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part of the line to the termscript file.
(IT_clear_to_end): Clear the entire line, not just its beginning.
(menu_help_message, prev_menu_help_message): New variables.
(IT_menu_make_room): Make room for the help_text member.
(IT_menu_display): New argument disp_help; all callers changed.
If disp_help is non-zero, store the help text of the active menu
item in menu_help_message.
(XMenuAddPane): Initialize the help_text member to NULL.
(XMenuAddSelection): New argument help_text.  Store it in the
XMenu structure.
(XMenuActivate): New argument help_callback.  If the value of
menu_help_message has changed since the last time, display the
menu help message text while waiting for the mouse to move.  Clear
the echo area before exiting.
(XMenuDestroy): Free the help_text member.

userids differently.

XMenuAddSelection.  Pass help callback to XMenuActivate.
(menu_help_callback) [!USE_X_TOOLKIT]: New function.

Call help callback.

and EMACS_SET_USECS.

body.

an error may be signalled.

LD_SWITCH_SYSTEM inherited from irix5-0.h.

the args, always return a multibyte string.

recording and restoring old alarm handler

(polling_for_input): Removed because unused.
(input_poll_signal) [POLL_FOR_INPUT]: Removed.
(poll_timer): New variable.
(poll_for_input, poll_for_input_1): New functions.
(start_polling, stop_polling): Rewritten.

(create_process_1): Rewritten.
(create_process): Use atimers instead of alarm.
(wait_reading_process_input) [hpux]: Turn atimers off instead
of turning off SIGALRM.
(wait_reading_process_input): Turn off atimers instead off
calling stop_polling.

(toolkit_scroll_bar_interaction): New variable.
(Fxt_process_timeouts): Removed.
(x_process_timeouts): New function.
(xt_action_hook): Clear toolkit_scroll_bar_interaction.
(x_send_scroll_bar_event): Set toolkit_scroll_bar_interaction.
(x_make_frame_visible): Call poll_for_input_1 instead of
input_poll_signal.  Don't call alarm.
(x_initialize): Install timer calling x_process_timeouts.

(UNBLOCK_INPUT): Rewritten.  Handle pending atimers.

(popup_activate_callback) [USE_MOTIF]: Increment
popup_activated_flag.
(popup_deactivate_callback) [USE_MOTIF]: Decrement it.

(atimer.o): New target.

add XmNunmapCallback.
(xm_unmap_callback): New function.
(xm_pull_down_callback): Call pre-activate callback only if
parent is the menu bar.

(scroll-bar-toolkit-scroll): Don't use a timer.