datetime_from_timet_and_us(): ignore leap seconds if the platform
localtime()/gmtime() insists on delivering them, + associated doc
changes.
Redid the docs for datetimtez.astimezone().
diff --git a/Misc/NEWS b/Misc/NEWS
index 89c7683..8bc29a6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -50,6 +50,12 @@
time), this case can arise one hour per year, at the hour daylight time
ends. See new docs for details.
+ The constructors building a datetime from a timestamp could raise
+ ValueError if the platform C localtime()/gmtime() inserted "leap
+ seconds". Leap seconds are ignored now. On such platforms, it's
+ possible to have timestamps that differ by a second, yet where
+ datetimes constructed from them are equal.
+
Library
-------