Renamed session to avoid name clash with offical AFP entry.

Extended_Finite_State_Machines/ROOT

@@ -1,6 +1,6 @@
 chapter AFP
 
-session Extended_Finite_State_Machines (AFP) = "HOL-Library" +
+session "Extended_Finite_State_Machines-devel" (AFP) = "HOL-Library" +
 options [timeout = 600] 
 sessions
   FinFun

README.md

@@ -11,7 +11,7 @@ submitted, as an update to the existing entry, at a later point in time.
 ## How to build
 
 ```console
-achim@logicalhacking:~$ isabelle build -D Extended_Finite_State_Machines
+achim@logicalhacking:~$ isabelle build -D Extended_Finite_State_Machines-devel
 ```
 
 ## Authors