diff -r 5cec4ca719d1 -r 3fe7e97ccca8 src/HOL/Bali/TypeSafe.thy
--- a/src/HOL/Bali/TypeSafe.thy	Fri Apr 16 20:56:40 2010 +0200
+++ b/src/HOL/Bali/TypeSafe.thy	Fri Apr 16 21:28:09 2010 +0200
@@ -9,7 +9,7 @@
 
 section "error free"
  
-hide const field
+hide_const field
 
 lemma error_free_halloc:
   assumes halloc: "G\<turnstile>s0 \<midarrow>halloc oi\<succ>a\<rightarrow> s1" and