[xsl] ancestor query

Subject: [xsl] ancestor query
From: "Tanzila Mohammad" <tmohammad@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 16 Nov 2001 15:08:08 -0000
I have the following xml:

	<query-result>
   		<yearbook id="fzyb" volume="49" year="1999">
			<name lang="CH">English Name...</name>
                         .....
			<table-header>
				<table-header-literals>
					<literal name="number">22</literal>
                                        <literal
name="startpage">57</literal>
					<literal name="table" lang="EN">TABLE</literal>
					....
					<unit name="fzybk-MT-N" lang="ES">TM N</unit>
				</table-header-literals>
				<table-column-headers>
					<table-column-header-row>
						<column-header lang="AR" name="ELEMENT">Arabic name
...</column-header>
						<column-header lang="CN" name="ELEMENT">Chinese name</column-header>
						<column-header lang="EN" name="ELEMENT">PRODUCTION</column-header>
						<column-header lang="FR" name="ELEMENT">PRODUCTION</column-header>
						<column-header lang="ES" name="ELEMENT">PRODUCCION</column-header>
					</table-column-header-row>
					<table-column-header-row>
                                         .........

My xsl:
 .........
 <xsl:for-each
select="./table-header/table-column-headers/table-column-header-row/column-h
eader[@name='ELEMENT']">
       <xsl:sort select="concat(substring(./@lang='ES',1,1),./@lang)"
data-type="text" order="ascending"/>
             <fo:table-cell>
              <fo:block text-align="center" space-after.optimum="5pt"
font-weight="bold" space-before.optimum="10pt">
                 <xsl:value-of select="concat(.,' ', '<<unit details>>')"/>
              </fo:block>
              </fo:table-cell>
     </xsl:for-each>
.........

I want to have the 'unit' node value in the concatenation. Is there a way
that I can either:

- get to the root path directly then work my way down to the node.

e.g. root/query-result/yearbook/table-header/table-header-literals/unit

- or go up the node tree, by making use of ancestor (I have had trouble with
this).

Thanks

Tanz


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