- update to 2023d:
* Ittoqqortoormiit, Greenland changes time zones on
2024-03-31.
* Vostok, Antarctica changed time zones on 2023-12-18.
* Casey, Antarctica changed time zones five times since
2020.
* Code and data fixes for Palestine timestamps starting in
2072.
* A new data file zonenow.tab for timestamps starting now.
* Fix predictions for DST transitions in Palestine in
2072-2075, correcting a typo introduced in 2023a.
* Vostok, Antarctica changed to +05 on 2023-12-18. It had
been at +07 (not +06) for years.
* Change data for Casey, Antarctica to agree with
timeanddate.com, by adding five time zone changes since 2020.
Casey is now at +08 instead of +11.
* Much of Greenland, represented by America/Nuuk, changed
its standard time from -03 to -02 on 2023-03-25, not on
2023-10-28.
* localtime.c no longer mishandles TZif files that contain
a single transition into a DST regime. Previously,
it incorrectly assumed DST was in effect before the transition
too.
* tzselect no longer creates temporary files.
* tzselect no longer mishandles the following:
* Spaces and most other special characters in BUGEMAIL,
PACKAGE, TZDIR, and VERSION.
* TZ strings when using mawk 1.4.3, which mishandles
regular expressions of the form /X{2,}/.
* ISO 6709 coordinates when using an awk that lacks the