JPEG_APP0 363 ext/gd/libgd/gd_jpeg.c jpeg_save_markers(&cinfo, JPEG_APP0 + 14, 256); JPEG_APP0 425 ext/gd/libgd/gd_jpeg.c if ((marker->marker == (JPEG_APP0 + 14)) && (marker->data_length >= 12) && (!strncmp((const char *) marker->data, "Adobe", 5))) {