(syms_of_macselect): Intern and staticpro it.
(struct suspended_ae_info): New struct.
(deferred_apple_events, defer_apple_events)
(Fmac_process_deferred_apple_events): Use it.
(suspended_apple_events): New variable.
(mac_handle_apple_event_1): New function.
(mac_handle_apple_event): Use it. Don't process previously
suspended events.
(cleanup_suspended_apple_events, get_suspension_id)n
(cleanup_all_suspended_apple_events): New functions.
(init_apple_event_handler): Call cleanup_all_suspended_apple_events
at exit.
(Fmac_cleanup_expired_apple_events, Fmac_ae_set_reply_parameter)
(Fmac_resume_apple_event): New defuns.
(syms_of_macselect): Defsubr them.
(mac_store_apple_event): Change return type to void in extern.
(mac_handle_apple_event): Don't get return value from
mac_store_apple_event.
[TARGET_API_MAC_CARBON] (Vmac_dnd_known_types): New variable.
(syms_of_macselect) [TARGET_API_MAC_CARBON]: Defvar it.
[TARGET_API_MAC_CARBON] (mac_do_track_drag): Move function from
macterm.c. Use Vmac_dnd_known_types as acceptable flavors.
[TARGET_API_MAC_CARBON] (mac_do_receive_drag): Likewise. New
implementation using create_apple_event_from_drag_ref.
[TARGET_API_MAC_CARBON] (mac_do_track_dragUPP)
(mac_do_receive_dragUPP): Move variables from macterm.c.
(install_drag_handler, remove_drag_handler): New functions.
selection converter function.
(x_clear_frame_selections): Don't call x-lost-selection-functions
if Emacs is not owner of the selection.
(Vmac_services_selection): Put variable and initialization in
#ifdef MAC_OSX.
(syms_of_macselect) [MAC_OSX]: Set default value of
Vmac_services_selection to PRIMARY.
