Do Hoang Son just raised the issue why in print_latex context rationals are not typeset as \frac{3}{5} but instead as plain 3/5. Before implementing this I would like to ask if anybody is having an objection? Regards -richy. -- Richard Kreckel <Richard.Kreckel at Uni-Mainz.DE> <http://wwwthep.physik.uni-mainz.de/~kreckel/>