Re: Fw: [xsl] Question on duplicate node elimination

[Michael Kay <mike@xxxxxxxxxxxx>]

 I haven't understood your logic in any detail, but I wonder if it 
suggests an alternative approach to the problem: namely, avoid creating 
RTFs entirely, at least for intermediate results. Instead, whenever you 
are evaluating an operation that returns a node-set, represent that 
node-set as a string containing the generate-id values of the nodes in 
the node-set, space-separated. Elimination of duplicates then reduces to 
an operation on strings: not trivial, but not especially difficult either.

Michael Kay
Saxonica