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Unicode 16.0.0 Support: Character encoding, character type info, and
transliteration tables are all updated to Unicode 16.0.0, using
the generator scripts contributed by Mike FABIAN (Red Hat).
Changes in CHARMAP and WIDTH:
Total added characters in newly generated CHARMAP: 5185
Total removed characters in newly generated WIDTH: 1
Total added characters in newly generated WIDTH: 170
The removed character from WIDTH is U+1171E AHOM CONSONANT SIGN MEDIAL RA.
It changed like this:
UnicodeData.txt 15.1.0: 1171E;AHOM CONSONANT SIGN MEDIAL RA;Mn;0;NSM;;;;;N;;;;;
UnicodeData.txt 16.0.0: 1171E;AHOM CONSONANT SIGN MEDIAL RA;Mc;0;L;;;;;N;;;;;
EastAsianWidth.txt 15.1.0: 1171D..1171F ; N # Mn [3] AHOM CONSONANT SIGN MEDIAL LA..AHOM CONSONANT SIGN MEDIAL LIGATING RA
EastAsianWidth.txt 16.0.0: 1171E ; N # Mc AHOM CONSONANT SIGN MEDIAL RA
I.e it changed from Mn (Mark Nonspacing) to Mc (Mark Spacing
combining). So it should now have width 1 instead of 0, therefore it
is OK that it was removed from WIDTH, characters not in WIDTH get
width 1 by default.
Nothing suspicious when browsing the list of the 170 added characters.
Changes in ctype:
alpha: Added 4452 characters in new ctype which were not in old ctype
combining: Added 51 characters in new ctype which were not in old ctype
combining_level3: Added 43 characters in new ctype which were not in old ctype
graph: Added 5185 characters in new ctype which were not in old ctype
lower: Added 25 characters in new ctype which were not in old ctype
print: Added 5185 characters in new ctype which were not in old ctype
punct: Missing 33 characters of old ctype in new ctype
punct: Added 766 characters in new ctype which were not in old ctype
tolower: Added 27 characters in new ctype which were not in old ctype
totitle: Added 27 characters in new ctype which were not in old ctype
toupper: Added 27 characters in new ctype which were not in old ctype
upper: Added 27 characters in new ctype which were not in old ctype
Nothing suspicous in the additions.
About the 33 characters removed from `punct`:
U+0363 - U+036F are identical in UnicodeData.txt. Difference in DerivedCoreProperties.txt:
DerivedCoreProperties.txt 15.1.0: not there.
DerivedCoreProperties.txt 16.0.0: 0363..036F ; Alphabetic # Mn [13] COMBINING LATIN SMALL LETTER A..COMBINING LATIN SMALL LETTER X
So that’s the reason why they are added to `alpha` and removed from `punct`.
Same for U+1DD3 - U+1DE6, they are identical in UnicodeData.txt but there is a difference in DerivedCoreProperties.txt:
DerivedCoreProperties.txt 15.1.0: 1DE7..1DF4 ; Alphabetic # Mn [14] COMBINING LATIN SMALL LETTER ALPHA..COMBINING LATIN SMALL LETTER U WITH DIAERESIS
DerivedCoreProperties.txt 16.0.0: 1DD3..1DF4 ; Alphabetic # Mn [34] COMBINING LATIN SMALL LETTER FLATTENED OPEN A ABOVE..COMBINING LATIN SMALL LETTER U WITH DIAERESIS
So they became `Alphabetic` and were thus added to `alpha` and removed from `punct`.
Resolves: BZ #32168
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Sync tzselect, zdump, zic to TZDB 2024b. This patch incorporates the
following TZDB source code changes:
6903dde3 Release 2024b
812aff32 Improve historical transitions in Mexico 1921-1997
52662566 Adjust to mailing list software change
7748036b Mention Internet RFC 9557
339e81d1 Mention Levine’s proposal to replace leap seconds
b4e6ad2d No leap second on 2024-12-31
7eb5bf88 Asia/Choibalsan is now an alias for Asia/Ulaanbaatar
43450cbf Improve historical data for Portugal and former possessions.
13d7348b Typo and validation fixes.
3c39cde8 Fix typo for “removed” in a comment
03fd9e45 More documentation updates for POSIX.1-2024
eb3bcceb POSIX.1-2014 is now published
913b0410 tzselect: support POSIX.1-2024 offset range
b5318b55 Document POSIX.1-2024 better
837609b7 Fix typo when making .txt man pages
d56ae6ee SUPPORT_C89 now defaults to 1, not 0
b1fe113d Port ! to Solaris make
8f1fd321 Avoid crash in Solaris 10 /usr/xpg4/bin/make
e0fcfdd6 Use ‘export VAR=VAL’ syntax
eba43166 Avoid an awk invocation via $'...'
36479a80 Avoid some subshells in tzselect
7f6cf054 * tzselect.ksh: Assume POSIX.2 awk.
a1cf1daf * tzselect.ksh: Assume POSIX.2 $PWD.
a9b8e536 Assume POSIX.2 command substitution
eaa4ef16 Avoid subshells when possible
9dac9eb7 Prefer $PWD to $(pwd) in Makefile
fada6a4c Prefer $(CMD) to `CMD` in Makefile
3e871b9a Assume POSIX.2 and eschew ‘expr’
c5d67805 difftime isn’t pure either
5857c056 * CONTRIBUTING: Document build assumptions.
6822cc82 ‘make check’ no longer depends on curl+Internet
cc6eb255 Document GCC bug 114833 and workaround
bcbc86bf Scale back on function attribute use
c0789e46 C23 [[reproducible]] and [[unsequenced]] fixups
bbd88154 More updates to GCC_DEBUG_FLAGS for GCC 14
1a35b7c8 Spelling fixes
f71085f2 POSIX.1-2024 removes asctime_r, ctime_r
70856f8e Adjust to refactored location of ctime, ctime_r
aacd151d Update GCC_DEBUG_FLAGS for GCC 14
967dcf3b Sub-second history for Maputo and Zurich
782d0826 Make EET, MET and WET links
a0b09c02 Mark CET, CST6CDT etc. as obsolescent
db7fb40d Document SMPTE timecodes and rolling leaps
97232e18 Don’t be so sure about leap seconds going away
5b6a74fb Update some URLs
a75a6251 * zic.8: Tweak for consistency.
1e75b31f Document what %s means before any rule applies
00c96cbb Conform to RFC 8536 section 3.2 for default type
3e944959 Document problems with stripped-down TZif readers
20fc91cf Shanks is likely wrong about Maputo switch to CAT
d99589b6 * zic.8: Add missing tab character.
94e6b3b0 Switch to %z in main dataform
2cd57b93 Treat W-Eur like Port when reguarding
ad6f6d94 Check that main.zi agrees with sources
a43b030f .gitignore: Add .pdf, .ps, .s. Remove obsolete ‘yearistype’.
253ca020 * theory.html: ‘CLT’ → ‘LTC’ (per Michael H Deckers)
a3dee8c8 * NEWS: ‘how’ → ‘now’ (thanks to Paul Goyette).
ea6341c5 * theory.html: Mention NASA and CLT (per Arthur David Olson).
0dcebe37 America/Scoresbysund matches America/Nuuk from now on
b1e07fb0 Update Vzic link (thanks to Allen Winter)
a4b05030 Fix wday/mday typo in previous patch
732a4803 Document how to detect mktime failure reliably
a64067e9 ziguard.awk: generalize for proposed Portugal patch
59c861fd Line up zdump examples
66c106c9 tzfile.5: srcfix
e5553001 Fix .RS/.RE problem in tzfile.5
d647eb01 Add Doctorow book
59d4a1ba Asia/Almaty matches Asia/Tashkent from now on
d4d3c3ba * asia: Update Philippine URLs (thanks to Guy Harris).
9fc11a27 Port unlikely overflow check to C23
b52a2969 Fix 2023d NEWS typo
e48c5b53 Cite "The NTP Leap Second File"
b1dc2122 Update Israel tz-link
6cf4e912 Extrapolate less from the 2022 CGPM resolution.
It fixes glibc build with gcc master [1].
Checked on x86_64-linux-gnu and on i686-linux-gnu.
[1] https://sourceware.org/pipermail/libc-alpha/2024-September/159571.html
Reviewed-by: Paul Eggert <eggert@cs.ucla.edu>
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[BZ #31370]
= `Default_Ignorable_Code_Point`s should have width 0 =
Unicode specifies (https://www.unicode.org/faq/unsup_char.html#3) that characters
with the `Default_Ignorable_Code_Point` property
> should be rendered as completely invisible (and non advancing, i.e. “zero width”),
if not explicitly supported in rendering.
Hence, `wcwidth()` should give them all a width of 0, with two exceptions:
- the soft hyphen (U+00AD SOFT HYPHEN) is assigned width 1 by longstanding precedent
- U+115F HANGUL CHOSEONG FILLER needs a carveout
due to the unique behavior of the conjoining Korean jamo characters.
One composed Hangul "syllable block" like 퓛
is made up of two to three individual component characters, or "jamo".
These are all assigned an `East_Asian_Width` of `Wide`
by Unicode, which would normally mean they would all be assigned
width 2 by glibc; a combination of (leading choseong jamo) +
(medial jungseong jamo) + (trailing jongseong jamo) would then have width 2 + 2 + 2 = 6.
However, glibc (and other wcwidth implementations) special-cases jungseong and jongseong,
assigning them all width 0,
to ensure that the complete block has width 2 + 0 + 0 = 2 as it should.
U+115F is meant for use in syllable blocks
that are intentionally missing a leading jamo;
it must be assigned a width of 2 even though it has no visible display
to ensure that the complete block has width 2.
However, `wcwidth()` currently (before this patch)
incorrectly assigns non-zero width to
U+3164 HANGUL FILLER and U+FFA0 HALFWIDTH HANGUL FILLER;
this commit fixes that.
Unicode spec references:
- Hangul: §3.12 https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf#G24646 and
§18.6 https://www.unicode.org/versions/Unicode15.0.0/ch18.pdf#G31028
- `Default_Ignorable_Code_Point`: §5.21 https://www.unicode.org/versions/Unicode15.0.0/ch05.pdf#G40095.
= Non-`Default_Ignorable_Code_Point` format controls should be visible =
The Unicode Standard, §5.21 - Characters Ignored for Display
(https://www.unicode.org/versions/Unicode15.0.0/ch05.pdf#G40095)
says the following:
> A small number of format characters (General_Category = Cf )
> are also not given the Default_Ignorable_Code_Point property.
> This may surprise implementers, who often assume
> that all format characters are generally ignored in fallback display.
> The exact list of these exceptional format characters
> can be found in the Unicode Character Database.
> There are, however, three important sets of such format characters to note:
>
> - prepended concatenation marks
> - interlinear annotation characters
> - Egyptian hieroglyph format controls
>
> The prepended concatenation marks always have a visible display.
> See “Prepended Concatenation Marks” in [*Section 23.2, Layout Controls*](https://www.unicode.org/versions/Unicode15.1.0/ch23.pdf#M9.35858.HeadingBreak.132.Layout.Controls)
> for more discussion of the use and display of these signs.
>
> The other two notable sets of format characters that exceptionally are not ignored
> in fallback display consist of the interlinear annotation characters,
> U+FFF9 INTERLINEAR ANNOTATION ANCHOR through
> U+FFFB INTERLINEAR ANNOTATION TERMINATOR,
> and the Egyptian hieroglyph format controls,
> U+13430 EGYPTIAN HIEROGLYPH VERTICAL JOINER through
> U+1343F EGYPTIAN HIEROGLYPH END WALLED ENCLOSURE.
> These characters should have a visible glyph display for fallback rendering,
> because if they are not displayed,
> it is too easy to misread the resulting displayed text.
> See “Annotation Characters” in [*Section 23.8, Specials*](https://www.unicode.org/versions/Unicode15.1.0/ch23.pdf#M9.21335.Heading.133.Specials),
> as well as [*Section 11.4, Egyptian Hieroglyphs*](https://www.unicode.org/versions/Unicode15.1.0/ch11.pdf#M9.73291.Heading.1418.Egyptian.Hieroglyphs)
> for more discussion of the use and display of these characters.
glibc currently correctly assigns non-zero width to the prepended concatenation marks,
but it incorrectly gives zero width to the interlinear annotation characters
(which a generic terminal cannot interpret)
and the Egyptian hieroglyph format controls
(which are not widely supported in rendering implementations at present).
This commit fixes both these issues as well.
= Derive Hangul syllable type from Unicode data =
Previosuly, the jungseong and jongseong jamo ranges
were hard-coded into the script. With this commit, they are instead parsed
from the HangulSyllableType.txt data file published by Unicode.
This does not affect the end result.
Signed-off-by: Jules Bertholet <julesbertholet@quoi.xyz>
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The gnulib version contains an important change (9ce573cde), which
fixes some problems with multithreading, entropy loss, and ASLR leak
nfo. It also fixes an issue where getrandom is not being used
on some new files generation (only for __GT_NOCREATE on first try).
The 044bf893ac removed __path_search, which is now moved to another
gnulib shared files (stdio-common/tmpdir.{c,h}). Tthis patch
also fixes direxists to use __stat64_time64 instead of __xstat64,
and move the include of pathmax.h for !_LIBC (since it is not used
by glibc). The license is also changed from GPL 3.0 to 2.1, with
permission from the authors (Bruno Haible and Paul Eggert).
The sync also removed the clock fallback, since clock_gettime
with CLOCK_REALTIME is expected to always succeed.
It syncs with gnulib commit 323834962817af7b115187e8c9a833437f8d20ec.
Checked on x86_64-linux-gnu.
Co-authored-by: Bruno Haible <bruno@clisp.org>
Co-authored-by: Paul Eggert <eggert@cs.ucla.edu>
Reviewed-by: Bruno Haible <bruno@clisp.org>
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Sync tzselect, zdump, zic to TZDB 2024a.
This patch incorporates the following TZDB source code changes,
listed roughly in descending order of importance.
zic now supports links to links, needed for future tzdata
zic now defaults to '-b slim'
zic now updates output files atomically
zic has new options -R, -l -, -p -
zic -r now uses -00 for unspecified timestamps
zdump now uses [lo,hi) for both -c and -t
Fix several integer overflow bugs
zic now checks input bytes more carefully
Simplify and fix new TZDIR setup
Default time_t to 64 bits on glibc 2.34+ 32-bit
zic now generates TZ strings that conform to POSIX when all-year DST
zic -v now shows extreme-int tm_year transitions
Fix zic bug in last time type of Asia/Gaza etc.
Fix zic bug with Palestine after 2075
Fix bug uncovered by recent change to Iran history
Fix 'zic -b fat' bug with Port Moresby 32-bit data
Fix zic bug with -r @X where X is deduced from TZ
Fix bug with zic -r cutoff before 1st transition
Fix leap second expiry and truncation
Fix zic bug on Linux 2.6.16 and 2.6.17
Fix bug with 'zic -d /a/b/c' if /a is unwriteable
Don't mistruncate TZif files at leap seconds
Fix zdump undefined behavior if !USE_LTZ
zdump -v reports localtime+gmtime failures better
Fix zdump diagnostic for missing timezone
Don't assume nonempty argv
Port better to C23
Do not assume negative >> behavior
I18nize zdump a bit better
Port zdump to right_only installations
New tzselect menu option 'now'
tzselect can now use current time to help choose
Improve tzselect behavior for Turkey etc.
tzselect: do not create temporary files
tzselect: work around mawk bug with {2,}
tzselect: Port to POSIX awk, which prohibits -v newlines
Do not use empty RE in tzselect
Don't set TZ in tzselect
Avoid sed, expr in tzselect
tzselect: Fix problems with spaces in TZDIR
Improve tzselect diagnostics
Remove zic workaround for Qt bug 53071
Remove zic support for "min" in Rule lines
Remove zic support for zic -y, Rule TYPEs, pacificnew
Remove tzselect workaround for Bash 1.14.7 bug
* SHARED-FILES: Update to match current sync.
* config.h.in (HAVE_STRERROR): Remove; no longer needed.
* timezone/Makefile ($(objpfx)zic.o): Depend on tzdir.h.
($(objpfx)tzdir.h): New rule to build a placeholder.
* timezone/private.h, timezone/tzfile.h, timezone/version:
* timezone/zdump.c, timezone/zic.c: Copy verbatim from TZDB 2024a.
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In 2018 the license changed to use Unicode-3.0 license.
The Unicode License is a permissive MIT type of license.
Automation is updated to fetch the correct license file to
keep it in sync with the data files.
The new license is OSI approved and has an SPDX identifer:
https://opensource.org/license/unicode-license-v3
https://spdx.org/licenses/Unicode-3.0.html
The FSF and the GNU Project have been contacted to update
the license list for this license:
https://www.gnu.org/licenses/license-list.html
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All the crypt related functions, cryptographic algorithms, and
make requirements are removed, with only the exception of md5
implementation which is moved to locale folder since it is
required by localedef for integrity protection (libc's
locale-reading code does not check these, but localedef does
generate them).
Besides thec code itself, both internal documentation and the
manual is also adjusted. This allows to remove both --enable-crypt
and --enable-nss-crypt configure options.
Checked with a build for all affected ABIs.
Co-authored-by: Zack Weinberg <zack@owlfolio.org>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Since the shared code now has special status with respect to
copyrights, port them into a more structured format in the source tree
and add a python function that parses and returns a dictionary with
the information.
I need this to exclude these files from the Contributed-by changes and
I reckon it would be useful to know these files for future tooling.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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