[xsl] Many Key values question

Hi,

 

Here is my XML

 

<collection>

  <record>

    <datafield tag="773" ind1="0" ind2=" ">

 <subfield code="5">BULLETIN / EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH
</subfield>

 <subfield code="t">Bulletin / Eidgenössische Technische Hochschule Zürich
</subfield>

 <subfield code="d">Zürich : Schulleitung der ETH Zürich, 1993-2005
</subfield>

 <subfield code="g">S. 27-33</subfield>

 </datafield>

  </record>

</collection>

 

I want to index in the same key

subfield[@code=?5?] and subfield[@code=?t?]

 

I?ve tried this :
<xsl:key name="idxrev" match="datafield[@tag=773]"
use="concat(subfield[@code='5'],subfield[@code='t'])"/>

 

To display the keys, I use this :


<xsl:for-each select="record/datafield[@tag=773]">

            <xsl:sort select="
concat(subfield[@code='5'],subfield[@code='t'])"/>   

            <xsl:value-of select="key('idxrev',
concat(subfield[@code='5'],subfield[@code='t']))"/>

            <br/>

</xsl:for-each>

 

But all the subfields are in the key not only the subfields 5 and t.



Returned key :

BULLETIN / EIDGENOESSISCHE TECHNISCHE HOCHSCHULE ZUERICH Bulletin /
Eidgenössische Technische Hochschule Zürich Zürich : Schulleitung der ETH
Zürich, 1993-2005 S. 27-33

 

Thx
JP
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