diff --git a/libburn/trunk/cdrskin/cdrskin.1 b/libburn/trunk/cdrskin/cdrskin.1
index 0d2ba787..3e611dd4 100644
--- a/libburn/trunk/cdrskin/cdrskin.1
+++ b/libburn/trunk/cdrskin/cdrskin.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 CDRSKIN 1 "April 25, 2008"
+.TH CDRSKIN 1 "April 26, 2008"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -364,10 +364,24 @@ fast
 Minimally blank an entire CD-RW or blank an unformatted DVD-RW.
 (See also --prodvd_cli_compatible, --grow_overwriteable_iso)
 .TP
+deformat_sequential
+Like blank=all but with the additional ability to blank overwriteable DVD-RW.
+This will destroy their formatting and make them sequentially recordable. 
+Another peculiarity is the ability to blank media which appear already blank.
+This is similar to option -force but does not try to blank media other than
+recognizable CD-RW and DVD-RW.
+.br
+(Note: blank=deformat_* are not original cdrecord options.)
+.TP
+deformat_sequential_quickest
+Like blank=deformat_sequential but blanking DVD-RW only minimally.
+This is faster than full blanking but may yield media incapable of
+Incremental Streaming (-tao).
+.TP
 format_overwrite
 Format a DVD-RW to "Restricted Overwrite". The user should bring some patience.
 .br
-(Note: blank=format_overwrite* are not original cdrecord options.)
+(Note: blank=format_* are not original cdrecord options.)
 .TP
 format_overwrite_quickest
 Like format_overwrite without creating a 128 MiB trailblazer session.
@@ -396,6 +410,22 @@ The following format_defectmgt_* allow to submit user wishes which
 nevertheless have to match one of the available formats. These formats are
 offered by the drive after examining the media.
 .TP
+format_defectmgt_cert_off
+Disable the usual media quality certification in order to save time and
+format to default size.
+The certification setting persists even if subsequent blank= options override
+the size of the format selection.
+.br
+Whether formatting without certification works properly depends much on the
+drive. One should check the "Format status:" from --list_formats afterwards.
+.TP
+format_defectmgt_cert_on
+Re-enable the usual media quality certification and format to default size.
+The certification setting persists like with format_defectmgt_cert_off.
+.br
+Whether there happens certification at all depends much on the media state
+and the actually selected format descriptor.
+.TP
 format_defectmgt_max
 Format DVD-RAM or BD-RE to reserve a maximum number of spare blocks.
 .TP
@@ -422,20 +452,6 @@ The numbers after text "Format idx" are the ones to be used with
 format_by_index_. Format descriptor lists are volatile. Do neither eject
 nor write the media between the run of --list_formats and the run of
 blank=format_by_index_ or else you may get a different format than desired.
-.TP
-deformat_sequential
-Like blank=all but with the additional ability to blank overwriteable DVD-RW.
-This will destroy their formatting and make them sequentially recordable. 
-Another peculiarity is the ability to blank media which appear already blank.
-This is similar to option -force but does not try to blank media other than
-recognizable CD-RW and DVD-RW.
-.br
-(Note: blank=deformat_sequential* are not original cdrecord options.)
-.TP
-deformat_sequential_quickest
-Like blank=deformat_sequential but blanking DVD-RW only minimally.
-This is faster than full blanking but may yield media incapable of
-Incremental Streaming (-tao).
 .RE
 .TP
 .BI \-checkdrive
diff --git a/libburn/trunk/cdrskin/cdrskin.c b/libburn/trunk/cdrskin/cdrskin.c
index c0d664f7..7dbce7f0 100644
--- a/libburn/trunk/cdrskin/cdrskin.c
+++ b/libburn/trunk/cdrskin/cdrskin.c
@@ -2399,6 +2399,8 @@ return:
           "\tformat_overwrite_full\t\tfull-size format a DVD-RW or DVD+RW\n");
      fprintf(stderr,
           "\tformat_defectmgt[_max|_min|_none]\tformat DVD-RAM or BD-RE\n");
+     fprintf(stderr,
+          "\tformat_defectmgt[_cert_on|_cert_off]\tcertification slow|quick\n");
      fprintf(stderr,
           "\tformat_defectmgt_payload_<size>\tformat DVD-RAM or BD-RE\n");
      fprintf(stderr,
@@ -3137,6 +3139,7 @@ struct CdrskiN {
                                bit11= - reserved -
                                bit12= - reserved -
                                bit13= - reserved -
+                               bit14= - reserved -
                                bit15= format by index
                            2=deformat_sequential (blank_fast might matter)
                            3=format (= format_overwrite restricted to DVD+RW)
@@ -3155,6 +3158,7 @@ struct CdrskiN {
                                bit11= - reserved -
                                bit12= - reserved -
                                bit13= try to disable defect management
+                               bit14= - reserved -
                                bit15= format by index
                            5=format_by_index
                              gets mapped to 4 with DVD-RAM and BD-RE else to 1,
@@ -3165,6 +3169,7 @@ struct CdrskiN {
                         */
  int blank_format_index;   /* bit8-15 of burn_disc_format(flag) */
  double blank_format_size; /* to be used with burn_disc_format() */
+ int blank_format_no_certify;
 
  int do_direct_write;
  int do_burn;
@@ -3327,6 +3332,7 @@ int Cdrskin_new(struct CdrskiN **skin, struct CdrpreskiN *preskin, int flag)
  o->blank_format_type= 0;
  o->blank_format_index= -1;
  o->blank_format_size= 0.0;
+ o->blank_format_no_certify= 0;
  o->do_direct_write= 0;
  o->do_burn= 0;
  o->tell_media_space= 0;
@@ -5244,6 +5250,8 @@ unsupported_format_type:;
      format_flag|= 16;
    if(format_flag&128)
      format_flag|= (skin->blank_format_index&255)<<8;
+   if(skin->blank_format_no_certify)
+     format_flag|= 64;
    burn_disc_format(drive,(off_t) skin->blank_format_size,format_flag);
 #endif
 
@@ -7108,7 +7116,12 @@ set_blank:;
          else if(strncmp(cpt,"payload_",8)==0) {
            skin->blank_format_size= Scanf_io_size(cpt+8,0);
            skin->blank_format_type= 4;
-         }
+         } else if(strcmp(cpt,"cert_off")==0)
+           skin->blank_format_no_certify= 1;
+         else if(strcmp(cpt,"cert_on")==0)
+           skin->blank_format_no_certify= 0;
+         else
+           goto unsupported_blank_option;
        }
        skin->preskin->demands_cdrskin_caps= 1;
      } else if(strncmp(cpt,"format_by_index_",16)==0) {
@@ -7138,6 +7151,7 @@ set_blank:;
        /* is handled in Cdrpreskin_setup() */;
  continue;
      } else { 
+unsupported_blank_option:;
        fprintf(stderr,"cdrskin: FATAL : Blank option '%s' not supported yet\n",
                       cpt);
        return(0);
diff --git a/libburn/trunk/cdrskin/cdrskin_timestamp.h b/libburn/trunk/cdrskin/cdrskin_timestamp.h
index 696720be..cdc2c1ac 100644
--- a/libburn/trunk/cdrskin/cdrskin_timestamp.h
+++ b/libburn/trunk/cdrskin/cdrskin_timestamp.h
@@ -1 +1 @@
-#define Cdrskin_timestamP "2008.04.26.150646"
+#define Cdrskin_timestamP "2008.04.26.150945"