--- a/Nominal/Ex/Lambda.thy	Tue May 22 14:55:58 2012 +0200
+++ b/Nominal/Ex/Lambda.thy	Wed May 23 23:57:27 2012 +0100
@@ -7,6 +7,7 @@
 
 atom_decl name
 
+
 ML {* trace := true *}
 
 nominal_datatype lam =