Commit 860dab78 authored by Gerd Moellmann's avatar Gerd Moellmann
Browse files

(Display Vars): Fix description of the role of

baud-rate for window-systems.
parent 3e8abfd3
......@@ -410,14 +410,16 @@ windows, see @ref{Split Window}. See also @ref{Display,, Display,
elisp, The Emacs Lisp Reference Manual}.
@vindex baud-rate
The variable @code{baud-rate} holds the output speed of the
terminal, as far as Emacs knows. Setting this variable does not change
the speed of actual data transmission, but the value is used for
calculations such as padding. It also affects decisions about whether
to scroll part of the screen or redraw it instead---even when using a
window system. (We designed it this way, despite the fact that a window
system has no true ``output speed,'' to give you a way to tune these
decisions.)
The variable @code{baud-rate} holds the output speed of the terminal,
as far as Emacs knows. Setting this variable does not change the speed
of actual data transmission, but the value is used for calculations such
as padding. On terminals, it also affects decisions about whether to
scroll part of the screen or redraw it instead.
On window-systems, @code{baud-rate} is only used to determine how
frequently to look for pending input during display updating. A higher
value of @code{baud-rate} means that check for pending input will be
done less frequently.
You can customize the way any particular character code is displayed
by means of a display table. @xref{Display Tables,, Display Tables,
......
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