I can confirm that downgrading to 1.18-2 solves the problem. -- Francesco Potort? (ricercatore) Voice: +39 050 315 3058 (op.2111) ISTI - Area della ricerca CNR Fax: +39 050 315 2040 via G. Moruzzi 1, I-56124 Pisa Email: Potorti at isti.cnr.it (entrance 20, 1st floor, room C71) Web: http://fly.isti.cnr.it/