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2013-12-17 Paul Eggert <eggert@cs.ucla.edu>
+ Support TZ transition times < 00:00:00.
+ This is needed for version-3 tz-format files; it supports time
+ stamps past 2037 for America/Godthab (the only entry in the tz
+ database for which this change is relevant).
+ * manual/time.texi (TZ Variable): Document transition times
+ from -167:59:59 through -00:00:01.
+ * time/tzset.c (tz_rule): Time of day is now signed.
+ (__tzset_parse_tz): Parse negative time of day.
+
Document TZ transition times >= 25:00:00.
* manual/time.texi (TZ Variable): Document transition times from
25:00:00 through 167:59:59. These are already supported, and this