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* doc/lispref/os.texi (time-subtract): Doc fix.

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Paul Eggert 2020-03-07 09:30:19 -08:00
parent 72f87f8873
commit 818333c85a
1 changed files with 2 additions and 3 deletions
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doc/lispref/os.texi
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@ -1978,10 +1978,9 @@ The result is @code{nil} if either argument is a NaN.
@defun time-subtract t1 t2
This returns the time difference @var{t1} @minus{} @var{t2} between
two time values, normally as a Lisp timestamp but as a float
if either argument is infinite or a NaN@.
When the result is a timestamp, it is exact and its clock
two time values, as a Lisp time value. The result is exact and its clock
resolution is no worse than the worse of its two arguments' resolutions.
The result is floating-point only if it is infinite or a NaN.
If you need the difference in units
of elapsed seconds, you can convert it with @code{time-convert} or
@code{float-time}. @xref{Time Conversion}.