M_SOS            3344 ext/exif/exif.c 			case M_SOS:   /* stop before hitting compressed data  */
M_SOS            3490 ext/exif/exif.c 			case M_SOS:
M_SOS             551 ext/standard/image.c 			case M_SOS:
M_SOS             290 ext/standard/iptc.c 			case M_SOS: