| Since I suppose you also want to receive constructive suggestions, | I'd suggest to remove some instance definitions from the | report. I definitely can't do that at this stage. I have never liked Float/Double/Ratio being in Enum, but there is no possibility of removing them now. A year or two ago, maybe. The task now is see a local optimum, not a global one. We're in the low-temperature phase of annealing. Simon