> The only feature that I really miss is a sequence that can 
> have sequences as its individual items. If this was offered 
> then one could write partial applications of functions in an 
> amazingly compact and readable way.

It wouldn't be hard in Saxon to write a pair of extension functions
sequence-to-item() and item-to-sequence() that wrap a sequence in a
single item (allowing it to be included in a sequence), and unwrap it
again. Worth experimenting with.

Michael Kay


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