diff -r a09ec6daaa19 -r 91ea607a34d8 src/HOL/MicroJava/JVM/JVMInstructions.thy
--- a/src/HOL/MicroJava/JVM/JVMInstructions.thy	Thu Sep 11 19:26:59 2014 +0200
+++ b/src/HOL/MicroJava/JVM/JVMInstructions.thy	Thu Sep 11 19:32:36 2014 +0200
@@ -8,7 +8,7 @@
 theory JVMInstructions imports JVMState begin
 
 
-datatype_new 
+datatype 
   instr = Load nat                  -- "load from local variable"
         | Store nat                 -- "store into local variable"
         | LitPush val               -- "push a literal (constant)"