diff --git a/libisoburn/trunk/xorriso/xorriso.1 b/libisoburn/trunk/xorriso/xorriso.1
index d03153a6..db461848 100644
--- a/libisoburn/trunk/xorriso/xorriso.1
+++ b/libisoburn/trunk/xorriso/xorriso.1
@@ -2,7 +2,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "Aug 24, 2008"
+.TH XORRISO 1 "Aug 26, 2008"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -679,7 +679,8 @@ Map a byte interval of a regular disk file into a regular file in the ISO
 image.
 This may be necessary if the disk file is larger than a single media, or if
 it exceeds the traditional limit of 2 GiB - 1 for old operating systems,
-or the limit of 4 GiB - 1 for newer ones.
+or the limit of 4 GiB - 1 for newer ones. Only the newest Linux kernels
+seem to read properly files >= 4 GiB - 1.
 .br
 A clumsy remedy for this limit is to backup file pieces and to concatenate
 them at restore time. A well tested chopping size is 2047m.
@@ -1228,12 +1229,13 @@ target file objects on disk as well, but "on" is downgraded to "nondir".
 \fB\-split_size\fR number["k"|"m"]
 Set the threshold for automatic splitting of regular files. Such splitting
 maps a large disk file onto a ISO directory with several part files in it.
-This is necessary if the size of the disk file exceeds 4 GiB - 1.
-Older operating systems can handle files only if they are smaller than 2 GiB.
+This is necessary if the size of the disk file exceeds MAX = 400 GiB - 800 KiB.
+Older operating systems can handle files only if they are smaller than 2 GiB
+or 4 GiB. But osirrox is not affected by eventual operating system size limits.
 See also option -cut_out for more information about file parts.
 .br
-Default is 0 which will exclude files >= 4 GiB by a FAILURE event.
-A well tested -split_size is 2047m. Sizes of 4 GiB or more are not permissible.
+Default is 0 which will exclude files >= MAX by a FAILURE event.
+A well tested -split_size is 2047m. Sizes of MAX or more are not permissible.
 .TP                
 .B Settings for result writing:
 .TP
@@ -1724,6 +1726,15 @@ data_to='' sector_map='' map_with_volid=off patch_lba0=off report=blocks
 .br
 Non-default settings:
 .br
+The result list tells intervals of 2 KiB blocks with start address, number
+of blocks and quality. Qualities which begin with "+" are
+supposed to be valid readable data. Qualities with "-" are no valid data.
+.br
+"report=files" lists the files which use damaged blocks (not with use=outdev).
+The format is like with find -exec report_damage.
+.br
+"report=blocks_files" first lists damaged blocks and then affected files.
+.br
 "use=outdev" reads from the output drive instead of the input drive. This
 avoids loading the ISO image tree from media.
 .br
@@ -1781,15 +1792,6 @@ have an -indev and a loaded image. ":force" may be appended after the number.
 .br
 "use=sector_map" does not read any media but loads the file given by option
 sector_map= and processes this virtual outcome.
-.br
-The result list tells intervals of 2 KiB blocks with start address, number
-of blocks and quality. Qualities which begin with "+" are
-supposed to be valid readable data. Qualities with "-" are no valid data.
-.br
-"report=files" lists the files which use damaged blocks (not with use=outdev).
-The format is like with find -exec report_damage.
-.br
-"report=blocks_files" first lists damaged blocks and then affected files.
 .TP
 .B osirrox restore options:
 .PP