diff --git a/xorriso/xorriso.c b/xorriso/xorriso.c
index 00300f99..0a932ad7 100644
--- a/xorriso/xorriso.c
+++ b/xorriso/xorriso.c
@@ -11188,6 +11188,7 @@ int Xorriso_genisofs_help(struct XorrisO *xorriso, int flag)
 "  --protective-msdos-label    Patch System Area by partition table",
 "  --modification-date=YYYYMMDDhhmmsscc",
 "                              Override modification date",
+"  -isohybrid-mbr FILE         Set SYSLINUX mbr/isohdp[fp]x*.bin for isohybrid",
 #ifdef Xorriso_with_isohybriD
 "  isolinux_mbr=on|auto|off    Control eventual isohybrid MBR generation",
 #endif
diff --git a/xorriso/xorriso.texi b/xorriso/xorriso.texi
index 11d317e7..17fe7994 100644
--- a/xorriso/xorriso.texi
+++ b/xorriso/xorriso.texi
@@ -44,7 +44,7 @@
 @c man .\" First parameter, NAME, should be all caps
 @c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 @c man .\" other parameters are allowed: see man(7), man(1)
-@c man .TH XORRISO 1 "Apr 08, 2010"
+@c man .TH XORRISO 1 "Apr 10, 2010"
 @c man .\" Please adjust this date whenever revising the manpage.
 @c man .\"
 @c man .\" Some roff macros, for reference:
@@ -2693,9 +2693,18 @@ which can be used to boot from USB stick or hard disk.
 Other than a El Torito boot image, the file disk_path needs not to be added
 to the ISO image.
 @*
+-boot_image isolinux system_area= implies "partition_table=on".
+@*
 "partition_table=on" causes a simple partition table to be written into bytes
-446 to 511 of the System Area. It shows a single partiton which starts at
-byte 512 and ends where the ISO image ends.
+446 to 511 of the System Area.
+@*
+With type "isolinux" it shows a partition that begins at byte 0 and it causes
+the boot image LBA to be written into the MBR. This works only if also
+"system_area=" and "bin_path=" or "dir=" is given.
+@*
+With types "any" and "grub" it shows a single
+partiton which starts at byte 512 and ends where the ISO image ends.
+This works with or without system_area= or boot image.
 @*
 @c
 @c Bootspec "isohybrid=off" disables MBR generation, "isohybrid=on"
@@ -3743,6 +3752,10 @@ Adopted from grub-mkisofs are @minus{}@minus{}protective-msdos-label
 @minus{}@minus{}modification-date=YYYYMMDDhhmmsscc
 (see -volume_date uuid). 
 @*
+For MBR bootable ISOLINUX images there is -isohybrid-mbr FILE, where
+FILE is one of the Syslinux files mbr/isohdp[fp]x*.bin . Use this
+instead of -G to apply the effect of -boot_image isolinux partition_table=on.
+@*
 @c Quite special is isolinux_mbr= (see -boot_image isolinux isohybrid=).
 @c @*
 Personalites "@strong{xorrisofs}", "@strong{genisoimage}",
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 0a315633..4092d770 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.04.10.171214"
+#define Xorriso_timestamP "2010.04.10.180103"