diff --git a/test/xorriso.1 b/test/xorriso.1
index 3d0982d1..2a1e6d07 100644
--- a/test/xorriso.1
+++ b/test/xorriso.1
@@ -543,12 +543,12 @@ Tell the current working directory on local filesystem.
 .TP
 \fB\-ls\fR pattern [...]
 List files from the current working directory in the ISO
-image which match a shell pattern (i.e. wildcards '*' '?' '[a-z]').
+image which match shell patterns (i.e. with wildcards '*' '?' '[a-z]').
 Note that this resembles rather shell command ls -d than command ls.
 .TP
 > \fB\-lsx\fR pattern [...]
 List files from the current working directory on local filesystem
-which match a shell pattern.
+which match shell patterns.
 .TP
 \fB\-ls_l\fR pattern [...]
 Like -ls but also list some of the file attributes. 
@@ -629,6 +629,12 @@ Copy output of a channel to the given file.
 If text is not empty it will get put out each time an
 action has been completed.
 .TP
+\fB\-temp_mem_limit\fR number["k"|"m"]
+Set the maximum size of temporary memory to be used for image dependent
+buffering. Currently this applies to pattern expansion only.
+.br
+Default is 16m = 16 MiB, minimum 64k = 64 kiB, maximum 1024m = 1 GiB.
+.TP
 \fB\-prog\fR text
 Use text as this program's name in subsequent messages
 .TP
diff --git a/test/xorriso.c b/test/xorriso.c
index f38a10a0..7e1d64c0 100644
--- a/test/xorriso.c
+++ b/test/xorriso.c
@@ -1787,7 +1787,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
  m->dialog= 0;
  m->search_mode= 0;
  m->structured_search= 1;
- m->temp_mem_limit= 16*1024.0*1024.0;
+ m->temp_mem_limit= 16*1024*1024;
  m->use_stdin= 0;
  m->result_page_length= 0;
  m->result_page_width= 80;
@@ -2764,6 +2764,15 @@ int Xorriso_status(struct XorrisO *xorriso, char *filter, FILE *fp, int flag)
  if(!(is_default && no_defaults))
    Xorriso_status_result(xorriso,filter,fp,flag&2);
 
+ is_default= (xorriso->temp_mem_limit==16*1024*1024);
+ if((xorriso->temp_mem_limit/1024/1024)*1024*1024==xorriso->temp_mem_limit)
+   sprintf(line,"-temp_mem_limit %dm\n", xorriso->temp_mem_limit/1024/1024);
+ else
+   sprintf(line,"-fs %dk\n", xorriso->temp_mem_limit/1024);
+ if(!(is_default && no_defaults))
+   Xorriso_status_result(xorriso,filter,fp,flag&2);
+
+
  sprintf(line,"-prog %s\n",Text_shellsafe(xorriso->progname,sfe,0));
  Xorriso_status_result(xorriso,filter,fp,flag&2);
 
@@ -3934,6 +3943,8 @@ int Xorriso_option_help(struct XorrisO *xorriso, int flag)
 "              for the consolidated -pkt_output stream.",
 "  -mark text  If text is not empty it will get put out each time an",
 "              option is completed.",
+"  -temp_mem_limit number[\"k\"|\"m\"]",
+"              Set the maximum size for pattern expansion. (Default is 16m)",
 "  -prog text  Use text as this program's name in subsequent messages",
 "  -prog_help text  Use text as this program's name and perform -help",
 "  -status mode|filter  Report the current settings of persistent options.",
@@ -4713,6 +4724,25 @@ int Xorriso_option_tell_media_space(struct XorrisO *xorriso, int flag)
 }
 
 
+/* Option -temp_mem_limit */
+int Xorriso_option_temp_mem_limit(struct XorrisO *xorriso, char *size,
+                                  int flag)
+{
+ double num;
+
+ num= Scanf_io_size(size, 0);
+ if(num < 64.0 * 1024.0 || num > 1024.0 * 1024.0 * 1024.0) {
+   sprintf(xorriso->info_text,
+           "-temp_mem_limit: wrong size %.f (allowed: %.f - %.f)",
+           num, 64.0 * 1024.0, 1024.0 * 1024.0 * 1024.0);
+   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "SORRY", 0);
+   return(0);
+ }
+ xorriso->temp_mem_limit= num;
+ return(1);
+}
+
+
 /* Option -toc */
 int Xorriso_option_toc(struct XorrisO *xorriso, int flag)
 {
@@ -5083,6 +5113,10 @@ next_command:;
  } else if(strcmp(cmd,"-tell_media_space")==0) {
    Xorriso_option_tell_media_space(xorriso, 0);
 
+ } else if(strcmp(cmd,"-temp_mem_limit")==0) {
+   (*idx)++;
+   ret= Xorriso_option_temp_mem_limit(xorriso, arg1, 0);
+
  } else if(strcmp(cmd,"-test")==0) { /* This option does not exist. */
    char line[4096],**hargv= NULL;
    int hargc, i;
diff --git a/test/xorriso.h b/test/xorriso.h
index 1ca26782..1f8fde4a 100644
--- a/test/xorriso.h
+++ b/test/xorriso.h
@@ -219,11 +219,8 @@ int Xorriso_option_j_capital(struct XorrisO *xorriso, int flag);
 
 /* Options -ls alias -lsi and ls_l alias ls_li */
 /* @param flag bit0= long format (-ls_l) */
-int Xorriso_option_lsi(struct XorrisO *xorriso, char *pattern, int flag);
-
-/* Options -lsx and -ls_lx */
-/* @param flag bit0= long format (-ls_l) */
-int Xorriso_option_lsi(struct XorrisO *xorriso, char *pattern, int flag);
+int Xorriso_option_lsi(struct XorrisO *xorriso, int argc, char **argv,
+                      int *idx, int flag);
 
 /* Option -logfile */
 int Xorriso_option_logfile(struct XorrisO *xorriso, char *channel, 
@@ -310,6 +307,10 @@ int Xorriso_option_status_history_max(struct XorrisO *xorriso, int num1,
 /* Option -tell_media_space */
 int Xorriso_option_tell_media_space(struct XorrisO *xorriso, int flag);
 
+/* Option -temp_mem_limit */
+int Xorriso_option_temp_mem_limit(struct XorrisO *xorriso, char *size, 
+                                  int flag);
+
 /* Option -toc */
 int Xorriso_option_toc(struct XorrisO *xorriso, int flag);
 
diff --git a/test/xorriso_private.h b/test/xorriso_private.h
index fbd0220b..a2fcf3d2 100644
--- a/test/xorriso_private.h
+++ b/test/xorriso_private.h
@@ -115,7 +115,7 @@ struct XorrisO { /* the global context of xorriso */
     ( 3= like 2 : but report first content level of matching directories )
     4= actually not structured but unique find mode (with search_mode 4)
  */
- double temp_mem_limit;
+ int temp_mem_limit;
 
  int use_stdin; /* use raw stdin even if readline support is compiled */
  int result_page_length;
diff --git a/test/xorriso_timestamp.h b/test/xorriso_timestamp.h
index ab1aa4fd..9765251a 100644
--- a/test/xorriso_timestamp.h
+++ b/test/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2007.10.30.214242"
+#define Xorriso_timestamP "2007.10.31.103338"
diff --git a/test/xorrisoburn.c b/test/xorrisoburn.c
index f6478082..cd663807 100644
--- a/test/xorrisoburn.c
+++ b/test/xorrisoburn.c
@@ -1784,7 +1784,7 @@ int Xorriso_expand_pattern(struct XorrisO *xorriso,
  if(ret<=0)
    return(ret);
  root_dir= iso_volume_get_root(volume);
- if(dir==NULL) {
+ if(root_dir==NULL) {
    Xorriso_process_msg_queues(xorriso,0);
    sprintf(xorriso->info_text,
            "While expanding pattern : Cannot obtain root node of ISO image");