4ddb64f57d
* gnu/system/locale.scm (localedef-command): Use the native LIBC. * gnu/system/shadow.scm (default-skeletons): Use the native GUILE-WM.
223 lines
8.4 KiB
Scheme
223 lines
8.4 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu system locale)
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#:use-module (guix gexp)
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#:use-module (guix store)
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#:use-module (guix monads)
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#:use-module (guix records)
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#:use-module (guix packages)
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#:use-module (guix utils)
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#:use-module (gnu packages base)
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#:use-module (gnu packages compression)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 match)
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#:export (locale-definition
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locale-definition?
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locale-definition-name
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locale-definition-source
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locale-definition-charset
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locale-name->definition
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locale-directory
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%default-locale-libcs
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%default-locale-definitions))
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;;; Commentary:
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;;;
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;;; Locale definitions, and compilation thereof.
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;;;
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;;; Code:
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(define-record-type* <locale-definition> locale-definition
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make-locale-definition
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locale-definition?
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(name locale-definition-name) ;string--e.g., "fr_FR.utf8"
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(source locale-definition-source) ;string--e.g., "fr_FR"
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(charset locale-definition-charset ;string--e.g., "UTF-8"
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(default "UTF-8")))
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(define %not-dot
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(char-set-complement (char-set #\.)))
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(define (denormalize-codeset codeset)
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"Attempt to guess the \"real\" name of CODESET, a normalized codeset as
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defined in (info \"(libc) Using gettextized software\")."
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(cond ((string=? codeset "utf8")
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"UTF-8")
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((string-prefix? "iso8859" codeset)
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(string-append "ISO-8859-" (string-drop codeset 7)))
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((string=? codeset "eucjp")
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"EUC-JP")
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(else ;cross fingers, hope for the best
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codeset)))
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(define (locale-name->definition name)
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"Return a <locale-definition> corresponding to NAME, guessing the charset,
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or #f on failure."
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(match (string-tokenize name %not-dot)
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((source charset)
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;; XXX: NAME is supposed to use the "normalized codeset", such as "utf8",
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;; whereas the actual name used is different. Add a special case to make
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;; the right guess for UTF-8.
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(locale-definition (name name)
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(source source)
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(charset (denormalize-codeset charset))))
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(_
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#f)))
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(define* (localedef-command locale
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#:key (libc (canonical-package glibc)))
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"Return a gexp that runs 'localedef' from LIBC to build LOCALE."
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(define (maybe-version-directory)
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;; XXX: For libc prior to 2.22, GuixSD did not store locale data in a
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;; version-specific sub-directory. Check whether this is the case.
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;; TODO: Remove this hack once libc 2.21 is buried.
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(let ((version (package-version libc)))
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(if (version>=? version "2.22")
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(list version "/")
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'())))
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#~(begin
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(format #t "building locale '~a'...~%"
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#$(locale-definition-name locale))
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(zero? (system* (string-append #+libc "/bin/localedef")
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"--no-archive" "--prefix" #$output
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"-i" #$(locale-definition-source locale)
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"-f" #$(locale-definition-charset locale)
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(string-append #$output "/"
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#$@(maybe-version-directory)
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#$(locale-definition-name locale))))))
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(define* (single-locale-directory locales
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#:key (libc (canonical-package glibc)))
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"Return a directory containing all of LOCALES for LIBC compiled.
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Because locale data formats are incompatible when switching from one libc to
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another, locale data is put in a sub-directory named after the 'version' field
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of LIBC."
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(define version
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(package-version libc))
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(define build
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#~(begin
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(mkdir #$output)
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;; XXX: For libcs < 2.22, locale data is stored in the top-level
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;; directory.
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;; TODO: Remove this hack once libc 2.21 is buried.
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#$(if (version>=? version "2.22")
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#~(mkdir (string-append #$output "/" #$version))
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#~(symlink "." (string-append #$output "/" #$version)))
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;; 'localedef' executes 'gzip' to access compressed locale sources.
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(setenv "PATH" (string-append #$gzip "/bin"))
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(exit
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(and #$@(map (cut localedef-command <> #:libc libc)
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locales)))))
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(gexp->derivation (string-append "locale-" version) build
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#:local-build? #t))
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(define* (locale-directory locales
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#:key (libcs %default-locale-libcs))
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"Return a locale directory containing all of LOCALES for each libc package
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listed in LIBCS.
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It is useful to list more than one libc when willing to support
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already-installed packages built against a different libc since the locale
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data format changes between libc versions."
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(match libcs
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((libc)
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(single-locale-directory locales #:libc libc))
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((libcs ..1)
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(mlet %store-monad ((dirs (mapm %store-monad
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(lambda (libc)
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(single-locale-directory locales
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#:libc libc))
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libcs)))
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(gexp->derivation "locale-multiple-versions"
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(with-imported-modules '((guix build union))
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#~(begin
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(use-modules (guix build union))
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(union-build #$output (list #$@dirs))))
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#:local-build? #t
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#:substitutable? #f)))))
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(define %default-locale-libcs
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;; The libcs for which we build locales by default.
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(list (canonical-package glibc)))
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(define %default-locale-definitions
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;; Arbitrary set of locales that are built by default. They are here mostly
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;; to facilitate first-time use to some people, while others may have to add
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;; a specific <locale-definition>.
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(letrec-syntax ((utf8-locale (syntax-rules ()
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((_ name*)
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(locale-definition
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;; Note: We choose "utf8", which is the
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;; "normalized codeset".
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(name (string-append name* ".utf8"))
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(source name*)
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(charset "UTF-8")))))
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(utf8-locales (syntax-rules ()
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((_ name ...)
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(list (utf8-locale name) ...)))))
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;; Add "en_US.UTF-8" for compatibility with Guix 0.8.
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(cons (locale-definition
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(name "en_US.UTF-8")
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(source "en_US")
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(charset "UTF-8"))
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(utf8-locales "ca_ES"
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"cs_CZ"
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"da_DK"
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"de_DE"
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"el_GR"
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"en_AU"
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"en_CA"
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"en_GB"
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"en_US"
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"es_AR"
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"es_CL"
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"es_ES"
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"es_MX"
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"fi_FI"
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"fr_BE"
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"fr_CA"
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"fr_CH"
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"fr_FR"
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"ga_IE"
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"it_IT"
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"ja_JP"
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"ko_KR"
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"nb_NO"
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"nl_NL"
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"pl_PL"
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"pt_PT"
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"ro_RO"
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"ru_RU"
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"sv_SE"
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"tr_TR"
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"uk_UA"
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"vi_VN"
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"zh_CN"))))
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;;; locale.scm ends here
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