+
+ # auto memdisk mode for some special ISO files
+ vt_iso_vd_id_parse "${vtoy_iso_part}${vt_chosen_path}"
+ unset vtMemDiskBoot
+ if vt_check_mode 0; then
+ set vtMemDiskBoot=1
+ else
+ if [ "$grub_platform" = "pc" ]; then
+ if vt_iso_vd_id_begin 1 0 "Memtest86+"; then
+ set vtMemDiskBoot=1
+ fi
+ fi
+ fi
+ vt_iso_vd_id_clear
+
+