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outside of the save-excursion.  New var process-window
controls which window to do it in.

Fix up calls to window_display_table.  Access display tables as char-tables.

struct Lisp_Char_Table * since display tables are now char-tables.

Return type is now struct Lisp_Char_Table *
since display tables are now char-tables.

(character_width, disptab_matches_widthtab, recompute_width_table)
(current_column, Fmove_to_column, compute_motion):
Corresponding changes.

(map_char_table): No longer static.  New arg C_FUNCTION.
(Fmap_char_table): Call to map_char_table changed.
(Fset_char_table_parent): Allow nil s new parent.
Fix the code that checks for a loop in parents.

(Qdisplay_table): Declared.

(DISP_TABLE_EXTRA_SLOTS, DISP_TABLE_P): New macros.
(DISP_TRUNC_GLYPH, DISP_CONTINUE_GLYPH, DISP_ESCAPE_GLYPH)
(DISP_CTRL_GLYPH, DISP_INVIS_VECTOR, DISP_BORDER_GLYPH):
Use the `extras' field.
(window_display_table, buffer_display_table): Change return type.

dos_menubar_clock, dos_hyper_key, dos_super_key, dos_keypad_mode,
dos_keyboard_layout, dos_decimal_point): New variables.

(msdos-memget, msdos-memput): New functions.
(msdos-set-keyboard, insert-startup-screen): New functions.
(dos-timezone-offset, dos-display-scancodes, dos-menubar-clock,
dos-hyper-key, dos-super-key, dos-keypad-mode, dos-keyboard-layout,
dos-decimal-point): New variables.

Reworked display code to perform immediate screen output.
Added menu-bar clock.
Reworked keyboard code to support international keyboards.
Improved keypad handling (see dos-keypad-mode).
Properly distinguish between C-end and C-kp-1 etc.
Corrected M-return & M-kp-enter.
Added support for hyper and super keys.
Reworked mouse code to avoid mouse flicker.
Saves and restores DOS-screen prior to emacs startup.
(sys_select): Would abort if rfds = NULL.
(dos_direct_output): New function.
(dos_dump_scancodes): New variable.

(mouse_init1, mouse_check_moved, mouse_pressed, mouse_released): Removed.
(dos_get_saved_screen, dos_set_keyboard): New functions.

Define __DJGPP__ to 1.
Simplified INTERNAL_TERMINAL termcap definition.
Removed #define fflush internal_flush.

(reset_sys_modes) [MSDOS]: Do not look at EMACSCOLORS.

menu-bar-ediff-menu is not defined yet.

Don't back up if we start at the beginning of a symbol.

(view-search): Use that variable.

included tables.

of syntax table are lists, not integers.

Call record_asynch_buffer_change only if caller is reading kbd input.

hostname when deleting the socket file.

(desktop-globals-to-save): Doc fix.

(normal-top-level): Not here.

but write zeros only a page at a time.