diff --git a/configure.ac.in b/configure.ac.in
index 1c6407cfea8c6bba9655078316cf66dd678a2406..5d27c2c00fc090f80ad9cb812a23086f663bf206 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -152,7 +152,7 @@ XDT_CHECK_PACKAGE([GMODULE], [gmodule-2.0], [2.56.0])
 XDT_CHECK_PACKAGE([GTK], [gtk+-3.0], [3.22.0])
 XDT_CHECK_PACKAGE([GDK_PIXBUF], [gdk-pixbuf-2.0], [2.14.0])
 XDT_CHECK_PACKAGE([LIBXFCE4UTIL], [libxfce4util-1.0], [4.17.2])
-XDT_CHECK_PACKAGE([LIBXFCE4UI], [libxfce4ui-2], [4.17.3])
+XDT_CHECK_PACKAGE([LIBXFCE4UI], [libxfce4ui-2], [4.17.4])
 XDT_CHECK_PACKAGE([LIBXFCE4KBD_PRIVATE], [libxfce4kbd-private-3], [4.17.2])
 XDT_CHECK_PACKAGE([XFCONF], [libxfconf-0], [4.12.0])
 XDT_CHECK_PACKAGE([PANGO], [pango], [1.38.0])
diff --git a/thunar/thunar-launcher.c b/thunar/thunar-launcher.c
index c179e5cc988d4373ee589a0c5043581202e9c65e..3c7caa2568c07e9775a4bd0bcdfa3b8af3d9c7ba 100644
--- a/thunar/thunar-launcher.c
+++ b/thunar/thunar-launcher.c
@@ -2888,7 +2888,7 @@ thunar_launcher_create_document_submenu_new (ThunarLauncher *launcher)
       thunar_g_list_free_full (files);
     }
 
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (submenu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (submenu));
   xfce_gtk_image_menu_item_new_from_icon_name (_("_Empty File"), NULL, NULL, G_CALLBACK (thunar_launcher_action_create_document),
                                                G_OBJECT (launcher), "text-x-generic", GTK_MENU_SHELL (submenu));
 
@@ -3146,9 +3146,9 @@ thunar_launcher_build_application_submenu (ThunarLauncher *launcher,
 
   if (launcher->n_files_to_process == 1)
     {
-      xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (submenu));
+      xfce_gtk_menu_append_separator (GTK_MENU_SHELL (submenu));
       thunar_launcher_append_menu_item (launcher, GTK_MENU_SHELL (submenu), THUNAR_LAUNCHER_ACTION_OPEN_WITH_OTHER, FALSE);
-      xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (submenu));
+      xfce_gtk_menu_append_separator (GTK_MENU_SHELL (submenu));
       thunar_launcher_append_menu_item (launcher, GTK_MENU_SHELL (submenu), THUNAR_LAUNCHER_ACTION_SET_DEFAULT_APP, FALSE);
     }
 
@@ -3254,7 +3254,7 @@ thunar_launcher_append_open_section (ThunarLauncher *launcher,
       if (launcher->n_files_to_process == 1)
       {
         thunar_launcher_append_menu_item (launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_OPEN_WITH_OTHER, FALSE);
-        xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+        xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
         thunar_launcher_append_menu_item (launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_SET_DEFAULT_APP, FALSE);
       }
     }
diff --git a/thunar/thunar-menu.c b/thunar/thunar-menu.c
index a5d32c88be1b9af4302451133076e337f2e8d5f0..8afe568f35c521491bc95914a99683b67db7f432 100644
--- a/thunar/thunar-menu.c
+++ b/thunar/thunar-menu.c
@@ -261,19 +261,19 @@ thunar_menu_add_sections (ThunarMenu         *menu,
       if (menu->type != THUNAR_MENU_TYPE_CONTEXT_TREE_VIEW && menu->type != THUNAR_MENU_TYPE_CONTEXT_SHORTCUTS_VIEW)
         item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_CREATE_DOCUMENT, force) != NULL);
       if (item_added)
-         xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+         xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
 
   if (menu_sections & THUNAR_MENU_SECTION_OPEN)
     {
       if (thunar_launcher_append_open_section (menu->launcher, GTK_MENU_SHELL (menu), !menu->tab_support_disabled, !menu->change_directory_support_disabled, menu->force_section_open))
-         xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+         xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
 
   if (menu_sections & THUNAR_MENU_SECTION_SENDTO)
     {
       if (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_SENDTO_MENU, FALSE) != NULL)
-         xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+         xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
 
   item_added = FALSE;
@@ -288,7 +288,7 @@ thunar_menu_add_sections (ThunarMenu         *menu,
         item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_PASTE, force) != NULL);
     }
   if (item_added)
-     xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+     xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
 
   if (menu_sections & THUNAR_MENU_SECTION_TRASH_DELETE)
     {
@@ -296,12 +296,12 @@ thunar_menu_add_sections (ThunarMenu         *menu,
       item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_MOVE_TO_TRASH, force) != NULL);
       item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_DELETE, force) != NULL);
       if (item_added)
-         xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+         xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
   if (menu_sections & THUNAR_MENU_SECTION_EMPTY_TRASH)
     {
       if (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_EMPTY_TRASH, FALSE) != NULL )
-         xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+         xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
   if (menu_sections & THUNAR_MENU_SECTION_RESTORE)
     {
@@ -309,12 +309,12 @@ thunar_menu_add_sections (ThunarMenu         *menu,
       item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_RESTORE, FALSE) != NULL);
       item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_RESTORE_SHOW, FALSE) != NULL);
       if (item_added)
-        xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+        xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
   if (menu_sections & THUNAR_MENU_SECTION_REMOVE_FROM_RECENT)
     {
       if (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_REMOVE_FROM_RECENT, FALSE) != NULL)
-        xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+        xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
 
   item_added = FALSE;
@@ -325,12 +325,12 @@ thunar_menu_add_sections (ThunarMenu         *menu,
   if (menu_sections & THUNAR_MENU_SECTION_RENAME)
     item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_RENAME, force) != NULL);
   if (item_added)
-     xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+     xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
 
   if (menu_sections & THUNAR_MENU_SECTION_CUSTOM_ACTIONS)
     {
       if (thunar_launcher_append_custom_actions (menu->launcher, GTK_MENU_SHELL (menu)))
-         xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+         xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
 
   if (menu_sections & THUNAR_MENU_SECTION_MOUNTABLE)
@@ -340,7 +340,7 @@ thunar_menu_add_sections (ThunarMenu         *menu,
       item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_UNMOUNT, FALSE) != NULL);
       item_added |= (thunar_launcher_append_menu_item (menu->launcher, GTK_MENU_SHELL (menu), THUNAR_LAUNCHER_ACTION_EJECT, FALSE) != NULL);
       if (item_added)
-         xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+         xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
 
   if (menu_sections & THUNAR_MENU_SECTION_ZOOM)
@@ -351,7 +351,7 @@ thunar_menu_add_sections (ThunarMenu         *menu,
           thunar_window_append_menu_item (THUNAR_WINDOW (window), GTK_MENU_SHELL (menu), THUNAR_WINDOW_ACTION_ZOOM_IN);
           thunar_window_append_menu_item (THUNAR_WINDOW (window), GTK_MENU_SHELL (menu), THUNAR_WINDOW_ACTION_ZOOM_OUT);
           thunar_window_append_menu_item (THUNAR_WINDOW (window), GTK_MENU_SHELL (menu), THUNAR_WINDOW_ACTION_ZOOM_RESET);
-          xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+          xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
         }
     }
 
diff --git a/thunar/thunar-renamer-dialog.c b/thunar/thunar-renamer-dialog.c
index 518eabc50798134c83fa76e47c8c418c2b6a17b6..e9a951492331b149ae20d0e16e20caa63875bc8f 100644
--- a/thunar/thunar-renamer-dialog.c
+++ b/thunar/thunar-renamer-dialog.c
@@ -915,12 +915,12 @@ thunar_renamer_dialog_context_menu (ThunarRenamerDialog *renamer_dialog)
           for(lp = items; lp != NULL; lp = lp->next)
               thunar_gtk_menu_thunarx_menu_item_new (lp->data, GTK_MENU_SHELL (menu));
           g_list_free (items);
-          xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+          xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
         }
     }
   thunar_renamer_dialog_append_menu_item (renamer_dialog, GTK_MENU_SHELL (menu), THUNAR_RENAMER_ACTION_ADD_FILES);
   thunar_renamer_dialog_append_menu_item (renamer_dialog, GTK_MENU_SHELL (menu), THUNAR_RENAMER_ACTION_REMOVE_FILES);
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   thunar_menu_add_sections (menu, THUNAR_MENU_SECTION_PROPERTIES);
   thunar_menu_hide_accel_labels (menu);
   gtk_widget_show_all (GTK_WIDGET (menu));
diff --git a/thunar/thunar-shortcuts-view.c b/thunar/thunar-shortcuts-view.c
index db3f125e3ebaa7db496fa40c43b4575f66ea5ad3..eac9368fc333b9972208e7c3b1f1adf999e808e2 100644
--- a/thunar/thunar-shortcuts-view.c
+++ b/thunar/thunar-shortcuts-view.c
@@ -1253,7 +1253,7 @@ thunar_shortcuts_view_context_menu (ThunarShortcutsView *view,
           thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN, TRUE);
           thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_TAB, TRUE);
           thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_WINDOW, TRUE);
-          xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (context_menu));
+          xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
           thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_EMPTY_TRASH);
         }
       else
@@ -1281,7 +1281,7 @@ thunar_shortcuts_view_context_menu (ThunarShortcutsView *view,
       thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN, TRUE);
       thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_TAB, TRUE);
       thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_WINDOW, TRUE);
-      xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (context_menu));
+      xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
       thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_MOUNTABLE);
       if (thunar_device_is_mounted (device))
         thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_PROPERTIES);
@@ -1291,7 +1291,7 @@ thunar_shortcuts_view_context_menu (ThunarShortcutsView *view,
 
   if (group == THUNAR_SHORTCUT_GROUP_PLACES_BOOKMARKS)
   {
-      xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (context_menu));
+      xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
       item = xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_SHORTCUTS_VIEW_ACTION_REMOVE_BOOKMARK), G_OBJECT (model), GTK_MENU_SHELL (context_menu));
       g_object_set_data_full (G_OBJECT (item), I_("thunar-shortcuts-row"),
                               gtk_tree_row_reference_new (model, path),
diff --git a/thunar/thunar-standard-view.c b/thunar/thunar-standard-view.c
index 84f57e78f4392c89d72b5d233ceaf7603517cf81..29c77ee139f5c7844e3119d5b7920e96e114f4df 100644
--- a/thunar/thunar-standard-view.c
+++ b/thunar/thunar-standard-view.c
@@ -3795,7 +3795,7 @@ thunar_standard_view_context_menu (ThunarStandardView *standard_view)
                                             | THUNAR_MENU_SECTION_EMPTY_TRASH
                                             | THUNAR_MENU_SECTION_CUSTOM_ACTIONS);
       thunar_standard_view_append_menu_items (standard_view, GTK_MENU (context_menu), NULL);
-      xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (context_menu));
+      xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
       thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_ZOOM
                                             | THUNAR_MENU_SECTION_PROPERTIES);
     }
@@ -4024,12 +4024,12 @@ thunar_standard_view_append_menu_items (ThunarStandardView *standard_view,
   if (thunar_file_is_trash (standard_view->priv->current_directory))
     xfce_gtk_toggle_menu_item_new_from_action_entry (get_action_entry (THUNAR_STANDARD_VIEW_ACTION_SORT_BY_DTIME), G_OBJECT (standard_view),
                                                      standard_view->priv->sort_column == THUNAR_COLUMN_DATE_DELETED, GTK_MENU_SHELL (submenu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (submenu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (submenu));
   xfce_gtk_toggle_menu_item_new_from_action_entry (get_action_entry (THUNAR_STANDARD_VIEW_ACTION_SORT_ASCENDING), G_OBJECT (standard_view),
                                                    standard_view->priv->sort_order == GTK_SORT_ASCENDING, GTK_MENU_SHELL (submenu));
   xfce_gtk_toggle_menu_item_new_from_action_entry (get_action_entry (THUNAR_STANDARD_VIEW_ACTION_SORT_DESCENDING), G_OBJECT (standard_view),
                                                    standard_view->priv->sort_order == GTK_SORT_DESCENDING, GTK_MENU_SHELL (submenu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (submenu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (submenu));
   xfce_gtk_menu_item_new_from_action_entry        (get_action_entry (THUNAR_STANDARD_VIEW_ACTION_SORT_ORDER_TOGGLE), G_OBJECT (standard_view),
                                                    GTK_MENU_SHELL (submenu));
   gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), GTK_WIDGET (submenu));
diff --git a/thunar/thunar-tree-view.c b/thunar/thunar-tree-view.c
index d468ffc7b15cefe73c6645e29d71cff26ef5ad1e..608b325ac8e1867f971a494da6e33b20490c5ab2 100644
--- a/thunar/thunar-tree-view.c
+++ b/thunar/thunar-tree-view.c
@@ -1253,7 +1253,7 @@ thunar_tree_view_context_menu (ThunarTreeView *view,
           thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN, TRUE);
           thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_TAB, TRUE);
           thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_WINDOW, TRUE);
-          xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (context_menu));
+          xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
           thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_EMPTY_TRASH);
         }
       else
@@ -1277,7 +1277,7 @@ thunar_tree_view_context_menu (ThunarTreeView *view,
       thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN, TRUE);
       thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_TAB, TRUE);
       thunar_launcher_append_menu_item (view->launcher, GTK_MENU_SHELL (context_menu), THUNAR_LAUNCHER_ACTION_OPEN_IN_WINDOW, TRUE);
-      xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (context_menu));
+      xfce_gtk_menu_append_separator (GTK_MENU_SHELL (context_menu));
       thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_MOUNTABLE);
       if (thunar_device_is_mounted (device))
         thunar_menu_add_sections (context_menu, THUNAR_MENU_SECTION_PROPERTIES);
diff --git a/thunar/thunar-window.c b/thunar/thunar-window.c
index 01a40b7efaaf87857059edef0e4d13d28efde474..8cb578a37c0541bc107bd5b50cd105b422986484 100644
--- a/thunar/thunar-window.c
+++ b/thunar/thunar-window.c
@@ -1144,14 +1144,14 @@ thunar_window_update_file_menu (ThunarWindow *window,
   thunar_gtk_menu_clean (GTK_MENU (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_NEW_TAB), G_OBJECT (window), GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_NEW_WINDOW), G_OBJECT (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   thunar_menu_add_sections (THUNAR_MENU (menu), THUNAR_MENU_SECTION_OPEN
                                               | THUNAR_MENU_SECTION_SENDTO
                                               | THUNAR_MENU_SECTION_CREATE_NEW_FILES
                                               | THUNAR_MENU_SECTION_EMPTY_TRASH
                                               | THUNAR_MENU_SECTION_CUSTOM_ACTIONS
                                               | THUNAR_MENU_SECTION_PROPERTIES);
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   item = xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_DETACH_TAB), G_OBJECT (window), GTK_MENU_SHELL (menu));
   gtk_widget_set_sensitive (item, gtk_notebook_get_n_pages (GTK_NOTEBOOK (window->notebook_selected)) > 1);
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_CLOSE_ALL_WINDOWS), G_OBJECT (window), GTK_MENU_SHELL (menu));
@@ -1189,7 +1189,7 @@ thunar_window_update_edit_menu (ThunarWindow *window,
       thunar_standard_view_append_menu_item (THUNAR_STANDARD_VIEW (window->view),
                                              GTK_MENU (menu), THUNAR_STANDARD_VIEW_ACTION_UNSELECT_ALL_FILES);
     }
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   thunar_menu_add_sections (THUNAR_MENU (menu), THUNAR_MENU_SECTION_DUPLICATE
                                               | THUNAR_MENU_SECTION_MAKELINK
                                               | THUNAR_MENU_SECTION_RENAME
@@ -1236,9 +1236,9 @@ thunar_window_update_view_menu (ThunarWindow *window,
 
   thunar_gtk_menu_clean (GTK_MENU (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_RELOAD), G_OBJECT (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_toggle_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_VIEW_SPLIT), G_OBJECT (window), thunar_window_split_view_is_active (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   item = xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_VIEW_LOCATION_SELECTOR_MENU), G_OBJECT (window), GTK_MENU_SHELL (menu));
   sub_items =  gtk_menu_new();
   gtk_menu_set_accel_group (GTK_MENU (sub_items), window->accel_group);
@@ -1263,24 +1263,24 @@ thunar_window_update_view_menu (ThunarWindow *window,
                                                    gtk_widget_get_visible (window->statusbar), GTK_MENU_SHELL (menu));
   xfce_gtk_toggle_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_VIEW_MENUBAR), G_OBJECT (window),
                                                    gtk_widget_get_visible (window->menubar), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_toggle_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_SHOW_HIDDEN), G_OBJECT (window),
                                                    window->show_hidden, GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   if (window->view != NULL)
     thunar_standard_view_append_menu_items (THUNAR_STANDARD_VIEW (window->view), GTK_MENU (menu), window->accel_group);
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   thunar_window_append_menu_item (window, GTK_MENU_SHELL (menu), THUNAR_WINDOW_ACTION_ZOOM_IN);
   thunar_window_append_menu_item (window, GTK_MENU_SHELL (menu), THUNAR_WINDOW_ACTION_ZOOM_OUT);
   thunar_window_append_menu_item (window, GTK_MENU_SHELL (menu), THUNAR_WINDOW_ACTION_ZOOM_RESET);
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
 
   if (window->directory_specific_settings)
     {
       item = xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_CLEAR_DIRECTORY_SPECIFIC_SETTINGS),
                                                        G_OBJECT (window), GTK_MENU_SHELL (menu));
       gtk_widget_set_sensitive (item, thunar_file_has_directory_specific_settings (window->current_directory));
-      xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+      xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
     }
 
   item = xfce_gtk_toggle_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_VIEW_AS_ICONS),
@@ -1324,7 +1324,7 @@ thunar_window_update_go_menu (ThunarWindow *window,
   item = xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_FORWARD), G_OBJECT (window), GTK_MENU_SHELL (menu));
   if (history != NULL)
     gtk_widget_set_sensitive (item, thunar_history_has_forward (history));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_OPEN_COMPUTER), G_OBJECT (window), GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_OPEN_HOME), G_OBJECT (window), GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_OPEN_DESKTOP), G_OBJECT (window), GTK_MENU_SHELL (menu));
@@ -1358,11 +1358,11 @@ thunar_window_update_go_menu (ThunarWindow *window,
         }
     }
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_OPEN_TEMPLATES), G_OBJECT (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_OPEN_FILE_SYSTEM), G_OBJECT (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_OPEN_NETWORK), G_OBJECT (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_OPEN_LOCATION), G_OBJECT (window), GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_SEARCH), G_OBJECT (window), GTK_MENU_SHELL (menu));
   gtk_widget_show_all (GTK_WIDGET (menu));
@@ -1381,7 +1381,7 @@ thunar_window_update_bookmarks_menu (ThunarWindow *window,
   thunar_gtk_menu_clean (GTK_MENU (menu));
 
   thunar_launcher_append_menu_item (window->launcher, GTK_MENU_SHELL (menu),THUNAR_LAUNCHER_ACTION_SENDTO_SHORTCUTS, FALSE);
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   thunar_window_menu_add_bookmarks (window, GTK_MENU_SHELL (menu));
 
   gtk_widget_show_all (GTK_WIDGET (menu));
@@ -2233,11 +2233,11 @@ thunar_window_notebook_popup_menu (GtkWidget    *notebook,
   menu = gtk_menu_new ();
   gtk_menu_set_accel_group (GTK_MENU (menu), window->accel_group);
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_NEW_TAB), G_OBJECT (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_DETACH_TAB), G_OBJECT (window), GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_SWITCH_PREV_TAB), G_OBJECT (window), GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_SWITCH_NEXT_TAB), G_OBJECT (window), GTK_MENU_SHELL (menu));
-  xfce_gtk_menu_append_seperator (GTK_MENU_SHELL (menu));
+  xfce_gtk_menu_append_separator (GTK_MENU_SHELL (menu));
   xfce_gtk_menu_item_new_from_action_entry (get_action_entry (THUNAR_WINDOW_ACTION_CLOSE_TAB), G_OBJECT (window), GTK_MENU_SHELL (menu));
   gtk_widget_show_all (menu);
   thunar_gtk_menu_run (GTK_MENU (menu));