* xdisp.c (window_box_width): Don't return less than zero.
(window_box_left_offset, window_box_right_offset): Don't return
more than the window's pixel width.
src/w32.c (pMultiByteToWideChar, pWideCharToMultiByte): New
variables: pointers through which to call the respective APIs.
(filename_to_utf16, filename_from_utf16, filename_to_ansi)
(filename_from_ansi, sys_link, check_windows_init_file): Call
MultiByteToWideChar and WideCharToMultiByte through pointers.
This is required on Windows 9X, where we dynamically load
UNICOWS.DLL which has their non-stub implementations.
(maybe_load_unicows_dll): Assign addresses to these 2 function
pointers after loading UNICOWS.DLL.
src/w32fns.c (Fx_file_dialog, Fw32_shell_execute) [!CYGWIN]: Call
MultiByteToWideChar and WideCharToMultiByte through function
pointers.
src/w32.h (pMultiByteToWideChar, pWideCharToMultiByte): New
declarations.
src/w32menu.c (w32_popup_dialog): Don't condition the whole function
on HAVE_DIALOGS. If the dialog is "simple", pop up a message box
to show it; otherwise return 'unsupported--w32-dialog' to signal
to the caller that emulation with menus is necessary. This
resurrects code inadvertently deleted by the 2013-10-08 commit.
(syms_of_w32menu): DEFSYM Qunsupported__w32_dialog.
src/w32term.h (w32_popup_dialog): Prototype is no longer conditioned
by HAVE_DIALOGS.
src/menu.c (Fx_popup_dialog): Don't condition the call to
w32_popup_dialog on HAVE_DIALOGS. If w32_popup_dialog returns a
special symbol 'unsupported--w32-dialog', emulate the dialog with
a menu by calling x-popup-menu.
src/menu.h (Qunsupported__w32_dialog): New extern variable.
* faces.el (window-divider): New default value. Rewrite
doc-string.
(window-divider-first-pixel, window-divider-last-pixel): New
faces.
* dispextern.h (face_id): Add WINDOW_DIVIDER_FIRST_PIXEL_FACE_ID
and WINDOW_DIVIDER_LAST_PIXEL_FACE_ID.
* w32term.c (w32_draw_window_divider): Handle first and last
pixels specially.
* w32term.h (w32_fill_area_abs): New function.
* xdisp.c (x_draw_right_divider): Don't draw over bottom
divider.
* xfaces.c (realize_basic_faces): Handle new face ids.
* xfns.c (Fx_create_frame): Call x_default_parameter for right
and bottom divider width.
* xterm.c (x_draw_window_divider): Handle first and last pixels
specially.
src/print.c (Fexternal_debugging_output): If the argument character
is non-ASCII, encode it with the current locale's encoding before
writing the result to the terminal.
* doc/lispref/searching.texi (String Search): Incremental word search fixes.
* lisp/sort.el (delete-duplicate-lines): Remove `:weakness 'key'
from `make-hash-table'.
* lisp/textmodes/ispell.el (ispell-init-process): Change message format
to be consistent with other messages.
