--- a/src/HOL/ex/ExecutableContent.thy Mon Aug 27 08:31:01 2007 +0200
+++ b/src/HOL/ex/ExecutableContent.thy Mon Aug 27 11:34:14 2007 +0200
@@ -19,7 +19,7 @@
List_Prefix
Nat_Infinity
NatPair
- (*Nested_Environment*)
+ Nested_Environment
Permutation
Primes
Product_ord