[xsl] Newby Question reformatting xml

["Michael A. Thompson" <mathomp@xxxxxxxxxxxxxx>]

I am new to XSL and trying to get a grasp of the language. I need to 
totally reformat some xml files and have a question about node paths.

Example XML file:

<?xml version="1.0" encoding="UTF-8"?>
<AAA>
	<DDD id="test1">
		<BBB>10</BBB>
			<CCC>ccc</CCC>
		<BBB>5</BBB>
		<BBB>7</BBB>
	</DDD>
	<DDD id="test2">
		<BBB>1</BBB>
		<BBB>2</BBB>
			<CCC>ccc</CCC>
		<BBB>3</BBB>
	</DDD>
</AAA>

What I want to new XML file to look like:

<?xml version="1.0" encoding="UTF-8"?>
<AAA>
	<DDD>
		<BBB num="test1">10</BBB>
		<BBB num="test1">5</BBB>
		<BBB num="test1">7</BBB>
	</DDD>
	<DDD>
		<BBB num="test2">1</BBB>
		<BBB num="test2">2</BBB>
		<BBB num="test2">3</BBB>
	</DDD>
</AAA>

My XSL file:

<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
version="1.0">

	<xsl:output method="xml" indent="yes"/>
	
	<xsl:template match="AAA">
		<xsl:element name="AAA">
			<xsl:apply-templates select="DDD" />
		</xsl:element>
	</xsl:template>
	
	<xsl:template match="DDD">
		<xsl:element name="DDD">
			<xsl:apply-templates select="BBB"></xsl:apply-templates>
		</xsl:element>
		
	</xsl:template>
	
	<xsl:template match="BBB">
		<xsl:element name="BBB">
			<xsl:attribute name="num">
				<xsl:value-of select="//DDD/@id"></xsl:value-of>
			</xsl:attribute>
			<xsl:value-of select="."></xsl:value-of>
		</xsl:element>
	</xsl:template>
	
</xsl:stylesheet>

Thanks,
Michael


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