Of course ours is ordered *and* orderable ! You can explicitly alter the sequence attribute to change the ordering.
I think we're looking at improving performance based on some of the suggestions here - as well as possibly widening it to include some of the alternative use cases. (Or at least Nicola Larosa will do it and I'll criticise it). All for another day though... Fuzzyman http://www.voidspace.org.uk/python/index.shtml -- http://mail.python.org/mailman/listinfo/python-list