diff -r b93cc55cb7ab -r df6b3bd14dcb ex/ROOT.ML
--- a/ex/ROOT.ML	Fri Dec 02 11:43:20 1994 +0100
+++ b/ex/ROOT.ML	Fri Dec 02 16:09:49 1994 +0100
@@ -20,6 +20,7 @@
 time_use_thy "Puzzle";
 time_use_thy "NatSum";
 time_use     "ex/set.ML";
+time_use_thy "SList";
 time_use_thy "LList";
 time_use_thy "Acc";
 time_use_thy "PropLog";