This is METAFONT, Version 2.7182 (Web2C 7.3.1) (base=mf 2000.3.7) 10 MAR 2002 14:27 **foo stara_jul27.dat (foo >> airmass59 0 0-3 ! Isolated expression. 99 l.1 ...I 59 0 0 -1 -1.00 -1.00 99.00 12.684 62500 ? ! Emergency stop. 99 l.1 ...I 59 0 0 -1 -1.00 -1.00 99.00 12.684 62500 End of file on the terminal!