Re: Query re XMLSpy XPath engine

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Subject: Re: Query re XMLSpy XPath engine
From: Elliotte Rusty Harold <elharo@xxxxxxxxxxxxxxx>
Date: Mon, 22 Jul 2002 11:51:25 -0400

At 8:21 AM -0700 7/22/02, Dimitre Novatchev wrote:

 > At 1:23 PM +1000 7/22/02, Michael Leditschke wrote:
 >
 > I have the following document
 >
 > <root xmlns:html="http://www.w3.org/1999/xhtml";
 > xmlns="http://www.a.com";>
 >   <hr xmlns="http://www.w3.org/1999/xhtml"/>
 > </root>

As the "html" prefix is specified on the top element of the xml
docoment, the evaluation of "//html:hr" must be return the element:

<hr xmlns="http://www.w3.org/1999/xhtml"/>

No, not necessarily. The XPath expression does not occur in the XML document being queried. Thus the namespace bindings from the source document do not apply to the XPath expression. We do not know in what context the XPath expression at issue does appear (an XPointer? and XSLT stylesheet? a W3C XML Schema? a Schematron schema? something else). Thus we do not know which namespace bindings are in scope for the XPath expression. We should not assume they are the same as in the source document itself. --

+-----------------------+------------------------+-------------------+
| Elliotte Rusty Harold | elharo@xxxxxxxxxxxxxxx | Writer/Programmer |
+-----------------------+------------------------+-------------------+
|          XML in a  Nutshell, 2nd Edition (O'Reilly, 2002)          |
|              http://www.cafeconleche.org/books/xian2/              |
|  http://www.amazon.com/exec/obidos/ISBN%3D0596002920/cafeaulaitA/  |
+----------------------------------+---------------------------------+
|  Read Cafe au Lait for Java News:  http://www.cafeaulait.org/      |
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Current Thread

Re: Query re XMLSpy XPath engine
- Dimitre Novatchev - Mon, 22 Jul 2002 00:35:27 -0400 (EDT)
  - Michael Leditschke - Mon, 22 Jul 2002 06:06:36 -0400 (EDT)
  - <Possible follow-ups>
  - Dimitre Novatchev - Mon, 22 Jul 2002 11:21:48 -0400 (EDT)
    - Elliotte Rusty Harold - Mon, 22 Jul 2002 11:55:52 -0400 (EDT) <=
  - Dimitre Novatchev - Mon, 22 Jul 2002 16:29:04 -0400 (EDT)
    - Michael Leditschke - Mon, 22 Jul 2002 22:07:02 -0400 (EDT)

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