--- a/documentation/graphs/fsm_change.dot	Tue Feb 02 19:38:32 2010 +0100
+++ b/documentation/graphs/fsm_change.dot	Fri Feb 05 10:29:47 2010 +0100
@@ -3,32 +3,32 @@
 
 digraph change {
 
-	start [fontname="Helvetica"]
-	start -> check [weight=5]
+    start [fontname="Helvetica"]
+    start -> check [weight=5]
 
-	check [fontname="Helvetica"]
-	check -> status [weight=5]
-	check -> error [fontname="Helvetica", label="Response\ntimeout"]
+    check [fontname="Helvetica"]
+    check -> status [weight=5]
+    check -> error [fontname="Helvetica", label="Response\ntimeout"]
 
-	status [fontname="Helvetica"]
-	status -> end [fontname="Helvetica", label="Success", weight=5]
-	status -> code [fontname="Helvetica", label="Refuse", weight=5]
-	status -> error [fontname="Helvetica", label="Change\ntimeout"]
+    status [fontname="Helvetica"]
+    status -> end [fontname="Helvetica", label="Success", weight=5]
+    status -> code [fontname="Helvetica", label="Refuse", weight=5]
+    status -> error [fontname="Helvetica", label="Change\ntimeout"]
 
-	code [fontname="Helvetica"]
-	code -> ack [weight=2]
+    code [fontname="Helvetica"]
+    code -> ack [weight=2]
 
-	start_ack [fontname="Helvetica"]
-	start_ack -> ack [fontname="Helvetica", label="Ack only"]
+    start_ack [fontname="Helvetica"]
+    start_ack -> ack [fontname="Helvetica", label="Ack only"]
 
-	ack [fontname="Helvetica"]
-	ack -> check_ack [weight=2]
+    ack [fontname="Helvetica"]
+    ack -> check_ack [weight=2]
 
-	check_ack [fontname="Helvetica"]
-	check_ack -> end [fontname="Helvetica", label="Ack only"]
-	check_ack -> error [weight=2]
+    check_ack [fontname="Helvetica"]
+    check_ack -> end [fontname="Helvetica", label="Ack only"]
+    check_ack -> error [weight=2]
 
-	end [fontname="Helvetica"]
+    end [fontname="Helvetica"]
 
-	error [fontname="Helvetica"]
+    error [fontname="Helvetica"]
 }