diff --git a/ChangeLog b/ChangeLog
index 6f3c26f7..7515be14 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
-SVN trunk (to become libisoburn-0.6.6.pl00.tar.gz)
+SVN trunk (to become libisoburn-0.6.8.pl00.tar.gz)
+===============================================================================
+- no novelties yet
+
+libisoburn-0.6.6.pl00.tar.gz  Sun Dec 12 2010
 ===============================================================================
 libisoburn novelties:
 * New API calls isoburn_igopt_set_disc_label(), isoburn_igopt_get_disc_label()
diff --git a/xorriso/changelog.txt b/xorriso/changelog.txt
index 4fa9171a..9c9b6bb4 100644
--- a/xorriso/changelog.txt
+++ b/xorriso/changelog.txt
@@ -8962,14 +8962,280 @@ xorriso/configure_ac.txt
 xorriso/xorriso_timestamp.h
 Version leap to libisoburn-0.6.5
 
-26 Oct 2010  []
+26 Oct 2010  [3470]
 ChangeLog
 xorriso/changelog.txt
 Documented changes and release timestamp
 
+26 Oct 2010  [3471]
+svn move -m Promoted branch to tag
+http://svn.libburnia-project.org/libisoburn/branches/ZeroSixFour
+http://svn.libburnia-project.org/libisoburn/tags/ZeroSixFour
+
 ------------------------------------ cycle  - xorriso-0.6.5 - 2010.10.26.104219
 
 
+2010.10.27.063628  [3472]
+xorriso/emulators.c
+Bug fix: -as mkisofs -print-size printed the size but also produced ISO image
+
+2010.10.27.063705  [3473]
+xorriso/emulators.c
+New -as mkisofs option -joliet-long
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.10.27.063705
+* Bug fix: -as mkisofs -print-size printed the size but also produced ISO image
+* New -as mkisofs option -joliet-long
+
+
+2010.10.29.164503  [3475]
+xorriso/write_run.c
+Added necessary isoburn_cancel_prepared_write() calls
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.10.29.164503
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.11.01.113243
+* Build problem fix on Linux 2.4 in GNU xorriso libjte/checksum.c
+
+
+2010.11.01.191542  [3477]
+xorriso/iso_manip.c
+Allowed to perform -rm_r /
+
+2010.11.03.081124  [3478]
+xorriso/xorriso_private.h
+xorriso/base_obj.c
+xorriso/drive_mgt.h
+xorriso/drive_mgt.c
+xorriso/findjob.c
+xorriso/read_run.c
+Testing for abort file during -check_media
+
+2010.11.05.143916  [3470]
+libisoburn/libisoburn.h
+libisoburn/isoburn.h
+libisoburn/isoburn.c
+libisoburn/libisoburn.ver
+New API calls isoburn_igopt_set_disc_label(), isoburn_igopt_get_disc_label()
+
+2010.11.05.144616  [3480]
+xorriso/xorriso_private.h
+xorriso/base_obj.c
+xorriso/opts_a_c.c
+xorriso/opts_d_h.c
+xorriso/emulators.c
+xorriso/iso_img.c
+xorriso/write_run.c
+New bootspec sparc_label=, new -as mkisofs options -sparc-boot , -sparc-label
+
+05 Nov 2010  [3481]
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+Documentation changes of rev 3480
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.11.05.144616
+* New API calls isoburn_igopt_set_disc_label(), isoburn_igopt_get_disc_label()
+* New bootspec sparc_label=, new -as mkisofs options -sparc-boot , -sparc-label
+
+
+2010.11.06.133454  [3482]
+libisoburn/libisoburn.h
+xorriso/write_run.c
+ChangeLog
+Declared that isoburn_cancel_prepared_write() waits until iso write thread ends
+
+2010.11.21.065727  [3484]
+xorriso/make_xorriso_standalone.sh
+Included jigdo-gen-md5-list in GNU xorriso
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.11.21.065727
+
+
+2010.11.23.193708  [3485]
+xorriso/iso_img.c
+Improved behavior with loading multiple boot images of identical content
+
+2010.11.23.200346  [3486]
+xorriso/xorriso_private.h
+xorriso/base_obj.c
+xorriso/lib_mgt.c
+xorriso/write_run.c
+Avoided to bother libjte if no output paths are given
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.11.23.200346
+
+2010.11.24.100845  [3487]
+libisoburn/libisoburn.h
+libisoburn/isoburn.h
+libisoburn/isoburn.c
+New pseudo extension isoburn_igopt_will_cancel to avoid MISHAP event
+
+2010.11.24.101056  [3488]
+xorriso/write_run.c
+Making use of isoburn_igopt_will_cancel with xorriso -print_size
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.11.24.101056
+
+
+2010.11.27.134702  [3489]
+configure.ac
+libisoburn/libisoburn.h
+Requiring libisofs-0.6.39 now
+
+2010.11.30.093929  [3490]
+libisoburn/libisoburn.h
+libisoburn/isoburn.h
+libisoburn/isoburn.c
+libisoburn/isofs_wrap.c
+libisoburn/data_source.c
+libisoburn/libisoburn.ver
+New API calls isoburn_ropt_set_displacement(), isoburn_ropt_get_displacement()
+
+2010.11.30.094310  [3491]
+xorriso/xorriso.h
+xorriso/xorriso_private.h
+xorriso/base_obj.c
+xorriso/parse_exec.c
+xorriso/opts_d_h.c
+xorriso/drive_mgt.c
+xorriso/text_io.c
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+libisoburn/libisoburn.ver
+ChangeLog
+New option -displacement
+
+2010.11.30.104719  [3492]
+xorriso/opts_a_c.c
+xorriso/opts_d_h.c
+xorriso/opts_i_o.c
+xorriso/disk_ops.h
+xorriso/disk_ops.c
+Improved messages at the end of partially failed -extract runs
+
+2010.11.30.112050  [3493]
+xorriso/opts_p_z.c
+Processing output of -as mkisofs by -pkt_output if enabled
+
+2010.11.30.170112  [3494]
+xorriso/parse_exec.c
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+Clarified occasions of -mark message and removed surplus -mark message emitter
+
+2010.12.01.173750  [3495]
+libisoburn/libisoburn.h
+Clarified description of isoburn_ropt_set_displacement()
+
+2010.12.02.063209  [3496]
+xorriso/xorriso.h
+xorriso/xorriso_private.h
+xorriso/xorriso_main.c
+xorriso/opts_d_h.c
+xorriso/emulators.c
+xorriso/iso_img.c
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+No -rollback in -as mkisofs -print-size. New flag in Xorriso_change_is_pending.
+
+2010.12.02.111029  [3497]
+xorriso/xorrisoburn.h
+xorriso/opts_d_h.c
+xorriso/disk_ops.c
+xorriso/iso_manip.c
+xorriso/findjob.h
+xorriso/findjob.c
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+New action estimate_size for -find and -findx
+
+------------------------------------ cycle  - xorriso-0.6.5 - 2010.12.02.111029
+* New API calls isoburn_ropt_set_displacement(), isoburn_ropt_get_displacement()
+* New option -displacement
+* New action estimate_size for -find and -findx
+
+
+2010.12.04.174311  [3498]
+libisoburn/isofs_wrap.c
+Fixed a bug about read displacement introduced with rev 3490
+
+2010.12.04.174431  [3499]
+xorriso/write_run.c
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+Preliminarily banned writing while read displacement is non-zero
+
+2010.12.06.094347  [3500]
+xorriso/opts_a_c.c
+xorriso/write_run.c
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+Allowed writing with read displacement if target media is blank
+
+2010.12.07.174921  [3501]
+xorriso/iso_img.c
+Made -rom_toc_scan emul_off work with -mount ... sbsector ... 
+
+2010.12.08.194225  [3510]
+xorriso/opts_d_h.c
+Fixed a potential bug introduced with rev 3497
+
+2010.12.08.194325  [3511]
+xorriso/iso_img.c
+Fixed a bug introduced with rev 3501
+
+08 Dec 2010  [3512]
+xorriso/configure_ac.txt
+GNU xorriso version leap to libburn-0.9.1
+
+2010.12.10.123534  [3513]
+configure.ac
+libisoburn/libisoburn.h
+Requiring libisofs-0.6.40 now
+
+2010.12.10.123634  [3514]
+xorriso/configure_ac.txt
+Adapted GNU xorriso to version leap libisofs-0.6.41
+
+11 Dec 2010  [3515]
+xorriso/xorriso.texi
+xorriso/xorriso.info
+xorriso/xorriso.1
+Clarification about -md5, -check_media and -find ... -damaged
+
+12 Dec 2010  [2516]
+svn copy -m Branching for libisoburn release 0.6.6
+http://svn.libburnia-project.org/libisoburn/trunk
+http://svn.libburnia-project.org/libisoburn/branches/ZeroSixSix
+
+12 Dec 2010  [3517]
+configure.ac
+README
+libisoburn/libisoburn.h
+xorriso/README_gnu_xorriso
+xorriso/xorriso.h
+xorriso/xorrisoburn.h
+xorriso/xorriso_main.c
+xorriso/xorriso_eng.html
+xorriso/make_xorriso_standalone.sh
+xorriso/configure_ac.txt
+xorriso/xorriso_timestamp.h
+Version leap to libisoburn-0.6.6
+
+12 Dec 2010  []
+ChangeLog
+xorriso/changelog.txt
+Documented changes and release timestamp
+
+
+
 
 ------------------------------------ cycle  - xorriso-0.6.5 - 
 ------------------------------------ cycle  - xorriso-0.6.5 - 
@@ -8985,12 +9251,6 @@ Important: When adding a public API function then add its name to file
 ===============================================================================
 
 
-- If libburn ends reading before libisofs is done and without canceling
-  burn source, then xorriso pacifier finally has to give up waiting
-  - Does isoburn_cancel_prepared_write() guarantee wait until it is done ?
-    - Does ecma119.c:bs_cancel() guarantee this ?
-
-
 /sbin/mkfs.msdos -n Bla -C /dvdbuffer/test.fat 8192
 
 dd if=/dvdbuffer/RIPLinux-9.3-non-X.iso bs=1K count=32 \
@@ -9061,9 +9321,6 @@ r -as mkisofs \
 ? jte-develop/doc/jigdo-gen-md5-list.1
 
 
-- Should iso_write() buffer up to full 2k blocks ?
-  Currently it forwards many small chunks to .template.
-
 
 ------------------------------------------------- For Debian:
 
@@ -9072,14 +9329,10 @@ r -as mkisofs \
    - recognize at load time and build boot file list
   -mipsel-boot is implemented
    - recognize at load time and build boot file list
-  -sparc-boot
+  -sparc-boot is implemented
+   - recognize at load time
 
-
-# Make the firmware volume.
-tmpdir="$(mktemp -d)"
-firmware_volume_file="$tmpdir/fat"
-mkfs.msdos -n "$firmware_volume_name" -C "$firmware_volume_file" \
-	$(expr $firmware_volume_size_M \* 1024)
+r -abort_on NEVER -report_about ALL -dialog on -page 20 80 -as mkisofs -o /dvdbuffer/pseudo_drive /u/gruenbeck -G /u/x -B ... -sparc-label 'xorriso test'
 
 
 ------------------------------------------------- For Solaris
@@ -9120,30 +9373,6 @@ mkfs.msdos -n "$firmware_volume_name" -C "$firmware_volume_file" \
 
 ------------------------------------------------- bugs
 
-- Empty boot image file
-  -boot_image any bin_path=/with_bytes
-  -boot_image any next
-  -boot_image any bin_path=/empty_file
-  reports no problems during write but causes strange load messages
-xorriso : NOTE : Loading ISO image tree from LBA 0
-libisofs: WARNING : More than one ISO node has been found for the same boot image.
-xorriso : UPDATE : 3905 nodes read in 1 seconds
-libisofs: WARNING : More than one ISO node has been found for the same boot image.
-libisofs: WARNING : Found hidden El-Torito image. Its size could not be figure out, so image modify or boot image patching may lead to bad results.
-  -boot_image any show_status
-  yields
-Boot record  : El Torito
-Boot catalog : '/u/boot.cat'
-Boot image   : '/u/x'
-Boot image   : -not-found-any-more-
-
-
-- xorriso ... -b ... -c does/not/exist/in/image ...
-yields riddling error message:
-  libisofs: FAILURE : A requested node does not exist
-  xorriso : FAILURE : Could not attach El-Torito boot image to ISO 9660 image
-
-
 - An ISO image as first file of a stdout stream might start at LBA 32
   and thus look like a session. It has not the proper offset, though.
 
@@ -9173,8 +9402,12 @@ xorriso : UPDATE : 3691 MB written (fifo 78%) [buf 100%]   2.3x.
 
 ------------------------------------------------- important
 
-- introduce a read offset for displaced ISO images ?
-  (Copy from CD block 123456 to disk. Apply -img_displaced_by 123456s )
+- introduce a read offset for displaced ISO images
+  - coordinate -displacement with image growing
+
+- improve find action estimate_size.
+  - take into account indispensible RR and eventual Joliet stuff 
+  - take into account the eventual file checksums.
 
 - options -print_info , -print_mark
 
@@ -9208,10 +9441,6 @@ xorriso : UPDATE : 3691 MB written (fifo 78%) [buf 100%]   2.3x.
 
 ------------------------------------------------- development
 
-- Is it possible to make use of iso_node_set_hidden()
-  to hide e.g. boot catalogs ?
-  Eventually emulate mkisofs -hide -hide-list
-
 - Special pseudo ACL: "--remove-default"
 
 - libisofs , libburn , own system adapter ? :
@@ -9221,9 +9450,6 @@ xorriso : UPDATE : 3691 MB written (fifo 78%) [buf 100%]   2.3x.
 
 - -load option to ignore existing images
 
-- image sort weight control:
-    isoburn_igopt_set_sort_files iso_node_set_sort_weight
-
 - random access read and write option
 
 - option to patch the mount image size and location on overwriteables
@@ -9284,9 +9510,6 @@ xorriso : UPDATE : 3691 MB written (fifo 78%) [buf 100%]   2.3x.
   Some hash accelerator would be nice.
 
 
-- A dummy option in IsoWriteOpts which causes iso_image_create_burn_source()
-  to end before actually data get written. (For -print_size)
-
 - Re-use unchanged sub trees in the previous image in order to
   reduce the session overhead.