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excessively large.

(make_gap_smaller): New function.
(make_gap) [USE_MMAP_FOR_BUFFERS || REL_ALLOC]: Call
make_gap_smaller if arg is negative.

Pass a dummy argument when calling interrupt_signal.
(parse_menu_item): Mark disabled items before checking for empty def.
(read_char_minibuf_menu_prompt): Make safety more visible.
(read_key_sequence): Add a `first_unbound' variable.
Use it to detect C-c ESC ESC ESC ESC ... cases and drop the
unbound prefix as soon as we can detect it.

(get_doc_string): Handle negative arguments.
(Fdocumentation): Use AREF and ASIZE.
Move the calls to get_doc_string to a single place.
Don't confuse an interactive-spec for a docstring reference.
(Fdocumentation_property): Take advantage of the fact that
get_doc_string now ignores the sign of the docstring position.

value of `tool_bar_button_relief' is negative.

(single_submenu, xmenu_show): Set `help' field as Lisp_Object.

(set_menu_item_info): New vars.
(set_frame_menubar): Doc fix clarifying GC interaction with menus.
(w32_menu_show): Set current_popup_menu.
(add_menu_item): Allocate new strings for owner-drawn menu items
and help strings.
Use owner-draw for disabled menu items again.
(w32_menu_display_help): Ignore owner-drawn items and popup menus.
(w32_free_submenu_strings, w32_free_menu_strings): New functions.

(w32_wnd_proc) <WM_MOUSEMOVE>: Notice when mouse enters frame.
<WM_EXITMENULOOP>: Free menu strings.
<WM_MOUSELEAVE>: Stop tracking mouse.
(x_create_tip_frame): Specify no minibuffer, modeline or fringes.

and mouse face.

(EmacsFrameSetCharSize): Ditto.

(x_set_frame_parameters): Process Process `font' parameter before other
parameters as fringe widths depend on it.
(x_set_fringe_width): New function.
(x_figure_window_size): Use x_compute_fringe_widths.
(Fx_create_frame): Process `left-fringe' and `right-fringe' frame
parameters.

fill fringe evenly with small dashes.
(x_draw_fringe_bitmap): Clear background if necessary. Align and
clip the new ZV bitmap to avoid jitter between rows.
(x_draw_row_fringe_bitmaps): Rely on x_draw_fringe_bitmap to clear
background.  Don't draw fringe bitmaps if fringe width is zero.
(x_compute_fringe_widths): New function.
(x_new_font, x_set_window_size_1): Use it.

and fringe_cols fields.
(FRAME_FRINGE_BITMAP_WIDTH, FRAME_FRINGE_BITMAP_HEIGHT): Remove macros.
(FRAME_X_FRINGE_COLS): Use fringe_cols field.
(FRAME_X_FRINGE_WIDTH): Use fringes_extra field.
(FRAME_X_LEFT_FRINGE_WIDTH): Use left_fringe_width field.
(FRAME_X_RIGHT_FRINGE_WIDTH): Use right_fringe_width field.
(x_compute_fringe_widths): Add prototype.

(syms_of_frame): Initialize them.

(Qleft_fringe, Qright_fringe): Declare.
(FRAME_RIGHT_FRINGE_WIDTH): New macro.