diff --git a/xorriso/xorriso.1 b/xorriso/xorriso.1
index db461848..a432296e 100644
--- a/xorriso/xorriso.1
+++ b/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 26, 2008"
+.TH XORRISO 1 "Aug 27, 2008"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -941,8 +941,9 @@ E.g.:
 .br
 "report_lba" prints files which are associated to image data blocks.
 It tells the logical block address, the block number, the byte size,
-and the path of each file. In future there may be reported more than one
-line per file if the file is very large.
+and the path of each file. There may be reported more than one
+line per file if the file is very large. In this case each line has a
+different extent number in column "xt".
 .br
 E.g.:
 .br
@@ -1093,6 +1094,22 @@ Smaller format size with DVD-RAM or BD-RE means more reserve space.
 .TP
 .B Settings for data insertion:
 .TP
+\fB\-file_size_limit\fR value [value [...]] --
+Set the maximum permissible size for a single data file. The values get
+summed up for the actual limit. If the only value is "off" then the file
+size is not limited by xorriso. Default is a limit of 100 extents, 4g -2k each:
+.br
+ -file_size_limit 400g -800k --
+.br
+When mounting ISO 9660 filesystems, old operating systems can handle only files
+up to 2g -1 --. Newer ones are good up to 4g -1 --.
+You need quite a new Linux kernel to read correctly the final bytes
+of a file >= 4g if its size is not aligned to 2048 KiB.
+.br
+xorriso's own data read capabilities are not affected by eventual
+operating system size limits. They apply to mounting only. Nevertheless,
+the target filesystem of an -extract must be able to take the file size.
+.TP
 \fB\-not_mgt\fR code[:code[...]]
 Control the behavior of the exclusion lists.
 .br
@@ -1229,13 +1246,15 @@ 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 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.
+This is necessary if the size of the disk file exceeds -file_size_limit.
+Older operating systems can handle files in mounted ISO 9660 filesystems
+only if they are smaller than 2 GiB resp. 4 GiB.
 See also option -cut_out for more information about file parts.
 .br
-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.
+Default is 0 which will exclude files larger than -file_size_limit by a
+FAILURE event.
+A well tested -split_size is 2047m. Sizes above -file_size_limit are not
+permissible.
 .TP                
 .B Settings for result writing:
 .TP
diff --git a/xorriso/xorriso.c b/xorriso/xorriso.c
index f5bc5473..71db6558 100644
--- a/xorriso/xorriso.c
+++ b/xorriso/xorriso.c
@@ -3348,6 +3348,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
  m->do_iso_rr_pattern= 1;
  m->do_disk_pattern= 2;
  m->temp_mem_limit= 16*1024*1024;
+ m->file_size_limit= Xorriso_default_file_size_limiT;
  m->disk_exclusions= NULL;
  m->disk_excl_mode= 1;
  m->use_stdin= 0;
@@ -4760,6 +4761,16 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
    } 
  }
 
+ is_default= (xorriso->file_size_limit ==
+              Xorriso_default_file_size_limiT);
+ if(xorriso->file_size_limit <= 0)
+   sprintf(line, "-file_size_limit off --\n");
+ else
+   sprintf(line, "-file_size_limit %.lf --\n",
+           (double) xorriso->file_size_limit);
+ if(!(is_default && no_defaults))
+   Xorriso_status_result(xorriso,filter,fp,flag&2);
+
  is_default= (xorriso->disk_excl_mode==1);
  sprintf(line, "-not_mgt %s:%s:%s:%s\n",
          (xorriso->disk_excl_mode&1 ? "on" : "off"),
@@ -8208,7 +8219,7 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
                      int argc, char **argv, int flag)
 {
  int ret, i, k, was_path= 0, was_other_option= 0, mem_graft_points, mem;
- int do_print_size= 0, idx_offset= 0, fd, idx;
+ int do_print_size= 0, idx_offset= 0, fd, idx, iso_level= 0;
  char sfe[5*SfileadrL], adr[SfileadrL+8], ra_text[80], pathspec[2*SfileadrL];
  char *ept, *add_pt, eff_path[SfileadrL], indev[SfileadrL+8], msc[80], *cpt;
 
@@ -8233,6 +8244,7 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
 "  -f, -follow-links           Follow symbolic links",
 "  -graft-points               Allow to use graft points for filenames",
 "  -help                       Print option help",
+"  -iso-level LEVEL            Set ISO9660 conformance level (1..3)",
 "  -J, -joliet                 Generate Joliet directory information",
 "  -o FILE, -output FILE       Set output file name",
 "  -m GLOBFILE, -exclude GLOBFILE",
@@ -8308,6 +8320,23 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
      ret= Xorriso_option_follow(xorriso, "on", 0);
      if(ret<=0)
        goto ex;
+   } else if(strcmp(argv[i], "-iso-level")==0) {
+     if(i+1>=argc)
+       goto not_enough_args;
+     i++;
+     sscanf(argv[i], "%d", &iso_level);
+     if(iso_level < 1 || iso_level > 3) {
+       sprintf(xorriso->info_text,
+               "-as %s: unsupported -iso-level '%s' (use one of: 1,2,3)",
+               whom, argv[i]);
+       Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+       ret= 0; goto ex;
+     }
+     if(iso_level < 3)
+       xorriso->file_size_limit=
+                          ((off_t) 4) * ((off_t) 1024*1024*1024) - ((off_t) 1);
+     else
+       xorriso->file_size_limit= 0;
    } else
      was_other_option= 1;
  }
@@ -8484,6 +8513,10 @@ not_enough_args:;
      sprintf(xorriso->info_text, "-as %s: Unknown option %s",
              whom, Text_shellsafe(argv[i], sfe, 0));
      Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+   } else if(strcmp(argv[i], "-iso-level")==0) {
+     i++;
+     /* was already handled in first argument scan */;
+
    } else {
      int zero= 0;
 
@@ -10698,78 +10731,41 @@ int Xorriso_option_extract(struct XorrisO *xorriso, char *iso_path,
 }
 
 
-/* Option -follow */
-int Xorriso_option_follow(struct XorrisO *xorriso, char *mode, int flag)
+/* Option -file_size_limit */
+int Xorriso_option_file_size_limit(struct XorrisO *xorriso,
+                                   int argc, char **argv, int *idx, int flag)
 {
- int was_fl, was_fm, was_fpr, was_fpt, l;
- double num;
- char *cpt, *npt;
+ int ret, i, end_idx;
+ off_t new_limit= 0;
 
- was_fpt= xorriso->do_follow_pattern;
- was_fpr= xorriso->do_follow_param;
- was_fl= xorriso->do_follow_links;
- was_fm= xorriso->do_follow_mount;
- xorriso->do_follow_pattern= 0;
- xorriso->do_follow_param= 0;
- xorriso->do_follow_links= 0;
- xorriso->do_follow_mount= 0;
- npt= cpt= mode;
- for(cpt= mode; npt!=NULL; cpt= npt+1) {
-   npt= strchr(cpt,':');
-   if(npt==NULL)
-     l= strlen(cpt);
-   else
-     l= npt-cpt;
-   if(l==0)
-     goto unknown_mode;
-   if(strncmp(cpt, "off", l)==0) {
-     xorriso->do_follow_pattern= 0;
-     xorriso->do_follow_param= 0;
-     xorriso->do_follow_links= 0;
-     xorriso->do_follow_mount= 0;
-   } else if(strncmp(cpt, "on", l)==0) {
-     xorriso->do_follow_pattern= 1;
-     xorriso->do_follow_param= 1;
-     xorriso->do_follow_links= 1;
-     xorriso->do_follow_mount= 1;
-   } else if(strncmp(cpt, "default", l)==0) {
-     xorriso->do_follow_pattern= 1;
-     xorriso->do_follow_param= 0;
-     xorriso->do_follow_links= 0;
-     xorriso->do_follow_mount= 1;
-     xorriso->follow_link_limit= 100;
-   } else if(strncmp(cpt, "link", l)==0 || strncmp(cpt,"links", l)==0) {
-     xorriso->do_follow_links= 1;
-   } else if(strncmp(cpt, "mount", l)==0) {
-     xorriso->do_follow_mount= 1;
-   } else if(strncmp(cpt,"param", l)==0) {
-     xorriso->do_follow_param= 1;
-   } else if(strncmp(cpt, "pattern", l)==0) {
-     xorriso->do_follow_pattern= 1;
-   } else if(strncmp(cpt, "limit=", 6)==0) {
-     sscanf(cpt+6, "%lf", &num);
-     if(num<=0 || num>1.0e6) {
-       sprintf(xorriso->info_text, "-follow: Value too %s with '%s'",
-               num<=0 ? "small" : "large", cpt+6);
-       goto sorry_ex;
-     }
-     xorriso->follow_link_limit= num;
-   } else {
-unknown_mode:;
-     if(l<SfileadrL)
-       sprintf(xorriso->info_text, "-follow: unknown mode '%s'", cpt);
-     else
-       sprintf(xorriso->info_text, "-follow: oversized mode parameter (%d)",l);
-sorry_ex:
-     Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
-     xorriso->do_follow_pattern= was_fpt;
-     xorriso->do_follow_param= was_fpr;
-     xorriso->do_follow_links= was_fl;
-     xorriso->do_follow_mount= was_fm;
-     return(0);
-   }
+ end_idx= Xorriso_end_idx(xorriso, argc, argv, *idx, 1);
+ if(*idx >= end_idx)
+   {ret= 2; goto ex;}
+ if(*idx + 1 == end_idx && strcmp(argv[*idx], "off") == 0) {
+   xorriso->file_size_limit= 0;
+   ret= 1; goto ex;
  }
- return(1);
+ for(i= *idx; i < end_idx; i++)
+   new_limit+= Scanf_io_size(argv[i], 0);
+ if(new_limit <= 0) {
+   sprintf(xorriso->info_text, "-file_size_limit: values sum up to %.lf",
+           (double) new_limit);
+   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 1);
+   ret= 0; goto ex;
+ }
+ xorriso->file_size_limit= new_limit;
+ ret= 1;
+ex:;
+ (*idx)= end_idx;
+ if(ret > 0) {
+   if(xorriso->file_size_limit > 0)
+     sprintf(xorriso->info_text, "-file_size_limit now at %.lf\n",
+             (double) xorriso->file_size_limit);
+   else
+     sprintf(xorriso->info_text, "-file_size_limit now off\n");
+   Xorriso_info(xorriso,0);
+ }
+ return(ret);
 }
 
 
@@ -11012,6 +11008,81 @@ ex:;
 }
 
 
+/* Option -follow */
+int Xorriso_option_follow(struct XorrisO *xorriso, char *mode, int flag)
+{
+ int was_fl, was_fm, was_fpr, was_fpt, l;
+ double num;
+ char *cpt, *npt;
+
+ was_fpt= xorriso->do_follow_pattern;
+ was_fpr= xorriso->do_follow_param;
+ was_fl= xorriso->do_follow_links;
+ was_fm= xorriso->do_follow_mount;
+ xorriso->do_follow_pattern= 0;
+ xorriso->do_follow_param= 0;
+ xorriso->do_follow_links= 0;
+ xorriso->do_follow_mount= 0;
+ npt= cpt= mode;
+ for(cpt= mode; npt!=NULL; cpt= npt+1) {
+   npt= strchr(cpt,':');
+   if(npt==NULL)
+     l= strlen(cpt);
+   else
+     l= npt-cpt;
+   if(l==0)
+     goto unknown_mode;
+   if(strncmp(cpt, "off", l)==0) {
+     xorriso->do_follow_pattern= 0;
+     xorriso->do_follow_param= 0;
+     xorriso->do_follow_links= 0;
+     xorriso->do_follow_mount= 0;
+   } else if(strncmp(cpt, "on", l)==0) {
+     xorriso->do_follow_pattern= 1;
+     xorriso->do_follow_param= 1;
+     xorriso->do_follow_links= 1;
+     xorriso->do_follow_mount= 1;
+   } else if(strncmp(cpt, "default", l)==0) {
+     xorriso->do_follow_pattern= 1;
+     xorriso->do_follow_param= 0;
+     xorriso->do_follow_links= 0;
+     xorriso->do_follow_mount= 1;
+     xorriso->follow_link_limit= 100;
+   } else if(strncmp(cpt, "link", l)==0 || strncmp(cpt,"links", l)==0) {
+     xorriso->do_follow_links= 1;
+   } else if(strncmp(cpt, "mount", l)==0) {
+     xorriso->do_follow_mount= 1;
+   } else if(strncmp(cpt,"param", l)==0) {
+     xorriso->do_follow_param= 1;
+   } else if(strncmp(cpt, "pattern", l)==0) {
+     xorriso->do_follow_pattern= 1;
+   } else if(strncmp(cpt, "limit=", 6)==0) {
+     sscanf(cpt+6, "%lf", &num);
+     if(num<=0 || num>1.0e6) {
+       sprintf(xorriso->info_text, "-follow: Value too %s with '%s'",
+               num<=0 ? "small" : "large", cpt+6);
+       goto sorry_ex;
+     }
+     xorriso->follow_link_limit= num;
+   } else {
+unknown_mode:;
+     if(l<SfileadrL)
+       sprintf(xorriso->info_text, "-follow: unknown mode '%s'", cpt);
+     else
+       sprintf(xorriso->info_text, "-follow: oversized mode parameter (%d)",l);
+sorry_ex:
+     Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+     xorriso->do_follow_pattern= was_fpt;
+     xorriso->do_follow_param= was_fpr;
+     xorriso->do_follow_links= was_fl;
+     xorriso->do_follow_mount= was_fm;
+     return(0);
+   }
+ }
+ return(1);
+}
+
+
 /* Option -fs */
 int Xorriso_option_fs(struct XorrisO *xorriso, char *size, int flag)
 {
@@ -12969,13 +13040,11 @@ bd_speed:;
 int Xorriso_option_split_size(struct XorrisO *xorriso, char *size, int flag)
 {
  double num;
- /* At most: 100 extents with 4 GB - 2 kB each = 400 GB - 800 kB */
- static off_t limit= ((off_t) 400) * ((off_t) 1024*1024*1024) - (off_t) 819200;
 
  num= Scanf_io_size(size, 0);
- if(num > limit) {
+ if(num > xorriso->file_size_limit && xorriso->file_size_limit > 0) {
    sprintf(xorriso->info_text, "-split_size: too large %.f (allowed: %.f)",
-           num, (double) limit);
+           num, (double) xorriso->file_size_limit);
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
    return(0);
  } else if(num < 0)
@@ -13408,7 +13477,8 @@ int Xorriso_count_args(struct XorrisO *xorriso, int argc, char **argv,
     "check_media","chgrp","chgrpi","chgrp_r","chgrp_ri","chmod","chmodi",
     "chmod_r","chmod_ri","chown","chowni","chown_r","chown_ri",
     "compare_l","cpr","cpri","cp_rax","cp_rx","cpax","cpx",
-    "du","dui","dus","dusi","dux","dusx","extract_l","find","findi","findx",
+    "du","dui","dus","dusi","dux","dusx","extract_l",
+    "file_size_limit","find","findi","findx",
     "ls","lsi","lsl","lsli","lsd","lsdi","lsdl","lsdli",
     "lsx","lslx","lsdx","lsdlx","map_l","mv","mvi","mkdir","mkdiri",
     "not_paths","rm","rmi","rm_r","rm_ri","rmdir","rmdiri","update_l",
@@ -13698,9 +13768,8 @@ next_command:;
    (*idx)+= 2;
    ret= Xorriso_option_extract(xorriso, arg1, arg2, 32);
 
- } else if(strcmp(cmd,"follow")==0) {
-   (*idx)++;
-   ret= Xorriso_option_follow(xorriso, arg1, 0);
+ } else if(strcmp(cmd,"file_size_limit")==0) {
+   ret= Xorriso_option_file_size_limit(xorriso, argc, argv, idx, 0);
 
  } else if(strcmp(cmd,"find")==0 || strcmp(cmd,"findi")==0) {
    ret= Xorriso_option_find(xorriso, argc, argv, idx, 0);
@@ -13708,6 +13777,10 @@ next_command:;
  } else if(strcmp(cmd,"findx")==0) {
    ret= Xorriso_option_find(xorriso, argc, argv, idx, 1);
 
+ } else if(strcmp(cmd,"follow")==0) {
+   (*idx)++;
+   ret= Xorriso_option_follow(xorriso, arg1, 0);
+
  } else if(strcmp(cmd,"format")==0) {
    (*idx)++;
    ret= Xorriso_option_blank(xorriso, arg1, 1);
diff --git a/xorriso/xorriso_private.h b/xorriso/xorriso_private.h
index a3e8a03a..fd4e8f99 100644
--- a/xorriso/xorriso_private.h
+++ b/xorriso/xorriso_private.h
@@ -65,6 +65,12 @@ struct SectorbitmaP;      /* Distiniction between valid and invalid sectors */
 #define Xorriso_rc_nuM 4
 
 
+/* Default setting for the size limit of single data files:
+   100 extents with 4 GB - 2 kB each = 400 GB - 800 kB */
+#define Xorriso_default_file_size_limiT \
+        (((off_t) 400) * ((off_t) 1024*1024*1024) - (off_t) 819200)
+
+
 struct XorrisO { /* the global context of xorriso */
 
  int libs_are_started;
@@ -215,6 +221,8 @@ struct XorrisO { /* the global context of xorriso */
 
  int temp_mem_limit;
 
+ off_t file_size_limit;
+
  struct ExclusionS *disk_exclusions;
  int disk_excl_mode; /* bit0= on (else off)
                         bit1= parameter too (else rekursion only)
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 9b8446ed..ff86c62c 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.08.26.163254"
+#define Xorriso_timestamP "2008.08.27.121211"
diff --git a/xorriso/xorrisoburn.c b/xorriso/xorrisoburn.c
index a4121954..84de0417 100644
--- a/xorriso/xorrisoburn.c
+++ b/xorriso/xorrisoburn.c
@@ -1659,14 +1659,12 @@ int Xorriso_tree_graft_node(struct XorrisO *xorriso, IsoImage *volume,
  struct stat stbuf;
  char sfe[5*SfileadrL];
  off_t size= 0;
- /* At most: 100 extents with 4 GB - 2 kB each = 400 GB - 800 kB */
- static off_t limit= ((off_t) 400) * ((off_t) 1024*1024*1024) - (off_t) 819200;
 
  if(flag&8)  {
-   if(cut_size > limit) {
+   if(cut_size > xorriso->file_size_limit && xorriso->file_size_limit > 0) {
      sprintf(xorriso->info_text,
              "File piece exceeds size limit of %.f bytes: %.f from %s\n",
-             (double) limit, (double) cut_size,
+             (double) xorriso->file_size_limit, (double) cut_size,
              Text_shellsafe(disk_path, sfe, 0));
      Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
      return(0);
@@ -1687,10 +1685,11 @@ int Xorriso_tree_graft_node(struct XorrisO *xorriso, IsoImage *volume,
      if(ret<=0)
        goto ex;
      return(1);
-   } else if(size > limit) {
+   } else if(size > xorriso->file_size_limit && xorriso->file_size_limit > 0) {
      sprintf(xorriso->info_text,
              "File exceeds size limit of %.f bytes: %s\n",
-             (double) limit, Text_shellsafe(disk_path, sfe, 0));
+             (double) xorriso->file_size_limit,
+             Text_shellsafe(disk_path, sfe, 0));
      Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
      return(0);
    }