diff --git a/src/ui/tree.c b/src/ui/tree.c
index 8512e92..dbc37de 100644
--- a/src/ui/tree.c
+++ b/src/ui/tree.c
@@ -52,6 +52,39 @@ static TreeItem A[] = {{"D", D}, {NULL}}, B[] = {{"E", E}, {NULL}};
 static TreeItem R[] = {{"A", A}, {"B", B}, {"C", C}, {NULL}};
 static TreeItem O[] = {{"ROOT", R}, {NULL}}; //  Artefact added for symmetry
 
+static void
+add_item (GtkWidget *button, gpointer data)
+{
+  TreeItem foo;
+  GtkTreeIter current, iter;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeViewColumn *column;
+  GtkTreeView *treeview = NULL; //  (GtkTreeView *)data;
+}
+
+static void
+remove_item (GtkWidget *widget, gpointer data)
+{
+  printf("From 'tree.c' (line 130),  remove item()  >   no item selected (or can't get it ?)\n");
+
+  GtkTreeIter iter;
+  GtkTreeView *treeview = NULL; //  (GtkTreeView *)data;
+  GtkTreeModel *model = NULL; //  gtk_tree_view_get_model (treeview);
+  GtkTreeSelection *selection = NULL; //  gtk_tree_view_get_selection (treeview);
+}
+
+static void
+cell_edited (GtkCellRendererText *cell,
+             const char          *path_string,
+             const char          *new_text,
+             gpointer             data)
+{
+  GtkTreeModel *model = (GtkTreeModel *)data;
+  GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
+  GtkTreeIter iter;
+}
+
 //  TODO  GtkTreeListModel ? GtkTreeModel ?  (lines 238 & 270)
 static GListStore *create_node_recursive (GListStore *model,
                             // ? GListStore* g_list_store_new (GType item_type)
@@ -86,7 +119,6 @@ static GListStore *create_node_recursive (GListStore *model,
 GtkWidget *create_my_tree_model(GtkBox *runlib_objects)
 {
     GListStore *my_list_model = NULL;
-    GtkWidget *my_tree_box = NULL;
     GtkWidget *my_scrolled_window = NULL;
     GtkWidget *my_tree_view = NULL;
     GtkCellRenderer *my_renderer = NULL;
@@ -108,10 +140,9 @@ GtkWidget *create_my_tree_model(GtkBox *runlib_objects)
     my_scrolled_window = gtk_scrolled_window_new ();
     gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (my_scrolled_window), TRUE);
     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (my_scrolled_window),
-                                  GTK_POLICY_AUTOMATIC,
-                                  GTK_POLICY_AUTOMATIC);
+                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+
     gtk_box_append (runlib_objects, my_scrolled_window);
-    gtk_widget_show(my_tree_box);
 
     gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (my_scrolled_window), my_tree_view);
 
@@ -124,31 +155,6 @@ GtkWidget *create_my_tree_model(GtkBox *runlib_objects)
 
 //------------------------------------------------------------------------------
 
-static void
-remove_item (GtkWidget *widget, gpointer data)
-{
-  printf("From 'tree.c',  remove_item (line 130)  >   no item selected (or maybe I can't get it ?)\n");
-
-  /* GtkTreeIter iter; */
-  /* GtkTreeView *treeview = (GtkTreeView *)data; */
-  /* GtkTreeModel *model = gtk_tree_view_get_model (treeview); */
-  /* GtkTreeSelection *selection = gtk_tree_view_get_selection (treeview); */
-
-  /* if (gtk_tree_selection_get_selected (selection, NULL, &iter)) */
-  /*   { */
-  /*     int i; */
-  /*     GtkTreePath *path; */
-
-  /*     path = gtk_tree_model_get_path (model, &iter); */
-  /*     i = gtk_tree_path_get_indices (path)[0]; */
-  /*     gtk_list_store_remove (GTK_LIST_STORE (model), &iter); */
-
-  /*  //   g_array_remove_index (articles, i); */
-
-  /*     gtk_tree_path_free (path); */
-  /*   } */
-}
-
 static void
 print_hello (GtkWidget *widget,
              gpointer   data)
@@ -167,7 +173,7 @@ GtkWidget *create_my_button_test(GtkBox *runlib_objects)
     gtk_box_append(runlib_objects, button);
     gtk_widget_show(button);
 
-    g_signal_connect (button, "clicked", G_CALLBACK (remove_item), NULL);
+    g_signal_connect (button, "clicked", G_CALLBACK (print_hello), NULL);
 
     return button;
 }