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https://issues.apache.org/jira/browse/XALANJ-2411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12538121
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Christine Li commented on XALANJ-2411:
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The patch looks good to me.
> XSLTC creates namespace nodes when it could re-use existing ones in scope.
> --------------------------------------------------------------------------
>
> Key: XALANJ-2411
> URL: https://issues.apache.org/jira/browse/XALANJ-2411
> Project: XalanJ2
> Issue Type: Bug
> Affects Versions: The Latest Development Code, 2.7.1
> Reporter: Brian Minchau
> Assignee: Brian Minchau
> Attachments: xalanj-2411.patch2.txt
>
>
> XSLTC creates extra namespace nodes, mapping ns0, ns1 ... to URIs when an
> existing namespace mapping is
> in scope and its prefix could be used (or the default namespace could be
> used).
> Here is a stylesheet showing the problem:
> <?xml version="1.0" encoding="UTF-8"?>
> <!-- bug.xsl -->
> <xsl:stylesheet version="1.0"
> xmlns="http://uri1";
> xmlns:prfx2='http://uri2'
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> <xsl:output method="xml" indent="yes" />
> <xsl:template match="/">
> <out2>
> <xsl:call-template name="makeElement1">
> <xsl:with-param name="tagName" select="'elemName1'" />
> </xsl:call-template>
>
> <xsl:call-template name="makeElement2">
> <xsl:with-param name="tagName" select="'elemName2'" />
> </xsl:call-template>
>
> <xsl:call-template name="makeElement3">
> <xsl:with-param name="tagName" select="'elemName3'" />
> </xsl:call-template>
> </out2>
> </xsl:template>
>
> <xsl:template name="makeElement1">
> <xsl:param name="tagName"/>
> <xsl:element name="{$tagName}" namespace='http://uri1'/>
> </xsl:template>
>
> <xsl:template name="makeElement2">
> <xsl:param name="tagName"/>
> <xsl:element name="{$tagName}" namespace='http://uri2'/>
> </xsl:template>
>
> <xsl:template name="makeElement3">
> <xsl:param name="tagName"/>
> <xsl:element name="{$tagName}" namespace='http://uri3'/>
> </xsl:template>
>
> </xsl:stylesheet>
> When run with any XML input, or this one, bug.xml:
> <?xml version="1.0" encoding="UTF-8"?><doc/>
> Using say the process command:
> java org.apache.xalan.xslt.Process -XSLTC -IN bug.xml -XSL bug.xsl
> The output is this:
> <?xml version="1.0" encoding="UTF-8"?><out2 xmlns:prfx2="http://uri2";
> xmlns="http://uri1";>
> <ns0:elemName1 xmlns:ns0="http://uri1"/>
> <ns1:elemName2 xmlns:ns1="http://uri2"/>
> <ns2:elemName3 xmlns:ns2="http://uri3"/>
> </out2>
> The output should be:
> <?xml version="1.0" encoding="UTF-8"?><out2 xmlns:prfx2="http://uri2";
> xmlns="http://uri1";>
> <elemName1/>
> <elemName2 xmlns="http://uri2"/>
> <elemName3 xmlns="http://uri3"/>
> </out2>
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