nil
, then it uses CBREAK mode. When Emacs communicates
directly with X, it ignores this argument and uses interrupts if that is
the way it knows how to communicate.
If flow is non-nil
, then Emacs uses XON/XOFF (C-q,
C-s) flow control for output to the terminal. This has no effect except
in CBREAK mode. See section Flow Control.
The default setting is system dependent. Some systems always use CBREAK mode regardless of what is specified.
The argument meta controls support for input character codes
above 127. If meta is t
, Emacs converts characters with
the 8th bit set into Meta characters. If meta is nil
,
Emacs disregards the 8th bit; this is necessary when the terminal uses
it as a parity bit. If meta is neither t
nor nil
,
Emacs uses all 8 bits of input unchanged. This is good for terminals
using European 8-bit character sets.
If quit-char is non-nil
, it specifies the character to
use for quitting. Normally this character is C-g.
See section Quitting.
The current-input-mode
function returns the input mode settings
Emacs is currently using.
set-input-mode
,
of the form (interrupt flow meta quit)
in
which:
nil
when Emacs is using interrupt-driven input. If
nil
, Emacs is using CBREAK mode.
nil
if Emacs uses XON/XOFF (C-q, C-s)
flow control for output to the terminal. This value has no effect
unless interrupt is non-nil
.
t
if Emacs treats the eighth bit of input characters as
the meta bit; nil
means Emacs clears the eighth bit of every
input character; any other value means Emacs uses all eight bits as the
basic character code.
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