exit(1);
}
-printf ("# author: Keith Packard\n");
-printf ("# email: keithp@keithp.com\n");
-printf ("# dist-license: GPL 2\n");
-printf ("# use-license: unlimited\n");
-
element_start(sprintf ("2mm%dpin", pins));
for (int pin = 0; pin < pins; pin++)