diff -r f4779adcd1a2 -r 11e1a67fbfe8 src/HOL/Nominal/Examples/ROOT.ML
--- a/src/HOL/Nominal/Examples/ROOT.ML	Fri May 25 00:36:54 2007 +0200
+++ b/src/HOL/Nominal/Examples/ROOT.ML	Fri May 25 05:18:56 2007 +0200
@@ -7,7 +7,7 @@
 
 use_thy "CR";
 use_thy "CR_Takahashi";
-use_thy "Class";
+(*use_thy "Class";*)
 use_thy "Compile";
 use_thy "Fsub";
 use_thy "Height";