diff --git a/libisoburn/trunk/xorriso/xorriso.c b/libisoburn/trunk/xorriso/xorriso.c
index 3cf2eed9..1005d62c 100644
--- a/libisoburn/trunk/xorriso/xorriso.c
+++ b/libisoburn/trunk/xorriso/xorriso.c
@@ -10513,6 +10513,38 @@ int Xorriso_reaquire_outdev(struct XorrisO *xorriso, int flag)
 }
 
 
+int Xorriso_set_system_area_path(struct XorrisO *xorriso, char *path, int flag)
+{
+ int ret;
+ char eff_src[SfileadrL];
+
+ if(path[0] == 0) {
+   xorriso->system_area_disk_path[0]= 0;
+   return(1);
+ }
+ ret= Xorriso_normalize_img_path(xorriso, xorriso->wdx, path, eff_src, 2|4|16);
+ if(ret < 0)
+   return(ret);
+ if(ret == 0) {
+   sprintf(xorriso->info_text,
+           "Given path does not exist on disk: -boot_image system_area=");
+   Text_shellsafe(eff_src, xorriso->info_text, 1);
+   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+ }
+ if(ret == 2) {
+   sprintf(xorriso->info_text,
+           "Given path leads to a directory: -boot_image system_area=");
+   Text_shellsafe(eff_src, xorriso->info_text, 1);
+   Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+   return(0);
+ }
+ ret= Sfile_str(xorriso->system_area_disk_path, eff_src, 0);
+ if(ret <= 0)
+   return(-1);
+ return(1);
+}
+
+
 int Xorriso_cdrskin_help(struct XorrisO *xorriso, int flag)
 {
  static char helptext[][80]= {
@@ -11211,17 +11243,16 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
      ret= Xorriso_option_boot_image(xorriso, "isolinux", sfe, 0);
      if(ret <= 0)
        goto problem_handler_1;
-   } else if(strcmp(argv[i], "--embedded-boot")==0) {
+   } else if(strcmp(argv[i], "--embedded-boot")==0 ||
+             strcmp(argv[i], "-G") == 0) {
      if(i+1>=argc)
        goto not_enough_args;
      i++;
-     ret= Sfile_str(xorriso->system_area_disk_path, argv[i], 0);
+     ret= Xorriso_set_system_area_path(xorriso, argv[i], 0);
      if(ret <= 0)
-       {ret= -1; goto ex;}
-
+       goto ex;
    } else if(strcmp(argv[i], "--protective-msdos-label")==0) {
      xorriso->system_area_options|= 1;
-
    } else if(strcmp(argv[i], "-input-charset")==0) {
      if(i+1>=argc)
        goto not_enough_args;
@@ -11486,7 +11517,8 @@ not_enough_args:;
      /* was already handled in first argument scan */;
    } else if(strncmp(argv[i], "isolinux_mbr=", 13)==0) {
      /* was already handled in first argument scan */;
-   } else if(strcmp(argv[i], "--embedded-boot")==0) {
+   } else if(strcmp(argv[i], "--embedded-boot")==0 ||
+             strcmp(argv[i], "-G") == 0) {
      i++;
      /* was already handled in first argument scan */;
    } else if(strcmp(argv[i], "--protective-msdos-label")==0) {
@@ -13725,9 +13757,9 @@ int Xorriso_option_boot_image(struct XorrisO *xorriso, char *form,
    xorriso->boot_image_load_size= num;
 
  } else if(strncmp(treatpt, "system_area=", 12) == 0) {
-   ret= Sfile_str(xorriso->system_area_disk_path, treatpt + 12, 0);
+   ret= Xorriso_set_system_area_path(xorriso, treatpt + 12, 0);
    if(ret <= 0)
-     return(-1);
+     return(ret);
 
  } else if(strncmp(treatpt, "partition_table=", 16)==0) {
    if(strcmp(treatpt + 16, "off") == 0)
diff --git a/libisoburn/trunk/xorriso/xorriso_eng.html b/libisoburn/trunk/xorriso/xorriso_eng.html
index 81ea8cd9..d34a9ad8 100644
--- a/libisoburn/trunk/xorriso/xorriso_eng.html
+++ b/libisoburn/trunk/xorriso/xorriso_eng.html
@@ -123,7 +123,7 @@ Writes result as completely new image or as add-on session
 to optical media or filesystem objects.
 </LI>
 <LI>
-Can activate ISOLINUX boot images by El Torito boot record.
+Can activate ISOLINUX and GRUB boot images by El Torito boot record.
 </LI>
 <LI>
 Can perform multi-session tasks as emulation of mkisofs and cdrecord.
@@ -487,7 +487,7 @@ Bug fixes towards xorriso-0.5.0:
 
 <!--
 <P>
-Bug fixes towards xorriso-0.4.8.pl00:
+Bug fixes towards xorriso-0.5.0:
 <UL>
 <LI>
 </LI>
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index 3c360ec9..5b94dc26 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.04.06.151750"
+#define Xorriso_timestamP "2010.04.06.192328"