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-rw-r--r--Doc/library/datetime.rst10
1 files changed, 6 insertions, 4 deletions
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
index 30b63e1..bb268e1 100644
--- a/Doc/library/datetime.rst
+++ b/Doc/library/datetime.rst
@@ -170,10 +170,12 @@ dates or times.
* ``0 <= seconds < 3600*24`` (the number of seconds in one day)
* ``-999999999 <= days <= 999999999``
- If any argument is a float and there are fractional microseconds, the fractional
- microseconds left over from all arguments are combined and their sum is rounded
- to the nearest microsecond. If no argument is a float, the conversion and
- normalization processes are exact (no information is lost).
+ If any argument is a float and there are fractional microseconds,
+ the fractional microseconds left over from all arguments are
+ combined and their sum is rounded to the nearest microsecond using
+ round-half-to-even tiebreaker. If no argument is a float, the
+ conversion and normalization processes are exact (no information is
+ lost).
If the normalized value of days lies outside the indicated range,
:exc:`OverflowError` is raised.