--- a/stx_libbasic2.st	Sun Jun 18 17:49:53 2017 +0200
+++ b/stx_libbasic2.st	Sun Jun 18 17:54:28 2017 +0200
@@ -351,6 +351,9 @@
         SftpURI
         UnlimitedSharedQueue
         (DoubleLinkedList autoload)
+        (SkipList autoload)
+        (IdentitySkipList autoload)
+        (SkipListNode autoload)
     )
 !