[xsl] generate xpath expression in web links

Hello

Our web app needs to generate the XPath expression that uniquely
identifies a particular node, something like:

<a href="/project[1]/admin[3]/project-manager[5]/full-name[2]">Some
Name</a>

This is what I've come up with so far. 

===========================

<a><xsl:call-template name="generatePath"/><xsl:value-of
select="some-link"/></a>

<xsl:template name="generatePath">
        <xsl:attribute name="href">
                <xsl:for-each select="ancestor-or-self::*">
                        <xsl:text>/</xsl:text>
                        <xsl:value-of select="local-name(.)"/>
                        <xsl:text>[</xsl:text>
                        <xsl:value-of
select="count(preceding-sibling::*[local-name()=local-name(current())])+
1"/>
                        <xsl:text>]</xsl:text>
                </xsl:for-each>
        </xsl:attribute>
</xsl:template>

===========================

It works ok, but I just wanted to check to see if I was missing anything
to make it more efficient. I'm using xslt2.

Thanks, David

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