diff --git a/lib-nested-core/src/editors/char/mod.rs b/lib-nested-core/src/editors/char/mod.rs
index 8b587ad..079fa85 100644
--- a/lib-nested-core/src/editors/char/mod.rs
+++ b/lib-nested-core/src/editors/char/mod.rs
@@ -9,7 +9,7 @@ use {
     },
     laddertypes::{TypeTerm},
     crate::{
-        repr_tree::{Context, ReprTree, ReprTreeExt},
+        repr_tree::{Context, ReprTree, ReprLeaf, ReprTreeExt},
         edit_tree::{EditTree, TreeNavResult},
         editors::ObjCommander,
     },
@@ -31,24 +31,27 @@ pub fn init_ctx( ctx: Arc<RwLock<Context>> ) {
             {
                 let ctx = ctx.clone();
                 move |rt, σ| {
-                    if let Some(v) = rt.read().unwrap().get_view::<dyn SingletonView<Item = char>>() {
-                        eprintln!("prev value: {}", v.get());
+                    {
+                        let mut rt = rt.write().unwrap();
+                        if let Some(buf) = rt.singleton_buffer::<char>() {
+                            // buffer already exists
+                        } else {
+                            rt.insert_leaf(
+                                vec![].into_iter(),
+                                ReprLeaf::from_singleton_buffer(
+                                SingletonBuffer::new('\0')
+                            ));
+                        }
                     }
 
-                    /* Create EditTree object
-                     */
-                    rt.view_char().0.update();
+                    let char_buf = rt.singleton_buffer::<char>();
 
-                    let char_buf = rt.write().unwrap().singleton_buffer::<char>().unwrap();
-
-                    eprintln!("make edittree: char val = {}", char_buf.get());
                     let mut edittree = CharEditor::new_edit_tree(
                         ctx.clone(),
                         char_buf,
-                        r3vi::buffer::singleton::SingletonBuffer::<usize>::new(0).get_port()
+                        SingletonBuffer::<usize>::new(0).get_port()
                     );
 
-                    eprintln!("insert Char~EditTree");
                     rt.write().unwrap()
                         .insert_branch(
                             ReprTree::from_singleton_buffer(
diff --git a/lib-nested-core/src/editors/list/ctx.rs b/lib-nested-core/src/editors/list/ctx.rs
index 3c3ae8f..0f97c3c 100644
--- a/lib-nested-core/src/editors/list/ctx.rs
+++ b/lib-nested-core/src/editors/list/ctx.rs
@@ -1,9 +1,19 @@
 use {
-    r3vi::{view::{OuterViewPort, singleton::*}, buffer::singleton::*},
+    r3vi::{
+        view::{
+            ViewPort,
+            OuterViewPort, Observer, singleton::*
+        },
+        buffer::{singleton::*, vec::*}
+    },
     laddertypes::{TypeTerm},
     crate::{
-        repr_tree::{Context, ReprTree},
-        editors::list::{ListEditor}//, PTYListController, PTYListStyle}
+        repr_tree::{Context, ReprTree, ReprLeaf, ReprTreeExt},
+        edit_tree::{EditTree},
+        editors::{
+            char::{CharEditor},
+            list::{ListEditor}//, PTYListController, PTYListStyle}
+        }
     },
     std::sync::{Arc, RwLock}
 };
@@ -30,7 +40,7 @@ pub fn init_ctx(ctx: Arc<RwLock<Context>>) {
                         ctx.clone(),
                         item_type.clone()
                     ).into_node(
-                        r3vi::buffer::singleton::SingletonBuffer::<usize>::new(0).get_port()
+                        SingletonBuffer::<usize>::new(0).get_port()
                     );
 
                     src_rt.write().unwrap().insert_branch(
@@ -45,5 +55,39 @@ pub fn init_ctx(ctx: Arc<RwLock<Context>>) {
             }
         }
     );
+
+    let mt = crate::repr_tree::MorphismType {
+        src_type: Context::parse(&ctx, "<List Char>~EditTree"),
+        dst_type: Context::parse(&ctx, "<List Char>")
+    };
+    ctx.write().unwrap().morphisms.add_morphism(
+        mt,
+        {
+            let ctx = ctx.clone();
+            move |src_rt, σ| {
+                let edittree =
+                    src_rt
+                        .descend(Context::parse(&ctx, "EditTree")).unwrap()
+                        .singleton_buffer::<EditTree>();
+
+                let list_edit = edittree.get().get_edit::< ListEditor >().unwrap();
+                let edittree_items = list_edit.read().unwrap().data.get_port().to_list();
+                src_rt.write().unwrap().insert_leaf(
+                    vec![].into_iter(),
+                    ReprLeaf::from_view(
+                        edittree_items
+                            .map(
+                                |edittree_char|
+                                    edittree_char
+                                    .read().unwrap()
+                                    .get_edit::<CharEditor>().unwrap()
+                                    .read().unwrap()
+                                    .get()
+                            )
+                    )
+                );
+            }
+        }
+    );
 }
 
diff --git a/lib-nested-core/src/repr_tree/context.rs b/lib-nested-core/src/repr_tree/context.rs
index abd23ff..3d0bfce 100644
--- a/lib-nested-core/src/repr_tree/context.rs
+++ b/lib-nested-core/src/repr_tree/context.rs
@@ -153,12 +153,12 @@ impl Context {
     pub fn type_term_to_str(&self, t: &TypeTerm) -> String {
         self.type_dict.read().unwrap().unparse(&t)
     }
+
     /// adds an object without any representations
     pub fn add_obj(ctx: Arc<RwLock<Context>>, name: String, typename: &str) {
         let type_tag = ctx.read().unwrap()
             .type_dict.write().unwrap()
             .parse(typename).unwrap();
-
 /*
         if let Some(node) = Context::make_node(&ctx, type_tag, SingletonBuffer::new(0).get_port()) {
             ctx.write().unwrap().nodes.insert(name, node);
@@ -186,14 +186,12 @@ impl Context {
                 self.type_term_from_str("EditTree").expect("")
             ]);
 
-        eprintln!("setp_edittree: apply morphism T -> T~EditTree");
         self.morphisms.apply_morphism(
             rt.clone(),
             &rt.get_type(),
             &ladder
         );
 
-        eprintln!("get repr-node of editTree");
         if let Some(new_edittree) =
             rt.descend(self.type_term_from_str("EditTree").unwrap())
         {
diff --git a/lib-nested-tty/src/editors/list.rs b/lib-nested-tty/src/editors/list.rs
index b3ce8a9..4af92fc 100644
--- a/lib-nested-tty/src/editors/list.rs
+++ b/lib-nested-tty/src/editors/list.rs
@@ -225,21 +225,18 @@ impl PTYListController {
                     rt,
                     self.depth.map(|d| d+1)
                 );
-                /*
-                let mut ne = new_edittree.write().unwrap();
+
+                let mut ne = new_edittree.get();
                 match ne.send_cmd_obj(cmd_obj.clone()) {
                     TreeNavResult::Continue => {
                         drop(ne);
-                        e.insert(new_edittree.clone());
+                        e.insert(new_edittree.value.clone());
                         TreeNavResult::Continue
                     }
                     TreeNavResult::Exit => {
-                */
                         TreeNavResult::Exit
-            /*
                     }
                 }
-                */
             },
             ListCursorMode::Select => {
                 if let Some(item) = e.get_item_mut() {