Looking at your input... have you considered using a key? Like so:
<xsl:key name="ns2:Element2" match="ns2:Element2" use="."/>
...
<!-- the result of the key() will be a node-set containing the
ns2:Element2 elements -->
<xsl:for-each select="key('ns2:Element2',
$param1/ns1:Element1/ns1:Element2)">
<ns3:Element2>
<xsl:value-of select="."/>
</ns3:Element2>
</xsl:for-each>
When you feed in a node-set to the second parameter of key(), it returns
a node-set that is equivalent to the result of calling key() on each
node in that node-set. Which would be the same as what you're doing here
- creating a ns3 copy of every node with an equal value between
ns1:Element2 and ns2:Element2.
~ Scott
-----Original Message-----
From: Fernando Ribeiro
[mailto:webmaster(_at_)fernandoribeiro(_dot_)eti(_dot_)br]
Sent: Monday, November 26, 2007 9:06 AM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] Predicate Evaluation
Humm, my mistake. I was trying to select a ns2:Element2 element which
value is equal to the value of a ns1:Element2 element, instead. What
would be the right expression to do so? Thanks.
...
These are the inputs:
<ns1:Element1 xmlns:ns1="urn:ns1">
<ns1:Element2>Test</ns1:Element2>
</ns1:Element1>
<ns2:Element1 xmlns:ns2="urn:ns2">
<ns2:Element2 attribute1="value1">Test</ns2:Element2>
<ns2:Element3>value1</ns3:Element3>
</ns2:Element1>
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