Index: program/steps/settings/save_prefs.inc
===================================================================
--- program/steps/settings/save_prefs.inc	(revision fba1f5ab813f2eb4bedc5d9c4a75e77bbaa90131)
+++ program/steps/settings/save_prefs.inc	(revision eaa39477bd53130e68bfb26d63308cc9b6af9369)
@@ -28,5 +28,7 @@
   'htmleditor'   => isset($_POST['_htmleditor']) ? TRUE : FALSE,
   'preview_pane' => isset($_POST['_preview_pane']) ? TRUE : FALSE,
-  'draft_autosave' => isset($_POST['_draft_autosave']) ? intval($_POST['_draft_autosave']) : 0
+  'logout_purge' => isset($_POST['_logout_purge']) ? TRUE : FALSE,
+  'logout_expunge' => isset($_POST['_logout_expunge']) ? TRUE : FALSE,
+  'draft_autosave' => isset($_POST['_draft_autosave']) ? intval($_POST['_draft_autosave']) : 0,
   );