* nsmenu.m (ns_update_menubar): Correct NSTRACE.
(x_activate_menubar): Update the menu with title that matches
ns_get_pending_menu_title, and call
ns_check_pending_openmenu.
(menuWillOpen:): New method.
(menuNeedsUpdate:): Add check for ! COCOA || OSX < 10.5 (Bug#12698).
* nsterm.h (ns_get_pending_menu_title, ns_check_menu_open)
(ns_check_pending_open_menu): Declare.
* nsterm.m (menu_will_open_state, menu_mouse_point)
(menu_pending_title): New varaibles.
(ns_get_pending_menu_title, ns_check_menu_open)
(ns_check_pending_open_menu): New functions.