--- a/README	Tue Sep 13 21:15:31 2011 +0200
+++ b/README	Tue Sep 13 21:29:52 2011 +0200
@@ -28,49 +28,6 @@
 
 
 
-Obsolete Extension
-======================
-
-state: in progress
-
-This extension introduces the *obsolete* concept. It adds a new *obsolete*
-relation between two changesets. A relation ``<changeset B> obsolete <changeset
-A>`` is set to denote that ``<changeset B>`` is new version of ``<changeset
-A>``.
-
-The *obsolete* relation act as a **perpendicular history** to the standard
-changeset history. Standard changeset history versions files. The *obsolete*
-relation versions changesets.
-
-Usage and Feature
-------------------
-
-obsolete changesets are hidden.
-
-Commands
-........
-
-
-a ``debugobsolete`` command has been added.
-
-
-To Do
------
-
-* do not exchange them
-
-* handle non-obsolete children
-
-* exchange the obsolete information
-
-* refuse to obsolete published changesets
-
-* handle split
-
-* handle conflict
-
-* handle out of sync
-
 rewrite Extension
 ======================