RE: extracting unique elements

>  >> Is there any easy way to select only the unique elements from
>  >> an xml document.
>  >
>  ><xsl:for-each select="//CUSTOMER[not(.=preceding::CUSTOMER)]">
>  ><xsl:value-of select="."/>
>  ></xsl:for-each>
> 
> Doesn't this require the CUSTOMER elements to be sorted?
> 
No. you're testing whether the value is the same as ANY preceding customer,
not just the immediately preceding customer. For the latter you would write:

select="//CUSTOMER[not(.=preceding::CUSTOMER[1])]"

MHK


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