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Re: Query re XMLSpy XPath engine

Subject: Re: Query re XMLSpy XPath engine
From: Elliotte Rusty Harold <elharo@xxxxxxxxxxxxxxx>
Date: Mon, 22 Jul 2002 10:17:57 -0400
xmlspy xpath java
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>

Using the inbuilt XPath engine in XMLSpy 4.4, I
issue the following XPath query

//hr

It returns the hr element.

If I try

//html:hr

nothing is returned.

This seems the wrong way around to me. Have
I missed something?


Yes. Your hr element is in the http://www.a.com namespace, not the http://www.w3.org/1999/xhtml namespace. So ion the second case XMLSpy is correct.


However, in the first case, XMLSpy is incorrect. //hr requests an hr element in no namespace because the default namespace never applies in an XPath expression. Thus, //hr should return an empty node-set.
--


+-----------------------+------------------------+-------------------+
| 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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