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https://issues.apache.org/jira/browse/XALANJ-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brian Minchau closed XALANJ-2324.
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closing this issue.
> XPath function last() gives wrong result when select has a predicate
> --------------------------------------------------------------------
>
> Key: XALANJ-2324
> URL: https://issues.apache.org/jira/browse/XALANJ-2324
> Project: XalanJ2
> Issue Type: Bug
> Components: Xalan-interpretive, XPath-function
> Affects Versions: 2.7
> Reporter: Brian Minchau
> Fix For: 2.7.1
>
>
> Here is the testcase, the input XML is this:
> <?xml version="1.0" encoding="UTF-8"?>
> <project>
> <author>
> <firstname>Bugs</firstname>
> <initial>B</initial>
> <lastname>Gone</lastname>
> </author>
> </project>
> The stylesheet is this:
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> <xsl:output method="text" encoding="UTF-8"/>
>
> <xsl:template match="author">
> <xsl:for-each select='(child::*)[not(self::initial)]'>
> Child element <xsl:value-of select="position()"/>
> of <xsl:value-of select="last()"/>
> Element name: <xsl:value-of select="name()"/>
> </xsl:for-each>
> </xsl:template>
> </xsl:stylesheet>
> The current, and incorrect output is this:
> Child element 1
> of 3
> Element name: firstname
> Child element 2
> of 3
> Element name: lastname
> The selected elements are correct, but the last() function is returning 3
> rather than 2.
> If the for-each is changed to this:
> <xsl:for-each select='(child::*)[not(self::junk)]'>
> it iterates over the 3 children correctly (there is no child named 'junk' so
> the predicate does not reduce the sequence selected by (child::*), but in
> this case last() returns 4. In both cases one greater than it should.
> With no predicate things work fine.
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