Re: problems with copying duplicate nodes

  Im getting the output just as I wanted but Im
  intrigued about the functionality of the <temp> node
  and how it eliminated the duplicates at a later stage.

It's not actually needed, you could not add a temp node there and 
use $rtf/temp/TD[ $rtf/TD[ later.

the point is that keys work on a per-document basis and by building a
temporary tree you are copying teh nodes in to a temporary (virtual)
document.

grouping with keys though is essentially an XSLT1 mechanism replaced in
xslt2 by xsl-for-each-group which has a rather more natural syntax.

David

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