Others have pointed to teh immediate cause of teh error message, but if
you find yourself doing this:
<xsl:for-each select="distinct-values(//item/@racknum)">
<xsl:variable name="rack-num" select="."/>
<xsl:variable name="pocket-num" select="//item[./@racknum =
$rack-num and position() = last()]"/>
9 times out of 10 its easier (and probably more efficient) to do
<xsl:for-each-group select="//item" group-by="@racknum">
(also probably //item should just be item)
David
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