diff -r 25af24e1f37b -r 180f1b3508ed src/HOL/HOLCF/IOA/ex/TrivEx2.thy
--- a/src/HOL/HOLCF/IOA/ex/TrivEx2.thy	Tue Sep 09 17:51:07 2014 +0200
+++ b/src/HOL/HOLCF/IOA/ex/TrivEx2.thy	Tue Sep 09 20:51:36 2014 +0200
@@ -8,7 +8,7 @@
 imports IOA Abstraction
 begin
 
-datatype action = INC
+datatype_new action = INC
 
 definition
   C_asig :: "action signature" where