--- rpl/modules/sets/sets.rplc	2017/07/04 10:28:08	1.6
+++ rpl/modules/sets/sets.rplc	2017/07/30 21:59:03	1.7
@@ -20,6 +20,8 @@ endSubroutine
 exportExternalFunctions(
 		complement,
 		intersection,
+		l->s,
+		s->l,
 		union);
 
 // vim: ts=4