Import tzdata 2022c
This commit is contained in:
Philip Paeps
parent
79499b48c8
commit
adf59137a1
9
Makefile
9
Makefile
@ -298,8 +298,9 @@ GCC_DEBUG_FLAGS = -DGCC_LINT -g3 -O3 -fno-common \
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# guess TM_GMTOFF from other macros; define NO_TM_GMTOFF to suppress this.
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# Similarly, if your system has a "zone abbreviation" field, define
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# -DTM_ZONE=tm_zone
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# and define NO_TM_ZONE to suppress any guessing. These two fields are not
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# required by POSIX, but are widely available on GNU/Linux and BSD systems.
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# and define NO_TM_ZONE to suppress any guessing. Although these two fields
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# not required by POSIX, a future version of POSIX is planned to require them
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# and they are widely available on GNU/Linux and BSD systems.
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#
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# The next batch of options control support for external variables
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# exported by tzcode. In practice these variables are less useful
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@ -538,7 +539,7 @@ DATA= $(TDATA_TO_CHECK) backzone iso3166.tab leap-seconds.list \
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leapseconds $(ZONETABLES)
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AWK_SCRIPTS= checklinks.awk checktab.awk leapseconds.awk \
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ziguard.awk zishrink.awk
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MISC= $(AWK_SCRIPTS) zoneinfo2tdf.pl
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MISC= $(AWK_SCRIPTS)
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TZS_YEAR= 2050
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TZS_CUTOFF_FLAG= -c $(TZS_YEAR)
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TZS= to$(TZS_YEAR).tzs
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@ -567,7 +568,7 @@ VERSION_DEPS= \
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tzfile.5 tzfile.h tzselect.8 tzselect.ksh \
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workman.sh zdump.8 zdump.c zic.8 zic.c \
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ziguard.awk zishrink.awk \
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zone.tab zone1970.tab zoneinfo2tdf.pl
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zone.tab zone1970.tab
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# And for the benefit of csh users on systems that assume the user
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# shell should be used to handle commands in Makefiles. . .
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26
NEWS
26
NEWS
@ -1,5 +1,29 @@
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News for the tz database
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Release 2022c - 2022-08-15 17:47:18 -0700
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Briefly:
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Work around awk bug in FreeBSD, macOS, etc.
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Improve tzselect on intercontinental Zones.
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Changes to code
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Work around a bug in onetrueawk that broke commands like
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'make traditional_tarballs' on FreeBSD, macOS, etc.
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(Problem reported by Deborah Goldsmith.)
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Add code to tzselect that uses experimental structured comments in
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zone1970.tab to clarify whether Zones like Africa/Abidjan and
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Europe/Istanbul cross continent or ocean boundaries.
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(Inspired by a problem reported by Peter Krefting.)
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Fix bug with 'zic -d /a/b/c' when /a is unwritable but the
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directory /a/b already exists.
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Remove zoneinfo2tdf.pl, as it was unused and triggered false
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malware alarms on some email servers.
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Release 2022b - 2022-08-10 15:38:32 -0700
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Briefly:
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@ -83,7 +107,7 @@ Release 2022b - 2022-08-10 15:38:32 -0700
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zic no longer complains "can't determine time zone abbreviation to
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use just after until time" when a transition to a new standard
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time occurs simultanously with the first DST fallback transition.
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time occurs simultaneously with the first DST fallback transition.
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Changes to build procedure
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4
asia
4
asia
@ -1505,8 +1505,8 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov
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# onwards (which was during the Islamic Republic).
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# From Francis Santoni (2022-06-01):
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# for Iran and 1977 the effective change is only 20 october
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# (UIT No. 143 17.XI.1977) and not 23 september (UIT No. 141 13.IX.1977).
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# for Iran and 1977 the effective change is only 20 October
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# (UIT No. 143 17.XI.1977) and not 23 September (UIT No. 141 13.IX.1977).
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# UIT is the Operational Bulletin of International Telecommunication Union.
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# From Roozbeh Pournader (2003-03-15):
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26
theory.html
26
theory.html
@ -122,7 +122,7 @@ If geolocation information is available, a selection interface can
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locate the user on a timezone map or prioritize names that are
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geographically close. For an example selection interface, see the
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<code>tzselect</code> program in the <code><abbr>tz</abbr></code> code.
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The <a href="http://cldr.unicode.org">Unicode Common Locale Data
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The <a href="https://cldr.unicode.org">Unicode Common Locale Data
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Repository</a> contains data that may be useful for other selection
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interfaces; it maps timezone names like <code>Europe/Prague</code> to
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locale-dependent strings like "Prague", "Praha", "Прага", and "布拉格".
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@ -571,7 +571,7 @@ in decreasing order of importance:
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locations while uninhabited.
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The leading '<code>-</code>' is a flag that the <abbr>UT</abbr> offset is in
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some sense undefined; this notation is derived
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from <a href="https://tools.ietf.org/html/rfc3339">Internet
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from <a href="https://datatracker.ietf.org/doc/html/rfc3339">Internet
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<abbr title="Request For Comments">RFC</abbr> 3339</a>.
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</li>
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</ul>
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@ -624,7 +624,7 @@ Errors in the <code><abbr>tz</abbr></code> database arise from many sources:
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should be observed.
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In her 2015 book
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<cite><a
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href="http://www.hup.harvard.edu/catalog.php?isbn=9780674286146">The
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href="https://www.hup.harvard.edu/catalog.php?isbn=9780674286146">The
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Global Transformation of Time, 1870–1950</a></cite>,
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Vanessa Ogle writes
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"Outside of Europe and North America there was no system of time
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@ -810,7 +810,7 @@ href="https://www.dissentmagazine.org/blog/booked-a-global-history-of-time-vanes
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See: Stephenson FR, Morrison LV, Hohenkerk CY.
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<a href="https://dx.doi.org/10.1098/rspa.2016.0404">Measurement of
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the Earth's rotation: 720 BC to AD 2015</a>.
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<cite>Proc Royal Soc A</cite>. 2016 Dec 7;472:20160404.
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<cite>Proc Royal Soc A</cite>. 2016;472:20160404.
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Also see: Espenak F. <a
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href="https://eclipse.gsfc.nasa.gov/SEhelp/uncertainty2004.html">Uncertainty
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in Delta T (ΔT)</a>.
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@ -1036,7 +1036,7 @@ an older <code>zic</code>.
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and numeric data as described <a href="#POSIX">above</a>.
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The file's format is <dfn><abbr>TZif</abbr></dfn>,
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a timezone information format that contains binary data; see
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<a href="https://tools.ietf.org/html/8536">Internet
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<a href="https://datatracker.ietf.org/doc/html/8536">Internet
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<abbr>RFC</abbr> 8536</a>.
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The daylight saving time rules to be used for a
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particular timezone are encoded in the
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@ -1064,11 +1064,12 @@ an older <code>zic</code>.
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</li>
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<li>
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The code supports platforms with a <abbr>UT</abbr> offset member
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in <code>struct tm</code>, e.g., <code>tm_gmtoff</code>.
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</li>
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<li>
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The code supports platforms with a time zone abbreviation member in
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<code>struct tm</code>, e.g., <code>tm_zone</code>.
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in <code>struct tm</code>, e.g., <code>tm_gmtoff</code>,
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or with a time zone abbreviation member in
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<code>struct tm</code>, e.g., <code>tm_zone</code>. As noted
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in <a href="https://austingroupbugs.net/view.php?id=1533">Austin
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Group defect 1533</a>, a future version of POSIX is planned to
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require <code>tm_gmtoff</code> and <code>tm_zone</code>.
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</li>
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<li>
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Functions <code>tzalloc</code>, <code>tzfree</code>,
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@ -1129,7 +1130,8 @@ The vestigial <abbr>API</abbr>s are:
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<abbr>API</abbr>s.
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Although it can still be used in arguments to
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<code>mktime</code> to disambiguate timestamps near
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a <abbr>DST</abbr> transition when the clock jumps back, this
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a <abbr>DST</abbr> transition when the clock jumps back on
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platforms lacking <code>tm_gmtoff</code>, this
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disambiguation does not work when standard time itself jumps back,
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which can occur when a location changes to a time zone with a
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lesser <abbr>UT</abbr> offset.
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@ -1277,7 +1279,7 @@ the operating system kernel clock as described in
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<a href="tz-link.html#precision">Precision timekeeping</a>,
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and this package by default installs a <samp>leapseconds</samp> file
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commonly used by
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<a href="http://www.ntp.org"><abbr title="Network Time Protocol">NTP</abbr></a>
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<a href="https://www.ntp.org"><abbr title="Network Time Protocol">NTP</abbr></a>
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software that adjusts the kernel clock.
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However, kernel-clock twiddling approximates UTC only roughly,
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and systems needing more-precise UTC can use this package's leap
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37
ziguard.awk
37
ziguard.awk
@ -91,12 +91,13 @@ $1 == "#PACKRATLIST" && $2 == PACKRATLIST {
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/^Zone/ { zone = $2 }
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DATAFORM != "main" {
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in_comment = /^#/
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in_comment = $0 ~ /^#/
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uncomment = comment_out = 0
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# If this line should differ due to Czechoslovakia using negative SAVE values,
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# uncomment the desired version and comment out the undesired one.
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if (zone == "Europe/Prague" && /^#?[\t ]+[01]:00[\t ]/ && /1947 Feb 23/) {
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if (zone == "Europe/Prague" && $0 ~ /^#?[\t ]+[01]:00[\t ]/ \
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&& $0 ~ /1947 Feb 23/) {
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if (($(in_comment + 2) != "-") == (DATAFORM != "rearguard")) {
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uncomment = in_comment
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} else {
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@ -106,9 +107,9 @@ DATAFORM != "main" {
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# If this line should differ due to Ireland using negative SAVE values,
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# uncomment the desired version and comment out the undesired one.
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Rule_Eire = /^#?Rule[\t ]+Eire[\t ]/
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Rule_Eire = $0 ~ /^#?Rule[\t ]+Eire[\t ]/
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Zone_Dublin_post_1968 \
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= (zone == "Europe/Dublin" && /^#?[\t ]+[01]:00[\t ]/ \
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= (zone == "Europe/Dublin" && $0 ~ /^#?[\t ]+[01]:00[\t ]/ \
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&& (!$(in_comment + 4) || 1968 < $(in_comment + 4)))
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if (Rule_Eire || Zone_Dublin_post_1968) {
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if ((Rule_Eire \
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@ -122,9 +123,9 @@ DATAFORM != "main" {
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# If this line should differ due to Namibia using negative SAVE values,
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# uncomment the desired version and comment out the undesired one.
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Rule_Namibia = /^#?Rule[\t ]+Namibia[\t ]/
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Rule_Namibia = $0 ~ /^#?Rule[\t ]+Namibia[\t ]/
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Zone_using_Namibia_rule \
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= (zone == "Africa/Windhoek" && /^#?[\t ]+[12]:00[\t ]/ \
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= (zone == "Africa/Windhoek" && $0 ~ /^#?[\t ]+[12]:00[\t ]/ \
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&& ($(in_comment + 2) == "Namibia" \
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|| ($(in_comment + 2) == "-" && $(in_comment + 3) == "CAT" \
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&& ((1994 <= $(in_comment + 4) && $(in_comment + 4) <= 2017) \
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@ -142,8 +143,8 @@ DATAFORM != "main" {
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# If this line should differ due to Portugal benefiting from %z if supported,
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# uncomment the desired version and comment out the undesired one.
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if (/^#?[\t ]+-[12]:00[\t ]+Port[\t ]+[%+-]/) {
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if (/%z/ == (DATAFORM == "vanguard")) {
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if ($0 ~ /^#?[\t ]+-[12]:00[\t ]+Port[\t ]+[%+-]/) {
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if (($0 ~ /%z/) == (DATAFORM == "vanguard")) {
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uncomment = in_comment
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} else {
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comment_out = !in_comment
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@ -164,8 +165,8 @@ DATAFORM != "main" {
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sub(/-00CHANGE-TO-%z/, "-00")
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sub(/[-+][^\t ]+CHANGE-TO-/, "")
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} else {
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if (/^[^#]*%z/) {
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stdoff_column = 2 * /^Zone/ + 1
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if ($0 ~ /^[^#]*%z/) {
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stdoff_column = 2 * ($0 ~ /^Zone/) + 1
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rules_column = stdoff_column + 1
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stdoff = get_minutes($stdoff_column)
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rules = $rules_column
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@ -184,9 +185,9 @@ DATAFORM != "main" {
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dstoff = 20
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} else if (((rules == "Cook" || rules == "LH") && NF == 3) \
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|| (rules == "Uruguay" \
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&& /[\t ](1942 Dec 14|1960|1970|1974 Dec 22)$/)) {
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&& $0 ~ /[\t ](1942 Dec 14|1960|1970|1974 Dec 22)$/)) {
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dstoff = 30
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} else if (rules == "Uruguay" && /[\t ]1974 Mar 10$/) {
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} else if (rules == "Uruguay" && $0 ~ /[\t ]1974 Mar 10$/) {
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dstoff = 90
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} else {
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dstoff = 60
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@ -222,7 +223,7 @@ DATAFORM != "main" {
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stdoff_subst[1] = rounded_stdoff
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}
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} else if (stdoff_subst[0]) {
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stdoff_column = 2 * /^Zone/ + 1
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stdoff_column = 2 * ($0 ~ /^Zone/) + 1
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stdoff_column_val = $stdoff_column
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if (stdoff_column_val == stdoff_subst[0]) {
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sub(stdoff_subst[0], stdoff_subst[1])
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@ -233,7 +234,7 @@ DATAFORM != "main" {
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# In rearguard form, change the Japan rule line with "Sat>=8 25:00"
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# to "Sun>=9 1:00", to cater to zic before 2007 and to older Java.
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if (/^Rule/ && $2 == "Japan") {
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if ($0 ~ /^Rule/ && $2 == "Japan") {
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if (DATAFORM == "rearguard") {
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if ($7 == "Sat>=8" && $8 == "25:00") {
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sub(/Sat>=8/, "Sun>=9")
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@ -250,7 +251,7 @@ DATAFORM != "main" {
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# In rearguard form, change the Morocco lines with negative SAVE values
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# to use positive SAVE values.
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if ($2 == "Morocco") {
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if (/^Rule/) {
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if ($0 ~ /^Rule/) {
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if ($4 ~ /^201[78]$/ && $6 == "Oct") {
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if (DATAFORM == "rearguard") {
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sub(/\t2018\t/, "\t2017\t")
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@ -290,8 +291,10 @@ DATAFORM != "main" {
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/^Zone/ {
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packrat_ignored = FILENAME == PACKRATDATA && PACKRATLIST && !packratlist[$2];
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}
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packrat_ignored && !/^Rule/ {
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sub(/^/, "#")
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{
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if (packrat_ignored && $0 !~ /^Rule/) {
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sub(/^/, "#")
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}
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}
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# If a Link line is followed by a Link or Zone line for the same data, comment
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24
zone1970.tab
24
zone1970.tab
@ -351,3 +351,27 @@ VN +1045+10640 Asia/Ho_Chi_Minh Vietnam (south)
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VU -1740+16825 Pacific/Efate
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WS -1350-17144 Pacific/Apia
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ZA,LS,SZ -2615+02800 Africa/Johannesburg
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#
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# The next section contains experimental tab-separated comments for
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# use by user agents like tzselect that identify continents and oceans.
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#
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# For example, the comment "#@AQ<tab>Antarctica/" means the country code
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# AQ is in the continent Antarctica regardless of the Zone name,
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# so Pacific/Auckland should be listed under Antarctica as well as
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# under the Pacific because its line's country codes include AQ.
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#
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# If more than one country code is affected each is listed separated
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# by commas, e.g., #@IS,SH<tab>Atlantic/". If a country code is in
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# more than one continent or ocean, each is listed separated by
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# commas, e.g., the second column of "#@CY,TR<tab>Asia/,Europe/".
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#
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# These experimental comments are present only for country codes where
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# the continent or ocean is not already obvious from the Zone name.
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# For example, there is no such comment for RU since it already
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# corresponds to Zone names starting with both "Europe/" and "Asia/".
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#
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#@AQ Antarctica/
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#@IS,SH Atlantic/
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#@CY,TR Asia/,Europe/
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#@SJ Arctic/
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#@CC,CX,KM,MG,YT Indian/
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