Removing nodes that have duplicate names

I have an xml tree which looks like the following. I want
to copy the source tree to a result tree minus certain
nodes. However some node names are duplicated:

<dupnode>
	<zzz>
</dupnode>
<aaa>
	<bbb>
		<ccc>
			blah...
		</ccc>
		<dupnode>
			blah...
		</dupnode>
	</bbb>
<aaa>


I want to remove the <dupnode> which is located
at the root but _not_ the one under aaa::bbb. 

This xsl removes all <dupnode>s. How do I remove
only the <dupnode> at the root?

Can a template directive say 'match <this> andparent node = root'?

My xsl looks like:

<xsl:template match='/'>
<xsl:apply-templates/>
</xsl:template>

<xsl:template match='dupnode'/>

<xsl:template match='@* | node()'>
<xsl:copy>
<xsl:apply-templates select='@* | node()'/>
</xsl:copy>
</xsl:template>


-Phil



**************************
*
* Phil Servedio
* Fast Track Systems
* 32 Ross Common, Suite 230
* Ross CA, 94957-0870
* 415-464-8980 x212 (w)
* 415-203-4249 (c)
* pservedio@xxxxxxxxxxxxxx
* 
**************************

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