xpath query in an attribute

Hi,

I'm new to XSL, and I'm not sure whether I did something wrong or xalan (the
xslt engine I use is buggy).

So I want to run an XPath query I extracted from an attribute in the XML
document.

Here's what I did:

    <xsl:variable name="query" select="@select"/>
    <xsl:value-of select="$query"/>

The first statement extracts the select attribute from the current node, and
the second _should_ run the query in $query, and return the accompanying
node-set. The problem is that it doesn't, it displays the value of the query
itself.

My question is: how to execute string variables as XPath queries? Any help
welcome.

-- 
Bazsi
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