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-Babel Changelog
-===============
-
-Version 2.9.1
--------------
-
-Bugfixes
-~~~~~~~~
-
-* The internal locale-data loading functions now validate the name of the locale file to be loaded and only
-  allow files within Babel's data directory.  Thank you to Chris Lyne of Tenable, Inc. for discovering the issue!
-
-Version 2.9.0
--------------
-
-Upcoming version support changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-* This version, Babel 2.9, is the last version of Babel to support Python 2.7, Python 3.4, and Python 3.5.
-
-Improvements
-~~~~~~~~~~~~
-
-* CLDR: Use CLDR 37 – Aarni Koskela (#734)
-* Dates: Handle ZoneInfo objects in get_timezone_location, get_timezone_name - Alessio Bogon (#741)
-* Numbers: Add group_separator feature in number formatting - Abdullah Javed Nesar (#726)
-
-Bugfixes
-~~~~~~~~
-
-* Dates: Correct default Format().timedelta format to 'long' to mute deprecation warnings – Aarni Koskela
-* Import: Simplify iteration code in "import_cldr.py" – Felix Schwarz
-* Import: Stop using deprecated ElementTree methods "getchildren()" and "getiterator()" – Felix Schwarz
-* Messages: Fix unicode printing error on Python 2 without TTY. – Niklas Hambüchen
-* Messages: Introduce invariant that _invalid_pofile() takes unicode line. – Niklas Hambüchen
-* Tests: fix tests when using Python 3.9 – Felix Schwarz
-* Tests: Remove deprecated 'sudo: false' from Travis configuration – Jon Dufresne
-* Tests: Support Py.test 6.x – Aarni Koskela
-* Utilities: LazyProxy: Handle AttributeError in specified func – Nikiforov Konstantin (#724)
-* Utilities: Replace usage of parser.suite with ast.parse – Miro Hrončok
-
-Documentation
-~~~~~~~~~~~~~
-
-* Update parse_number comments – Brad Martin (#708)
-* Add __iter__ to Catalog documentation – @CyanNani123
-
-Version 2.8.1
--------------
-
-This is solely a patch release to make running tests on Py.test 6+ possible.
-
-Bugfixes
-~~~~~~~~
-
-* Support Py.test 6 - Aarni Koskela (#747, #750, #752)
-
-Version 2.8.0
--------------
-
-Improvements
-~~~~~~~~~~~~
-
-* CLDR: Upgrade to CLDR 36.0 - Aarni Koskela (#679)
-* Messages: Don't even open files with the "ignore" extraction method - @sebleblanc (#678)
-
-Bugfixes
-~~~~~~~~
-
-* Numbers: Fix formatting very small decimals when quantization is disabled - Lev Lybin, @miluChen (#662)
-* Messages: Attempt to sort all messages – Mario Frasca (#651, #606)
-
-Docs
-~~~~
-
-* Add years to changelog - Romuald Brunet
-* Note that installation requires pytz - Steve (Gadget) Barnes
-
-Version 2.7.0
--------------
-
-Possibly incompatible changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-These may be backward incompatible in some cases, as some more-or-less internal
-APIs have changed. Please feel free to file issues if you bump into anything
-strange and we'll try to help!
-
-* General: Internal uses of ``babel.util.odict`` have been replaced with
-  ``collections.OrderedDict`` from The Python standard library.
-
-Improvements
-~~~~~~~~~~~~
-
-* CLDR: Upgrade to CLDR 35.1 - Alberto Mardegan, Aarni Koskela (#626, #643)
-* General: allow anchoring path patterns to the start of a string - Brian Cappello (#600)
-* General: Bumped version requirement on pytz - @chrisbrake (#592)
-* Messages: `pybabel compile`: exit with code 1 if errors were encountered - Aarni Koskela (#647)
-* Messages: Add omit-header to update_catalog - Cédric Krier (#633)
-* Messages: Catalog update: keep user comments from destination by default - Aarni Koskela (#648)
-* Messages: Skip empty message when writing mo file - Cédric Krier (#564)
-* Messages: Small fixes to avoid crashes on badly formatted .po files - Bryn Truscott (#597)
-* Numbers: `parse_decimal()` `strict` argument and `suggestions` - Charly C (#590)
-* Numbers: don't repeat suggestions in parse_decimal strict - Serban Constantin (#599)
-* Numbers: implement currency formatting with long display names - Luke Plant (#585)
-* Numbers: parse_decimal(): assume spaces are equivalent to non-breaking spaces when not in strict mode - Aarni Koskela (#649)
-* Performance: Cache locale_identifiers() - Aarni Koskela (#644)
-
-Bugfixes
-~~~~~~~~
-
-* CLDR: Skip alt=... for week data (minDays, firstDay, weekendStart, weekendEnd) - Aarni Koskela (#634)
-* Dates: Fix wrong weeknumber for 31.12.2018 - BT-sschmid (#621)
-* Locale: Avoid KeyError trying to get data on WindowsXP - mondeja (#604)
-* Locale: get_display_name(): Don't attempt to concatenate variant information to None - Aarni Koskela (#645)
-* Messages: pofile: Add comparison operators to _NormalizedString - Aarni Koskela (#646)
-* Messages: pofile: don't crash when message.locations can't be sorted - Aarni Koskela (#646)
-
-Tooling & docs
-~~~~~~~~~~~~~~
-
-* Docs: Remove all references to deprecated easy_install - Jon Dufresne (#610)
-* Docs: Switch print statement in docs to print function - NotAFile
-* Docs: Update all pypi.python.org URLs to pypi.org - Jon Dufresne (#587)
-* Docs: Use https URLs throughout project where available - Jon Dufresne (#588)
-* Support: Add testing and document support for Python 3.7 - Jon Dufresne (#611)
-* Support: Test on Python 3.8-dev - Aarni Koskela (#642)
-* Support: Using ABCs from collections instead of collections.abc is deprecated. - Julien Palard (#609)
-* Tests: Fix conftest.py compatibility with pytest 4.3 - Miro Hrončok (#635)
-* Tests: Update pytest and pytest-cov - Miro Hrončok (#635)
-
-Version 2.6.0
--------------
-
-Possibly incompatible changes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-These may be backward incompatible in some cases, as some more-or-less internal APIs have changed.
-Please feel free to file issues if you bump into anything strange and we'll try to help!
-
-* Numbers: Refactor decimal handling code and allow bypass of decimal quantization. (@kdeldycke) (PR #538)
-* Messages: allow processing files that are in locales unknown to Babel (@akx) (PR #557)
-* General: Drop support for EOL Python 2.6 and 3.3 (@hugovk) (PR #546)
-
-Other changes
-~~~~~~~~~~~~~
-
-* CLDR: Use CLDR 33 (@akx) (PR #581)
-* Lists: Add support for various list styles other than the default (@akx) (#552)
-* Messages: Add new PoFileError exception (@Bedrock02) (PR #532)
-* Times: Simplify Linux distro specific explicit timezone setting search (@scop) (PR #528)
-
-Bugfixes
-~~~~~~~~
-
-* CLDR: avoid importing alt=narrow currency symbols (@akx) (PR #558)
-* CLDR: ignore non-Latin numbering systems (@akx) (PR #579)
-* Docs: Fix improper example for date formatting (@PTrottier) (PR #574)
-* Tooling: Fix some deprecation warnings (@akx) (PR #580)
-
-Tooling & docs
-~~~~~~~~~~~~~~
-
-* Add explicit signatures to some date autofunctions (@xmo-odoo) (PR #554)
-* Include license file in the generated wheel package (@jdufresne) (PR #539)
-* Python 3.6 invalid escape sequence deprecation fixes (@scop) (PR #528)
-* Test and document all supported Python versions (@jdufresne) (PR #540)
-* Update copyright header years and authors file (@akx) (PR #559)
-
-
-Version 2.5.3
--------------
-
-This is a maintenance release that reverts undesired API-breaking changes that slipped into 2.5.2
-(see https://github.com/python-babel/babel/issues/550).
-
-It is based on v2.5.1 (f29eccd) with commits 7cedb84, 29da2d2 and edfb518 cherry-picked on top.
-
-Version 2.5.2
--------------
-
-Bugfixes
-~~~~~~~~
-
-* Revert the unnecessary PyInstaller fixes from 2.5.0 and 2.5.1 (#533) (@yagebu)
-
-Version 2.5.1
--------------
-
-Minor Improvements and bugfixes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-* Use a fixed datetime to avoid test failures (#520) (@narendravardi)
-* Parse multi-line __future__ imports better (#519) (@akx)
-* Fix validate_currency docstring (#522)
-* Allow normalize_locale and exists to handle various unexpected inputs (#523) (@suhojm)
-* Make PyInstaller support more robust (#525, #526) (@thijstriemstra, @akx)
-
-
-Version 2.5.0
--------------
-
-New Features
-~~~~~~~~~~~~
-
-* Numbers: Add currency utilities and helpers (#491) (@kdeldycke)
-* Support PyInstaller (#500, #505) (@wodo)
-
-Minor Improvements and bugfixes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-* Dates: Add __str__ to DateTimePattern (#515) (@sfermigier)
-* Dates: Fix an invalid string to bytes comparison when parsing TZ files on Py3 (#498) (@rowillia)
-* Dates: Formatting zero-padded components of dates is faster (#517) (@akx)
-* Documentation: Fix "Good Commits" link in CONTRIBUTING.md (#511) (@naryanacharya6)
-* Documentation: Fix link to Python gettext module (#512) (@Linkid)
-* Messages: Allow both dash and underscore separated locale identifiers in pofiles (#489, #490) (@akx)
-* Messages: Extract Python messages in nested gettext calls (#488) (@sublee)
-* Messages: Fix in-place editing of dir list while iterating (#476, #492) (@MarcDufresne)
-* Messages: Stabilize sort order (#482) (@xavfernandez)
-* Time zones: Honor the no-inherit marker for metazone names (#405) (@akx)
-
-
-Version 2.4.0
--------------
-
-New Features
-~~~~~~~~~~~~
-
-Some of these changes might break your current code and/or tests.
-
-* CLDR: CLDR 29 is now used instead of CLDR 28 (#405) (@akx)
-* Messages: Add option 'add_location' for location line formatting (#438, #459) (@rrader, @alxpy)
-* Numbers: Allow full control of decimal behavior (#410) (@etanol)
-
-Minor Improvements and bugfixes
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-* Documentation: Improve Date Fields descriptions (#450) (@ldwoolley)
-* Documentation: Typo fixes and documentation improvements (#406, #412, #403, #440, #449, #463) (@zyegfryed, @adamchainz, @jwilk, @akx, @roramirez, @abhishekcs10)
-* Messages: Default to UTF-8 source encoding instead of ISO-8859-1 (#399) (@asottile)
-* Messages: Ensure messages are extracted in the order they were passed in (#424) (@ngrilly)
-* Messages: Message extraction for JSX files is improved (#392, #396, #425) (@karloskar, @georgschoelly)
-* Messages: PO file reading supports multi-line obsolete units (#429) (@mbirtwell)
-* Messages: Python message extractor respects unicode_literals in __future__ (#427) (@sublee)
-* Messages: Roundtrip Language headers (#420) (@kruton)
-* Messages: units before obsolete units are no longer erroneously marked obsolete (#452) (@mbirtwell)
-* Numbers: `parse_pattern` now preserves the full original pattern (#414) (@jtwang)
-* Numbers: Fix float conversion in `extract_operands` (#435) (@akx)
-* Plurals: Fix plural forms for Czech and Slovak locales (#373) (@ykshatroff)
-* Plurals: More plural form fixes based on Mozilla and CLDR references (#431) (@mshenfield)
-
-
-Internal improvements
-~~~~~~~~~~~~~~~~~~~~~
-
-* Local times are constructed correctly in tests (#411) (@etanol)
-* Miscellaneous small improvements (#437) (@scop)
-* Regex flags are extracted from the regex strings (#462) (@singingwolfboy)
-* The PO file reader is now a class and has seen some refactoring (#429, #452) (@mbirtwell)
-
-
-Version 2.3.4
--------------
-
-(Bugfix release, released on April 22th 2016)
-
-Bugfixes
-~~~~~~~~
-
-* CLDR: The lxml library is no longer used for CLDR importing, so it should not cause strange failures either. Thanks to @aronbierbaum for the bug report and @jtwang for the fix. (https://github.com/python-babel/babel/pull/393)
-* CLI: Every last single CLI usage regression should now be gone, and both distutils and stand-alone CLIs should work as they have in the past. Thanks to @paxswill and @ajaeger for bug reports. (https://github.com/python-babel/babel/pull/389)
-
-Version 2.3.3
--------------
-
-(Bugfix release, released on April 12th 2016)
-
-Bugfixes
-~~~~~~~~
-
-* CLI: Usage regressions that had snuck in between 2.2 and 2.3 should be no more. (https://github.com/python-babel/babel/pull/386) Thanks to @ajaeger, @sebdiem and @jcristovao for bug reports and patches.
-
-Version 2.3.2
--------------
-
-(Bugfix release, released on April 9th 2016)
-
-Bugfixes
-~~~~~~~~
-
-* Dates: Period (am/pm) formatting was broken in certain locales (namely zh_TW). Thanks to @jun66j5 for the bug report. (https://github.com/python-babel/babel/issues/378, https://github.com/python-babel/babel/issues/379)
-
-Version 2.3.1
--------------
-
-(Bugfix release because of deployment problems, released on April 8th 2016)
-
-Version 2.3
------------
-
-(Feature release, released on April 8th 2016)
-
-Internal improvements
-~~~~~~~~~~~~~~~~~~~~~
-
-* The CLI frontend and Distutils commands use a shared implementation (https://github.com/python-babel/babel/pull/311)
-* PyPy3 is supported (https://github.com/python-babel/babel/pull/343)
-
-Features
-~~~~~~~~
-
-* CLDR: Add an API for territory language data (https://github.com/python-babel/babel/pull/315)
-* Core: Character order and measurement system data is imported and exposed (https://github.com/python-babel/babel/pull/368)
-* Dates: Add an API for time interval formatting (https://github.com/python-babel/babel/pull/316)
-* Dates: More pattern formats and lengths are supported (https://github.com/python-babel/babel/pull/347)
-* Dates: Period IDs are imported and exposed (https://github.com/python-babel/babel/pull/349)
-* Dates: Support for date-time skeleton formats has been added (https://github.com/python-babel/babel/pull/265)
-* Dates: Timezone formatting has been improved (https://github.com/python-babel/babel/pull/338)
-* Messages: JavaScript extraction now supports dotted names, ES6 template strings and JSX tags (https://github.com/python-babel/babel/pull/332)
-* Messages: npgettext is recognized by default (https://github.com/python-babel/babel/pull/341)
-* Messages: The CLI learned to accept multiple domains (https://github.com/python-babel/babel/pull/335)
-* Messages: The extraction commands now accept filenames in addition to directories (https://github.com/python-babel/babel/pull/324)
-* Units: A new API for unit formatting is implemented (https://github.com/python-babel/babel/pull/369)
-
-Bugfixes
-~~~~~~~~
-
-* Core: Mixed-case locale IDs work more reliably (https://github.com/python-babel/babel/pull/361)
-* Dates: S...S formats work correctly now (https://github.com/python-babel/babel/pull/360)
-* Messages: All messages are now sorted correctly if sorting has been specified (https://github.com/python-babel/babel/pull/300)
-* Messages: Fix the unexpected behavior caused by catalog header updating (e0e7ef1) (https://github.com/python-babel/babel/pull/320)
-* Messages: Gettext operands are now generated correctly (https://github.com/python-babel/babel/pull/295)
-* Messages: Message extraction has been taught to detect encodings better (https://github.com/python-babel/babel/pull/274)
-
-Version 2.2
------------
-
-(Feature release, released on January 2nd 2016)
-
-Bugfixes
-~~~~~~~~
-
-* General: Add __hash__ to Locale. (#303) (2aa8074)
-* General: Allow files with BOM if they're UTF-8 (#189) (da87edd)
-* General: localedata directory is now locale-data (#109) (2d1882e)
-* General: odict: Fix pop method (0a9e97e)
-* General: Removed uses of datetime.date class from *.dat files (#174) (94f6830)
-* Messages: Fix plural selection for Chinese (531f666)
-* Messages: Fix typo and add semicolon in plural_forms (5784501)
-* Messages: Flatten NullTranslations.files into a list (ad11101)
-* Times: FixedOffsetTimezone: fix display of negative offsets (d816803)
-
-Features
-~~~~~~~~
-
-* CLDR: Update to CLDR 28 (#292) (9f7f4d0)
-* General: Add __copy__ and __deepcopy__ to LazyProxy. (a1cc3f1)
-* General: Add official support for Python 3.4 and 3.5
-* General: Improve odict performance by making key search O(1) (6822b7f)
-* Locale: Add an ordinal_form property to Locale (#270) (b3f3430)
-* Locale: Add support for list formatting (37ce4fa, be6e23d)
-* Locale: Check inheritance exceptions first (3ef0d6d)
-* Messages: Allow file locations without line numbers (#279) (79bc781)
-* Messages: Allow passing a callable to `extract()` (#289) (3f58516)
-* Messages: Support 'Language' header field of PO files (#76) (3ce842b)
-* Messages: Update catalog headers from templates (e0e7ef1)
-* Numbers: Properly load and expose currency format types (#201) (df676ab)
-* Numbers: Use cdecimal by default when available (b6169be)
-* Numbers: Use the CLDR's suggested number of decimals for format_currency (#139) (201ed50)
-* Times: Add format_timedelta(format='narrow') support (edc5eb5)
-
-Version 2.1
------------
-
-(Bugfix/minor feature release, released on September 25th 2015)
-
-- Parse and honour the locale inheritance exceptions
-  (https://github.com/python-babel/babel/issues/97)
-- Fix Locale.parse using ``global.dat`` incompatible types
-  (https://github.com/python-babel/babel/issues/174)
-- Fix display of negative offsets in ``FixedOffsetTimezone``
-  (https://github.com/python-babel/babel/issues/214)
-- Improved odict performance which is used during localization file
-  build, should improve compilation time for large projects
-- Add support for "narrow" format for ``format_timedelta``
-- Add universal wheel support
-- Support 'Language' header field in .PO files
-  (fixes https://github.com/python-babel/babel/issues/76)
-- Test suite enhancements (coverage, broken tests fixed, etc)
-- Documentation updated
-
-Version 2.0
------------
-
-(Released on July 27th 2015, codename Second Coming)
-
-- Added support for looking up currencies that belong to a territory
-  through the :func:`babel.numbers.get_territory_currencies`
-  function.
-- Improved Python 3 support.
-- Fixed some broken tests for timezone behavior.
-- Improved various smaller things for dealing with dates.
-
-Version 1.4
------------
-
-(bugfix release, release date to be decided)
-
-- Fixed a bug that caused deprecated territory codes not being
-  converted properly by the subtag resolving.  This for instance
-  showed up when trying to use ``und_UK`` as a language code
-  which now properly resolves to ``en_GB``.
-- Fixed a bug that made it impossible to import the CLDR data
-  from scratch on windows systems.
-
-Version 1.3
------------
-
-(bugfix release, released on July 29th 2013)
-
-- Fixed a bug in likely-subtag resolving for some common locales.
-  This primarily makes ``zh_CN`` work again which was broken
-  due to how it was defined in the likely subtags combined with
-  our broken resolving.  This fixes :gh:`37`.
-- Fixed a bug that caused pybabel to break when writing to stdout
-  on Python 3.
-- Removed a stray print that was causing issues when writing to
-  stdout for message catalogs.
-
-Version 1.2
------------
-
-(bugfix release, released on July 27th 2013)
-
-- Included all tests in the tarball.  Previously the include
-  skipped past recursive folders.
-- Changed how tests are invoked and added separate standalone
-  test command.  This simplifies testing of the package for
-  linux distributors.
-
-Version 1.1
------------
-
-(bugfix release, released on July 27th 2013)
-
-- added dummy version requirements for pytz so that it installs
-  on pip 1.4.
-- Included tests in the tarball.
-
-Version 1.0
------------
-
-(Released on July 26th 2013, codename Revival)
-
-- support python 2.6, 2.7, 3.3+ and pypy - drop all other versions
-- use tox for testing on different pythons
-- Added support for the locale plural rules defined by the CLDR.
-- Added `format_timedelta` function to support localized formatting of
-  relative times with strings such as "2 days" or "1 month" (:trac:`126`).
-- Fixed negative offset handling of Catalog._set_mime_headers (:trac:`165`).
-- Fixed the case where messages containing square brackets would break with
-  an unpack error.
-- updated to CLDR 23
-- Make the CLDR import script work with Python 2.7.
-- Fix various typos.
-- Sort output of list-locales.
-- Make the POT-Creation-Date of the catalog being updated equal to
-  POT-Creation-Date of the template used to update (:trac:`148`).
-- Use a more explicit error message if no option or argument (command) is
-  passed to pybabel (:trac:`81`).
-- Keep the PO-Revision-Date if it is not the default value (:trac:`148`).
-- Make --no-wrap work by reworking --width's default and mimic xgettext's
-  behaviour of always wrapping comments (:trac:`145`).
-- Add --project and --version options for commandline (:trac:`173`).
-- Add a __ne__() method to the Local class.
-- Explicitly sort instead of using sorted() and don't assume ordering
-  (Jython compatibility).
-- Removed ValueError raising for string formatting message checkers if the
-  string does not contain any string formattings (:trac:`150`).
-- Fix Serbian plural forms (:trac:`213`).
-- Small speed improvement in format_date() (:trac:`216`).
-- Fix so frontend.CommandLineInterface.run does not accumulate logging
-  handlers (:trac:`227`, reported with initial patch by dfraser)
-- Fix exception if environment contains an invalid locale setting
-  (:trac:`200`)
-- use cPickle instead of pickle for better performance (:trac:`225`)
-- Only use bankers round algorithm as a tie breaker if there are two nearest
-  numbers, round as usual if there is only one nearest number (:trac:`267`,
-  patch by Martin)
-- Allow disabling cache behaviour in LazyProxy (:trac:`208`, initial patch
-  from Pedro Algarvio)
-- Support for context-aware methods during message extraction (:trac:`229`,
-  patch from David Rios)
-- "init" and "update" commands support "--no-wrap" option (:trac:`289`)
-- fix formatting of fraction in format_decimal() if the input value is a float
-  with more than 7 significant digits (:trac:`183`)
-- fix format_date() with datetime parameter (:trac:`282`, patch from Xavier
-  Morel)
-- fix format_decimal() with small Decimal values (:trac:`214`, patch from
-  George Lund)
-- fix handling of messages containing '\\n' (:trac:`198`)
-- handle irregular multi-line msgstr (no "" as first line) gracefully
-  (:trac:`171`)
-- parse_decimal() now returns Decimals not floats, API change (:trac:`178`)
-- no warnings when running setup.py without installed setuptools (:trac:`262`)
-- modified Locale.__eq__ method so Locales are only equal if all of their
-  attributes (language, territory, script, variant) are equal
-- resort to hard-coded message extractors/checkers if pkg_resources is
-  installed but no egg-info was found (:trac:`230`)
-- format_time() and format_datetime() now accept also floats (:trac:`242`)
-- add babel.support.NullTranslations class similar to gettext.NullTranslations
-  but with all of Babel's new gettext methods (:trac:`277`)
-- "init" and "update" commands support "--width" option (:trac:`284`)
-- fix 'input_dirs' option for setuptools integration (:trac:`232`, initial
-  patch by Étienne Bersac)
-- ensure .mo file header contains the same information as the source .po file
-  (:trac:`199`)
-- added support for get_language_name() on the locale objects.
-- added support for get_territory_name() on the locale objects.
-- added support for get_script_name() on the locale objects.
-- added pluralization support for currency names and added a '¤¤¤'
-  pattern for currencies that includes the full name.
-- depend on pytz now and wrap it nicer.  This gives us improved support
-  for things like timezone transitions and an overall nicer API.
-- Added support for explicit charset to PO file reading.
-- Added experimental Python 3 support.
-- Added better support for returning timezone names.
-- Don't throw away a Catalog's obsolete messages when updating it.
-- Added basic likelySubtag resolving when doing locale parsing and no
-  match can be found.
-
-
-Version 0.9.6
--------------
-
-(released on March 17th 2011)
-
-- Backport r493-494: documentation typo fixes.
-- Make the CLDR import script work with Python 2.7.
-- Fix various typos.
-- Fixed Python 2.3 compatibility (:trac:`146`, :trac:`233`).
-- Sort output of list-locales.
-- Make the POT-Creation-Date of the catalog being updated equal to
-  POT-Creation-Date of the template used to update (:trac:`148`).
-- Use a more explicit error message if no option or argument (command) is
-  passed to pybabel (:trac:`81`).
-- Keep the PO-Revision-Date if it is not the default value (:trac:`148`).
-- Make --no-wrap work by reworking --width's default and mimic xgettext's
-  behaviour of always wrapping comments (:trac:`145`).
-- Fixed negative offset handling of Catalog._set_mime_headers (:trac:`165`).
-- Add --project and --version options for commandline (:trac:`173`).
-- Add a __ne__() method to the Local class.
-- Explicitly sort instead of using sorted() and don't assume ordering
-  (Python 2.3 and Jython compatibility).
-- Removed ValueError raising for string formatting message checkers if the
-  string does not contain any string formattings (:trac:`150`).
-- Fix Serbian plural forms (:trac:`213`).
-- Small speed improvement in format_date() (:trac:`216`).
-- Fix number formatting for locales where CLDR specifies alt or draft
-  items (:trac:`217`)
-- Fix bad check in format_time (:trac:`257`, reported with patch and tests by
-  jomae)
-- Fix so frontend.CommandLineInterface.run does not accumulate logging
-  handlers (:trac:`227`, reported with initial patch by dfraser)
-- Fix exception if environment contains an invalid locale setting
-  (:trac:`200`)
-
-
-Version 0.9.5
--------------
-
-(released on April 6th 2010)
-
-- Fixed the case where messages containing square brackets would break with
-  an unpack error.
-- Backport of r467: Fuzzy matching regarding plurals should *NOT* be checked
-  against len(message.id)  because this is always 2, instead, it's should be
-  checked against catalog.num_plurals (:trac:`212`).
-
-
-Version 0.9.4
--------------
-
-(released on August 25th 2008)
-
-- Currency symbol definitions that is defined with choice patterns in the
-  CLDR data are no longer imported, so the symbol code will be used instead.
-- Fixed quarter support in date formatting.
-- Fixed a serious memory leak that was introduces by the support for CLDR
-  aliases in 0.9.3 (:trac:`128`).
-- Locale modifiers such as "@euro" are now stripped from locale identifiers
-  when parsing (:trac:`136`).
-- The system locales "C" and "POSIX" are now treated as aliases for
-  "en_US_POSIX", for which the CLDR provides the appropriate data. Thanks to
-  Manlio Perillo for the suggestion.
-- Fixed JavaScript extraction for regular expression literals (:trac:`138`)
-  and concatenated strings.
-- The `Translation` class in `babel.support` can now manage catalogs with
-  different message domains, and exposes the family of `d*gettext` functions
-  (:trac:`137`).
-
-
-Version 0.9.3
--------------
-
-(released on July 9th 2008)
-
-- Fixed invalid message extraction methods causing an UnboundLocalError.
-- Extraction method specification can now use a dot instead of the colon to
-  separate module and function name (:trac:`105`).
-- Fixed message catalog compilation for locales with more than two plural
-  forms (:trac:`95`).
-- Fixed compilation of message catalogs for locales with more than two plural
-  forms where the translations were empty (:trac:`97`).
-- The stripping of the comment tags in comments is optional now and
-  is done for each line in a comment.
-- Added a JavaScript message extractor.
-- Updated to CLDR 1.6.
-- Fixed timezone calculations when formatting datetime and time values.
-- Added a `get_plural` function into the plurals module that returns the
-  correct plural forms for a locale as tuple.
-- Added support for alias definitions in the CLDR data files, meaning that
-  the chance for items missing in certain locales should be greatly reduced
-  (:trac:`68`).
-
-
-Version 0.9.2
--------------
-
-(released on February 4th 2008)
-
-- Fixed catalogs' charset values not being recognized (:trac:`66`).
-- Numerous improvements to the default plural forms.
-- Fixed fuzzy matching when updating message catalogs (:trac:`82`).
-- Fixed bug in catalog updating, that in some cases pulled in translations
-  from different catalogs based on the same template.
-- Location lines in PO files do no longer get wrapped at hyphens in file
-  names (:trac:`79`).
-- Fixed division by zero error in catalog compilation on empty catalogs
-  (:trac:`60`).
-
-
-Version 0.9.1
--------------
-
-(released on September 7th 2007)
-
-- Fixed catalog updating when a message is merged that was previously simple
-  but now has a plural form, for example by moving from `gettext` to
-  `ngettext`, or vice versa.
-- Fixed time formatting for 12 am and 12 pm.
-- Fixed output encoding of the `pybabel --list-locales` command.
-- MO files are now written in binary mode on windows (:trac:`61`).
-
-
-Version 0.9
------------
-
-(released on August 20th 2007)
-
-- The `new_catalog` distutils command has been renamed to `init_catalog` for
-  consistency with the command-line frontend.
-- Added compilation of message catalogs to MO files (:trac:`21`).
-- Added updating of message catalogs from POT files (:trac:`22`).
-- Support for significant digits in number formatting.
-- Apply proper "banker's rounding" in number formatting in a cross-platform
-  manner.
-- The number formatting functions now also work with numbers represented by
-  Python `Decimal` objects (:trac:`53`).
-- Added extensible infrastructure for validating translation catalogs.
-- Fixed the extractor not filtering out messages that didn't validate against
-  the keyword's specification (:trac:`39`).
-- Fixed the extractor raising an exception when encountering an empty string
-  msgid. It now emits a warning to stderr.
-- Numerous Python message extractor fixes: it now handles nested function
-  calls within a gettext function call correctly, uses the correct line number
-  for multi-line function calls, and other small fixes (tickets :trac:`38` and
-  :trac:`39`).
-- Improved support for detecting Python string formatting fields in message
-  strings (:trac:`57`).
-- CLDR upgraded to the 1.5 release.
-- Improved timezone formatting.
-- Implemented scientific number formatting.
-- Added mechanism to lookup locales by alias, for cases where browsers insist
-  on including only the language code in the `Accept-Language` header, and
-  sometimes even the incorrect language code.
-
-
-Version 0.8.1
--------------
-
-(released on July 2nd 2007)
-
-- `default_locale()` would fail when the value of the `LANGUAGE` environment
-  variable contained multiple language codes separated by colon, as is
-  explicitly allowed by the GNU gettext tools. As the `default_locale()`
-  function is called at the module level in some modules, this bug would
-  completely break importing these modules on systems where `LANGUAGE` is set
-  that way.
-- The character set specified in PO template files is now respected when
-  creating new catalog files based on that template. This allows the use of
-  characters outside the ASCII range in POT files (:trac:`17`).
-- The default ordering of messages in generated POT files, which is based on
-  the order those messages are found when walking the source tree, is no
-  longer subject to differences between platforms; directory and file names
-  are now always sorted alphabetically.
-- The Python message extractor now respects the special encoding comment to be
-  able to handle files containing non-ASCII characters (:trac:`23`).
-- Added ``N_`` (gettext noop) to the extractor's default keywords.
-- Made locale string parsing more robust, and also take the script part into
-  account (:trac:`27`).
-- Added a function to list all locales for which locale data is available.
-- Added a command-line option to the `pybabel` command which prints out all
-  available locales (:trac:`24`).
-- The name of the command-line script has been changed from just `babel` to
-  `pybabel` to avoid a conflict with the OpenBabel project (:trac:`34`).
-
-
-Version 0.8
------------
-
-(released on June 20th 2007)
-
-- First public release