(XTupdate_end): No need to test updating_frame.
(construct_mouse_click): New function, in #ifdef USE_X_TOOLKIT.
(process_expose_from_menu): Likewise.
(XTread_socket, x_set_offset, x_set_window_size): Handle USE_X_TOOLKIT.
(x_raise_frame, x_lower_frame, x_make_frame_visible): Likewise.
(x_iconify_frame, x_destroy_window, x_wm_set_window_state): Likewise.
(x_term_init): Likewise.
(x_term_init): Pass argv, argc to XtAppInitialize with the display_name value.
Include syssignal.h.
The following belongs in a previous version's log entry:
(XTread_socket): temp_buffer and temp_index deleted.
Put all vendor-specific keys into the buffer.
(x_is_vendor_fkey): Function deleted.
(XTread_socket): Don't call it.
(otherobj): Use widgetobj.
(XOBJ): Undo previous change.
(LWLIB_OPTIONS): Define if not defined.
(LIBXT): New variable.
(LIBX): Use LIBXT.
(widget.o): New target.
(XOBJ) [USE_X_TOOLKIT]: Add widget.o.
(lwlibdir): New variable.
($(OLDXMENU)) [USE_X_TOOLKIT]: Alternate rule.
(OLDXMENU) [USE_X_TOOLKIT]: Alternate value.
(really-lwlib): New rule.
(HAVE_XSCREENNUMBEROFSCREEN): defined if X is used.
(LIB_X11_LIB, LIBX11_SYSTEM): override only if X is used.
(USG_SHARED_LIBRARIES): undefine only if X is used.
appt-disp-window-function and appt-delete-window-function.
(appt-disp-window-function): New variable.
(appt-delete-window-function): New variable.
(appt-delete-window): New function.
(appt-disp-window): Don't delete the appt window here;
instead, call appt-delete-window-function.
Fixed bug that messed up the screen when appt-check ran
when mouse is in the minibuffer.
Call select-frame only if window-system.
(redisplay_window) [USE_X_TOOLKIT]: Test FRAME_EXTERNAL_MENU_BAR.
(update_menu_bar) [USE_X_TOOLKIT]: Call set_frame_menubar.
(truncate_echo_area): New function.
(decode_mode_spec) [MSDOS]: Let 't' expand to 'T' for
text mode or 'B' for binary mode.
(decode_mode_spec) [not subprocesses]: Don't access Fprocess_status.
(schedule): Don't return a value.
(sigcatch): Reestablish the handler first.
(getevent): Always call notify at the end.
(notify): Defer alarms around the whole body of function.
(main): Don't request SIGIO, and don't handle it.
Loop calling getevent.
(sigcatch): Delete code to handle SIGIO.
If defer_alarms is set, don't call notify, just set alarm_deferred.
(getevent): Use read, not getchar. Handle EINTR and EAGAIN.
Set defer_alarms around realloc and schedule.
If alarm_deferred gets set, call notify.
Likewise if this event is the only pending event.
Make buf and buf_size global variables.
Don't malloc buf if it is already non-zero.
(schedule): Just exit if run out of memory.
Return the number of events.
(signal) [_CX_UX]: Add #undef.
(time-stamp-mail-host): Now a user option.
(time-stamp-current-year, time-stamp-hh:mm): Removed.
(time-stamp-mm/dd/yy, time-stamp-dd/mm/yy): Removed.
(time-stamp-yyyy-mm-dd): New function, ISO 8601 format.
