MN_OFFSET_GUESS   991 ext/exif/exif.c   { tag_table_VND_CANON,     "Canon",                   NULL,  NULL,                       0,  0,  MN_ORDER_INTEL,    MN_OFFSET_GUESS},
MN_OFFSET_GUESS  2789 ext/exif/exif.c 		case MN_OFFSET_GUESS: