diff --git a/doc/todo/0.6 b/doc/todo/0.6
index 07993ee..ee8e97f 100644
--- a/doc/todo/0.6
+++ b/doc/todo/0.6
@@ -1,3 +1,22 @@
+not did, did not remember why I wanted to do that:
+
+- do sed-time check:
+
+1.2. replace sed?
+compare timing:
+_echo () { echo "$name $msg" }
+and create
+_techo () { echo "$timestamp $name $msg" }
+perhaps create
+_eecho () { _techo "ERROR $msg" }
+?
+
+
+
+done:
+add note for
+   09:24 < telmich> Obri: ~/.ssh/config!
+
 - implement use of different intervals as source for cloning
    * use 'woechentlich' if available and no backup exists for 'daily'
    * add 'prefer_latest' to prefer different interval, that's newer than
@@ -14,39 +33,15 @@ sven / markierung
 - do not check by name, but by time
    * is ls -t posix?
    * also check: -p -1
-- do sed-time check:
-
-1.2. replace sed?
-compare timing:
-_echo () { echo "$name $msg" }
-and create
-_techo () { echo "$timestamp $name $msg" }
-perhaps create
-_eecho () { _techo "ERROR $msg" }
-?
-
 - ccollect Zeitausgabe verbessern
    - Wofuer wie lange gebraucht
    * rm
    * klonen (gibt es so ja nicht)
    Wenn Summary angegeben ist am Ende ausgeben
-- add --version, -V
 - do we want rsync -H by default?
-- add source/ignore_failed_pre_exec
-- add source/ignore_failed_post_exec
-
+   * no: takes much more memory
 ssh / port change:
    change rsync_extra format
-add note for
-   09:24 < telmich> Obri: ~/.ssh/config!
-
-
-Documentation:
-- hint: backuping backup
-- update documentation:
-   - german doc?
-   - exit pre/post exec -> error codes (after implementation!) (in 0.4)
-   - write about fast changing fs
 - Variables:
    source_$n
    no_sources
@@ -54,12 +49,15 @@ Documentation:
 - changed naming of sources:
    YYYYMMDD-HHMM.PID (better readable)
       => source / backup converter! => not needed!
-- delete_incomplete
-
 config:
    set destination-base
    /etc/ccollect/defaults/source_config
 
-
-done:
+Documentation:
+- hint: backuping backup
+- update documentation:
+   - german doc?
+   - exit pre/post exec -> error codes (after implementation!) (in 0.4)
+   - write about fast changing fs
+- delete_incomplete
 
diff --git a/doc/todo/0.6.1 b/doc/todo/0.6.1
index 1b19bc0..88db122 100644
--- a/doc/todo/0.6.1
+++ b/doc/todo/0.6.1
@@ -2,3 +2,11 @@
    o strip of interval name
    o run sort -n
    o use the last entry
+- do not delete_incomplete, when there's only one backup left!
+- Add filter support
+   * filter
+- think about 'prefer_same_interval' / 'prefer_latest'
+- add --version, -V
+- add source/ignore_failed_pre_exec
+- add source/ignore_failed_post_exec
+