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(Forcing Redisplay): Add `redisplay' function.

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Don't mention (sit-for -1) -- use (redisplay t) instead.
This commit is contained in:
Kim F. Storm 2006-07-11 00:47:42 +00:00
parent d812080674
commit a4df70f7df
1 changed files with 7 additions and 4 deletions
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11
lispref/display.texi
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@ -113,10 +113,13 @@ prevent or halt redisplay; redisplay occurs, and finishes,
regardless of whether input is available.
@end defvar
@findex sit-for
You can request a display update, but only if no input is pending,
with @code{(sit-for 0)}. To force a display update even when input is
pending, use @code{(sit-for -1)}.
@defun redisplay &optional force
This function performs an immediate redisplay provided there are no
pending input events. This is equivalent to @code{(sit-for 0)}.
If the optional argument @var{force} is non-@code{nil}, it forces an
immediate and complete redisplay even if input is available.
@end defun
@node Truncation
@section Truncation