Hi Guillem,

Lintian’s test suite reflects this error:

| dpkg-source: warning: --auto-commit is not a valid option for Dpkg::Source::Package::V3::Native
| dpkg-source: error: cannot parse Maintainer field value "Colorful <"colorful"@43-1.org>”
| dpkg-buildpackage: error: dpkg-source -iNEVER_MATCH_ANYTHING -INEVER_MATCH_ANYTHING --auto-commit --before-build . subprocess failed with exit status 255
| make: *** [/tmp/autopkgtest-lxc.18_8mz9y/downtmp/autopkgtest_tmp/build-and-evaluate-test-packages/package-sources/checks/fields/terminal-control/colorful/Makefile:39: colorful_1.0_amd64.changes] Error 255

This is a fallout with #962277.

dpkg should allow domains with non-ascii chars. For now I’ll try to drop this test from lintian test suite.

Hi!

Hmm, TBH I don't think I'm comfortable allowing ANSI escapes as part
of email addresses? This feels unnecessary and a recipe for terminal
exploits and similar.

Otherwise the parser already supports UTF-8 characters in both the
local and domain parts:

  $ perl -Mv5.40 -MDpkg::Email::Address -E '\
      my $e = Dpkg::Email::Address->new("Foo Bar <föo\@bår.org>"); \
      say $e->as_string(); \
    '
  Foo Bar <föo@bår.org>

So, I'm inclined to close this one.

Thanks,
Guillem

This happens to be allowed by RFC 6532 as such.

Lintian expects the .dsc/.changes file to be UTF encoded. If someone uses the address, it leads to .changes with a nationally encoded email
and lintian would fail to parse that /o\

This is getting way more complicated than I did think originally.

On Wed, 28 Jan 2026 05:57:36 +0530 Nilesh Patra <nilesh@patra.systems> wrote:

I'd be inclined to disregard RFC 6532 for ANSI escapes and have dpkg
continue to fail when they are used in those fields.

This would let us remove the `ansi-escape` tag in Lintian.

I'm not sure I understand what a "nationally encoded email" is and how
using a non-ascii email leads to creating a non-compatible .changes?

Hi!

I think a similar sentiment about not allowing everything permitted
usually in an email context (but I don't think for this specific case)
was brought up on the policy report about updating the email spec. As
well as focusing on usability and readability, and ignoring any weird
encoding that might be needed to be able to actually send via say
SMTP (where that should be left for such programs that need to perform
such tasks).

(In dpkg this is caught by a regex matching on not \cK which I don't see
removing, as that would seem like a bad idea.)

I think in general "national encoding" means things like iso-8859-<n>
or similar encodings. In this case I'm not sure I understand because
dpkg-dev tools should preserve the input encoding on output, and if
this was a problem for the email address itself it would also be a
problem for the name. So either the user has specified something that
is not UTF-8 or they perhaps are running in a non-UTF-8 environment?
In any case this would already be a problem so I don't see it as a
regression. Say with:

  Föo Bår <foo@bar.org>

So, unless I'm missing something, I'd still consider closing this one?

Thanks,
Guillem

Basically, if you use email like "Foo Bar <föo@bår.org>” (which guillem mentioned in [1]) the .changes file preserves this.
Lintian sees this and the uf8 parsing fails here, saying this is “nationally” encoded string.

Mh… since lintian had a check for this and dpkg used to allow ansi escaped emails in .changes, I don’t
understand how this is not a regression. I’d agree that this is an edge case, though. If you however
feel like closing this bug report, I don’t have a problem. But we ought to mention somewhere that
Maintainers/Uploaders Email needs to be a standardised address.


[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1126502#14

I think then this might perhaps be a problem in your environment? If I
set a similar address in say pci.ids in both the debian/control and
debian/changelog, when building with dpkg-buildpackage with
LANG=C.UTF-8, I get this output:

  ,---
  $ dpkg-buildpackage --no-sign
  dpkg-buildpackage: info: source package pci.ids
  dpkg-buildpackage: info: source version 0.0~2025.12.16-1
  dpkg-buildpackage: info: source distribution unstable
  dpkg-buildpackage: info: source changed by Güillem Jöver <güillem@debiån.org>
  dpkg-buildpackage: info: host architecture amd64
  […]
  dpkg-deb: building package 'pci.ids' in '../pci.ids_0.0~2025.12.16-1_all.deb'.
   dpkg-genbuildinfo -O../pci.ids_0.0~2025.12.16-1_amd64.buildinfo
   dpkg-genchanges -O../pci.ids_0.0~2025.12.16-1_amd64.changes
  dpkg-genchanges: info: including full source code in upload
   dpkg-source --after-build .
  dpkg-buildpackage: info: full upload (original source is included)
   lintian ../pci.ids_0.0~2025.12.16-1_amd64.changes
  E: pci.ids source: bogus-mail-host Maintainer güillem@debiån.org
  E: pci.ids: bogus-mail-host Maintainer güillem@debiån.org
  E: pci.ids changes: bogus-mail-host Changed-By güillem@debiån.org
  E: pci.ids changes: bogus-mail-host Maintainer güillem@debiån.org
  E: pci.ids: bogus-mail-host-in-debian-changelog güillem@debiån.org (for version 0.0~2025.12.16-1) [usr/share/doc/pci.ids/changelog.Debian.gz:1]
  I: pci.ids source: unused-override override_dh_auto_test-does-not-check-DEB_BUILD_OPTIONS [debian/rules:*] [debian/source/lintian-overrides:4]
  N: 0 hints overridden; 1 unused override
  dpkg-buildpackage: error: lintian ../pci.ids_0.0~2025.12.16-1_amd64.changes subprocess failed with exit status 2
  `---

Where lintian does not accept the UTF-8 domain, but can parse it
correctly as UTF-8. So the checks in lib/Lintian/Check/Files/Encoding.pm
for non-UTF-8 do not trigger, but the checks for is_domain() in
lib/Lintian/Check/Debian/Changelog.pm and
lib/Lintian/Check/Fields/MailAddress.pm do trigger.

I think the is_domain() check is not correct, because that checks for
a domain name as would be part of say a DNS query (after encoding in
PunyCode), but it does not support IDN which is what people would use
in this context.

The check seems to have been prompted by the Debian Policy bug #962277,
which has not seen wording not seconds. The current Debian Policy seems
to disallow this (§5.6.2).

So, while strictly speaking dpkg not doing any validation before and
doing it now, can be considered a regression, I think in the Debian
context this does not really count, because of what Debian Policy says
anyway, and in the dpkg upstream context I think allowing ANSI escapes
sequences (while cute) is a really bad idea.

I think this is covered already by Debian Policy, and in the proposed
bug reports #401452, #852677 and #962277.

But the dpkg documentation should be certainly updated to match at
least its own current expectations. Thanks, I'll do that with this
report.

Regards,
Guillem

Hi!

Bug #1126502 in package dpkg reported by you has been fixed in
the dpkg/dpkg.git Git repository. You can see the changelog below, and
you can check the diff of the fix at:

https://git.dpkg.org/cgit/dpkg/dpkg.git/diff/?id=bc20497c7
---
man: Add new deb-email(7) man page

Document the accepted format for email addresses in package metadata.

Closes: #1126502

We believe that the bug you reported is fixed in the latest version of
dpkg, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1126502@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Guillem Jover <guillem@debian.org> (supplier of updated dpkg package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Mon, 07 Sep 2026 23:55:19 +0200
Source: dpkg
Architecture: source
Version: 1.23.8
Distribution: unstable
Urgency: medium
Maintainer: Dpkg Developers <debian-dpkg@lists.debian.org>
Changed-By: Guillem Jover <guillem@debian.org>
Closes: 931094 1054552 1088758 1099097 1126502 1127394 1130119 1130536 1130980 1131211 1131556 1132051 1132541 1132542 1133272 1137545 1139332 1139334 1140613 1140788 1142100 1144781 1145181 1147121
Changes:
 dpkg (1.23.8) unstable; urgency=medium
 .
   [ Guillem Jover ]
   * dpkg-maintscript-helper: Move version comparison after its argument check.
   * dpkg: Translate --assert feature description on failure message.
   * dpkg-gencontrol: Remove and warn about Multi-Arch field on udeb packages.
     See #1136160.
   * dpkg-buildpackage: Check that the OpenPGP key ID has a known length.
   * dpkg-buildpackage: Deprecate --sign-key as an alias for --sign-keyid.
   * dpkg-deb: Do not fail on non-seekable archives. Closes: #1132051
   * dpkg: Do not filter not-installed packages from --get-selections.
   * dpkg-buildpackage: Fix syserr() function name in call site.
   * dpkg-buildpackage: Remove temporary *.dsc.asc file before and after
     signing. Closes: #1140788
   * start-stop-daemon: Add new --pidof command to print the PIDs found.
     See #810018.
   * start-stop-daemon: Force line buffering for stdout in --start.
     Closes: #1099097
   * dpkg-buildpackage: Parametrize default and supported source compressors.
     Prompted by John Scott <jscott@posteo.net>.
   * dpkg-source: Mark --help dynamic section strings for translation.
   * dpkg-name: Fix --subdir with a non-existent directory argument.
   * dpkg-query: Determine the minimum --list column width from the titles.
   * dpkg-query: Make --list title separator fill up to the terminal width.
   * dpkg-query: Improve --list column padding.
   * dpkg-name: Add support for non-free-firmware package section.
   * Fix memory leaks on file_slurp() failures for ENOENT.
   * dpkg: Fix memory leaks for varbufs during conffile upgrade handling.
   * dpkg: Deprecate --yet-to-unpack.
   * dpkg: Simplify --yet-to-unpack after deprecation.
   * dpkg-scanpackages: Parametrize command names for system errors messages.
   * dpkg-buildpackage: Remove obsolete no-op -s(gpg|pgp) option.
   * Output messages:
     - Remove anachronistic two space sentence separation in output messages.
     - Avoid "please" and "thanks" in output messages.
     - Avoid "you" or "your" on output messages unless prompting for something.
     - dpkg: Switch --assert output message into a notice() and hint().
     - dpkg: Say "package distributor" instead of "package maintainer" for
       conffiles.
     - dpkg: Clarify that the modified conffile has been done locally.
     - dselect: Decapitalize warning and error messages.
     - dselect: Remove trailing newline from error message.
     - Standardize error/warning messages on "cannot ...".
     - Improve "unexpected end of file" error messages.
     - Avoid "the" when unnecessary in error output messages.
     - start-stop-daemon: Reword pselect() error message.
     - Use "reap" instead of "wait" in subprocess error messages.
     - Improve subprocess error messages.
     - Use "refresh window" instead of "doupdate" in output message.
     - Use "set/unset buffering for" for setvbuf error messages.
     - Use "execute" instead of "exec" in output messages.
     - Use "invalid syntax ..." instead of "syntax error" in error messages.
     - Use "symbolic link" instead of "symlink"/"link" in output messages.
     - Use "create directory" instead of "mkdir" in output messages.
     - Use "change directory" instead of "chdir" in output messages.
     - Use "change root directory" instead of "chroot" in output messages.
     - Use "set ownership" instead of "chown" in output messages.
     - Use "set environment" instead of "setenv" in output messages.
     - Use "open directory" instead of "opendir"/"read" in output messages.
     - Use "scan directory" for scandir() error messages.
     - Use "get current time" instead of the function name in output messages.
     - Use "create child process" instead of "fork" in output messages.
     - Use "sync" instead of "fsync" in output messages.
     - Use "initialize user groups" instead of "initgroups()" in output message.
     - Use "get input character" for prompt errors in output messages.
     - Use "libraries" instead of "libs" in output messages.
     - Use "parse file" instead of "eval" in output messages.
     - Improve file descriptor related output messages.
     - Use "press" instead of "hit"/"use" for keyboard keys in output messages.
     - dpkg-gencontrol: Clarify package type in warning message.
     - Use "substvars file" instead of "varlist file" in error message.
     - Say "<standard input|output|error>" instead of "stdin|stdout|stderr".
     - dpkg-source: Separate supported compressors in --help with a comma and
       space.
     - dpkg-deb: Print directory pathname instead of nothing or "directory".
     - Avoid using "my" in output messages.
     - Use present form for "contains" in error messages.
     - Clarify status-fd error message.
     - Clarify very confusing "un-catch signal" error message.
     - Clarify error message about removing directory with 'rm -rf'.
     - Clarify error message about checking a file within a writable directory.
     - Clarify error message about not being able to remove a directory.
     - Do not print filename as error condition in error message.
     - dpkg-genchanges: Add --build aliases for short options to --help output.
     - Remove spaces before some repetition markers ("...") in --help output.
     - dpkg: Refactor archive-spec and package-spec for --help commands.
     - start-stop-daemon: Reword match options to say "match" instead of
       "check".
     - start-stop-daemon: Use "change root" instead of "chroot" in --help
       output.
     - dpkg-shlibdeps: Make -e description in --help output stand on its own.
     - dpkg-gencontrol: Remove deprecated -is/-ip/-isp/-ips from --help output.
     - Capitalize all option descriptions in --help output. Closes: #1088758
     - dpkg: Split --no-act aliases into their own lines in --help output.
       Closes: #1137545
     - Standardize command line option help messages.
     - Surround replaceable arguments with angle brackets in --help output.
     - Split description for --no-<opt> from --<opt> in --help output.
     - Use print_option() to print each individual option in --help output.
     - dpkg-scansources: Remove reference to man page from --help output.
     - Remove spurious blank lines from program's --help output.
     - Do not mark «|» in bold in the option specification on --help output.
     - Add missing full stop to all option descriptions in --help output.
     - Improve clarity for argument specifiers in --help output.
     - Do not mark «()» in bold in option specification on --help output.
     - dpkg-shlibdeps: Merge <executable> specifications in --help usage output.
     - Use «Alias for <option>.» instead of «Ditto.» in --help output.
     - Use "Enter" or "<Enter>" to refer to the keyboard key name.
     - Use "<Space>" to refer to the keyboard key name.
     - dselect: Remove superfluous "remember: " in help screen.
     - dselect: Replace a stray printf() into debug() when initializing color
       pairs.
     - dselect: Say "color initialization" instead of "color allocation".
     - dselect: Use Ctrl+key instead of ^key for keyboard shortcuts.
     - Improve memory allocation error messages (round two).
     - dpkg-source: Change "represent change" error to plural.
     - dpkg-buildpackage: Fix --help output default value for --sign-command.
     - dpkg-buildpackage: Use "<rules>" instead of "debian/rules" in --help
       output.
     - dpkg-buildpackage: Use long option names in --help output references.
     - Improve options sorting in --help output.
     - Use "<package-build-dir>/DEBIAN/" instead o ".../DEBIAN/" in --help
       output.
     - Use "<override-file>.src" instead of describing the value in --help
       output.
     - Add support for defaults and environment variable printing in --help
       output.
     - Remove mentions of options with no default value from --help output.
     - Move default value from option descriptions to its own --help output
       lines.
     - Print missing default values and environment variables in --help output.
     - Improve and unify option descriptions in --help output.
     - dpkg-query: Clarify Status header line in --list output message.
       Prompted by Adeodato Simó <dato@net.com.org.es>.
   * Portability:
     - dpkg: Use utimensat() if available and in preference of lutimes/utimes.
   * Perl modules:
     - Dpkg::Version: Add prototypes for sort functions.
       Analysis by Oron Peled <Oron.Peled@harmonicinc.com>. Closes: #1131556
     - Dpkg::Deps: Add a prototype to deps_compare().
     - Dpkg::Source::Patch: Remove check for patching via a symlink.
       Reported by Jonathan Dowland <jmtd@debian.org>.
       See https://lists.debian.org/debian-devel/2026/03/msg00250.html.
     - Dpkg::Source::Patch: Improve unrepresentable change error to hint git
       usage.
     - Dpkg::Compression: Move gzip --rsyncable handling to the get cmdline
       function.
     - Dpkg::Vendor::PureOS: Use .pgp keyrings instead of .gpg ones.
       See
https://source.puri.sm/pureos/core/pureos-archive-keyring/-/merge_requests/1.
     - Dpkg::Changelog: Rename variables from $c to $chlog or $ctrl.
     - Dpkg::Source::Package: Switch CURRENT_MINOR_VERSION from scalar to sub.
     - Dpkg::Source::Patch: Refactor _gen_hires_diff_label() function.
     - Dpkg::Checksums: Use -s _ instead of the direct result from stat.
     - Dpkg::Source::Patch: Use Time::HiRes::stat only when needed.
     - Dpkg::IPC: Add missing verbs to error messages.
     - Dselect::Method::Ftp: Load Time::Local with «use» instead of
       «require».
     - Dselect::Method::Ftp: Switch from deprecated timegm() to timegm_posix().
     - Dpkg::Compression::FileHandle: Switch set_filename() warning into croak.
     - Dpkg::Arch: Use subprocerr() instead of syserr() for subprocess error
       handling.
     - Dpkg::Vendor::Debian: Add space after = operator.
     - Dpkg::Email::Address: Reject all control characters in email addresses.
     - Dpkg::Email::Address: Reject commas in the email local and domain parts.
     - Dpkg::BuildInfo: Allow dpkg-deb compressor variables.
       Thanks to Serge Schneider <serge@raspberrypi.com>. Closes: #1140613
     - Dpkg::BuildProfiles: Move exclamation mark into restriction list regex.
     - Dpkg::BuildProfiles: Move regex variables at the top of the file.
     - Dpkg::BuildProfiles: Validate profile names on get and set.
     - Dpkg::IPC: Fix error message to refer to "stderr" instead of "stdout".
     - Dselect::Method::Ftp: Clarify that LIST is an FTP command in error
       message.
     - Dpkg::Shlibs::Symbol: Use "match" instead of "catch" in error message.
     - Dpkg::Color: Refactor color handling into this new module.
     - Dpkg::Getopt: Refactor format_option_parts() from dpkg-source
       print_option().
     - Dpkg::Getopt: Add option formatting and printing functions.
     - Dpkg::Getopt: Add new print_version() function.
     - Dpkg::Getopt: Add new parse_option_dir().
     - Dpkg::OpenPGP::Backend::SOP: Add hop as an alternative SOP
       implementation.
     - Dpkg::Source::Package::V3::Git: Use git --end-of-options before URLs.
       Prompted by Adeodato Simó <dato@net.com.org.es>.
       See https://nesbitt.io/2026/07/21/end-of-options.html.
     - Dpkg::Source::Package: Move full stop from option formatter to strings.
     - Dselect::Method::Config: Do not use Perl 5.38 //= in sub signature.
     - Dpkg::File: Change file_touch() to open for appending.
     - Dpkg::File: Fix file_touch() to update existing file timestamps.
     - Dpkg::Version: Fix and improve is_native() deprecation warning.
       Closes: #1145181
     - Dpkg::Gettext: Fix C_() context string handling on missing translations.
     - Dpkg::Gettext: Export C_() by default.
   * Make fragments:
     - Add supported since versions to variables.
   * Shell library:
     - Add an ANSI reset escape comment after the color constants.
     - Add constants for all common ANSI character color attributes.
   * Shell completion:
     - Import completion files from bash-completion.
       See https://github.com/scop/bash-completion/pull/1639.
     - Split completions for dpkg-deb and dpkg-query.
     - Sort and group dpkg completion options.
     - Switch word lists into bash arrays.
     - Fix dpkg-source -F argument completion.
     - Fix completion for dselect --debug.
     - Use update-alternatives --get-selections instead of accessing the
       admindir.
     - Rely only on _comp_compgen_help for update-alternatives --help parsing.
     - Improve dpkg status parsing to be more robust.
     - Remove unsupported -W and -E completion for dpkg-source.
     - Add missing fields to dpkg-source completion.
     - Add handling for missing options.
     - Add new start-stop-daemon bash completion.
   * Documentation:
     - man: Clarify that git-style patches can represent changes that GNU diff
       cannot.
     - man: Itemize attribute keywords in deb-src-files(5).
     - man: Document that getconf(1) must not be used for LFS support.
       Closes: #1133272
     - doc: Refer to deb822 instead of RFC822.
     - man: Remove trailing full stops from diagnostic items.
     - man: Fix markup for C<> and B<> to include the relevant text.
     - man: Document the full ar archive magic value.
     - man: Use semantic line breaks (must requirements, round two).
     - doc: Remove anachronistic two space sentence separation.
     - doc: Avoid "please" and "thanks" in man pages and code comments.
     - doc: Fix formatting for version introducing features.
     - man: Add supported since version information for Rules-Requires-Root
       field.
     - man: Split dpkg-deb --[no-]uniform-compression description into two
       items.
     - man: Remove "or" from end of =item in FILES section.
     - man: Move build flags enabled/disabled state on its own paragraph.
     - man: Improve supported since version information.
     - man: Add new deb-email(7) man page. Closes: #1126502
     - man: Move the #CURVER# metavariable from =head2 to =head3.
     - man: Document where to ship shlibs and symbols files.
       See #1009300.
     - man: Document that DPKG_PAGER only overrides PAGER when non-empty.
       Closes: #931094
     - man: Document that using "cat" in DPKG_PAGER or PAGER disables it.
       See #931094.
     - man: Clarify guarantees for non-seekable inputs to dpkg-deb.
     - man: Clarify that build profile names do not include exclamation marks.
     - man: Add supported since version for some dpkg-buildpackage long options.
     - man: Mark in bold dpkg-shlibdeps --warning values.
     - man: Mark in bold the literal commas needed by option arguments.
     - man: Split multiple long option aliases into their own items.
     - man: Remove no longer relevant SEE ALSO references for dpkg-name(1).
     - doc: Update list of optional SOP build dependencies.
     - doc: Remove usage of condescending wording "obviously".
     - doc: Remove usage of condescending wording "of course".
     - doc: Remove usage of condescending wording "clearly".
     - doc: Remove usage of weasel wording "simply".
     - doc: Remove usage of weasel wording "in fact".
     - doc: Remove usage of weasel wording "the fact that".
     - doc: Remove usage of weasel wording "basically".
     - doc: Remove usage of weasel wording "in order".
     - doc: Improve feature-removal-schedule machine readable annotation format.
   * Code internals:
     - scripts: Do not fail on empty Maintainer field from parsed changelog.
       Closes: #1130119
     - src, lib: Reduce variables scope.
     - libdpkg: Update suppressions for cppcheck 2.20.0.
     - shell: Add missing ;; for switch cases.
     - shell: Remove unneeded trailing «;» and «\».
     - shell: Reformat shell scripts.
     - perl: Improve POD for functions.
     - libdpkg: Rename dpkg_ar_member_get_size() to dpkg_ar_member_parse_size().
     - update-alternatives: Add an assert on value returned by
       alternative_map_find().
     - libcompat: Remove spurious space in #if conditional.
     - libcompat: Add countof() support.
     - Use countof() instead of array_count().
     - Rename scandir() filter functions.
     - libdpkg: Make the pre-allocated update file size be a power of two.
     - perl: Switch to use File::stat when we need to access its members.
     - scripts: Use S_IMODE to get the mode bits from st_mode.
     - libdpkg: Spell out standard descriptor names in error message.
     - libdpkg: On memory allocation failures print the requested size.
     - libdpkg: Unify abort error format string with fatal error format string.
     - libdpkg: Clarify and switch "outside error context" error into
       internerr().
     - libdpkg: Fix tar long name/link entry parsing to avoid truncation.
       Reported by Tristan <TristanInSec@gmail.com>.
     - libdpkg: Do not allow tar long name/link entries longer than SSIZE_MAX.
       Reported by Tristan <TristanInSec@gmail.com>.
     - scripts: Make license grant text internally consistent.
     - Collapse consecutive spaces into a single space in code.
     - libdpkg: Add missing blank after comma.
     - dselect: Move newline at end of string literal paragraph on its own line.
     - dselect: Use subprocerr() in methods instead of open-coding it.
     - dselect: Rework methods to use Dpkg::ErrorHandling for reporting.
     - dselect: Refactor screen pad and window names into an untranslated
       argument.
     - libdpkg: Rework compression error messages.
     - scripts: Mark strings for translation.
     - dpkg-buildpackage: Refactor signer key ID length computation.
     - dselect: Add a space after operator keyword.
     - start-stop-daemon: Refactor exit_status() function.
     - start-stop-daemon: Switch action handling in main() from cascading
       if/else to switch.
     - start-stop-daemon: Flush stdout before fork() to avoid any potential
       output duplication.
     - update-alternatives, libdpkg: Force line instead of no buffering for
       stdout even on a tty.
     - dselect: Add TRANSLATORS comment to help describe what the string is
       about.
     - libdpkg: Add macros for all common ANSI character color attributes.
     - libdpkg: Add new str_vfmt() function.
     - libdpkg, utils: Add new print_option_sep() function.
     - dpkg-source: Call print_option() once instead of once per option section.
     - scripts: Switch to use print_version() from Dpkg::Getopt.
     - Switch to use an explicit print_option_sep() instead of "\n".
     - scripts: Represent --help output strings as line literals.
     - libdpkg, utils: Add new print_option() function.
     - libdpkg: Mark «=» in bold in the option specification on --help output.
     - scripts: Parse directory options with parse_option_dir().
       See #1143871.
     - libdpkg: Add new term_get_width() function.
     - dpkg-name: Refactor supported package sections into an array.
     - Fix warnings due to new libc const-preserving string functions.
     - libdpkg: Nest file_slurp() ENOENT check inside if conditional.
     - libdpkg: Reset the ar size to 0 on non-seekable file descriptors.
     - libdpkg: Change must_alloc() to must_alloc_string().
     - dpkg: Change --command-fd file descriptor to an int.
     - libdpkg: Add log_set_file() function instead of exposing log_file
       variable.
     - libdpkg: Add push/pop_fatal_errors_section() instead of onerr_abort
       variable.
     - dpkg: Add new clear_cleanup_state() instead of exposing cleanup
       variables.
     - libdpkg: Do not skip varbuf allocations on additions with zero sizes.
       Reported by Elias Hasas (zer0d4y5) <eliash977@gmail.com> (empty first
       field). Closes: #1147121
   * Build system:
     - Update .editorconfig shell directives for shfmt.
     - Remove -Wpre-c2x-compat flag.
     - Rename c2x warning options to use c23 instead.
     - Add new gcc-15 warnings.
     - Add --tags to «git describe».
     - Add generated configure file artifacts to .gitignore.
     - Add max_line_length to .editorconfig.
     - Set TAR_OPTIONS to avoid leaking maintainer information on dist.
     - Move max_line_length from the catch-all glob to each section.
     - Add AC_SYS_YEAR2038 support to configure. Closes: #1054552
     - Add support for bash scripts in the source tree.
     - Quote shell variables that might contain spaces in TAP test runner.
     - Improve gen-changelog section filtering and grouping.
   * Packaging:
     - Bump Standards-Version to 4.7.4 (no changes needed).
     - Remove build dependency on debhelper (>= 13.10).
     - Remove obsolete Breaks satisfied since Debian oldstable or stable.
     - Remove obsolete versioned dependencies on essential packages.
     - Remove trailing spaces from conffiles.
     - Do not use unbalanced quotes in dpkg/dselect conffiles.
     - Improve description for dpkg and dselect config files.
     - Ship an /etc/dpkg/buildpackage.conf file in dpkg-dev.
     - Remove package prefix from lintian-overrides.
   * Test suite:
     - Improve unit test description message to include directory.
     - Remove TAR_OPTIONS from environment before calling $Dpkg::PROGTAR.
     - Update cppcheck suppressions for 2.21.0.
     - Make mknod(1) tests conditional and disabled by default.
       Analysis by Arnaud Rebillout <arnaudr@debian.org>. Closes: #1142100,
       #1144781
   * Localization:
     - Add Ukrainian translations.
       Thanks to Andriy Pysyk <ep.nestor@gmail.com>. Closes: #1130980
     - Update .gitignore files for new gettext.
     - Update Dutch translations.
       Thanks to Frans Spiesschaert <Frans.Spiesschaert@yucom.be>.
       Closes: #1131211, #1132541, #1132542
     - Update Portuguese translations.
       Thanks to Américo Monteiro <a_monteiro@gmx.com>. Closes: #1127394
     - Update Romanian dselect translation.
       Thanks to Remus-Gabriel Chelu <remusgabriel.chelu@disroot.org>.
       Closes: #1139332
     - Update Romanian programs translation.
       Thanks to Remus-Gabriel Chelu <remusgabriel.chelu@disroot.org>.
       Closes: #1139334
     - Update Swedish translations.
       Thanks to Peter Krefting <peter@softwolves.pp.se>. Closes: #1130536
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