Removed %T in mode-line-format. Trivial documentation changes.

Removed %T in mode-line-format.  Trivial documentation changes.

lisp/bindings.el (mode-line-buffer-identification): Use the
conditional formatting feature instead of builtin support.

src/buffer.c (Vmode_line_format): Removed %T documentation.

src/xdisp.c (decode_mode_spec): Removed %T processing.

lib-src/emacsclient.c (pass_signal_to_emacs, init_signals): Added
comment.

src/cm.c: Cosmetic changes.
src/termchar.h: Ditto.

src/keyboard.c (interrupt_signal, handle_interrupt): Updated
documentation.

src/process.c (add_keyboard_wait_descriptor): Added docs.

src/sysdep.c (init_all_sys_modes, init_sys_modes)
(reset_all_sys_modes): Added docs.

src/term.c (tty_ring_bell, tty_set_terminal_modes)
(tty_reset_terminal_modes, tty_update_end, set_terminal_window)
(tty_set_terminal_window, clear_to_end, tty_clear_to_end)
(tty_clear_frame, tty_clear_end_of_line, write_glyphs)
(tty_write_glyphs, insert_glyphs, tty_insert_glyphs, delete_glyphs)
(tty_delete_glyphs, tty_ins_del_lines, get_named_tty_display)
(init_initial_display, delete_tty): Added docs.

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-65