David Carlisle wrote:
> 
> you can't use variables or extension functions in match patterns.
> Just use
> 
>    <xsl:key name="ref-titles" match="*"   use="@doc-number"/> 
> 
> and make sure that the current node is inside the tree generated by 
> exsl:node-set($sort-titles) when you call key('ref-titles', ...)
> key() always returns nodes from the current document.

But that seems to mean that I can't use a key in this case, 
because I want to use it inside xsl:sort:

  <xsl:for-each select="//section-02">
   <xsl:sort select="key('ref-titles', doc-number)"/>

How could I make exsl:node-set($sort-titles) the current document there?

Anton Triest