version 1.9.1: 2015-07-13

• new lexer: powershell (thanks @aaroneg!)
• new lexer: tulip
• bugfix: pass opts through so lex(continue: true) retains them (thanks @stanhu!)
• c#: bugfix: don't error on unknown states in the C# lexer
• php: match drupal file extensions (thanks @rumpelsepp!)
• prolog: allow camelCase atoms (thanks @mumuki!)
• c: bugfix: was dropping text in function declarations (thanks @JonathonReinhart!)
• groovy: bugfix: allow comments at eof without newline

version 1.9.0: 2015-05-19

• objc: add array literals (thanks @mehowte)

• slim: reset ruby and html lexers, be less eager with guessing, detect html entities (thanks @elstgav)

• js: add yield as a keyword (thanks @honzabrecka)

• elixir: add alias exs (thanks @ismaelga)

• json: lex object keys as Name::Tag (thanks @morganjbruce)

• swift: add support for @noescape and @autoclosure(escaping) (thanks @radex) and make as? and as! look better

• sass/scss: add support for @each, @return, @media, and @function (thanks @i-like-robots)

• diff: make the whole thing more forgiving and less buggy (thanks @rumpelsepp)

• c++: add arduino file mappings and also Berksfile (thanks @Razer6)

• liquid: fix #237 which was dropping content (thanks @RadLikeWhoa)

• json: add json-api mime type (thanks @brettchalupa)

• new lexer: glsl (thanks @sriharshachilakapati)

• new lexer: json-doc, which is like JSON but supports comments and ellipsis (thanks @textshell)

• add documentation to the --formatter option in rougify help (thanks @mjbshaw)

• new website! http://rouge.jneen.net/ (thanks @edwardloveall!)

version 1.8.0: 2015-02-01

• css: fix "empty range in char class" bug and improve id/class name matches (#227/#228). Thanks @elstgav!
• swift: add @objc_block and fix eof comments (#226). Thanks @radex!
• new lexer: liquid (#224). Thanks @RadLikeWhoa!
• cli: add -v flag to print version (#225). Thanks @RadLikeWhoa!
• ruby: add alias_method as a builtin (#223). Thanks @kochd!
• more conservative guessing for R, eliminate the .S extension
• new theme: molokai (#220). Thanks @kochd!
• allow literate haskell that doesn't end in eof
• add human-readable "title" attribute to lexers (#215). Thanks @edwardloveall!
• swift: add support for preprocessor macros (#201). Thanks @mipsitan!

version 1.7.7: 2014-12-24

• fix previous bad release: actually add yaml files to the gem

version 1.7.5: 2014-12-24

lexer fixes and tweaks:

• javascript: fix function literals in object literals (reported by @taye)
• css: fix for percentage values and add more units (thanks @taye)
• ruby: highlight require_relative as a builtin (thanks @NARKOZ)

new lexers:

• nim (thanks @singularperturbation)
• apache (thanks @iiska)

new filetype associations:

• highlight PKGBUILD as shell (thanks @rumpelsepp)
• highlight Podspec files as ruby (thanks @NARKOZ)

other:

• lots of doc work in the README (thanks @rumpelsepp)

version 1.7.4: 2014-11-23

• clojure: hotfix for namespaced keywords with ::
• background fix: add css class to pre tag instead of code tag (#191)
• new name in readme and license
• new contributor code of conduct

version 1.7.3: 2014-11-15

• ruby: hotfix for symbols in method calling position (rubyyyyy.......)
• http: add PATCH as a verb
• new lexer: Dart (thanks @R1der!)
• null formatter now prints token names and values

version 1.7.2: 2014-10-04

• ruby: hotfix for division with no space

version 1.7.1: 2014-09-18

• ruby: hotfix for the /= operator

version 1.7.0: 2014-09-18

• ruby: give up on trying to highlight capitalized builtin methods
• swift: updates for beta 6 (thanks @radex!) (#174, #172)
• support ASCII-8BIT encoding found on macs, as it's a subset of UTF-8 (#178)
• redcarpet plugin [BREAKING]: change #rouge_formatter's override pattern
  • it is now a method that takes a lexer and returns a formatter, instead of a hash of generated options. (thanks @vince-styling!)
• java: stop erroneously highlighting keywords within words (thanks @koron!) (#177)
• html: dash is allowed in tag names (thanks @tjgrathwell!) (#173)

version 1.6.2: 2014-08-16

• swift: updates for beta 5 (thanks @radex!)

version 1.6.1: 2014-07-26

• hotfix release for common lisp, php, objective c, and qml lexers

version 1.6.0: 2014-07-26

• haml: balance braces in interpolation
• new lexer: slim (thanks @knutaldrin and @greggroth!)
• javascript: inner tokens in regexes are now lexed, as well as improvments to the block / object distinction.

version 1.5.1: 2014-07-13

• ruby bugfixes for symbol edgecases and one-letter constants
• utf-8 all of the things
• update all builtins
• rust: add box keyword and associated builtins

version 1.5.0: 2014-07-11

• new lexer: swift (thanks @totocaster!)
• update elixir for new upstream features (thanks @splattael!)
• ruby bugfixes:
  • add support for method calls with trailing dots
  • fix for foo[bar] / baz being highlighted as a regex
• terminal256 formatter: re-style each line - some platforms reset on each line

version 1.4.0: 2014-05-28

• breaking: wrap code in <pre ...><code>...</code></pre> if :wrap is not overridden (thanks @Arcovion)
• Allow passing a theme name as a string to :inline_theme (thanks @Arcovion)
• Add :start_line option for html line numbers (thanks @sencer)
• List available themes in rougify help style

version 1.3.4: 2014-05-03

• New lexers:
  • QML (thanks @seanchas116)
  • Applescript (thanks @joshhepworth)
  • Properties (thanks @pkuczynski)
• Ruby bugfix for { key: /regex/ } (#134)
• JSON bugfix: properly highlight null (thanks @zsalzbank)
• Implement a noop formatter for perf testing (thanks @splattael)

version 1.3.3: 2014-03-02

• prolog bugfix: was raising an error on some inputs (#126)
• python bugfix: was inconsistently highlighting keywords/builtins mid-word (#127)
• html formatter: always end output with a newline (#125)

version 1.3.2: 2014-01-13

• Now tested in Ruby 2.1
• C family bugfix: allow exponential floats without decimals (1e-2)
• cpp: allow single quotes as digit separators (100'000'000)
• ruby: highlight %= as an operator in the right context

version 1.3.1: 2013-12-23

• fill in some lexer descriptions and add the behat alias for gherkin

version 1.3.0: 2013-12-23

• assorted CLI bugfixes: better error handling, CGI-style options, no loadpath munging
• html: support multiline doctypes
• ocaml: bugfix for OO code: allows # as an operator
• inline some styles in tableized output instead of relying on the theme
• redcarpet: add overrideable #rouge_formatter for custom formatting options

version 1.2.0: 2013-11-26

• New lexers:
  • MATLAB (thanks @adambard!)
  • Scala (thanks @sgrif!)
  • Standard ML (sml)
  • OCaml
• Major performance overhaul, now ~2x faster (see #114) (thanks @korny!)
• Deprecate RegexLexer#group (internal). Use #groups instead.
• Updated PHP builtins
• CLI now responds to rougify --version

version 1.1.0: 2013-11-04

• For tableized line numbers, the table is no longer surrounded by a <pre> tag, which is invalid HTML. This was previously causing issues with HTML post-processors such as loofah. This may break some stylesheets, as it changes the generated markup, but stylesheets only referring to the scope passed to the formatter should be unaffected.
• New lexer: moonscript (thanks @nilnor!)
• New theme: monokai, for real this time! (thanks @3100!)
• Fix intermittent loading errors for good with Lexer.load_const, which closes the long-standing #66

version 1.0.0: 2013-09-28

• lua: encoding bugfix, and a performance tweak for string literals
• The Big 1.0! From now on, strict semver will apply, and new lexers and features will be introduced in minor releases, reserving patch releases for bugfixes.

version 0.5.4: 2013-09-21

• Cleaned up stray invalid error tokens
• Fix C++/objc loading bug in rougify
• Guessing alg tweaks: don't give up if no filename or mimetype matches
• Rebuilt the CLI without thor (removed the thor dependency)
• objc: Bugfix for :forward_classname error tokens

version 0.5.3: 2013-09-15

• Critical bugfixes (#98 and #99) for Ruby and Markdown. Some inputs would throw errors. (thanks @hrysd!)

version 0.5.2: 2013-09-15

• Bugfixes for C/C++
• Major bugfix: YAML was in a broken state :\ (thanks @hrysd!)
• Implement lexer subclassing, with append and prepend
• new lexer: objective c (!)

version 0.5.1: 2013-09-15

• Fix non-default themes (thanks @tiroc!)
• Minor lexing bugfixes in ruby

version 0.5.0: 2013-09-02

• Various performance optimizations
• javascript:
  • quoted object keys were not being highlighted correctly
  • multiline comments were not being highlighted
• common lisp: fix commented forms
• golang: performance bump
• ruby: fix edge case for def-@
• c: fix a pathological performance case
• fix line number alignment on non-newline-terminated code (#91)

Breaking API Changes in v0.5.0

• Rouge::Lexers::Text renamed to Rouge::Lexers::PlainText
• Tokens are now constants, rather than strings. This only affects you if you've written a custom lexer, formatter, or theme.

version 0.4.0: 2013-08-14

• Add the :inline_theme option to Formatters::HTML for environments that don't support stylesheets (like super-old email clients)
• Improve documentation of Formatters::HTML options
• bugfix: don't include subsequent whitespace in an elixir keyword. In certain fonts/themes, this can cause inconsistent indentation if bold spaces are wider than non-bold spaces. (thanks @splattael!)

version 0.3.10: 2013-07-31

• Add the license key in the gemspec
• new lexer: R

version 0.3.9: 2013-07-19

• new lexers:
  • elixir (thanks @splattael!)
  • racket (thanks @greghendershott!)

version 0.3.8: 2013-07-02

• new lexers:
  • erlang! (thanks @potomak!)
  • http (with content-type based delegation)
• bugfix: highlight true and false in JSON

version 0.3.7: 2013-06-07

• bugfix: Add the local lib dir to the path in ./bin/rougify so the internal require works properly.
• php: Properly lex variables in double-quoted strings and provide the correct token for heredocs (thanks @hrysd!)
• Add a :wrap option to the html formatter (default true) to provide the <pre> wrapper. This allows skipping the wrapper entirely for postprocessing. (thanks @cjohansen!)

version 0.3.6: 2013-05-27

• fixed bad release that included unfinished D and wdiff lexers :\

version 0.3.5: 2013-05-24

• Added a github theme (thanks @simonc!) (#75)
• Correctly highlight ruby 1.9-style symbols and %i() syntax (thanks @simonc!) (#74)
• Fixed a performance bug in the C++ lexer (#73) reported by @jeffgran

version 0.3.4: 2013-05-02

• New lexer: go (thanks @hashmal!)
• Clojure bugfix: allow # in keywords and symbols

version 0.3.3: 2013-04-09

• Basic prompt support in the shell lexer
• Add CSS3 attributes to CSS/Sass/SCSS lexers
• Bugfix for a crash in the vim lexer

version 0.3.2: 2013-03-11

• Another hotfix release for the Sass/SCSS lexers, because I am being dumb

version 0.3.1: 2013-03-11

• Hotfix release: fix errors loading the SCSS lexer on some systems.

version 0.3.0: 2013-03-06

• Refactor source guessing to return fewer false positives, and to be better at disambiguating between filename matches (such as nginx.conf vs. *.conf, or *.pl for both prolog and perl)
• Added Lexer.guesses which can return multiple or zero results for a guess.
• Fix number literals in C#
• New lexers:
  • Gherkin (cucumber)
  • Prolog (@coffeejunk)
  • LLVM (@coffeejunk)

version 0.2.15: 2013-03-03

• New lexer: lua (thanks, @nathany!)
• Add extra filetypes that map to Ruby (Capfile, Vagrantfile, *.ru and *.prawn) (@nathany)
• Bugfix: add demos for ini and toml
• The thankful_eyes theme now colors Literal.Date
• No more gigantic load list in lib/rouge.rb

version 0.2.14: 2013-02-28

• New lexers:
  • puppet
  • literate coffeescript
  • literate haskell
  • ini
  • toml (@coffeejunk)
• clojure: cljs alias, and make it more visually balanced by using Name instead of Name.Variable.
• Stop trying to read /etc/bash.bashrc in the specs (@coffeejunk)

version 0.2.13: 2013-02-12

• Highlight ClojureScipt files (*.cljs) as Clojure (@blom)
• README and doc enhancements (plus an actual wiki!) (@robin850)
• Don't open Regexp, especially if we're not adding anything to it.

version 0.2.12: 2013-02-07

• Python: bugfix for lone quotes in triple-quoted strings
• Ruby: bugfix for # in %-delimited strings

version 0.2.11: 2013-02-04

• New lexer: C# (csharp)
• rust: better macro handling
• Python bugfix for "'" and '"' (@garybernhardt)

version 0.2.10: 2013-01-14

• New lexer: rust (rust-lang.org)
• Include rouge.gemspec with the built gem
• Update the PHP builtins

version 0.2.9: 2012-11-28

• New lexers: io, sed, conf, and nginx
• fixed an error on numbers in the shell lexer
• performance bumps for shell and ruby by prioritizing more common patterns
• (@korny) Future-proofed the regexes in the Perl lexer
• rougify now streams the formatted text to stdout as it's available instead of waiting for the lex to be done.

version 0.2.8: 2012-10-30

• Bugfix for tableized line numbers when the code doesn't end with a newline.

version 0.2.7: 2012-10-22

• Major performance improvements. 80% running time reduction for some files since v0.2.5 (thanks again @korny!)
• Deprecated postprocess for performance reasons - it wasn't that useful in the first place.
• The shell lexer should now recognize .bashrc, .profile and friends

version 0.2.6: 2012-10-21

• coffeescript: don't yield error tokens for keywords as attributes
• add the --scope=SELECTOR option to rougify style
• Add the :line_numbers option to the HTML formatter to get line numbers! The styling for the line numbers is determined by the theme's styling for 'Generic.Lineno'
• Massive performance improvements by reducing calls to option and to Regexp#source (@korny)

version 0.2.5: 2012-10-20

• hotfix: ship the demos with the gem.

version 0.2.4: 2012-10-20

• Several improvements to the javasript and scheme lexers
• Lexer.demo, with small demos for each lexer
• Rouge.highlight takes a string for the formatter
• Formatter.format delegates to the instance
• sass: Support the @extend syntax, fix new-style attributes, and support 3.2 placeholder syntax

version 0.2.3: 2012-10-16

• Fixed several postprocessing-related bugs
• New lexers: coffeescript, sass, smalltalk, handlebars/mustache

version 0.2.2: 2012-10-13

• In terminal256, stop highlighting backgrounds of text-like tokens
• Fix a bug which was breaking guessing with filenames beginning with .
• Fix the require path for redcarpet in the README (@JustinCampbell)
• New lexers: clojure, groovy, sass, scss
• YAML: detect files with the %YAML directive
• Fail fast for non-UTF-8 strings
• Formatter#render deprecated, renamed to Formatter#format. To be removed in v0.3.
• Lexer#tag delegates to the class
• Better keyword/builtin highlighting for CSS
• Add the :token option to the text lexer

version 0.2.1: 2012-10-11

• Began the changelog
• Removed several unused methods and features from Lexer and RegexLexer
• Added a lexer for SQL
• Added a lexer for VimL, along with rake builtins:vim
• Added documentation for RegexLexer, TextAnalyzer, and the formatters
• Refactored rake phpbuiltins - renamed to rake builtins:php
• Fixed a major bug in the Ruby lexer that prevented highlighting the module keyword.
• Changed the default formatter for the rougify executable to terminal256.
• Implemented rougify list, and added short descriptions to all of the lexers.
• Fixed a bug in the C lexer that was yielding error tokens in case statements.