M_APP15          1103 jdmarker.c         case M_APP15:
M_APP15          1380 jdmarker.c       } else if (marker_code >= (int) M_APP0 && marker_code <= (int) M_APP15) {
M_APP15          1402 jdmarker.c       else if (marker_code >= (int) M_APP0 && marker_code <= (int) M_APP15)