0.2
php specific

0.3
generalized plugin; modes; support for ruby, phpp, tex (chktex)

0.4
use vim compilers if available (e.g., tidy, xmllint ...); makeprg was 
restored in the wrong window

0.5
- Support for jsl (javascript lint).
- Support for jlint.
- Don't automatically check php files if eclim is installed.
- Allow auto_* parameters to be buffer local.
- FIX: Unlet current_compiler, use g:current_compiler
- FIX: garbled screen: use redraw! (thanks to Vincent de Lau)
- Support for lua (thanks to norman)

0.6
- checksyntax_compiler_{&ft} & checksyntax_cmd_{&ft} variables can be 
buffer local

1.0
- The info maintained as g:checksyntax_* variables is now kept in a 
dictionary named g:checksyntax
- Support for gjslint
- Some bug fixes (e.g. tidy)

version: "1.01"
  - Experimental support for python: pyflakes, pylint
  - redraw before calling CheckSyntaxSucceed/CheckSyntaxFail
  - Make sure we're in the right buffer
  MD5 checksum: f94781c5748200e809a28562a692ed6b

version: "1.02"
  - checksyntax#Check: Check &modified before anything else
  - .gitignore
  - Support for "modified" property
  - Check executable() when setting the *.auto property.
  - When eclim is installed: Set g:checksyntax.php.auto, not b:checksyntax.php.auto
  - Do not map `<F5>` if it is used already.
  - Use either location list (default) or optionally the quickfix list
  - CheckSyntaxFail(): call .Open(); fixes #6
  MD5 checksum: 4425f1434baa8795fbccec38721eef67

version: "1.03"
  - checksyntax#Check: Check &modified before anything else
  - .gitignore
  - Support for "modified" property
  - Check executable() when setting the *.auto property.
  - When eclim is installed: Set g:checksyntax.php.auto, not b:checksyntax.php.auto
  - Do not map `<F5>` if it is used already.
  - Use either location list (default) or optionally the quickfix list
  - CheckSyntaxFail(): call .Open(); fixes #6
  - Tackle issue #7 ... maybe
  - php is now forced to display parse errors even when in production mode
  - Rename s:prototypes to g:checksyntax#prototypes
  MD5 checksum: dfe8b09008f5106fdf7886d4c4cd5fb6

  - Enable syntax checks when loading a file (disabled by default)
  - g:checksyntax#auto_mode: Default auto mode (fixes #10)
  - g:checksyntax#debug
  - s:GetDef(ft): Remove syntax checker definition if the command is not executable
  - Fix duplicate errors (closes bug #7)
  - checksyntax#auto_mode: 0 disable, 1 enable, 2 force (fixes #12)
  - checksyntax: "if" and "alternatives" fields; removed g:checksyntax_javascript
  - define g:checksyntax in plugin/checksyntax.vim in order to facilitate customisation
  - s:GetDef(ft): If empty(rv), check if the rest of alternatives is empty
  - Move syntax checker definitions to autoload/checksyntax/&filetype.vim
  - php: run with php -l -d error_log= -d error_reporting=E_PARSE
  - Remove outdated references to failrx and okrx
  - Move syntax checker definitions to autoload/checksyntax/defs/
  - Experimental support for syntastic syntax checkers.
  - debug message
  - Support for SyntasticLoadChecker()
  - checksyntax#Require(): Return 0 if filetype is empty
  - efm for jruby (see https://github.com/tomtom/checksyntax_vim/pull/13)
  - Run php with "-d display_errors=0" (fixes #7)
  - php: Use -d display_errors=0
  - checksyntax#syntastic#Require(): Make sure not to replace existing defintions
  - Experimental: Prepare for running all valid alternatives
  - Prepare for run_alternatives == "all"
  - Javascript: Support for jslint (fixes #14)
  - Run multiple syntax checkers (fixes #15)
  - javascript: Remove run_alternatives = all
  - Improved running all alternatives
  - Improved support for syntastic syntax checkers (in conjunction with run_alternatives == all)
  - :CheckSyntax! runs all alternatives (not the alternative syntax checker); use g:checksyntax#preferred for selecting the preferred checker
  - checksyntax#Name(): Also consider the value of compiler
  - s:CompleteItem(): Improved display of error message
  - checksyntax#Alternative(): Define an alternative
  - Updated syntax checker definitions for java, php, python
  - checksyntax#syntastic#Require(): Use checksyntax#Alternative()
  - checksyntax#syntastic#Require(): handle yet undefined filetypes
  - Syntastic: Improved display of the checker name
  - Support for bash -n
  - Call bash -n only if shell =~ bash
  - Facilitate configuration of g:checksyntax#prototypes.
  - Map <c-f5> to CheckSyntax!
  MD5 checksum: dfe8b09008f5106fdf7886d4c4cd5fb6
version: "2.00"

  - Enable syntax checks when loading a file (disabled by default)
  - g:checksyntax#auto_mode: Default auto mode (fixes #10)
  - g:checksyntax#debug
  - s:GetDef(ft): Remove syntax checker definition if the command is not executable
  - Fix duplicate errors (closes bug #7)
  - checksyntax#auto_mode: 0 disable, 1 enable, 2 force (fixes #12)
  - checksyntax: "if" and "alternatives" fields; removed g:checksyntax_javascript
  - define g:checksyntax in plugin/checksyntax.vim in order to facilitate customisation
  - s:GetDef(ft): If empty(rv), check if the rest of alternatives is empty
  - Move syntax checker definitions to autoload/checksyntax/&filetype.vim
  - php: run with php -l -d error_log= -d error_reporting=E_PARSE
  - Remove outdated references to failrx and okrx
  - Move syntax checker definitions to autoload/checksyntax/defs/
  - Experimental support for syntastic syntax checkers.
  - debug message
  - Support for SyntasticLoadChecker()
  - checksyntax#Require(): Return 0 if filetype is empty
  - efm for jruby (see https://github.com/tomtom/checksyntax_vim/pull/13)
  - Run php with "-d display_errors=0" (fixes #7)
  - php: Use -d display_errors=0
  - checksyntax#syntastic#Require(): Make sure not to replace existing defintions
  - Experimental: Prepare for running all valid alternatives
  - Prepare for run_alternatives == "all"
  - Javascript: Support for jslint (fixes #14)
  - Run multiple syntax checkers (fixes #15)
  - javascript: Remove run_alternatives = all
  - Improved running all alternatives
  - Improved support for syntastic syntax checkers (in conjunction with run_alternatives == all)
  - :CheckSyntax! runs all alternatives (not the alternative syntax checker); use g:checksyntax#preferred for selecting the preferred checker
  - checksyntax#Name(): Also consider the value of compiler
  - s:CompleteItem(): Improved display of error message
  - checksyntax#Alternative(): Define an alternative
  - Updated syntax checker definitions for java, php, python
  - checksyntax#syntastic#Require(): Use checksyntax#Alternative()
  - checksyntax#syntastic#Require(): handle yet undefined filetypes
  - Syntastic: Improved display of the checker name
  - Support for bash -n
  - Call bash -n only if shell =~ bash
  - Facilitate configuration of g:checksyntax#prototypes.
  - Map <c-f5> to CheckSyntax!
  MD5 checksum: dfe8b09008f5106fdf7886d4c4cd5fb6
version: "2.00"

version: "2.01"
  - Extra syntax checker definitions was prematurely removed after running a single syntax checker
  - Facilitate customization of maps (g:checksyntax_key_single, g:checksyntax_key_all)
  - process_list attribute for syntax checker definitions
  - Support for R (lint::lint, svTools::lint)
  - s:Executable(): Run executable() only once
  - SyntasticLoadChecker(): Accept filetype as optional argument
  - Support for jshint
  MD5 checksum: 617a9cc8fd1fac7533e75b721106f2ad

  - Support for perl (by TheAthlete)
  - s:Make(): Echo v:exception & v:throwpoint
  - checksyntax#Alternative(): Copy top-level properties
  - Don't change the checker definition when dealing with alternatives (reported by techlivezheng)
  MD5 checksum: d2d95bcff1d039497bc9c95cdb7a0ea1
version: "2.02"

version: "2.03"
  - Included missing files in vba (fixes #16)
  MD5 checksum: 40c9ea31d916db1ff5f22ec1c4af14c3

version: "3.00"
  - addon-info
  - Help template
  - g:checksyntax#preferred defaults to {'xml': '.'}
  - g:checksyntax['xml'] use auto: 0 for xmllint
  - javascript: Support for esvalidate (esprima)
  - javascript: default to jshint
  - Support for running checkers asynchronously (requires the AsyncCommand vim plugin)
  - Updated errorformat for jslint 0.2.7
  - Support for typescript compiler (requires https://github.com/leafgarland/typescript-vim)
  - Experimental: Enable async processing when performing a full check (:CheckSyntax!) if AsyncCommand is installed
  - checksyntax#Check(): When mixing async & sync processing, don't show issue list if a check is still pending
  - When mixing sync & async & no pending checks: Include async results in sync results
  - Removed support for syntastic
  - async_handler.get(): Properly handle issues list when the last check yielded no new issues
  - Use job_ids to check for pending tasks
  - g:checksyntax#async_runner and related vars is set based on exists(':AsyncMake')
  - Show info about pending jobs (also support toptions_vim)
  - Correctly handle makeprgs with full filename
  - GetList(): Correctly handle "process_list" property
  - r options: Add --ess
  - Reset pending tasks, when calling CheckSyntax before all async tasks were completed
  - Improved integration with toptions_vim
  - R checker defaults to codetools::checkUsage
  - Tentative integration with airline
  - Support for tstatus (replaces toptions)
  MD5 checksum: c9a7ae5304038568ea2309ed13c8ed96