showing the menu. This makes the "Most recently used" menu more accurate.
(menu-bar-update-buffers): The frame list is now an integrated
part of the buffer menu.
(msb--few-menus, msb--very-many-menus): Added rmail-edit-mode.
current_perdisplay is now meaningful in the wait state as well.
(cmd_error): Clear display_locked in addition to current_perdisplay.
(command_loop_1): outer_perdisplay renamed from global_perdisplay.
Restore display_locked as well as current_perdisplay.
(read_char): read_char_perdisplay merged with current_perdisplay.
(read_key_sequence): Likewise.
(move-to-left-margin): Never move past left-margin, even in funny
justify modes.
(set-left-margin): include following whitespace.
(set-left-margin, increase-left-margin): indent rigidly.
(increase-left-margin): allow negative left-margins
(increase-right-margin): allow negative right-margin
(beginning-of-line-text): new fn.
(fill-region-as-paragraph): don't delete hard newlines. ignore whitespace
at beginning of region. Remove justification indentation.
(fill-region): Don't use paragraph-movement commands when use-hard-newlines
is true, just search for hard newlines.
(current-justification): take care at EOB.
(set-justification): new argWHOLE-PAR. Callers changed.
(justify-current-line): Error if JUSTIFY arg is not reasonable.
Better interaction if there is a fill-prefix.
"Line too long" warning removed.
(unjustify-current-line, unjustify-region): New functions.
savetok.valid. Mark token as valid when it is initialised.
(make_tag): Make token only if token is valid and reset validity.
(CNL_SAVE_DEFINEDEF): Test for savetok.valid instead of token_saved.
(TOKEN): Added a new member: valid.
(kbd_buffer, kbd_fetch_ptr, kbd_store_ptr): Likewise.
(read_char_perdisplay): New var.
(read_char): Search all appropriate perdisplay objects, and do the right thing
if the next event comes from a different source.
(read_key_sequence): If there's a change of display in mid-stream, retreat and
try reading the new display.
(find_active_event_queue): Function deleted. All callers changed to just test
the main kbd_buffer instead.
(kbd_buffer_store_event): Write to the main kbd_buffer again.
(kbd_buffer_get_event): Read from the main kbd_buffer again.
Now returns a perdisplay pointer in addition to a lispy event.
(Fdiscard_input, swallow_events): Use the main kbd_buffer again.
(stuff_buffered_input): Likewise.
(init_perdisplay): Initialize member kbd_queue.
Remove references to obsolete members.
(wipe_perdisplay): Remove obsolete reference.
(init_keyboard, syms_of_keyboard): Restore initialization of vars.
