Re: Performance problems with grouping

> but I don't think I can use that for a temp tree, 
> can I ?

yes key()can be used on any document (ie any tree that starts with a /
node, including those returned by xx:node-set().

Just use a global xsl:key declaration as usual, key() will return nodes
that match teh key from whichever document teh currentnode is in, so if
your current node is in your temporary tree at the point you call key()
then nodes from that tree will be returned.

David

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