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Variable Scoping

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$ cat test.xml 
<parent>
  <child/> 
</parent> 

$ cat test.xsl 
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                version="1.0"
                xmlns:data="any-uri" > 
  <xsl:template match="/" >
    <xsl:variable name="x">Outer</xsl:variable>
    <xsl:for-each select="*">
       <xsl:variable name="x">Inner</xsl:variable>
       <xsl:value-of select="$x" />
    </xsl:for-each> 
  </xsl:template>
</xsl:stylesheet> 

$ saxon test.xml test.xsl Error
processing source document At xsl:variable on line 8 of
file:/home/clark/test.xsl: Local variable x is already declared 

$ xt test.xml test.xsl
Inner

...

Which one is correct?

Clark


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