(w32_face_attributes): New function.
(Global_variables): Reduce scope where possible.
(clear_frame, ins_del_lines, scroll_line): Use char_attr_normal as
fill attribute.
(hl_mode): Don't modify text attributes.
(write_glyphs): Don't do anything if len <= 0. Use
w32_face_attributes to get attributes for drawing. Write
terminating codes using char_attr_normal.
(reset_terminal_modes, set_terminal_modes): Turn off highlight.
(update_begin, update_end): Likewise.
(vga_stdcolor_name): New function.
(initialize_w32_display): Remove char_attr_reverse and char_attr.
(Fset_screen_color): Remove char_attr_reverse.
(syms_of_ntterm): Register it.
(initialize_w32_display): Set initial frame size accordingly,
respecting the LINES and COLUMNS environment variables if set.
be smaller than the screen buffer width.
(write_glyphs): Remove redundant variable attrs. Use
FillConsoleOutputAttribute instead of WriteConsoleOutputAttribute.
(keyboard_init_hook): Delete variable.
(prev_console_cursor) [! USE_SEPARATE_SCREEN]: New variable.
(reset_terminal_modes) [! USE_SEPARATE_SCREEN]: Reset cursor info.
(initialize_w32_display) [USE_SEPARATE_SCREEN]: Create separate
screen buffer.
(ctrl_c_handler): Only ignore interrupts when interactive.
(set_terminal_modes): Set input mode.
(initialize_w32_display): Record original settings.
Don't reset cursor or clear frame.
into Windows 95, Windows NT, and W32, respectively.
Expand "win" substring in variables referring to Microsoft Windows
constructs into "windows".
Canonicalize header comments to use same terminology.
