diff --git a/libisoburn/trunk/xorriso/xorriso.c b/libisoburn/trunk/xorriso/xorriso.c
index d38b484a..ee78a1f7 100644
--- a/libisoburn/trunk/xorriso/xorriso.c
+++ b/libisoburn/trunk/xorriso/xorriso.c
@@ -10725,6 +10725,7 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
 "  --acl                       Record eventual ACLs of files",
 "  --xattr                     Record eventual user space xattr of files",
 "  --md5                       Compute and record MD5 checksums of data files",
+"  --for_backup                Use all options which improve backup fidelity",
 "  -V ID, -volid ID            Set Volume ID",
 "  -b FILE, -eltorito-boot FILE",
 "                              Set El Torito boot image name",
@@ -10888,6 +10889,11 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
      Xorriso_option_xattr(xorriso, "on", 0);
    } else if(strcmp(argv[i], "--md5")==0) {
      Xorriso_option_md5(xorriso, "on", 0);
+   } else if(strcmp(argv[i], "--for_backup")==0) {
+     Xorriso_option_hardlinks(xorriso, "on", 0);
+     Xorriso_option_acl(xorriso, "on", 0);
+     Xorriso_option_xattr(xorriso, "on", 0);
+     Xorriso_option_md5(xorriso, "on", 0);
    } else if(strcmp(argv[i], "-z")==0 ||
              strcmp(argv[i], "-transparent-compression")==0) {
      Xorriso_option_zisofs(xorriso, "by_magic=on", 0);
@@ -11095,13 +11101,11 @@ not_enough_args:;
    } else if(strcmp(argv[i], "-output-charset")==0) {
      i++;
      /* was already handled in first argument scan */;
-   } else if(strcmp(argv[i], "--hardlinks")==0) {
-     /* was already handled in first argument scan */;
-   } else if(strcmp(argv[i], "--acl")==0) {
-     /* was already handled in first argument scan */;
-   } else if(strcmp(argv[i], "--xattr")==0) {
-     /* was already handled in first argument scan */;
-   } else if(strcmp(argv[i], "--md5")==0) {
+   } else if(strcmp(argv[i], "--hardlinks")==0 ||
+             strcmp(argv[i], "--acl")==0 ||
+             strcmp(argv[i], "--xattr")==0 ||
+             strcmp(argv[i], "--md5")==0 ||
+             strcmp(argv[i], "--for_backup")==0) {
      /* was already handled in first argument scan */;
    } else if(strcmp(argv[i], "-z")==0 ||
              strcmp(argv[i], "-transparent-compression")==0) {
@@ -15734,7 +15738,8 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "                   chmod, chmod_r, alter_date, alter_date_r, lsdl, compare,",
 "                   rm, rm_r, compare, update, report_damage, report_lba,",
 "                   getfacl, setfacl, getfattr, setfattr, get_any_xattr,",
-"                   get_md5, check_md5, set_filter, show_stream, find.",
+"                   get_md5, check_md5, make_md5, set_filter, show_stream,",
+"                   find.",
 "                 params are their arguments except iso_rr_path.",
 "  -mkdir iso_rr_path [...]",
 "                 Create empty directories if they do not exist yet.",
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 8081632f..aaac90c3 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.08.25.191543"
+#define Xorriso_timestamP "2009.08.27.175608"