(popup_get_selection, popup_activated, popup_activate_callback,
menubar_selection_callback, popup_deactivate_callback,
single_submenu): New or replaced functions.
(popup_activated_flag): New variable.
(dispatch_dummy_expose, event_is_in_menu_item, map_event_to_object):
Removed.
(update_frame_menubar): Use lw_refigure_widget to provide widget set
independence.
(set_frame_menubar): Use lw_allow_resizing to control unsightly Motif
menubar resizing in a widget set independent fashion.
(xmenu_show): Removed menubar handling code, since that is now done in
lwlib. Display a popup menu title centered and followed by two
separators. Use lw_popup_menu() to display the menu. Use
popup_get_selection() to deal with X11 event handling while the menu
is posted.
(widget_id_tick): New variable.
(x_any_window_to_frame): Use lw_window_is_in_menubar() for
widget set independence.
(x_window): Renamed screen_widget to frame_widget. Use
lw_create_widget() and lw_set_main_areas() for widget set
independence. Enable using editres for X11R5.
(setenv): Use setenv-history.
Place the variable's current value at front of setenv-history
while reading the new value.
(setenv): Provide history, completion for envvar.
(read-envvar-name-history): New variable.
(read-envvar-name): New function.
Function: or Variable: if line doesn't fit with it.
New arg no-header inhibits them entirely.
(apropos): New arg no-header. Pass it to apropos-print-matches.
(find-file-noselect): Use run-hook-with-args-until-success.
(after-find-file): Use run-hooks for find-file-hooks.
(basic-save-buffer): Use run-hook-with-args-until-success.
(run-hook-with-args-until-success): New function.
(run-hook-with-args-until-failure): New function.
(run-hooks): t as hook list element means run the global
value of the variable as well as the local value.
(run-hook-with-args): Likewise.
(make-local-hook): New function.
(add-hook, remove-hook): New arg LOCAL means modify local value.
Test default-boundp as well as boundp.
(C_entries): Recognise #define inside a struct.
(C_entries): ANSI tells that preprocessor commands do not have to
start on the first column.
(print_help): Documentation corrected for -d and -D.
(white, endtk): ANSI tells the vertical tab is a separator.
