--- a/docs/obs-concept.rst	Wed Mar 21 12:11:43 2012 +0100
+++ b/docs/obs-concept.rst	Wed Mar 21 19:09:24 2012 +0100
@@ -35,7 +35,7 @@
 
 
 
-.. figure:: ./figures/example-1-update.png
+.. figure:: ./figures/example-1-update.*
 
     *Updating* a changeset
 
@@ -43,20 +43,20 @@
 
 
 
-.. figure:: ./figures/example-2-split.png
+.. figure:: ./figures/example-2-split.*
 
     *Splitting* a changeset in multiple one
 
     Create one obsolete marker ``([B1, B2] obsolete B)]``
 
 
-.. figure:: ./figures/example-3-merge.png
+.. figure:: ./figures/example-3-merge.*
 
     *Merging* multiple changeset in a single one
 
     Create two obsolete markers ``([C] obsolete A), ([C] obsolete B)``
 
-.. figure:: ./figures/example-4-reorder.png
+.. figure:: ./figures/example-4-reorder.*
 
     *Moving* changeset around
 
@@ -65,7 +65,7 @@
 
 
 
-.. figure:: ./figures/example-5-delete.png
+.. figure:: ./figures/example-5-delete.*
 
     *Removing* a changeset:
 
@@ -122,7 +122,7 @@
 With current version of mercurial, this *obsolete* part is stripped from the
 repository before the end of every rewritting operation.
 
-.. figure:: ./figures/error-obsolete.png
+.. figure:: ./figures/error-obsolete.*
 
     Rebasing `B` and `C` on `A` (as `B'`, `C'`)
 
@@ -148,7 +148,7 @@
 
 *Non-obsolete* changeset based on *obsolete* one are said **unstable**
 
-.. figure:: ./figures/error-unstable.png
+.. figure:: ./figures/error-unstable.*
 
     Amend `A` into `A'` leaving `B` behind.
 
@@ -187,7 +187,7 @@
 * *obsolete* changeset with *unstable* descendants, said **suspended**.
 
 
-.. figure:: ./figures/error-extinct.png
+.. figure:: ./figures/error-extinct.*
 
     Amend `A` and `C` leaving `B` behind.
 
@@ -210,7 +210,7 @@
 different versions.
 
 
-.. figure:: ./figures/error-conflicting.png
+.. figure:: ./figures/error-conflicting.*
 
     Conflicting rewriting of `A` into `A'` and `A''`