diff --git a/xorriso/emulators.c b/xorriso/emulators.c
index e46ca64f..98cfd862 100644
--- a/xorriso/emulators.c
+++ b/xorriso/emulators.c
@@ -954,6 +954,97 @@ int Xorriso_genisofs_strip_dash(struct XorrisO *xorriso, char *arg_in,
 }
 
 
+/* Interprets a string of single-char options which have no parameters
+   @param flag bit0=check whether string is ok
+               bit1=this is pass 1
+   @return with flag bit0: 0=no , 1=yes, 2= with bit1: non-pass-1 options seen
+           else          : 1 = ok , <= 0 indicates error
+*/
+int Xorriso_genisofs_fused_options(struct XorrisO *xorriso, char *whom,
+                                   char *opts,
+                                   int *option_d, int *iso_level, int *lower_r,
+                                   char ra_text[80], int flag)
+{
+ int ret, non_pass1= 0;
+ char *cpt;
+ static char pass1_covered[]= {"fvz"};
+ static char covered[]= {"dDfJlNRrTUvz"};
+
+ if(flag & 1) {
+   for(cpt= opts; *cpt != 0; cpt++) {
+     if(strchr(covered, *cpt) == NULL)
+       {ret= 0; goto ex;}
+     if(flag & 2)
+       if(strchr(pass1_covered, *cpt) == NULL)
+         non_pass1= 1;
+   }
+   ret= 1 + non_pass1; goto ex;
+ }
+ 
+ for(cpt= opts; *cpt != 0; cpt++) {
+   if(*cpt == 'd') {
+     if(flag & 2)
+ continue;
+     Xorriso_relax_compliance(xorriso, "no_force_dots", 0);
+   } else if(*cpt == 'D') {
+     if(flag & 2)
+ continue;
+     *option_d= 1;
+   } else if(*cpt == 'f') {
+     if(!(flag & 2))
+ continue;
+     ret= Xorriso_option_follow(xorriso, "on", 0);
+     if(ret <= 0)
+       goto ex;
+   } else if(*cpt == 'J') {
+     if(flag & 2)
+ continue;
+     xorriso->do_joliet= 1;
+   } else if(*cpt == 'l') {
+     if(flag & 2)
+ continue;
+     if(xorriso->iso_level <= 2)
+       Xorriso_relax_compliance(xorriso, "iso_9660_level=2", 0);
+     if(*iso_level <= 2)
+       *iso_level= 2;
+   } else if(*cpt == 'N') {
+     if(flag & 2)
+ continue;
+     Xorriso_relax_compliance(xorriso, "omit_version", 0);
+   } else if(*cpt == 'R') {
+     /* inavoidable */;
+   } else if(*cpt == 'r') {
+     if(flag & 2)
+ continue;
+     *lower_r= 1;
+   } else if(*cpt == 'T') {
+     /* ignored */;
+   } else if(*cpt == 'U') {
+     if(flag & 2)
+ continue;
+     Xorriso_relax_compliance(xorriso,
+       "no_force_dots:long_paths:long_names:omit_version:full_ascii:lowercase",
+                              0);
+   } else if(*cpt == 'v') {
+     if(!(flag & 2))
+ continue;
+     strcpy(ra_text, "UPDATE");
+   } else if(*cpt == 'z') {
+     if(!(flag & 2))
+ continue;
+     Xorriso_option_zisofs(xorriso, "by_magic=on", 0);
+   } else {
+     sprintf(xorriso->info_text, "-as %s: Unsupported option -%c", whom, *cpt);
+     Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+     ret= 0; goto ex;
+   }
+ }
+ ret= 1; 
+ex:;
+ return(ret);
+}
+
+
 /* micro emulation of mkisofs */
 int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
                      int argc, char **argv, int flag)
@@ -1079,12 +1170,16 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
    } else if(strcmp(argpt, "-help")==0) {
      Xorriso_genisofs_help(xorriso, 0);
    } else if(strcmp(argpt, "-v")==0 || strcmp(argpt, "-verbose")==0) {
-     strcpy(ra_text, "UPDATE");
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "v",
+                                  &option_d, &iso_level, &lower_r, ra_text, 2);
+     if(ret <= 0)
+       goto problem_handler_1;
    } else if(strcmp(argpt, "-quiet")==0) {
      strcpy(ra_text, "SORRY");
    } else if(strcmp(argpt, "-f")==0 || strcmp(argpt, "-follow-links")==0) {
-     ret= Xorriso_option_follow(xorriso, "on", 0);
-     if(ret<=0)
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "f",
+                                  &option_d, &iso_level, &lower_r, ra_text, 2);
+     if(ret <= 0)
        goto problem_handler_1;
    } else if(strcmp(argpt, "-iso-level")==0) {
      if(i+1>=argc)
@@ -1197,6 +1292,10 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
      Xorriso_option_md5(xorriso, "on", 0);
    } else if(strcmp(argpt, "-z")==0 ||
              strcmp(argpt, "-transparent-compression")==0) {
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "z",
+                                  &option_d, &iso_level, &lower_r, ra_text, 2);
+     if(ret <= 0)
+       goto problem_handler_1;
      Xorriso_option_zisofs(xorriso, "by_magic=on", 0);
    } else if(strcmp(argpt, "--stdio_sync")==0) {
      if(i+1>=argc)
@@ -1214,11 +1313,26 @@ int Xorriso_genisofs(struct XorrisO *xorriso, char *whom,
    } else if(strcmp(argpt, "-log-file") == 0) {
      /* already handled before this loop */;
    } else {
-     was_other_option= 1;
-     hargv[0]= argpt;
-     ret= Xorriso_genisofs_count_args(xorriso, argc - i, hargv, &count, 0);
-     if(ret > 0)
-       i+= count; /* skip eventual arguments of known option */
+     if(argv[i][0] == '-') {
+       ret= Xorriso_genisofs_fused_options(xorriso, whom, argv[i] + 1,
+                              &option_d, &iso_level, &lower_r, ra_text, 1 | 2);
+       if(ret != 1)
+         was_other_option= 1;
+     } else {
+       ret= 0;
+       was_other_option= 1;
+     }
+     if(ret > 0) {
+       Xorriso_genisofs_fused_options(xorriso, whom, argv[i] + 1,
+                                  &option_d, &iso_level, &lower_r, ra_text, 2);
+       if(ret <= 0) 
+         goto problem_handler_1;
+     } else {
+       hargv[0]= argpt;
+       ret= Xorriso_genisofs_count_args(xorriso, argc - i, hargv, &count, 0);
+       if(ret > 0)
+         i+= count; /* skip eventual arguments of known option */
+     }
    }
  continue; /* regular bottom of loop */
 problem_handler_1:;
@@ -1343,9 +1457,15 @@ illegal_c:;
    } else if(strcmp(argpt, "-R")==0 || strcmp(argpt, "-rock")==0) {
      /* ok */;
    } else if(strcmp(argpt, "-r")==0 || strcmp(argpt, "-rational-rock")==0){
-     lower_r= 1;
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "r",
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+     if(ret <= 0)
+       goto problem_handler_2;
    } else if(strcmp(argpt, "-J")==0 || strcmp(argpt, "-joliet")==0) {
-     xorriso->do_joliet= 1;
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "J",
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+     if(ret <= 0)
+       goto problem_handler_2;
    } else if(strcmp(argpt, "-joliet-long")==0) {
      Xorriso_relax_compliance(xorriso,
                               "joliet_long_paths:joliet_long_names", 0);
@@ -1519,8 +1639,10 @@ not_enough_args:;
      /* was already handled in first argument scan */;
    } else if(strcmp(argpt, "-U") == 0 ||
              strcmp(argpt, "-untranslated-filenames") == 0) {
-     Xorriso_relax_compliance(xorriso,
-       "no_force_dots:long_paths:long_names:omit_version:full_ascii:lowercase", 0);
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "U",
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+     if(ret <= 0)
+       goto problem_handler_2;
    } else if(strcmp(argpt, "-untranslated_name_len") == 0) {
      if(i+1>=argc)
        goto not_enough_args;
@@ -1531,18 +1653,24 @@ not_enough_args:;
        goto problem_handler_2;
    } else if(strcmp(argpt, "-N") == 0 ||
              strcmp(argpt, "-omit-version-number") == 0) {
-     Xorriso_relax_compliance(xorriso, "omit_version", 0);
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "N",
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+     if(ret <= 0)
+       goto problem_handler_2;
    } else if(strcmp(argpt, "-l") == 0 ||
              strcmp(argpt, "-full-iso9660-filenames") == 0) {
-     if(xorriso->iso_level <= 2)
-       Xorriso_relax_compliance(xorriso, "iso_9660_level=2", 0);
-     if(iso_level <= 2)
-       iso_level= 2;
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "l",
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+     if(ret <= 0)
+       goto problem_handler_2;
    } else if(strcmp(argpt, "-max-iso9660-filenames") == 0) {
      Xorriso_relax_compliance(xorriso, "long_names", 0);
    } else if(strcmp(argpt, "-d") == 0 ||
              strcmp(argpt, "-omit-period") == 0) {
-     Xorriso_relax_compliance(xorriso, "no_force_dots", 0);
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "d",
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+     if(ret <= 0)
+       goto problem_handler_2;
    } else if(strcmp(argpt, "-allow-lowercase") == 0) {
      Xorriso_relax_compliance(xorriso, "lowercase", 0);
    } else if(strcmp(argpt, "-relaxed-filenames") == 0) {
@@ -1678,7 +1806,10 @@ not_enough_args:;
 
    } else if(strcmp(argpt, "-D") == 0 ||
              strcmp(argpt, "-disable-deep-relocation") == 0) {
-     option_d= 1;
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, "D",
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+     if(ret <= 0)
+       goto problem_handler_2;
 
    } else if(strcmp(argpt, "-hide-rr-moved") == 0) {
      rr_reloc_dir_pt= ".rr_moved";
@@ -1705,16 +1836,25 @@ rr_reloc_dir:;
      /* was already handled before this loop */;
 
    } else if(argpt[0]=='-' && argpt[1]!=0) {
-     hargv[0]= argpt;
-     ret= Xorriso_genisofs_count_args(xorriso, argc - i, hargv, &count, 1);
-     if(ret > 0) {
-       sprintf(xorriso->info_text, "-as %s: Unsupported option %s",
-               whom, Text_shellsafe(argv[i], sfe, 0));
-       Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
-       i+= count;
-       goto problem_handler_2;
-     } else
-       goto is_pathspec_2;
+     ret= Xorriso_genisofs_fused_options(xorriso, whom, argv[i] + 1,
+                                  &option_d, &iso_level, &lower_r, ra_text, 1);
+     if(ret == 1) {
+       ret= Xorriso_genisofs_fused_options(xorriso, whom, argv[i] + 1,
+                                  &option_d, &iso_level, &lower_r, ra_text, 0);
+       if(ret <= 0)
+         goto problem_handler_2;
+     } else {
+       hargv[0]= argpt;
+       ret= Xorriso_genisofs_count_args(xorriso, argc - i, hargv, &count, 1);
+       if(ret > 0) {
+         sprintf(xorriso->info_text, "-as %s: Unsupported option %s",
+                 whom, Text_shellsafe(argv[i], sfe, 0));
+         Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
+         i+= count;
+         goto problem_handler_2;
+       } else
+         goto is_pathspec_2;
+     }
    } else {
 is_pathspec_2:;
      /* implementing mkisofs tendency to map single-path pathspecs to / */
@@ -1893,6 +2033,8 @@ problem_handler_2:;
      argpt= argv[i] + 1;
    else
      argpt= argv[i];
+   if(ret <= 0)
+     goto ex;
    if(strcmp(argpt, "-no-emul-boot")==0) {
      emul_boot= xorriso->boot_image_emul= 0;
    } else if(strcmp(argpt, "-hard-disk-boot")==0) {
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index a380782d..a9d30875 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2012.04.22.100352"
+#define Xorriso_timestamP "2012.04.25.191110"