* buffer.c (syms_of_buffer): New variables default-word-wrap and
word-wrap.
(init_buffer_once): Initialize them.
* dispextern.h (struct it): Replace bool truncate_lines_p with a
line_wrap enum possessing three possible values.
* termopts.h: Replace truncate_partial_width_windows with
Vtruncate_partial_width_windows.
* dispnew.c (direct_output_for_insert): Avoid direct output when
inserting a space with word wrap on.
* indent.c (compute_motion): Obey integer values of
truncate-partial-width-windows.
* xdisp.c (Vtruncate_partial_width_windows): New Lisp_Object,
replacing truncate_partial_width_windows.
(init_iterator): If Vtruncate_partial_width_windows is an integer,
truncate only if the window width is below that integer.
(start_display. resize_mini_window, produce_stretch_glyph)
(display_string, move_it_in_display_line_to): Use line_wrap.
(back_to_previous_visible_line_start, reseat_1): Reset
string_from_display_prop_p.
(display_line): Extend default face to end of line when wrapping.
(display_line, move_it_in_display_line_to): Add ability
to wrap continued lines at word boundaries.
(vc-dir-prepare-status-buffer): Take a backend as an argument and
use it when looking for a buffer.
(vc-dir): Add a backend argument. Set revert-buffer-function.
Don't create a client object. Move bindings ...
(vc-dir-menu-map, vc-dir-mode-map): ... here.
(vc-dir-revert-buffer-function): New function.
(vc-generic-status-printer): Rename to ...
(vc-dir-status-printer): ... this.
(vc-generic-state, vc-generic-status-fileinfo-extra)
(vc-dir-extra-menu, vc-make-backend-object): Remove.
(vc-default-status-printer): Use a different face for
directories. Don't display any text for directories in the state
column. Add tooltips.
Don't hardcode -gstabs+, use DEBUG_INFO.
* configure.bat (gccdebug): Check for DWARF-2 support in GCC.
Default to stabs if the compiler does not support DWARF-2.
(genmakefiles): Write new variable DEBUG_INFO to config.settings.
* Makefile.in (${lisp} ${SOME_MACHINE_LISP}, ../lisp/loaddefs.el):
Use $(BOOTSTRAPEMACS) rather than witness-emacs.
(bootstrap-emacs${EXEEXT}): Merge witness-emacs into it.
(witness-emacs): Remove.
(lisp, shortlisp): Move loaddefs.el earlier.
(mostlyclean): Forget about witness-emacs.
* Makefile.in (COMPILE_FIRST): Trim down and add autoload.el.
(bug-reference-url-format): Autoload safe if string.
(bug-reference-bug-regexp): Make space after "bug" optional.
(bug-reference-fontify): Save match data.
