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| author | Richard M. Stallman <rms@gnu.org> | 2006-06-13 14:02:21 +0000 |
|---|---|---|
| committer | Richard M. Stallman <rms@gnu.org> | 2006-06-13 14:02:21 +0000 |
| commit | c74849812bb1e16ce0ee75c734f9c07a69649c4e (patch) | |
| tree | 21b17da26046aee52412a63b2a7f8e48550f1fa7 /lispref/display.texi | |
| parent | d211faa23cab00b8927dc544b5ca21f5659f3c6e (diff) | |
| download | emacs-c74849812bb1e16ce0ee75c734f9c07a69649c4e.tar.gz | |
(Forcing Redisplay): Clarify previous change.
Diffstat (limited to 'lispref/display.texi')
| -rw-r--r-- | lispref/display.texi | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lispref/display.texi b/lispref/display.texi index 1915505dd8c..bf5f89f18a1 100644 --- a/lispref/display.texi +++ b/lispref/display.texi @@ -96,12 +96,13 @@ binding @code{redisplay-dont-pause} to a non-@code{nil} value. @tindex redisplay-preemption-period @defvar redisplay-preemption-period -This variable controls how often Emacs checks for new input during -redisplay. The default setting is to check for input every 0.1 -seconds after redisplay has started. If input arrives, redisplay -stops, and all available input is processed before redisplay starts over. - If this variable is set to @code{nil}, redisplay--once started--is never -preempted by input. +This variable specifies how many seconds Emacs waits between checks +for new input during redisplay. (The default is 0.1 seconds.) If +input has arrived when Emacs checks, it pre-empts redisplay and +processes the available input before trying again to redisplay. + +If this variable is @code{nil}, Emacs does not check for input during +redisplay, and redisplay cannot be preempted by input. @emph{Note} that this variable is only available if Emacs is built with support for sub-second timers. |