ActionManager::register_toggle_action (option_actions, X_("SecondaryClockDeltaEditCursor"), _("Secondary Clock delta to edit point"), mem_fun (*this, &ARDOUR_UI::toggle_SecondaryClockDeltaEditCursor));
ActionManager::register_toggle_action (option_actions, X_("ShowTrackMeters"), _("Enable Editor Meters"), mem_fun (*this, &ARDOUR_UI::toggle_ShowTrackMeters));
ActionManager::register_toggle_action (option_actions, X_("OnlyCopyImportedFiles"), _("Always copy imported files"), mem_fun (*this, &ARDOUR_UI::toggle_only_copy_imported_files));
+ ActionManager::register_toggle_action (option_actions, X_("DefaultNarrowMS"), _("Use narrow mixer strips"), mem_fun (*this, &ARDOUR_UI::toggle_use_narrow_ms));
RadioAction::Group denormal_group;