[xsl] newbie - comparing attributes in nodes

Subject: [xsl] newbie - comparing attributes in nodes
From: "Hesselberth, Jan" <Jan.Hesselberth@xxxxxxxxxxxxxxxxxx>
Date: Wed, 16 Jan 2002 16:50:53 -0000
I have the following xml:
<Report>
<printCategory ID="20"><TranName>FURTHER
ADVANCE</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCategor
y>
<printCategory ID="20"><TranName>INITIAL
DRAWDOWN</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCatego
ry>
<printCategory ID="20"><TranName>RETENTION
RELEASE</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCategor
y>
<printCategory ID="21"><TranName>INTEREST
ADJUSTMENT</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCate
gory>
<printCategory ID="21"><TranName>INTEREST ADJUSTMENT
(CREDIT)</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCatego
ry>
<printCategory ID="21"><TranName>INTEREST
CHARGED</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCategor
y>
<printCategory ID="21"><TranName>REDEMPTION INTEREST
CHARGED</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCategor
y>
<printCategory ID="22"><TranName>ARRANGEMENT
FEE</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCategory>
<printCategory ID="22"><TranName>FIXED RATE BOOKING
FEE</TranName><CRAmount>0</CRAmount><DRAmount>0</DRAmount></printCategory>
</Report>

Each time the printCategory ID changes I need to output a heading.

I tried to follow the examples in the book and came up with variants as
below but none work. Can someone please help?

<xsl:for-each select="/Report/printCategory">
			<xsl:if
test="not(@ID=preceding::printCategory/@ID)">
			<fo:table-row>
				<fo:table-cell>
					<fo:block>Print Category
<xsl:value-of select="@ID"/></fo:block>
				</fo:table-cell>
			</fo:table-row>
			</xsl:if>

Thanks in advance
Jan







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