diff --git a/ogui.ml b/ogui.ml
index 192c9b1..7754f6f 100644
--- a/ogui.ml
+++ b/ogui.ml
@@ -80,21 +80,6 @@ let string_of_utf_8_uchar uc =
 let pp_uchar : Uchar.t F.t =
  fun ppf u -> F.pf ppf "%S" (string_of_utf_8_uchar u)
 
-module Sense = struct
-  type t = {
-    click : bool;
-    drag : bool;
-    focusable : bool;
-    edit : bool;
-  }
-
-  let click =
-    { click = true; drag = false; focusable = true; edit = false }
-
-  let hover =
-    { click = false; drag = false; focusable = true; edit = false }
-end
-
 module TextBuffer = struct
   type t = {
     path : string list Lwd.var;
@@ -717,17 +702,7 @@ module Ui = struct
                   | Some (`Char _) -> Lwt_stream.junk events
                   | _ -> Lwt.return_unit)
               | Accepted _ | Continue _ | Rejected -> Lwt.return_unit)
-              (*Lwt_stream.peek events >>= function
-                | Some (`Char cc) -> (
-                    match res with
-                    | Accepted _ | Continue _ ->
-                        F.epr
-                          "Ui.process_events Lwt_stream.junk events@.";
-                        proc ~skip:(`Char cc) res
-                    | Rejected -> )
-                  | Some (`Key _) | None -> proc res *)
-              >>=
-              fun () -> proc res
+              >>= fun () -> proc res
           | `Char char ->
               F.epr "Ui.process_events `Char '%a'@." pp_uchar
                 (Uchar.of_int char);
@@ -1170,10 +1145,9 @@ module Layout = struct
     |> Lwd.map ~f:(fun tl -> frame ?size ~style (`TextEdit (t, tl)))
     |> Lwt.return
 
-  let system ui ?(style = textedit_style) d (telist : TextEdit.t list)
-      =
+  let system ui ?(style = textedit_style) d
+      (telist : TextEdit.t list Lwd.var) =
     let cursor = Lwd.var 0 in
-    let len = List.length telist in
     Ui.update_bindings ui (fun a ->
         a
         |> Event.adds
@@ -1183,11 +1157,13 @@ module Layout = struct
                  ( "window_next",
                    fun () ->
                      Lwd.set cursor
-                       (if Lwd.peek cursor < len - 1 then
-                          Lwd.peek cursor + 1
+                       (if
+                          Lwd.peek cursor
+                          < (List.length @@ Lwd.peek telist) - 1
+                        then Lwd.peek cursor + 1
                         else 0);
                      TextEdit.default_bindings
-                       (List.nth telist (Lwd.peek cursor))
+                       (List.nth (Lwd.peek telist) (Lwd.peek cursor))
                        ui;
                      Lwt.return_unit );
              ]
@@ -1200,40 +1176,45 @@ module Layout = struct
                      Lwd.set cursor
                        (if Lwd.peek cursor > 0 then
                           Lwd.peek cursor - 1
-                        else len - 1);
+                        else (Lwd.peek telist |> List.length) - 1);
                      TextEdit.default_bindings
-                       (List.nth telist (Lwd.peek cursor))
+                       (List.nth (Lwd.peek telist) (Lwd.peek cursor))
                        ui;
                      Lwt.return_unit );
              ]);
     (* let teln = List.length telist in *)
     (* let ratio n = `Ratio (1. /. float (teln - (n + 1))) in *)
-    Lwt_list.mapi_s
-      (fun n te ->
-        textedit
-          ~size:
-            (match d with
-            | `X -> (`Ratio 0.5, `Ratio 1.)
-            | `Y -> (`Ratio 1., `Ratio 0.5)
-            | `Z -> (`Ratio 1., `Ratio 1.))
-          te
-        >>= fun tl ->
-        Lwd.map2 tl (Lwd.get cursor) ~f:(fun tl cursor ->
-            {
-              tl with
-              style =
+    Lwd.map
+      ~f:(fun tl ->
+        Lwt_list.mapi_s
+          (fun n te ->
+            textedit
+              ~size:
+                (match d with
+                | `X -> (`Ratio 0.5, `Ratio 1.)
+                | `Y -> (`Ratio 1., `Ratio 0.5)
+                | `Z -> (`Ratio 1., `Ratio 1.))
+              te
+            >>= fun tl ->
+            Lwd.map2 tl (Lwd.get cursor) ~f:(fun tl cursor ->
                 {
-                  tl.style with
-                  stroke =
-                    ( fst style.stroke,
-                      if n == cursor then
-                        Gv.Color.(transf (snd style.stroke) 0.5)
-                      else snd style.stroke );
-                };
-            })
-        |> Lwt.return)
-      telist
-    >>= fun framelist -> box ~style d framelist |> Lwt.return
+                  tl with
+                  style =
+                    {
+                      tl.style with
+                      stroke =
+                        ( fst style.stroke,
+                          if n == cursor then
+                            Gv.Color.(transf (snd style.stroke) 0.5)
+                          else snd style.stroke );
+                    };
+                })
+            |> Lwt.return)
+          tl
+        >>= fun framelist -> box ~style d framelist |> Lwt.return)
+      (Lwd.get telist)
+    |> lwt_lwd
+    >>= fun d -> Lwd.join d |> Lwt.return
 
   let pp_dir ppf (t : [ `X | `Y | `Z ]) =
     F.pf ppf "%s"
diff --git a/oplevel.ml b/oplevel.ml
index fb9da77..9563cfa 100644
--- a/oplevel.ml
+++ b/oplevel.ml
@@ -160,7 +160,6 @@ let main =
                [
                  [
                    Key (Press, X, [ Control ]);
-                   Key (Release, X, [ Control ]);
                    Key (Press, E, [ Control ]);
                  ];
                ]
@@ -168,7 +167,6 @@ let main =
                  Custom
                    ( "toplevel_execute",
                      fun () ->
-                       F.epr "Ctrl-X Ctrl-E@.";
                        TextBuffer.peek tb_init >>= fun str ->
                        Toploop.use_input out_ppf (String str)
                        |> F.epr "Toploop.use_input=%b@.";
@@ -179,7 +177,11 @@ let main =
     system ui `Y
       ~style:
         Style.{ default with margin = Margin.symmetric 10.0 10.0 }
-      [ TextEdit.multiline ui tb_init; TextEdit.multiline ui to_init ])
+      (Lwd.var
+         [
+           TextEdit.multiline ui tb_init;
+           TextEdit.multiline ui to_init;
+         ]))
   >>= fun page ->
   let page_root = Lwd.observe page in