Quote:

Block is:

class Block: Moveable<Block> {
public:
	WithDeepCopy<VectorMap<String, Variable>> Vars;
	int Temps;

	Block() {
		Temps = 0;
	}

	rval_default(Block);
};

The rval_default was preventing the copy.

OK, at least for the command line projects I will use MSC14 and latest U++ for e trial period of 2 weeks.