CHANGES.old

0.25.1 (Nov 16, 2015)
---------------------

- Fix undefined function call in ``emacs-lisp`` syntax checker [GH-791]

0.25 (Nov 14, 2015)
-------------------

- **Breaking changes**:

  - ``scala-scalastyle`` now expects a ``scalastyle`` executable in
    ``exec-path`` [GH-763]
  - Drop support for legacy Ruby YAML implementations prior to Ruby 1.9.3 in
    ``ruby-yaml``
  - Remove racket syntax checker due to possible code execution [GH-786]

- New syntax checkers:

  - JSON with Python’s built-in ``json`` module [GH-758]
  - Rust with ``cargo rustc`` [GH-772]

- New features:

  - Add ``flycheck-help-echo-function`` to customize the Help Echo of Flycheck
    overlays [GH-730]
  - Use symbolic error IDs in Pylint [GH-714]
  - Add ``flycheck-pylint-use-symbolic-id`` to disable symbolic IDs for Pylint
    [GH-714]
  - Add ``flycheck-command-wrapper-function`` to wrap syntax checker commands
    before execution [GH-629] [GH-752]
  - Add ``flycheck-executable-find`` to customise how Flycheck searches
    executables [GH-752]
  - Add ``flycheck-hlint-args`` to pass additional arguments to hlint
    [GH-713][GH-762]
  - Add ``flycheck-go-build-tags`` and ``flycheck-go-install-deps`` to specify
    tags and automatically install dependencies with ``go build`` [GH-674]
  - Add :standard-input property to syntax checkers to read source from standard
    input [GH-673] [GH-728]
  - Add support for JSX modes to some Javascript checkers [GH-778]

- Improvements:

  - Improve mode line display for buffers with only info messages [GH-733]
  - Merge messages of all errors under cursor for Help Echo [GH-730]
  - Align multi-line messages in error list [GH-732] [GH-731]
  - Cache GHC output for faster syntax checking and better template haskell
    support [GH-708]
  - Fall back to ``rst`` if ``rst-sphinx`` is disabled [GH-745] [GH-746]
  - New uniform fringe indicators [GH-750]
  - Demote AsciiDoc deprecation warnings to ``info`` level

- Bug fixes:

  - Fix error patterns of ``coq`` [GH-742]
  - Support GFortran 5 [GH-751]
  - Fix stack overflow when parsing hlint errors [GH-760]
  - Fix error columns of jsonlint

0.24 (Aug 15, 2015)
-------------------

- **Breaking changes**:

  - Remove Elixir syntax checker due to code execution [GH-630]
  - Drop support for Emacs 24.1 and 24.2

- New syntax checkers:

  - Javascript with ``jscs`` [GH-634] and ``standard`` [GH-644]
  - Jade [GH-686]
  - SQL with ``sqllint`` [GH-691]
  - Groovy [GH-716]
  - Haskell with ``stack ghc`` [GH-711]

- New features:

  - The error list can now be filtered by error level by pressing f
  - Add ``flycheck-error-list-minimum-level`` to restrict error levels displayed
    in the error list [GH-698] [GH-701]
  - Add ``flycheck-perl-include-path`` to set include directories for Perl
    [GH-621]
  - Add ``flycheck-rust-args`` to pass additional arguments to ``rustc``
  - Add ``flycheck-dmd-args`` to pass additional arguments to ``dmd`` [GH-655]
  - Add ``flycheck-erlang-include-path`` [GH-668] and
    ``flycheck-erlang-library-path`` [GH-696] for Erlang
  - Add ``flycheck-verilator-include-path`` to set include directories for
    Verilator [GH-684]
  - Add ``flycheck-cppcheck-include-path`` to set include directories for
    cppcheck [GH-687]
  - Add support for Hlint configuration file [GH-682]
  - Add Hlint options for ignore rules, language extensions and hint packages
    [GH-682]

- Improvements:

  - Show chained checkers in Help buffers for syntax checkers [GH-571]
  - Map custom error levels to compilation mode levels [GH-700]
  - ``flycheck-verify-setup`` now includes the manually selected checker if any
    [GH-705]
  - ``flycheck-select-checker`` now shows a verification buffer if the selected
    checker cannot be used [GH-705]
  - Add ``flycheck-verify-checker`` to check whether a specific syntax checker
    can be used in a buffer [GH-705]

- Bug fixes:

  - Fix offset of column numbers in ESLint [GH-640]
  - Properly parse indentation errors from Python 2.7 [GH-635]
  - Don’t choke if ``default-directory`` does not exist [GH-625]
  - Fix error parsing for Puppet 4
  - Fix duplicate checkdoc errors on Emacs 25
  - Fix level of ``info`` messages in ``flycheck-compile`` [GH-669]
  - Allow custom ``:verify`` functions for command checkers [GH-672]
  - Fix error when ``flycheck-scalastylerc`` was set to a non-existing file
  - Fix error column offsets in ``scala-scalastyle``
  - Do not use ``r-lintr`` in non-R buffers [GH-607]
  - Enforce output format of ``flake8`` [GH-704]
  - Parse error ids from luacheck 0.11
  - Fix patterns for Puppet environment names [GH-694]
  - Properly locate configuration files from jshint and jscs [GH-703]
  - Fix column offsets in eslint 1.0 [GH-718]

0.23 (Apr 6, 2015)
------------------

- **Breaking changes**:

  - New manual in native Texinfo format, to achieve higher quality Info manuals
  - Remove ``make`` syntax checker due to various issues [GH-572] [GH-573]
  - Remove ``zsh`` support from ``sh-shellcheck``, since Shellcheck does not
    support Zsh anymore
  - Remove ``global-flycheck-mode`` from customization interface [GH-595]

- New syntax checkers:

  - R with ``lintr`` [GH-512]
  - Lua with ``luacheck`` [GH-591] [GH-609]
  - SCSS with ``scss-lint`` [GH-582] [GH-598]

- New features:

  - Add ``flycheck-disable-checker`` to disable a syntax checker in the current
    buffer
  - Add ``flycheck-global-modes`` to control in which modes
    ``global-flycheck-mode`` turns on ``flycheck-mode``
  - Add ``pedantic`` and ``pedantic-errors`` options to Clang and GCC [GH-543]
  - Add ``flycheck-foodcritic-tags`` to select tags for Foodcritic [GH-560]

- Improvements:

  - ``chef-foodcritic`` handles relative paths correctly now [GH-556]
  - Global Flycheck Mode enables Flycheck Mode even if there is no syntax
    checker for the buffer yet [GH-568]
  - ``handlebars`` now supports Web Mode [GH-605]
  - Extract error IDs from ``rustc``
  - Don’t cache last syntax checker in buffer anymore

- Bug fixes:

  - Fix void variable error when trying to use ``flycheck-compile`` with a
    non-command checker [GH-563]
  - Fix faulty mode line reporting [GH-564]
  - Automatically initialize packages when checking ``user-init-file``
  - Properly initialize hook variables [GH-593]
  - Fix handling of file names with symbolic links for some checkers [GH-561]
  - Parse multiline type errors from ``rustc`` [GH-592]

0.22 (Dec 23, 2014)
-------------------

- **Breaking changes**:

  - Never allow use of disabled checkers anymore, even with
    ``flycheck-select-checker``
  - Error parsers **must** set the ``:buffer`` and ``:checker`` slots of
    ``flycheck-error`` now
  - The internals of syntax checker definitions have changed again.  **All
    packages depending on Flycheck must be recompiled!** [GH-524]
  - ``flycheck-error-list-refresh`` is not an interactive command anymore
  - Replace ``flycheck-perlcritic-verbosity`` with
    ``flycheck-perlcritic-severity``
  - Replace ``flycheck-copy-messages-as-kill`` with
    ``flycheck-copy-errors-as-kill`` [GH-529]
  - Remove ``flycheck-google-messages`` command
  - Options and config file variables are not buffer-local anymore [GH-546]

- New syntax checkers:

  - Python with ``py_compile`` [GH-484]

- New features:

  - ``flycheck-ert.el`` library to write unit tests for Flycheck extensions
  - Add ``flycheck-define-generic-checker`` to define syntax checkers over
    arbitrary Emacs Lisp functions [GH-169] [GH-524]
  - Add ``flycheck-define-command-checker`` as non-macro variant of
    ``flycheck-define-checker`` [GH-524]
  - Add support for IDs of errors [GH-529]
  - Add special ``id`` sexp to parse error ids with ``:error-patterns`` [GH-529]
  - Parse error IDs from Checkstyle XML [GH-259]
  - ``flycheck-copy-errors-as-kill`` can put error ids into kill ring now
    [GH-529]
  - Parse error IDs from many error checkers [GH-259]
  - Verify Flycheck setup in a buffer with ``flycheck-verify-setup`` [GH-338]
  - Add options for arbitrary arguments to some syntax checkers [GH-542]
  - Add ``flycheck-flake8-error-level-alist`` to customize error levels from
    flake8 [GH-454]

- Improvements:

  - Automatically disable syntax checkers that report too many errors [GH-476]
  - Reduce filesystem access when parsing errors to improve parsing speed
  - Add explicit ``load-path`` inheritance to ``flycheck-emacs-lisp-load-path``,
    via new ``inherit`` value [GH-511]
  - Parse help messages from ``rustc`` [GH-517]
  - ``g`` in the error list checks the source buffer again [GH-532]
  - ``haskell-ghc`` supports literate Haskell now [GH-535]

- Bug fixes:

  - Properly parse notes in ``sh-shellcheck`` [GH-508]
  - Fix shell quoting in ``flycheck-compile`` [GH-522] [GH-523]
  - Fix faulty properties of customize options which broke ``customize-changed``
    and related functions
  - Fix use deprecated option in ``coffee-coffeelint``
  - Fix error columns of ``python-pylint`` and ``tex-chktex`` [GH-536]
  - Correctly compute error level of errors on included files in ``c/c++-clang``
    and ``c/c++-gcc`` [GH-451]

0.21 (Oct 26, 2014)
-------------------

- **Breaking changes**:

  - ``html-tidy`` is not enabled in Web Mode anymore [GH-464]
  - ``d-dmd`` now requires DMD 2.066 or newer [GH-460]
  - ``:next-checkers`` now requires the maximum permissible level instead of a
    custom predicate [GH-472]
  - Remove ``flycheck-error-list-highlight-at-point`` face and related
    functionality [GH-490]

- New syntax checkers:

  - Coq
  - RPM spec files with ``rpmlint`` [GH-480] [GH-481]

- New features:

  - Add ``null-device`` symbol for syntax checker commands
  - Add ``flycheck-display-error-messages-unless-error-list`` for
    ``flycheck-error-display-function``
  - Add ``flycheck-error-list-after-refresh-hook`` to run after the error list
    refreshes
  - Add ``flycheck-navigation-minimum-level`` to restrict error levels available
    for navigation [GH-398] [GH-485]
  - The error list can be sorted by message and syntax checker name now [GH-500]
  - Add ``flycheck-error-list-checker-name`` face to customize the appearance of
    the syntax checker name in the error list [GH-500]
  - Add ``flycheck-shellcheck-excluded-warnings`` to exclude warnings from
    ShellCheck reports [GH-499]
  - Add ``flycheck-add-mode`` to add a new major mode to a syntax checker
    [GH-506]
  - Add ``flycheck-gcc-openmp`` to enable OpenMP for GCC in C/C++ [GH-507]

- Improvements:

  - Improve GCC syntax checking by expanding templates [GH-459]
  - ``d-dmd`` reports errors with columns now [GH-460]
  - Remove Projectile-based config file search [GH-461]
  - Do not change point when navigating in the error list [GH-487]
  - ShellCheck warnings now include the corresponding warning code

- Bug fixes:

  - Expand ``default-directory`` before using it, to handle abbreviated paths
    gracefully [GH-434]
  - Restore mouse support in the error list [GH-468]
  - ``less`` now correctly resolves relative paths in ``data-uri`` [GH-471]
  - ``go-errcheck`` now properly uses package names as syntax checker arguments
  - ``c/c++-clang`` now handles empty error messages [GH-497]

0.20 (Aug 12, 2014)
-------------------

- **Breaking changes**:

  - The internal names of syntax checker properties changed. **All packages
    depending on Flycheck must be recompiled!**
  - ``flycheck-substitute-argument`` always returns a list now
  - The special meaning of a trailing ``=`` in ``(option …)`` and ``(config-file
    …)`` is removed. Both arguments must now explicitly specify ``concat`` to
    prepend the option as string.

- New syntax checkers:

  - C/C++ with GCC [GH-408]
  - Scala with scalastyle [GH-425]
  - Fortran with GFortran [GH-414] [GH-450]
  - Ada with GNAT [GH-414] [GH-457]

- New features:

  - Add ``flycheck-clang-no-exceptions`` and ``flycheck-gcc-no-exceptions`` to
    flag exceptions as errors in C++ [GH-412]
  - Add ``flycheck-rust-crate-root`` to resolve inter-crate references in
    ``rust`` [GH-417]
  - Add ``flycheck-clang-blocks`` to enable the block syntax in Clang [GH-420]
  - ``read-flycheck-checker`` now accepts a default value
  - Add ``flycheck-status-changed-functions`` to react on status changes
  - Make the mode line lighter of Flycheck customizable with
    ``flycheck-mode-line``
  - Add ``flycheck-rubylintrc`` to support configuration files for
    ``ruby-rubylint`` [GH-424]
  - Add ``flycheck-rust-crate-type`` to make the Crate type customizable
    [GH-446]
  - The mode line of the error list is now customizable with
    ``flycheck-error-list-mode-line`` [GH-454]
  - Pressing ``n`` or ``p`` in the error list now shows the error at point in a
    separate window [GH-452] [GH-454]
  - Pressing ``RET`` in the error list now jumps to the error at point [GH-454]
  - The error list can now be sorted by error level by clicking on the
    corresponding list header, or by pressing ``S`` with point on the column
    text [GH-454]
  - Error levels defined with ``flycheck-define-error-level`` can now have a
    numeric severity used for sorting [GH-454]

- Improvements:

  - Use proper temporary files in ``python-flake8`` [GH-421]
  - Demote errors from ``package-initialize`` in the ``emacs-lisp`` checker
    [GH-423]
  - ``flycheck-select-checker`` now uses the last used syntax checker as default
    when reading from minibuffer
  - ``flycheck-compile`` now prompts for the syntax checker to run as
    ``compile`` command [GH-428]
  - The ``rust`` syntax checker shows info messages now [GH-439]
  - The ``sass`` and ``scss`` syntax checkers now use a temporary directory for
    their cache [GH-443] [GH-454]
  - Change the default of ``flycheck-eslintrc`` to ``nil`` [GH-447]
  - Show the menu on the mode line lighter [GH-365]
  - Greatly improve Flycheck's menu
  - ``n`` and ``p`` now navigate the error list by errors, not by lines
    [GH-452][GH-444]
  - ``c/c++-clang`` does not use in-place temporary files anymore [GH-456]

- Bug fixes:

  - Properly support ``unload-feature`` now

- Other changes:

  - Remove dependencies on f.el and s.el

0.19 (Jun 12, 2014)
-------------------

- Flycheck now has an official logo [GH-331]

- **Breaking changes**:

  - The ``ruby-rubylint`` syntax checker now requires Ruby Lint 2.0 or
    newer. [GH-405]

- New syntax checkers:

  - Go with ``errcheck`` [GH-393]

- New features:

  - Add ``flycheck-keymap-prefix`` to change the prefix key for Flycheck
    keybindings [GH-381]
  - Make the prefix of Flycheck's temporary files customizable with
    ``flycheck-temp-prefix`` [GH-387]
  - Add ``:error-filter`` property for syntax checkers to apply a custom
    function to modify or filter errors after parsing [GH-397]
  - Add ``flycheck-rust-check-tests`` to disable syntax checking of test code in
    Rust [GH-406]
  - Add ``flycheck-cppcheck-inconclusive`` to enable cppcheck tests that might
    give false positives [GH-407]

- Improvements:

  - Collapse redundant whitespace in messages from ``emacs-lisp`` [GH-397]
  - Dedent messages from ``haskell-ghc`` [GH-397]
  - Fold errors in included files into the error messages of the corresponding
    include in ``c/c++-clang`` [GH-397]
  - The ``ruby-rubylint`` syntax checker now supports ruby-lint 2.0 and newer
    [GH-405]

- Bug fixes:

  - When stopping Flycheck, correctly kill running processes and cleanup their
    temporary files [GH-334]
  - Do not choke on files without extensions in ``haskell-ghc``
  - Fix spurious warning when a syntax checker reports errors, but not for the
    file being checked [GH-391]
  - Do not signal errors in Go Mode, when ``go`` is not available

0.18 (Mar 24, 2014)
-------------------

- **Breaking changes**:

  - The POSIX script syntax checkers ``sh-bash`` and ``sh-dash`` were renamed to
    ``sh-posix-bash`` and ``sh-posix-dash`` respectively.  The ``bash`` and
    ``zsh`` syntax checkers were renamed to ``sh-bash`` and ``sh-zsh``
    respectively. Thus, all shell script syntax checkers now live in the ``sh-``
    prefix.
  - ``rst-sphinx`` requires Sphinx 1.2 or newer now.
  - ``rustc`` requires Rust 0.10 (not yet released at the time of writing) or
    newer now [GH-353]

- New syntax checkers:

  - Perl with Perl Critic [GH-88]
  - Replace GNU Make with POSIX Make [GH-322]
  - Shellcheck [GH-267]
  - Go with ``golint`` [GH-328]
  - Go with ``go tool vet`` [GH-329]

- New features:

  - Add ``flycheck-rust-library-path`` to specify library locations for ``rust``
  - Add ``flycheck-dmd-include-path`` to change the include path of ``d-dmd``
    [GH-344]

- Improvements:

  - ``flycheck-parse-checkstyle`` supports ``info`` level messages now
  - Correctly parse multiline error messages of ``go-build`` and ``go-test``
  - ``rst-sphinx`` supports custom nodes without explicit writer support now, by
    using the ``pseudoxml`` builder.
  - Avoid warnings about missing main functions in ``rust``
  - Properly resolve relative filenames in ``.. include::`` directives in
    ``rst``
  - Use ``--unix_mode`` option in ``javascript-gjslint`` to get the file name
    [GH-348]
  - Puppet Lint messages now include the name of the corresponding check
  - ``rustc`` supports upcoming Rust 0.10 now [GH-353]
  - Flycheck now handles Clang errors from included files [GH-367]

0.17 (Feb 1, 2014)
------------------

- The manual was ported to Sphinx_ and is now located at
  http://flycheck.readthedocs.org [GH-274]

- **Breaking changes**:

  - The default ``flycheck-completion-system`` was changed to nil, i.e. the
    built-in ``completing-read``, for compliance with Emacs' defaults. To
    restore the previous behaviour, add ``(eval-after-load 'flycheck '(setq
    flycheck-completion-system 'ido))`` to your ``init.el``.
  - ``flycheck-count-errors`` counts errors of all levels now, and returns an
    alist mapping error symbols to error counts.

- New syntax checkers:

  - RST (ReStructuredText) using Sphinx
  - GNU Make [GH-321]

- New features:

  - Extend syntax checkers with ``flycheck-add-next-checkers`` [GH-266]

- Improvements:

  - Immediately re-check the buffer when it was changed during a syntax check
    [GH-301]
  - Do not defer syntax checker after idle change timeout [GH-305]
  - Do not use the generic ``rst`` syntax checker in Sphinx projects
    anymore, to avoid false positives by Sphinx-only markup
  - Check for more than just syntax errors in ``rust`` [GH-314]
  - ``chef-foodcritic`` supports ``enh-ruby-mode`` now

- Bug fixes

  - Do not attach syntax checker processes to the buffer anymore
    [GH-298]
  - Do not visit the file to check in ``emacs-lisp`` and
    ``emacs-lisp-checkdoc`` to avoid unintended side effects [GH-319]

0.16 (Jan 11, 2014)
-------------------

- **Breaking changes**:

  - Argument substitution is no longer performed on syntax checker
    executables. The executable must be a string.
  - Split out ``haskell-hdevtools`` into a separate package. See
    flycheck-hdevtools_ [GH-275]
  - Drop support for coffeelint 0.x
  - The error list is reimplemented on top of Tabulated List Mode.  This greatly
    changes the appearance and behaviour of the error list [GH-230]

- New syntax checkers:

  - Ruby with ``ruby-lint`` [GH-250]
  - Handlebars [GH-270]
  - YAML with ``yaml-jsyaml`` [GH-253]
  - Chef recipes with ``foodcritic`` [GH-255]
  - AsciiDoc [GH-276]
  - CFEngine [GH-271]
  - Racket [GH-277]
  - Texinfo
  - Verilog [GH-296]
  - Javascript with ``eslint`` [GH-291]
  - ERuby [GH-285]

- New features:

  - Define variables to override the executables of syntax checkers [GH-272]
  - Interactively set the executable of a syntax checker with
    ``flycheck-set-checker-executable`` [GH-272]
  - Disable syntax checkers easily with ``flycheck-disabled-checkers`` [GH-269]
  - Add support for the Compass CSS framework in the ``sass`` and ``scss``
    checkers, with ``flycheck-sass-compass`` and ``flycheck-scss-compass``
    respectively [GH-268]
  - Disable style checks in ``ruby-rubocop`` with ``flycheck-rubocop-lint-only``
    [GH-287]
  - Add support for Microsoft extensions in ``c/c++-clang`` via
    ``flycheck-clang-ms-extensions`` [GH-283]
  - New faces ``flycheck-error-list-info``, ``flycheck-error-list-warning``,
    ``flycheck-error-list-error``, ``flycheck-error-list-line-number`` and
    ``flycheck-error-list-column-number`` [GH-230]
  - Add ``flycheck-ghc-no-user-package-database`` to disable the user package
    database for ``haskell-ghc``
  - Add ``flycheck-ghc-package-databases`` to add additional package databases
    to ``haskell-ghc``
  - Add ``flycheck-ghc-search-path`` to add additional directories to the search
    path of ``haskell-ghc``

- Improvements:

  - Demote Rubocop convention messages to ``info`` level
  - Stop Flycheck before the buffer is reverted [GH-282]
  - Properly resolve local module imports in ``haskell-ghc``

- Bug fixes:

  - Make relative imports work with ``python-pylint`` [GH-280]
  - Fix parsing of errors in ``scss`` and ``sass``

.. _flycheck-hdevtools: https://github.com/flycheck/flycheck-hdevtools

0.15 (Nov 15, 2013)
-------------------

- Flycheck has a new home at https://github.com/flycheck/flycheck, the online
  manual moved to http://flycheck.github.io.

- **Breaking changes**:

  - Do not add the current directory to the ``emacs-lisp`` syntax checker load
    path
  - ``flycheck-list-errors`` cannot list errors at point anymore. It does not
    accept a prefix argument anymore, and takes zero arguments now [GH-214]
  - ``flycheck-display-errors-in-list`` is gone. The error list automatically
    highlights the error at point now [GH-214]
  - Remove obsolete ``flycheck-declare-checker``

- New syntax checkers:

  - YAML [GH-236]
  - Javascript with ``gjslint`` [GH-245]
  - Slim [GH-246]
  - PHP using ``phpmd`` [GH-249]

- New features:

  - Support IDO or Grizzl_ as completion systems for ``flycheck-select-checker``
    at ``C-c ! s``
  - Disable standard error navigation with
    ``flycheck-standard-error-navigation`` [GH-202]
  - Add ``flycheck-clang-language-standard`` to choose the language
    standard for C/C++ syntax checking [GH-207]
  - Add ``flycheck-clang-definitions`` to set additional definitions for C/C++
    syntax checking [GH-207]
  - Add ``flycheck-clang-no-rtti`` to disable RTTI for C/C++ syntax checking
    [GH-207]
  - Add new option cell ``option-flag`` for boolean flags in syntax checker
    commands
  - Add ``flycheck-clang-includes`` to include additional files for C/C++ syntax
    checking [GH-207]
  - Add configuration file variable ``flycheck-pylintrc`` for Pylint
  - New faces ``flycheck-error-list-highlight-at-point`` and
    ``flycheck-error-list-highlight`` to highlight the errors at point and at
    the current line respectively in the error list [GH-214]
  - The error list now automatically updates to show the errors of the current
    buffer [GH-214]
  - Define new error levels with ``flycheck-define-error-level`` [GH-212]
  - Add ``flycheck-clang-standard-library`` to choose the standard library for
    C/C++ syntax checking [GH-234]
  - Customize the delay for displaying errors via
    ``flycheck-display-errors-delay`` [GH-243]
  - Add ``info`` level for informational annotations by syntax checkers [GH-215]
  - Add a new symbol ``temporary-file-name`` to pass temporary file names to
    syntax checkers [GH-259]

- Improvements:

  - The error list now refreshes automatically after each syntax check [GH-214]
  - The errors at point are now automatically highlighted in the error list
    [GH-214]
  - ``emacs-lisp-checkdoc`` does not longer check ``.dir-locals.el`` files
  - Do not automatically check syntax in encrypted files [GH-222]
  - Parse notes from ``c/c++-clang`` into info level messages [GH-215]
  - Parse convention warnings from ``pylint`` to info level [GH-204]
  - Demote naming warnings from ``python-flake8`` to info level [GH-215]
  - Support ``enh-ruby-mode`` in Ruby syntax checkers [GH-256]
  - Parse columns from ``python-pylint`` errors
  - Do not compress temporary files for syntax checks if the original file was
    compressed

- Bug fixes:

  - Find local includes in the Clang syntax checker [GH-225]
  - Do not emit spurious flawed definition warning in the ``rst`` syntax checker
  - Handle abbreviated file names in ``luac`` output, by simply ignoring them
    [GH-251]
  - Correctly redirect the output binary of the ``go-build`` syntax checker
    [GH-259]
  - Fix Cppcheck parsing with the built-in Emacs XML parser [GH-263]

.. _Grizzl: https://github.com/grizzl/grizzl

0.14.1 (Aug 16, 2013)
---------------------

- Bug fixes:

  - Add a missing dependency [GH-194]

0.14 (Aug 15, 2013)
-------------------

- **Breaking changes**:

  - Introduce ``flycheck-define-checker`` and obsolete
    ``flycheck-declare-checker`` [GH-163]
  - Remove the obsolete ``flycheck-error-face`` and ``flycheck-warning-face``
  - Do not initialize packages by default in ``emacs-lisp`` syntax checker for
    non-configuration files [GH-176]
  - Change the default ``flycheck-highlighting-mode`` to ``symbols`` [GH-179]
  - Drop support for Pylint 0.x in ``python-pylint`` [GH-184]

- New features:

  - List errors at point only with prefix arg to ``flycheck-list-errors``
    [GH-166]
  - Add new display function ``flycheck-display-errors-in-list`` to display
    errors at point in the error list [GH-166]
  - New ``option-list`` argument cell to pass option lists to a syntax checker
  - New ``flycheck-emacs-lisp-load-path`` option to customize the ``load-path``
    used by the ``emacs-lisp`` syntax checker [GH-174]
  - New ``flycheck-emacs-lisp-initialize-packages`` option to initialize
    packages in the ``emacs-lisp`` syntax checker [GH-176]
  - New ``flycheck-emacs-lisp-package-user-dir`` option to configure the package
    directory for the ``emacs-lisp`` syntax checker [GH-176]
  - New option filter ``flycheck-option-comma-separated-list`` for options with
    comma separated lists as values
  - New highlighting mode ``symbols`` to highlight the symbol pointed to by an
    error [GH-179]

- New syntax checkers:

  - LESS [GH-160]
  - Haskell with ``ghc``, ``hdevtools`` and ``hlint`` [GH-162]
  - C/C++ with ``cppcheck`` [GH-170]
  - C/C++ with ``clang`` [GH-172]
  - CoffeeScript with ``coffee``
  - XML with ``xmllint`` [GH-180]
  - D with ``dmd`` [GH-167]

- Improvements:

  - Support Web Mode in ``html-tidy`` syntax checker [GH-157]
  - Support Rubocop 0.9 and drop support for older Rubocop releases [GH-159]
  - Include the message ID in error messages from ``python-pylint``

- Bug fixes:

  - Fix warnings about flawed definitions in ``emacs-lisp`` and
    ``emacs-lisp-checkdoc``, caused by faulty formatting of sexps
  - Refresh error lists when pressing ``g`` [GH-166]
  - Do not obscure active minibuffer input when displaying errors in the echo
    area [GH-175]
  - Fix universal prefix argument for ``flycheck-next-error`` at ``C-c ! n``
  - Correctly parse output of ``coffeelint`` 0.5.7 [GH-192]
  - Correctly parse output of ``pylint`` 1.0 [GH-184]

0.13 (Jun 28, 2013)
-------------------

- **Breaking changes**:

  - Obsolete ``flycheck-warning-face`` and ``flycheck-error-face`` in favor
    ``flycheck-warning`` and ``flycheck-error`` respectively
  - Obsolete ``:predicate`` forms in favor of ``:predicate`` functions
  - ``flycheck-def-config-file-var`` does not automatically mark variables as
    safe anymore

- New features:

  - Make fringe indicator faces customizable independently with
    ``flycheck-fringe-error`` and ``flycheck-fringe-warning``
  - Improve the default faces by using underlines instead of foreground colors,
    if possible
  - Customizable error processing with ``flycheck-process-error-functions``
    [GH-141]
  - Make the delay before starting a syntax check customizable via
    ``flycheck-idle-change-delay`` [GH-144]
  - Make display of errors under point customizable via
    ``flycheck-display-errors-function`` [GH-156]

- Improvements

  - Always highlight errors on top of warnings now
  - Do not trigger syntax checks in the middle of commands [GH-141]
  - Add the current directory to load path in the ``emacs-lisp`` syntax checker
  - Do not longer use the ``emacs-lisp-checkdoc`` syntax checker in Scratch
    buffers
  - Do not flush temporary files onto disk [GH-149]
  - Syntax checkers may have error patterns and error parser now
  - Predicate forms are now wrapped into functions and compiled into functions
    during byte compilation
  - Copy each message separately in ``flycheck-copy-messages-as-kill``
  - Mark some customizable variables as safe for file variable usage, most
    notably ``flycheck-indication-mode``, ``flycheck-highlighting-mode`` and
    ``flycheck-idle-change-delay``.

- Bug fixes:

  - Fix error when searching for a configuration file outside a Projectile
    project
  - Do not start a syntax check before the ``flycheck-mode-hook`` was run
  - Do not start automatic syntax checks if Flycheck Mode is disabled
  - Defer the initial syntax check until after the current interactive command
    [GH-143]
  - Correctly clean up information about running processes
  - Fix compatibility with Emacs 24.2 and earlier [GH-150]
  - Fix version information on Emacs trunk builds

0.12 (May 18, 2013)
-------------------

- New syntax checkers:

  - Ruby using ``jruby`` [GH-136]
  - Puppet [GH-138]

- New features:

  - Highlight error expressions by default, with the new ``sexps`` highlighting
    mode
  - Automatically check syntax some time after the last change in the buffer
    [GH-140]
  - Add ``flycheck-version`` to determine the installed Flycheck version
  - Add ``flycheck-list-errors``, mapped to ``C-c ! l``, to list all errors in a
    separate buffer

- Improvements:

  - Defer syntax checks while a buffer is reverted, to avoid race conditions

- Bug fixes:

  - Correctly parse syntax errors from JRuby [GH-136]

0.11 (May 01, 2013)
-------------------

- New syntax checkers:

  -  Scala [GH-124]

- New features:

  - Customizable error indication with control of the fringe side, via
    ``flycheck-indication-mode``
  - Customizable automatic syntax checking, via
    ``flycheck-check-syntax-automatically`` [GH-128]
  - Customizable configuration file search, via
    ``flycheck-locate-config-file-functions`` [GH-133]
  - Find configuration files in Projectile_ projects
  - Add ``flycheck-before-syntax-check-hook`` and
    ``flycheck-syntax-check-failed-hook``

- Improvements:

  - The ``ruby`` syntax checker now differentiates warnings from errors [GH-123]
  - Faces are now in a separate customization group

- Bug fixes:

  - Add missing customization group for syntax checker options

.. _Projectile: https://github.com/bbatsov/projectile

0.10 (Apr 21, 2013)
-------------------

- Flycheck uses ``cl-lib`` now. This library is built-in as of GNU Emacs
  24.3. For earlier releases of GNU Emacs 24 an additional compatibility library
  will be installed from GNU ELPA.

- New syntax checkers:

  - POSIX Shell script using ``bash`` [GH-112]
  - Ruby using ``rubocop`` [GH-113]
  - Elixir [GH-108]
  - Erlang [GH-122]

- Removed syntax checkers:

  - Python using Pyflakes. Use the superior Flake8 syntax checker [GH-115]

- New features:

  - Add ``flycheck-copy-messages-as-kill``, mapped to ``C-c ! C-w``, to copy all
    error messages under point into kill ring
  - Add ``flycheck-google-messages``, mapped to ``C-c ! /``, to google for error
    messages under point. Needs the `Google This`_ library
  - Syntax checkers can redirect output to a temporary directory now using the
    ``temporary-directory`` argument symbol

- Improvements:

  - Call option filters for ``nil`` values, too
  - Improve error parsing in Bash syntax checker [GH-112]
  - Error navigation does not cross restrictions in narrowed buffers anymore
  - Try to preserve the non-directory part of the buffer's file name when
    substituting the ``source`` symbol [GH-99]

- Bug fixes:

  -  Fix error highlighting and navigation in narrowed buffers
  -  Use a hopefully more reliable way to parse output of PHP
     CodeSniffer [GH-118]

.. _Google This: https://github.com/Malabarba/emacs-google-this

0.9 (Apr 13, 2013)
------------------

- New syntax checkers:

  - SCSS using ``scss`` [GH-103]
  - RST (ReStructuredText) using Docutils
  - Go using ``go build`` and ``go test`` [GH-107]

- Improvements:

  - Quit the error message window when navigating away from error locations

0.8 (Apr 9, 2013)
-----------------

- New syntax checkers:

  - Go using ``gofmt`` [GH-91]
  - Rust using ``rustc`` [GH-101]

- New features:

  - Add a global Flycheck mode. ``(global-flycheck-mode)`` is now the
    recommended way to enable Flycheck [GH-29]
  - Add support for syntax checker options [GH-72]
  - Add option for the coding standard used by the ``php-phpcs`` syntax checker
  - Add options for the maximum McCabe complexity and the maximum line length to
    ``python-flake8``

- Improvements:

  - Support McCabe warnings in ``python-flake8``
  - Support warnings from ``flake8`` 2
  - Show long error messages in a popup buffer [GH-94]
  - Show all error messages at point [GH-96]
  - Add support for naming warings from ``flake8`` 2 [GH-98]
  - Flycheck mode is not longer enabled for buffers whose names start with a
    space
  - Improve highlighting to reduce screen flickering [GH-100]

0.7.1 (Feb 23, 2013)
--------------------

- Bug fixes:

  - Do not signal errors from ``flycheck-mode`` [GH-87]
  - Correctly fall back to ``$HOME`` when searching configuration files
  - Correctly ascend to parent directory when searching configuration files

- API changes:

  - Rename ``config`` cell to ``config-file``
  - Allow to pass the result of ``config-file`` cells as single argument
  - Add support for evaluating Lisp forms in syntax checker commands [GH-86]

0.7 (Feb 14, 2013)
------------------

- New features:

  - Navigate to source of syntax checker declarations from syntax checker help
  - Add online Info manual [GH-60]

- Improvements:

  - Use pipes instead of TTYs to read output from syntax checkers
  - Defer syntax checks for invisible buffers [GH-80]
  - Immediately display error messages after error navigation [GH-62]

- Bug fixes:

  - Never select deleted buffers
  - Do not let the debugger interfere with necessary cleanup actions
  - Do not attempt to parse empty XML trees [GH-78]
  - Fix infinite recursion on Windows [GH-81]

0.6.1 (Jan 30, 2013)
--------------------

- Fix package dependencies

0.6 (Jan 29, 2013)
------------------

- New syntax checkers:

  - Emacs Lisp with ``checkdoc-current-buffer`` [GH-53]
  - PHP with PHP CodeSniffer [GH-72]

- Removed syntax checkers:

  - Javascript with ``jsl``

- New features:

  - Error navigation with ``next-error`` and ``previous-error`` [GH-26]
  - Fringe icons instead of error indicators [GH-33]
  - Menu entry for Flycheck [GH-59]
  - Customizable error highlighting, taking the column number into account
    [GH-35]
  - Configuration files for syntax checkers
  - Add configuration file support to the syntax checkers ``coffee-coffeelint``,
    ``html-tidy``, ``javascript-jshint``, ``pyton-flake8`` and ``tex-chktex``
  - Allow to compile a buffer with a syntax checker for testing purposes [GH-58]
  - Use multiple syntax checkers during a syntax check [GH-31]
  - Add dedicated help for syntax checkers [GH-52]

- Improvements:

  - Match error patterns in order of declaration [GH-55]

- Bug fixes:

  - Inherit highlighting faces from built-in faces [GH-24]
  - Correct error patterns of the HTML syntax checker [GH-36]
  - Detect syntax errors in the ``python-flake8`` syntax checker
    [GH-42]
  - Fix various regressions after introducing unit tests
  - Inhibit syntax checking during package installation [GH-45]
  - Disable syntax checking in Tramp buffers [GH-54]
  - Preserve whitespace in error messages [GH-65]

- API changes:

  - Replace syntax checker variables with syntax checker declarations [GH-41]
  - Support parsing errors with arbitrary functions instead of error patterns
    [GH-38]
  - Add an error parser for Checkstyle-like XML output [GH-38]

0.5 (Dec 28, 2012)
------------------

- New syntax checkers:

  - SASS [GH-15]
  - Perl [GH-21]
  - XML
  - Lua [GH-30]

- New features:

  - Support manual buffer-local selection of syntax checker [GH-25]
  - Add customizable error indicators [GH-28]
  - Echo error messages at point without 3rd-party libraries like
    flymake-cursor_ [GH-27]

- Improvements:

  - Remember the last automatically selected syntax checker [GH-24]

- Bug fixes:

  - Fix syntax checking of buffers without backing files [GH-19]

- API changes:

  - Replace underlying Flymake API with a custom syntax checking implementation
    [GH-15]

.. _flymake-cursor: https://www.emacswiki.org/emacs/FlymakeCursor

0.4 (Nov 21, 2012)
------------------

- Rename the project to Flycheck [GH-5]
- New syntax checkers

  - HAML [GH-9]
  - CSS [GH-9]
  - Javascript with ``jsl`` [GH-9]
  - Javascript with ``jshint`` [GH-16]
  - JSON [GH-12]
  - LaTeX with ``lacheck``

- Bug fixes:

   - Fix type error when checking compressed Emacs Lisp [GH-10]

0.3 (Nov 21, 2012)
------------------

- Replace ``flymake-mode`` with a custom syntax checking minor mode [GH-4]

0.2 (Oct 25, 2012)
------------------

- New syntax checkers:

  - PHP

- API changes:

  - Simplify syntax checker declarations [GH-2]

0.1 (Oct 11, 2012)
------------------

Initial release as flymake-checkers

- New syntax checkers:

  - TeX/LaTeX
  - Shell scripts
  - Python
  - Ruby
  - Coffeescript
  - Emacs Lisp