RE: "sorted" axis (was: Remove duplicates from a node-set ac

> grouping and totalling would be easy enough if you could 
> first sort the
> input and then just walk over the sorted tree again with some more
> templates

I agree, a multi-pass capability would reduce the need for a lot of ad-hoc
functionality, and reduce the "group-by" requirement to a single function,
that of wrapping a new element around a group of consecutive sibling nodes
sharing a common value for some expression.

In language terms, all it really needs is the ability to convert a result
tree fragment to a node set.

Mike K


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