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authorGuido van Rossum <guido@python.org>1995-03-17 16:07:09 (GMT)
committerGuido van Rossum <guido@python.org>1995-03-17 16:07:09 (GMT)
commit470be14c8aa23a35a1f4d1f1260a66a85d3f3cd9 (patch)
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mass changes; fix titles; add examples; correct typos; clarifications;
unified style; etc.
Diffstat (limited to 'Doc/lib/libtime.tex')
-rw-r--r--Doc/lib/libtime.tex18
1 files changed, 9 insertions, 9 deletions
diff --git a/Doc/lib/libtime.tex b/Doc/lib/libtime.tex
index 1bc5ffa..746e21e 100644
--- a/Doc/lib/libtime.tex
+++ b/Doc/lib/libtime.tex
@@ -11,8 +11,7 @@ An explanation of some terminology and conventions is in order.
\item
The ``epoch'' is the point where the time starts. On January 1st of that
year, at 0 hours, the ``time since the epoch'' is zero. For UNIX, the
-epoch is 1970. To find out what the epoch is, look at the first
-element of \code{gmtime(0)}.
+epoch is 1970. To find out what the epoch is, look at \code{gmtime(0)}.
\item
UTC is Coordinated Universal Time (formerly known as Greenwich Mean
@@ -30,19 +29,20 @@ in this respect.
\item
The precision of the various real-time functions may be less than
suggested by the units in which their value or argument is expressed.
-E.g.\ on most UNIX systems, the clock ``ticks'' only every 1/50th or
-1/100th of a second, and on the Mac, it ticks 60 times a second.
+E.g.\ on most UNIX systems, the clock ``ticks'' only 50 or 100 times a
+second, and on the Mac, times are only accurate to whole seconds.
\end{itemize}
-Functions and data items are:
+The module defines the following functions and data items:
\renewcommand{\indexsubitem}{(in module time)}
\begin{datadesc}{altzone}
The offset of the local DST timezone, in seconds west of the 0th
-meridian, if one is defined. Only use this if \code{daylight} is
-nonzero.
+meridian, if one is defined. Negative if the local DST timezone is
+east of the 0th meridian (as in Western Europe, including the UK).
+Only use this if \code{daylight} is nonzero.
\end{datadesc}
@@ -56,8 +56,8 @@ the same name, there is no trailing newline.
\begin{funcdesc}{clock}{}
Return the current CPU time as a floating point number expressed in
-seconds. The precision depends on that of the C function by the same
-name.
+seconds. The precision, and in fact the very definiton of the meaning
+of ``CPU time'', depends on that of the C function of the same name.
\end{funcdesc}