set of xs:QNames is an XML vocabulary?

Why?

I thought that -- by definition -- an XML vocabulary is a set of xs:QNames, where each local part has the same namespace URI part.

No?

/Roger 

• Follow-Ups:
  • Re: The purpose of a namespace URI is ...
    • From: David Carlisle <davidc@nag.co.uk>
  • RE: The purpose of a namespace URI is ...
    • From: "G. Ken Holman" <gkholman@CraneSoftwrights.com>
  • Re: The purpose of a namespace URI is ...
    • From: Mike Sokolov <sokolov@ifactory.com>

• References:
  • The purpose of a namespace URI is ...
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: The purpose of a namespace URI is ...
    • From: "G. Ken Holman" <gkholman@CraneSoftwrights.com>
  • RE: The purpose of a namespace URI is ...
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: The purpose of a namespace URI is ...
    • From: David Carlisle <davidc@nag.co.uk>