[xsl] for-each loop in node set variable gives error

Hello List,
          My stylesheet contains following
declarations

declaration 1:
<xsl:variable name="employeeList">
	<xsl:for-each select="//employee/*[name()!='max']">
		<xsl:if test="count(key('employee', @id))=0">
			<xsl:copy>
				<xsl:copy-of
select="property[@name='cast']/@val"/>
				<xsl:copy-of select="@name"/>
				<xsl:copy-of select="property[@name='language']"/>
			</xsl:copy>
		</xsl:if>
	</xsl:for-each>
</xsl:variable>

declaration 2:
<xsl:variable name="generatedEmployees">
	<xsl:for-each select="$employeeList/*">
		<xsl:sort select="@val"/>
		<xsl:copy-of select="."/>
	</xsl:for-each>
</xsl:variable>

for-each loop for $employeeList/* in declaration 2
gives error. I don't understand why it gives error.
Any clue?

regards,
Ranjan


		
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