Bug fixed upstream (GRASS bug #4110) in GRASS 6.3.cvs. Markus -- Markus Neteler <neteler itc it> http://mpa.itc.it/markus/ ITC-irst - Centro per la Ricerca Scientifica e Tecnologica MPBA - Predictive Models for Biol. & Environ. Data Analysis Via Sommarive, 18 - 38050 Povo (Trento), Italy