| 552 |  | getparam(s+2, "back face visibility", 'b', &backvis); | 
| 553 |  | break; | 
| 554 |  | case '\0':                      /* black and white */ | 
| 555 | + | case ' ': | 
| 556 |  | case 'y': case 'Y': case 't': case 'T': case '1': case '+': | 
| 557 |  | case 'n': case 'N': case 'f': case 'F': case '0': case '-': | 
| 558 |  | getparam(s+1, "black and white", 'b', &greyscale); | 
| 675 |  | if (thisray.rot >= FHUGE) | 
| 676 |  | (*dev->comout)("at infinity"); | 
| 677 |  | else { | 
| 678 | < | sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], | 
| 679 | < | thisray.rop[1], thisray.rop[2]); | 
| 678 | > | sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", | 
| 679 | > | thisray.rop[0], thisray.rop[1], | 
| 680 | > | thisray.rop[2], thisray.rt); | 
| 681 |  | (*dev->comout)(buf); | 
| 682 |  | } | 
| 683 |  | (*dev->comin)(buf, NULL); |