diff --git a/src/haz3lweb/DocumentationEnv.re b/src/haz3lweb/DocumentationEnv.re
index ad3e91cfea..0c9737951c 100644
--- a/src/haz3lweb/DocumentationEnv.re
+++ b/src/haz3lweb/DocumentationEnv.re
@@ -565,12 +565,10 @@ module F = (DocEnv: ExerciseEnv) => {
   let stitch_term = ({eds, _}: state): stitched(TermItem.t) => {
     // let instructor =
     //   stitch3(eds.hidden_tests.tests);
-    let user_impl_term = {
+    let user_impl_term =
       // let your_impl_term =
-      eds.your_impl |> term_of |> wrap_filter(FilterAction.Step)// let prelude_term =
-                                                                 ; //   eds.prelude |> term_of |> wrap_filter(FilterAction.Eval);
-                                                                 // EditorUtil.append_exp(your_impl_term);
-    };
+      eds.your_impl |> term_of |> wrap_filter(FilterAction.Step);
+    // };
     // let test_validation_term =
     //   stitch3(eds.prelude, eds.correct_impl, eds.your_tests.tests);
     // let user_tests_term =
diff --git a/src/haz3lweb/dune b/src/haz3lweb/dune
index 5b43be3b9d..6dcaeb3b1d 100644
--- a/src/haz3lweb/dune
+++ b/src/haz3lweb/dune
@@ -35,8 +35,7 @@
   (:standard \ Main)
   \
   Worker
-  WorkerServer
-  DocumentationEnv)
+  WorkerServer)
  (libraries
   ezjs_min
   ezjs_idb
diff --git a/src/haz3lweb/view/Page.re b/src/haz3lweb/view/Page.re
index 6fea2c2666..bc430c3015 100644
--- a/src/haz3lweb/view/Page.re
+++ b/src/haz3lweb/view/Page.re
@@ -1,35 +1,27 @@
-open Util;
+// open Util;
 open Js_of_ocaml;
 open Haz3lcore;
 open Virtual_dom.Vdom;
 open Node;
 
-let key_handler =
-    (
-      ~inject: UpdateAction.t => Ui_effect.t(unit),
-      ~dir: Key.dir,
-      editor: Editor.t,
-      evt: Js.t(Dom_html.keyboardEvent),
-    )
-    : Effect.t(unit) => {
-  open Effect;
-  let key = Key.mk(dir, evt);
-  switch (ProjectorView.key_handoff(editor, key)) {
-  | Some(action) =>
-    Many([Prevent_default, inject(PerformAction(Project(action)))])
-  | None =>
-    switch (Keyboard.handle_key_event(key)) {
-    | None => Ignore
-    | Some(action) => Many([Prevent_default, inject(action)])
-    }
-  };
-};
+let handlers = (~inject: UpdateAction.t => Ui_effect.t(unit), model) => {
+  let get_selection = (model: Model.t): string =>
+    model.editors |> Editors.get_editor |> Printer.to_string_selection;
+  let key_handler =
+      (~inject, ~dir: Key.dir, evt: Js.t(Dom_html.keyboardEvent))
+      : Effect.t(unit) =>
+    Effect.(
+      switch (Keyboard.handle_key_event(Key.mk(dir, evt))) {
+      | None => Ignore
+      | Some(action) =>
+        Many([Prevent_default, Stop_propagation, inject(action)])
+      }
+    );
 
-let handlers =
-    (~inject: UpdateAction.t => Ui_effect.t(unit), editor: Editor.t) => {
   [
-    Attr.on_keyup(key_handler(~inject, editor, ~dir=KeyUp)),
-    Attr.on_keydown(key_handler(~inject, editor, ~dir=KeyDown)),
+    Attr.on_keypress(_ => Effect.Prevent_default),
+    Attr.on_keyup(key_handler(~inject, ~dir=KeyUp)),
+    Attr.on_keydown(key_handler(~inject, ~dir=KeyDown)),
     /* safety handler in case mousedown overlay doesn't catch it */
     Attr.on_mouseup(_ => inject(SetMeta(Mouseup))),
     Attr.on_blur(_ => {
@@ -41,19 +33,23 @@ let handlers =
       Effect.Ignore;
     }),
     Attr.on_copy(_ => {
-      JsUtil.copy(Printer.to_string_selection(editor));
+      JsUtil.copy(get_selection(model));
+      // JsUtil.copy(Printer.to_string_selection(editor));
       Effect.Ignore;
     }),
     Attr.on_cut(_ => {
-      JsUtil.copy(Printer.to_string_selection(editor));
+      JsUtil.copy(get_selection(model));
+      // JsUtil.copy(Printer.to_string_selection(editor));
       inject(UpdateAction.PerformAction(Destruct(Left)));
     }),
     Attr.on_paste(evt => {
       let pasted_text =
         Js.to_string(evt##.clipboardData##getData(Js.string("text")))
-        |> Util.StringUtil.trim_leading;
+        |> Str.global_replace(Str.regexp("\n[ ]*"), "\n");
+      // |> Util.StringUtil.trim_leading;
       Dom.preventDefault(evt);
-      inject(PerformAction(Paste(pasted_text)));
+      inject(UpdateAction.Paste(pasted_text));
+      // inject(PerformAction(Paste(pasted_text)));
     }),
   ];
 };
@@ -61,114 +57,167 @@ let handlers =
 let main_view =
     (
       ~inject: UpdateAction.t => Ui_effect.t(unit),
-      {settings, editors, explainThisModel, results, ui_state, _}: Model.t,
+      {settings, editors, explainThisModel, results, statics, ui_state, _}: Model.t,
     ) => {
+  // {settings, editors, explainThisModel, results, ui_state, _}: Model.t,
+
   let editor = Editors.get_editor(editors);
-  let cursor_info =
-    Indicated.ci_of(editor.state.zipper, editor.state.meta.statics.info_map);
+  let statics = Editors.lookup_statics(~settings, ~statics, editors);
+  let cursor_info = Indicated.ci_of(editor.state.zipper, statics.info_map);
+  let top_bar =
+    div(
+      ~attr=Attr.id("top-bar"),
+      NutMenu.view(~inject, ~settings, ~editors)
+      @ [div(~attr=Attr.id("title"), [text("hazel")])]
+      @ [EditorModeView.view(~inject, ~settings, ~editors)],
+    );
+  let bottom_bar = CursorInspector.view(~inject, ~settings, cursor_info);
+  let sidebar =
+    settings.explainThis.show && settings.core.statics
+      ? ExplainThis.view(
+          ~inject,
+          ~ui_state,
+          ~settings,
+          ~explainThisModel,
+          cursor_info,
+        )
+      : div([]);
+  // let cursor_info =
+  //   Indicated.ci_of(editor.state.zipper, editor.state.meta.statics.info_map);
   let highlights =
     ExplainThis.get_color_map(~settings, ~explainThisModel, cursor_info);
-  let (editors_view, cursor_info) =
+  let editors_view =
+    // let (editors_view, cursor_info) =
     switch (editors) {
     | Scratch(idx, _) =>
       let result_key = ScratchSlide.scratch_key(string_of_int(idx));
-      let view =
-        ScratchMode.view(
-          ~inject,
-          ~ui_state,
-          ~settings,
-          ~highlights,
-          ~results,
-          ~result_key,
-          editor,
-        );
-      (view, cursor_info);
+      ScratchMode.view(
+        ~inject,
+        ~ui_state,
+        ~settings,
+        ~highlights,
+        ~results,
+        ~result_key,
+        ~statics,
+        editor,
+      );
+    // let view =
+    //   ScratchMode.view(
+    //     ~inject,
+    //     ~ui_state,
+    //     ~settings,
+    //     ~highlights,
+    //     ~results,
+    //     ~result_key,
+    //     editor,
+    //   );
+    // (view, cursor_info);
     | Documentation(name, _) =>
       let result_key = ScratchSlide.scratch_key(name);
-      let view =
-        ScratchMode.view(
+      let info =
+        SlideContent.get_content(editors)
+        |> Option.map(i => div(~attr=Attr.id("slide"), [i]))
+        |> Option.to_list;
+      info
+      @ ScratchMode.view(
+          // let view =
+          //   ScratchMode.view(
           ~inject,
           ~ui_state,
           ~settings,
           ~highlights,
           ~results,
           ~result_key,
+          ~statics,
           editor,
         );
-      let info =
-        SlideContent.get_content(editors)
-        |> Option.map(i => div(~attrs=[Attr.id("slide")], [i]))
-        |> Option.to_list;
-      (info @ view, cursor_info);
+    // let info =
+    //   SlideContent.get_content(editors)
+    //   |> Option.map(i => div(~attrs=[Attr.id("slide")], [i]))
+    //   |> Option.to_list;
+    // (info @ view, cursor_info);
     | Exercises(_, _, exercise) =>
-      /* Note the exercises mode uses a seperate path to calculate
-       * statics and dynamics via stitching together multiple editors */
-      let stitched_dynamics =
-        Exercise.stitch_dynamic(
-          settings.core,
-          exercise,
-          settings.core.dynamics ? Some(results) : None,
-        );
-      let statics =
-        Exercise.statics_of_stiched_dynamics(exercise, stitched_dynamics);
-      let cursor_info =
-        Indicated.ci_of(editor.state.zipper, statics.info_map);
-      let highlights =
-        ExplainThis.get_color_map(~settings, ~explainThisModel, cursor_info);
-      let view =
-        ExerciseMode.view(
-          ~inject,
-          ~ui_state,
-          ~settings,
-          ~highlights,
-          ~stitched_dynamics,
-          ~exercise,
-        );
-      (view, cursor_info);
+      ExerciseMode.view(
+        ~inject,
+        ~ui_state,
+        ~settings,
+        ~highlights,
+        ~results,
+        ~exercise,
+      )
+    // /* Note the exercises mode uses a seperate path to calculate
+    //  * statics and dynamics via stitching together multiple editors */
+    // let stitched_dynamics =
+    //   Exercise.stitch_dynamic(
+    //     settings.core,
+    //     exercise,
+    //     settings.core.dynamics ? Some(results) : None,
+    //   );
+    // let statics =
+    //   Exercise.statics_of_stiched_dynamics(exercise, stitched_dynamics);
+    // let cursor_info =
+    //   Indicated.ci_of(editor.state.zipper, statics.info_map);
+    // let highlights =
+    //   ExplainThis.get_color_map(~settings, ~explainThisModel, cursor_info);
+    // let view =
+    //   ExerciseMode.view(
+    //     ~inject,
+    //     ~ui_state,
+    //     ~settings,
+    //     ~highlights,
+    //     ~stitched_dynamics,
+    //     ~exercise,
+    //   );
+    // (view, cursor_info);
     };
-  let top_bar =
-    div(
-      ~attrs=[Attr.id("top-bar")],
-      NutMenu.view(~inject, ~settings, ~editors)
-      @ [div(~attrs=[Attr.id("title")], [text("hazel")])]
-      @ [EditorModeView.view(~inject, ~settings, ~editors)],
-    );
-  let bottom_bar =
-    CursorInspector.view(~inject, ~settings, editor, cursor_info);
-  let sidebar =
-    settings.explainThis.show && settings.core.statics
-      ? ExplainThis.view(
-          ~inject,
-          ~ui_state,
-          ~settings,
-          ~explainThisModel,
-          cursor_info,
-        )
-      : div([]);
+  // let top_bar =
+  //   div(
+  //     ~attrs=[Attr.id("top-bar")],
+  //     NutMenu.view(~inject, ~settings, ~editors)
+  //     @ [div(~attrs=[Attr.id("title")], [text("hazel")])]
+  //     @ [EditorModeView.view(~inject, ~settings, ~editors)],
+  //   );
+  // let bottom_bar =
+  //   CursorInspector.view(~inject, ~settings, editor, cursor_info);
+  // let sidebar =
+  //   settings.explainThis.show && settings.core.statics
+  //     ? ExplainThis.view(
+  //         ~inject,
+  //         ~ui_state,
+  //         ~settings,
+  //         ~explainThisModel,
+  //         cursor_info,
+  //       )
+  //     : div([]);
   [
     top_bar,
     div(
-      ~attrs=[
-        Attr.id("main"),
-        Attr.classes([Settings.show_mode(settings.mode)]),
-      ],
+      ~attr=
+        Attr.many([
+          Attr.id("main"),
+          Attr.classes([Settings.show_mode(settings.mode)]),
+        ]),
+      // ~attrs=[
+      //   Attr.id("main"),
+      //   Attr.classes([Settings.show_mode(settings.mode)]),
+      // ],
       editors_view,
     ),
     sidebar,
     bottom_bar,
   ];
 };
-
 let get_selection = (model: Model.t): string =>
   model.editors |> Editors.get_editor |> Printer.to_string_selection;
 
 let view = (~inject: UpdateAction.t => Ui_effect.t(unit), model: Model.t) =>
   div(
-    ~attrs=
-      Attr.[
-        id("page"),
-        ...handlers(~inject, Editors.get_editor(model.editors)),
-      ],
+    ~attr=Attr.many(Attr.[id("page"), ...handlers(~inject, model)]),
+    // ~attrs=
+    // Attr.[
+    //   id("page"),
+    //   ...handlers(~inject, Editors.get_editor(model.editors)),
+    // ],
     [
       FontSpecimen.view("font-specimen"),
       DecUtil.filters,
diff --git a/src/haz3lweb/view/ScratchMode.re b/src/haz3lweb/view/ScratchMode.re
index 7883a88007..77bc609c4e 100644
--- a/src/haz3lweb/view/ScratchMode.re
+++ b/src/haz3lweb/view/ScratchMode.re
@@ -1,4 +1,4 @@
-// open Util;
+// open Sexplib.Std;
 open Haz3lcore;
 
 type state = (Id.t, Editor.t);
@@ -11,6 +11,7 @@ let view =
       ~highlights,
       ~results: ModelResults.t,
       ~result_key,
+      ~statics as {error_ids, _}: CachedStatics.statics,
       editor: Editor.t,
     ) => {
   let result = ModelResults.lookup(results, result_key);
@@ -36,6 +37,7 @@ let view =
       ~ui_state,
       ~settings,
       ~target_id,
+      ~error_ids,
       ~test_results,
       ~footer?,
       ~highlights,