ZF/ex/ROOT: added .ML to use command use "ex/twos_compl"
Should be able to delete this after fixing the treatment of orphans.

--- a/src/ZF/ex/ROOT.ML	Wed Aug 17 10:34:44 1994 +0200
+++ b/src/ZF/ex/ROOT.ML	Wed Aug 17 10:38:37 1994 +0200
@@ -16,7 +16,9 @@
 time_use     "ex/misc.ML";
 time_use_thy "ex/Ramsey";
 
-(*Equivalence classes; integers; Binary integer arithmetic*)
+(*Integers & Binary integer arithmetic*)
+use "ex/twos_compl.ML";		(*can delete after autoloader change
+				  and addition of "twos_compl" to Bin.thy*)
 time_use_thy "ex/Bin";
 
 (** Datatypes **)