At least under OS 8.6, the lwd parameter isn't functional in plot(), par(), or lines(); it would be useful to have this fixed. *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~* Peter D.M. Macdonald, D.Phil. McMaster University Professor of Math & Statistics Hamilton, Ontario, Canada L8S 4K1 *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*