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Can't get id() and key() to work


Hello,

What I basically need is:

    <xsl:variable name="infodoc" select="document('infodoc.xml')"/>
    <xsl:variable name="info" select="$infodoc/id($key)"/>

ie. I have an XML document in $infodoc which has IDs and I want to
lookup elements in $infodoc.

I tried to use key() and it actually works but I can't use the
result:

    <xsl:variable name="info-fragment">
	<xsl:for-each select="$imginfo">
	    <xsl:copy-of select="key('imgInfoKey', $path-key)"/>
	</xsl:for-each>
    </xsl:variable>
    <xsl:message>info2=<xsl:value-of select="$path-key"/></xsl:message>
    <xsl:message>info3a=<xsl:value-of select="exslt:object-type($info-fragment)"/></xsl:message>
    <xsl:message>info3b=<xsl:value-of select="count($info-fragment)"/></xsl:message>
    <xsl:variable name="info" select="exslt:node-set($info-fragment)"/>
    <xsl:message>info4=<xsl:value-of select="$info/@width"/></xsl:message>
    <xsl:message>info4b=<xsl:value-of select="exslt:node-set($info-fragment)/@width"/></xsl:message>

This gives:

info2=images/uy-online-left.jpg
info3a=RTF
info3b=1
info4=
info4b=

so apparently there is something in $info-fragment but what?

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Aaron "Optimizer" Digulla, digulla@sowatec.com
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