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grouping by unique...

Subject: grouping by unique...
From: "Fei Zheng" <Fei.Zheng@xxxxxxx>
Date: Tue, 17 Jun 2003 16:49:55 -0400
xsl unique grouping
I'd like to have an unique solution list.  Anyone can tell what's wrong with the following code which gives all solutions instead of the unique solutions?

The output needs to be: A B C D instead of A A B B C D. 

Thanks in advance for the help!

Here is the code.
<xsl:template match="report">
	<xsl:variable name="unique-solutions" 
    	      select="item[not(metadata/solution = preceding-sibling::metadata/solution)]/metadata/solution"	/>
	<xsl:for-each select="$unique-solutions">
		<xsl:sort select="." />
		<xsl:value-of select="." />

Here is the XML file.


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

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