diff --git a/(notes) b/(notes)
index fc6e742..930caee 100644
--- a/(notes)
+++ b/(notes)
@@ -52,6 +52,7 @@ https://docs.gtk.org/gtk4/drag-and-drop.html           drag-and-drop
 https://docs.gtk.org/gtk4/class.GestureZoom.html       GtkGestureZoom
 https://docs.gtk.org/gtk4/class.ListView.html
 https://blog.gtk.org/2020/09/08/on-list-models/       <  TODO
+https://docs.gtk.org/gio/method.ActionMap.add_action_entries.html
 --------------------------------------------------------------------------------
 
 
diff --git a/callback.h b/callback.h
index 7f0d3fc..87031de 100644
--- a/callback.h
+++ b/callback.h
@@ -18,55 +18,8 @@ void on_toggle_exec_edit (GtkWidget *btt_exec_xor_edit, GtkWidget *btt_run_stop_
 void on_toggle_model_exec (GtkWidget *btt_run_stop_model_exec, gpointer data);
 void on_toggle_state_rules (GtkWidget *btt_toggle_state_rules, gpointer data);
 void on_toggle_observ_interpret (GtkWidget *btt_toggle_observ_interpret, gpointer data);
+
 void on_SAVE_CURRENT_MODEL_BEFORE_EDITING (GtkWidget *btt_SAVE_CURRENT_MODEL, gpointer data);
 void on_DISCARD_CURRENT_MODEL_AND_START_EDITING (GtkWidget *btt_SAVE_CURRENT_MODEL, gpointer data);
 void on_WRITE_CURRENT_MODEL (GtkWidget *btt_WRITE_CURRENT_MODEL, gpointer data);
 
-
-
-
-/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
-                         S I M P L I F I O N S   !
-
-
-//void ui_enable_action  (const char *name);
-//void ui_disable_action (const char *name);
-
-//  https://docs.gtk.org/gio/method.ActionMap.add_action_entries.html
-//  A function for creating multiple GSimpleAction instances and adding them to a GActionMap.
-//  @see  application . gem_graph_client_application_init (GemGraphClientApplication *self) {
-//        g_action_map_add_action_entries (G_ACTION_MAP(self), app_actions, G_N_ELEMENTS(app_actions), self); ...
-
-void on_quit_action          (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_about_action         (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_preferences_action   (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-
-  //  my  "action of interest" :      (2024-06-01)
-void on_togglerunedit_action (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-  //
-void on_togglerunstop_action (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_togglesidebar_action (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_editmode_action      (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_runmode_action       (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_presentmode_action   (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_openfile_action      (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_closefile_action     (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_savefile_action      (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void on_toast_close_action   (GSimpleAction *action, GVariant *parameter, gpointer user_data);
-
-static const GActionEntry app_actions[] = {
-    { "quit",           on_quit_action,           NULL, NULL, NULL },
-    { "about",          on_about_action,          NULL, NULL, NULL },
-    { "preferences",    on_preferences_action,    NULL, NULL, NULL },
-    { "togglerunedit",  on_togglerunedit_action,  NULL, NULL, NULL },
-    { "togglerunstop",  on_togglerunstop_action,  NULL, NULL, NULL },
-    { "togglesidebar",  on_togglesidebar_action,  NULL, NULL, NULL },
-    { "editmode",       on_editmode_action,       NULL, NULL, NULL },
-    { "runmode",        on_runmode_action,        NULL, NULL, NULL },
-    { "presentmode",    on_presentmode_action,    NULL, NULL, NULL },
-    { "openfile",       on_openfile_action,       NULL, NULL, NULL },
-    { "closefile",      on_closefile_action,      NULL, NULL, NULL },
-    { "savefile",       on_savefile_action,       NULL, NULL, NULL },
-    { "toastclose",     on_toast_close_action,    NULL, NULL, NULL },
-};
-*/
diff --git a/dialog.c b/dialog.c
index 88fb46d..1a745b0 100644
--- a/dialog.c
+++ b/dialog.c
@@ -1,16 +1,4 @@
-#include <stdio.h>
-#include <gtk-4.0/gtk/gtk.h>
-
 #include "callback.h"
-#include "automaton.h"
-#include "display.h"
-#include "tree.h"
-#include "texts.h"
-
-// https://docs.gtk.org/gtk4/visual_index.html  <  widgets gallery
-// GTK_ORIENTATION_HORIZONTAL  GTK_ORIENTATION_VERTICAL
-
-/*  doc : see  >  on_dialog_window_activation (...)  in  callback.c   */
 
 void dialog_window_design (GtkWindow *main_window, GtkWindow *dialog_window){
   char *title =  "     Save the current model before modifying it?     ";
@@ -20,7 +8,7 @@ void dialog_window_design (GtkWindow *main_window, GtkWindow *dialog_window){
 
   GtkWidget *dialog_window_grid = gtk_grid_new ();
 
-  const char *txt = "                           SAVE CURRENT MODEL                            ";
+  const char *txt = "                       SAVE CURRENT MODEL                          ";
   GtkButton *action_save_current_model = GTK_BUTTON (gtk_button_new_with_label (txt));
   gtk_widget_set_sensitive (GTK_WIDGET (action_save_current_model), FALSE);
   g_signal_connect (action_save_current_model, "clicked",
diff --git a/dialog.h b/dialog.h
index ab07aba..3cbf6a2 100644
--- a/dialog.h
+++ b/dialog.h
@@ -1,4 +1,2 @@
-#include <gtk-4.0/gtk/gtk.h>
-
 void dialog_window_design (GtkWindow *main_window, GtkWindow *dialog_window);