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[src/trunk]: src/external/public-domain/tz/dist Import tzdata2020b from ftp:/...



details:   https://anonhg.NetBSD.org/src/rev/908757468ad1
branches:  trunk
changeset: 955684:908757468ad1
user:      kre <kre%NetBSD.org@localhost>
date:      Thu Oct 08 04:27:22 2020 +0000

description:
Import tzdata2020b from ftp://ftp.iana.org/tz/releases/tzdata2020b.tar.gz

Summary of changes in tzdata2020b (2020-10-06 18:35:04 -0700):

     Revised predictions for Morocco's changes starting in 2023.
     Canada's Yukon changes to -07 on 2020-11-01, not 2020-03-08.
     Macquarie Island has stayed in sync with Tasmania since 2011.
     Casey, Antarctica is at +08 in winter and +11 in summer.

diffstat:

 external/public-domain/tz/dist/Makefile          |  107 +++-------
 external/public-domain/tz/dist/NEWS              |   71 +++++++
 external/public-domain/tz/dist/README            |    2 +
 external/public-domain/tz/dist/africa            |   74 ++++---
 external/public-domain/tz/dist/antarctica        |   27 ++-
 external/public-domain/tz/dist/asia              |   66 +++---
 external/public-domain/tz/dist/australasia       |   37 +-
 external/public-domain/tz/dist/backzone          |   33 +++-
 external/public-domain/tz/dist/europe            |  230 ++++++++++++++++-------
 external/public-domain/tz/dist/leap-seconds.list |    8 +-
 external/public-domain/tz/dist/leapseconds       |    8 +-
 external/public-domain/tz/dist/leapseconds.awk   |    6 +-
 external/public-domain/tz/dist/northamerica      |   90 +++++---
 external/public-domain/tz/dist/southamerica      |   18 +-
 external/public-domain/tz/dist/theory.html       |   51 +++-
 external/public-domain/tz/dist/version           |    2 +-
 external/public-domain/tz/dist/zishrink.awk      |    4 -
 external/public-domain/tz/dist/zoneinfo2tdf.pl   |    2 +-
 18 files changed, 521 insertions(+), 315 deletions(-)

diffs (truncated from 2307 to 300 lines):

diff -r facdf0db6e94 -r 908757468ad1 external/public-domain/tz/dist/Makefile
--- a/external/public-domain/tz/dist/Makefile   Wed Oct 07 19:53:32 2020 +0000
+++ b/external/public-domain/tz/dist/Makefile   Thu Oct 08 04:27:22 2020 +0000
@@ -22,13 +22,13 @@
 #      DATAFORM=       main
 # To wait even longer for new features, use:
 #      DATAFORM=       rearguard
+# Rearguard users might also want "ZFLAGS = -b fat"; see below.
 DATAFORM=              main
 
 # Change the line below for your timezone (after finding the one you want in
 # one of the $(TDATA) source files, or adding it to a source file).
 # Alternatively, if you discover you've got the wrong timezone, you can just
-#      zic -l rightzone
-# to correct things.
+# 'zic -l -' to remove it, or 'zic -l rightzone' to change it.
 # Use the command
 #      make zonenames
 # to get a list of the values you can use for LOCALTIME.
@@ -37,33 +37,30 @@
 
 # The POSIXRULES macro controls interpretation of nonstandard and obsolete
 # POSIX-like TZ settings like TZ='EET-2EEST' that lack DST transition rules.
-# In the reference implementation, if you want something other than Eastern
-# United States time as a template for handling these settings, you can
-# change the line below (after finding the timezone you want in the
-# one of the $(TDATA) source files, or adding it to a source file).
-# A setting like TZ='EET-2EEST' is supposed to use the rules in the
-# template file to determine "spring forward" and "fall back" days and
-# times; the environment variable itself specifies UT offsets of standard and
-# daylight saving time.
-# Alternatively, if you discover you've got the wrong timezone, you can just
-#      zic -p rightzone
-# to correct things.
-# Use the command
-#      make zonenames
-# to get a list of the values you can use for POSIXRULES.
+# Such a setting uses the rules in a template file to determine
+# "spring forward" and "fall back" days and times; the environment
+# variable itself specifies UT offsets of standard and daylight saving time.
 #
-# If POSIXRULES is empty, no template is installed; this is the intended
-# future default for POSIXRULES.
+# If POSIXRULES is '-', no template is installed; this is the default.
 #
-# Nonempty POSIXRULES is obsolete and should not be relied on, because:
+# Any other value for POSIXRULES is obsolete and should not be relied on, as:
 # * It does not work correctly in popular implementations such as GNU/Linux.
 # * It does not work in the tzdb implementation for timestamps after 2037.
 # * It is incompatible with 'zic -b slim' if POSIXRULES specifies transitions
 #   at standard time or UT rather than at local time.
 # In short, software should avoid ruleless settings like TZ='EET-2EEST'
 # and so should not depend on the value of POSIXRULES.
+#
+# If, despite the above, you want a template for handling these settings,
+# you can change the line below (after finding the timezone you want in the
+# one of the $(TDATA) source files, or adding it to a source file).
+# Alternatively, if you discover you've got the wrong timezone, you can just
+# 'zic -p -' to remove it, or 'zic -p rightzone' to change it.
+# Use the command
+#      make zonenames
+# to get a list of the values you can use for POSIXRULES.
 
-POSIXRULES=    America/New_York
+POSIXRULES=    -
 
 # Also see TZDEFRULESTRING below, which takes effect only
 # if the time zone files cannot be accessed.
@@ -172,9 +169,6 @@
 
 # For backward-compatibility links for old zone names, use
 #      BACKWARD=       backward
-# If you also want the link US/Pacific-New, even though it is confusing
-# and is planned to be removed from the database eventually, use
-#      BACKWARD=       backward pacificnew
 # To omit these links, use
 #      BACKWARD=
 
@@ -192,10 +186,6 @@
 
 UTF8_LOCALE=   en_US.utf8
 
-# Since "." may not be in PATH...
-
-YEARISTYPE=    ./yearistype
-
 # Non-default libraries needed to link.
 LDLIBS=
 
@@ -253,13 +243,12 @@
 #      other than simply getting garbage data
 #  -DUSE_LTZ=0 to build zdump with the system time zone library
 #      Also set TZDOBJS=zdump.o and CHECK_TIME_T_ALTERNATIVES= below.
-#  -DZIC_BLOAT_DEFAULT=\"slim\" to default zic's -b option to "slim", and
-#      similarly for "fat".  Fat TZif files work around incompatibilities
+#  -DZIC_BLOAT_DEFAULT=\"fat\" to default zic's -b option to "fat", and
+#      similarly for "slim".  Fat TZif files work around incompatibilities
 #      and bugs in some TZif readers, notably readers that mishandle 64-bit
 #      data in TZif files.  Slim TZif files are more efficient and do not
 #      work around these incompatibilities and bugs.  If not given, the
-#      current default is "fat" but this is intended to change as readers
-#      requiring fat files often mishandle timestamps after 2037 anyway.
+#      default is "slim".
 #  -DZIC_MAX_ABBR_LEN_WO_WARN=3
 #      (or some other number) to set the maximum time zone abbreviation length
 #      that zic will accept without a warning (the default is 6)
@@ -333,9 +322,8 @@
 # add
 #      -DSTD_INSPIRED
 # to the end of the "CFLAGS=" line.  This arranges for the functions
-# "tzsetwall", "offtime", "timelocal", "timegm", "timeoff",
+# "offtime", "timelocal", "timegm", "timeoff",
 # "posix2time", and "time2posix" to be added to the time conversion library.
-# "tzsetwall" is deprecated and is intended to be removed soon; see NEWS.
 # "offtime" is like "gmtime" except that it accepts a second (long) argument
 # that gives an offset to add to the time_t when converting it.
 # "timelocal" is equivalent to "mktime".
@@ -395,7 +383,7 @@
 
 # To shrink the size of installed TZif files,
 # append "-r @N" to omit data before N-seconds-after-the-Epoch.
-# You can also append "-b slim" if that is not already the default;
+# To grow the files and work around older application bugs, append "-b fat";
 # see ZIC_BLOAT_DEFAULT above.
 # See the zic man page for more about -b and -r.
 ZFLAGS=
@@ -424,26 +412,6 @@
 # Name of GNU Privacy Guard <https://gnupg.org/>, used to sign distributions.
 GPG=           gpg
 
-# The path where SGML DTDs are kept and the catalog file(s) to use when
-# validating HTML 4.01.  The default should work on both Debian and Red Hat.
-SGML_TOPDIR= /usr
-SGML_DTDDIR= $(SGML_TOPDIR)/share/xml/w3c-sgml-lib/schema/dtd
-SGML_SEARCH_PATH= $(SGML_DTDDIR)/REC-html401-19991224
-SGML_CATALOG_FILES= \
-  $(SGML_TOPDIR)/share/doc/w3-recs/html/www.w3.org/TR/1999/REC-html401-19991224/HTML4.cat:$(SGML_TOPDIR)/share/sgml/html/4.01/HTML4.cat
-
-# The name, arguments and environment of a program to validate HTML 4.01.
-# See <http://openjade.sourceforge.net/doc/> for a validator, and
-# <https://validator.w3.org/source/> for a validation library.
-# Set VALIDATE=':' if you do not have such a program.
-VALIDATE = nsgmls
-VALIDATE_FLAGS = -s -B -wall -wno-unused-param
-VALIDATE_ENV = \
-  SGML_CATALOG_FILES='$(SGML_CATALOG_FILES)' \
-  SGML_SEARCH_PATH='$(SGML_SEARCH_PATH)' \
-  SP_CHARSET_FIXED=YES \
-  SP_ENCODING=UTF-8
-
 # This expensive test requires USE_LTZ.
 # To suppress it, define this macro to be empty.
 CHECK_TIME_T_ALTERNATIVES = check_time_t_alternatives
@@ -538,8 +506,8 @@
 PRIMARY_YDATA= africa antarctica asia australasia \
                europe northamerica southamerica
 YDATA=         $(PRIMARY_YDATA) etcetera
-NDATA=         systemv factory
-TDATA_TO_CHECK=        $(YDATA) $(NDATA) backward pacificnew
+NDATA=         factory
+TDATA_TO_CHECK=        $(YDATA) $(NDATA) backward
 TDATA=         $(YDATA) $(NDATA) $(BACKWARD)
 ZONETABLES=    zone1970.tab zone.tab
 TABDATA=       iso3166.tab $(TZDATA_TEXT) $(ZONETABLES)
@@ -547,7 +515,7 @@
 TZDATA_ZI_DEPS=        ziguard.awk zishrink.awk version $(TDATA) $(PACKRATDATA)
 DSTDATA_ZI_DEPS= ziguard.awk $(TDATA) $(PACKRATDATA)
 DATA=          $(TDATA_TO_CHECK) backzone iso3166.tab leap-seconds.list \
-                       leapseconds yearistype.sh $(ZONETABLES)
+                       leapseconds $(ZONETABLES)
 AWK_SCRIPTS=   checklinks.awk checktab.awk leapseconds.awk \
                        ziguard.awk zishrink.awk
 MISC=          $(AWK_SCRIPTS) zoneinfo2tdf.pl
@@ -573,12 +541,10 @@
                etcetera europe factory iso3166.tab \
                leap-seconds.list leapseconds.awk localtime.c \
                newctime.3 newstrftime.3 newtzset.3 northamerica \
-               pacificnew private.h \
-               southamerica strftime.c systemv theory.html \
+               private.h southamerica strftime.c theory.html \
                time2posix.3 tz-art.html tz-how-to.html tz-link.html \
                tzfile.5 tzfile.h tzselect.8 tzselect.ksh \
-               workman.sh yearistype.sh \
-               zdump.8 zdump.c zic.8 zic.c \
+               workman.sh zdump.8 zdump.c zic.8 zic.c \
                ziguard.awk zishrink.awk \
                zone.tab zone1970.tab zoneinfo2tdf.pl
 
@@ -587,7 +553,7 @@
 
 SHELL=         /bin/sh
 
-all:           tzselect yearistype zic zdump libtz.a $(TABDATA) \
+all:           tzselect zic zdump libtz.a $(TABDATA) \
                  vanguard.zi main.zi rearguard.zi
 
 ALL:           all date $(ENCHILADA)
@@ -657,10 +623,6 @@
 zic:           $(TZCOBJS)
                $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(TZCOBJS) $(LDLIBS)
 
-yearistype:    yearistype.sh
-               cp yearistype.sh yearistype
-               chmod +x yearistype
-
 leapseconds:   $(LEAP_DEPS)
                $(AWK) -v EXPIRES_LINE=$(EXPIRES_LINE) \
                  -f leapseconds.awk leap-seconds.list >$@.out
@@ -675,10 +637,9 @@
  PACKRATDATA='$(PACKRATDATA)' \
  TZDEFAULT='$(TZDEFAULT)' \
  TZDIR='$(TZDIR)' \
- YEARISTYPE='$(YEARISTYPE)' \
  ZIC='$(ZIC)'
 
-INSTALL_DATA_DEPS = zic leapseconds yearistype tzdata.zi
+INSTALL_DATA_DEPS = zic leapseconds tzdata.zi
 
 # 'make install_data' installs one set of TZif files.
 install_data: $(INSTALL_DATA_DEPS)
@@ -793,7 +754,7 @@
                ! grep -Env $(SAFE_LINE)'|^UNUSUAL_OK_'$(OK_CHAR)'*$$' \
                        Makefile && \
                ! grep -Env $(SAFE_SHARP_LINE) $(TDATA_TO_CHECK) backzone \
-                       leapseconds yearistype.sh zone.tab && \
+                       leapseconds zone.tab && \
                ! grep -Env $(OK_LINE) $(ENCHILADA); \
        }
        touch $@
@@ -845,15 +806,13 @@
 check_web:     $(CHECK_WEB_PAGES)
 check_theory.html: theory.html
 check_tz-art.html: tz-art.html
+check_tz-how-to.html: tz-how-to.html
 check_tz-link.html: tz-link.html
-check_theory.html check_tz-art.html check_tz-link.html:
+check_theory.html check_tz-art.html check_tz-how-to.html check_tz-link.html:
                $(CURL) -sS --url https://validator.w3.org/nu/ -F out=gnu \
                    -F file=@$$(expr $@ : 'check_\(.*\)') -o $@.out && \
                  test ! -s $@.out || { cat $@.out; exit 1; }
                mv $@.out $@
-check_tz-how-to.html: tz-how-to.html
-               $(VALIDATE_ENV) $(VALIDATE) $(VALIDATE_FLAGS) tz-how-to.html
-               touch $@
 
 # Check that zishrink.awk does not alter the data, and that ziguard.awk
 # preserves main-format data.
@@ -883,7 +842,7 @@
                rm -fr check_*.dir
                rm -f *.o *.out $(TIME_T_ALTERNATIVES) \
                  check_* core typecheck_* \
-                 date tzselect version.h zdump zic yearistype libtz.a
+                 date tzselect version.h zdump zic libtz.a
 clean:         clean_misc
                rm -fr *.dir tzdb-*/
                rm -f *.zi $(TZS_NEW)
diff -r facdf0db6e94 -r 908757468ad1 external/public-domain/tz/dist/NEWS
--- a/external/public-domain/tz/dist/NEWS       Wed Oct 07 19:53:32 2020 +0000
+++ b/external/public-domain/tz/dist/NEWS       Thu Oct 08 04:27:22 2020 +0000
@@ -1,5 +1,76 @@
 News for the tz database
 
+Release 2020b - 2020-10-06 18:35:04 -0700
+
+  Briefly:
+    Revised predictions for Morocco's changes starting in 2023.
+    Canada's Yukon changes to -07 on 2020-11-01, not 2020-03-08.
+    Macquarie Island has stayed in sync with Tasmania since 2011.
+    Casey, Antarctica is at +08 in winter and +11 in summer.
+    zic no longer supports -y, nor the TYPE field of Rules.
+
+  Changes to future timestamps
+
+    Morocco's spring-forward after Ramadan is now predicted to occur
+    no sooner than two days after Ramadan, instead of one day.
+    (Thanks to Milamber.)  The first altered prediction is for 2023,
+    now predicted to spring-forward on April 30 instead of April 23.
+
+  Changes to past and future timestamps
+
+   Casey Station, Antarctica has been using +08 in winter and +11 in
+   summer since 2018.  The most recent transition from +08 to +11 was
+   2020-10-04 00:01.  Also, Macquarie Island has been staying in
+   sync with Tasmania since 2011.  (Thanks to Steffen Thorsen.)
+
+  Changes to past and future time zone abbreviations and DST flags
+
+    Canada's Yukon, represented by America/Whitehorse and
+    America/Dawson, changes its time zone rules from -08/-07 to
+    permanent -07 on 2020-11-01, not on 2020-03-08 as 2020a had it.
+    This change affects only the time zone abbreviation (MST vs PDT)
+    and daylight saving flag for the period between the two dates.
+    (Thanks to Andrew G. Smith.)
+
+  Changes to past timestamps
+
+    Correct several transitions for Hungary for 1918/1983.
+    For example, the 1983-09-25 fall-back was at 01:00, not 03:00.
+    (Thanks to Géza Nyáry.)  Also, the 1890 transition to standard
+    time was on 11-01, not 10-01 (thanks to Michael Deckers).



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