[xsl] using xsl to check for duplicate elements

[Pankaj Jain <pjain@xxxxxxxxxxx>]

Hi all, 
Is there a way to check an XML file for duplicate elements and eliminate the
second one?  i.e. If I have the following XML:


<?xml version="1.0" standalone="yes">
<Instruments>
    <Equity>
        <ISSUE_ID>108558</ISSUE_ID>
        <RIC>IBM.N</RIC>
        <CTRY_ID>648</CTRY_ID>
        <EXCH_ID>224</EXCH_ID>
        <NAME>IBM</NAME>
        <EXCH_ID>224</EXCH_ID>
        <ISSUE_ID>108558</ISSUE_ID>
        <CTRY_ID>648</CTRY_ID>
    </Equity>
</Instruments>
        

What would I do in XSL to create a new XML file that looks like the
following:

<?xml version="1.0" standalone="yes">
<Instruments>
    <Equity>
        <ISSUE_ID>108558</ISSUE_ID>
        <RIC>IBM.N</RIC>
        <CTRY_ID>648</CTRY_ID>
        <EXCH_ID>224</EXCH_ID>
        <NAME>IBM</NAME>
    </Equity>
</Instruments>

Thanks
Pankaj

-----
Pankaj Jain


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