BTW, I failed to find a way to conveniently format eg
123456.5
to
123,456.50
using existing Upp facilities. It's greatly appreciated if somebody can show me the right way. For example, I use GridCtrl's SummaryRow (or something like that); it accepts a format string and format the column total to that format. It's easy to write a format function, but hard to incorporate it to the Upp::Format(format, ValueArray) facility. If you know how to, please let me know.