[xsl] XPATH for attribute with different namespace from element

[Edward.Middleton@xxxxxxxxxxx]

I am trying to make a template match for an rss about attribute but I can't seem to get anything to work.

I tried the following, and all other combinations I could think of with no success.
rdf:RDF/channel/@rdf:about

This is my rss file
<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
	xmlns="http://purl.org/rss/1.0";>
	<channel rdf:about="newsmlsiteurn">
		<title>Various files</title>
		<link>http://some.site.com</link>
		<description>Various files on some.site</description>
	</channel>
	<item rdf:about="mayidentifier">
		<title>DTD File</title>
		<link>dtd\NewsMLv1.0.dtd</link>
	</item>
</rdf:RDF>

and my stylesheet is.

<?xml version="1.0"?>
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0"
	xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
	xmlns="http://purl.org/rss/1.0";>
	
	<xsl:template match="/">
		<xsl:apply-templates/>
	</xsl:template>
	
	<xsl:template match="rdf:RDF/channel/@rdf:about">
		<xsl:value-of select="current()"/>
	</xsl:template>

	<xsl:template match="text()"/>
</xsl:transform>


Thanks in advance

Edward

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