- exit at predicate end; - just return first on multiple erors. - YapArithError takes care of inner errors, Yp_EvalError fixes externals. - a few ISO stuff to make Paulo's unit tests go happier.
- exit at predicate end; - just return first on multiple erors. - YapArithError takes care of inner errors, Yp_EvalError fixes externals. - a few ISO stuff to make Paulo's unit tests go happier.