Editing Ruby (programming language) (section)

== References ==

{{reflist|refs=
<ref name="Julia">{{cite web | url = https://docs.julialang.org/en/stable/ | title = Julia 1.0 Documentation: Introduction | access-date = 6 October 2018 | archive-date = 16 August 2018 | archive-url = https://web.archive.org/web/20180816025550/https://docs.julialang.org/en/stable/ | url-status = dead }}</ref>
<ref name="Burks">{{cite web | url = http://programming.nu/about | title = About Nu™ | last = Burks | first = Tim | work = Programming Nu™ | publisher = Neon Design Technology, Inc. | access-date = 2011-07-21 | archive-date = 2018-12-25 | archive-url = https://web.archive.org/web/20181225131630/http://programming.nu/about%0A%20 | url-status = live }}</ref>
<ref name="Ring and other languages">{{cite web | url = http://ring-lang.sourceforge.net/doc1.6/introduction.html#ring-and-other-languages | title = Ring and other languages | author = Ring Team | date = 3 December 2017 | work = ring-lang.net | publisher = [[ring-lang]] | access-date = 3 December 2017 | archive-date = 25 December 2018 | archive-url = https://web.archive.org/web/20181225175312/http://ring-lang.sourceforge.net/doc1.6/introduction.html#ring-and-other-languages | url-status = live }}</ref>
<ref name="rust">{{Cite web |url=https://doc.rust-lang.org/reference/influences.html |title=Influences - The Rust Reference |website=The Rust Reference |access-date=2023-04-18 |archive-date=2019-01-26 |archive-url=https://web.archive.org/web/20190126051127/https://doc.rust-lang.org/reference/influences.html |url-status=live }}</ref>
<ref name="lattner2014">{{cite web | url = http://nondot.org/sabre/ | title = Chris Lattner's Homepage | last = Lattner | first = Chris | date = 2014-06-03 | access-date = 2014-06-03 | publisher = Chris Lattner | quote = The Swift language is the product of tireless effort from a team of language experts, documentation gurus, compiler optimization ninjas, and an incredibly important internal dogfooding group who provided feedback to help refine and battle-test ideas. Of course, it also greatly benefited from the experiences hard-won by many other languages in the field, drawing ideas from Objective-C, Rust, Haskell, Ruby, Python, C#, CLU, and far too many others to list. | archive-date = 2018-12-25 | archive-url = https://web.archive.org/web/20181225175312/http://nondot.org/sabre/ | url-status = live }}</ref>
<ref name="nov2pro">{{ cite book | last = Cooper | first = Peter | title = Beginning Ruby: From Novice to Professional | edition = 2nd | series = Beginning from Novice to Professional | year = 2009 | publisher = APress | location = Berkeley | isbn = 978-1-4302-2363-4 | page = 101 | quote = To a lesser extent, Python, LISP, Eiffel, Ada, and C++ have also influenced Ruby.}}</ref>
<ref name="confreaks">{{cite web | url = https://www.youtube.com/watch?v=vDnOBXD167k | title = Reasons behind Ruby | work = Ruby Conference 2008 | date = 15 April 2013 | publisher = Confreaks (YouTube) }}</ref>
<ref name="bini">{{ cite book | last = Bini | first = Ola | title = Practical JRuby on Rails Web 2.0 Projects: Bringing Ruby on Rails to Java | year = 2007 | publisher = APress | location = Berkeley | isbn = 978-1-59059-881-8 | page = [https://archive.org/details/practicaljrubyon0000bini/page/3 3] | quote = It draws primarily on features from Perl, Smalltalk, Python, Lisp, Dylan, and CLU. | url = https://archive.org/details/practicaljrubyon0000bini/page/3}}</ref>
<ref name="about">{{cite web|url=https://www.ruby-lang.org/en/about/|title=About Ruby|access-date=15 February 2020|archive-date=9 October 2014|archive-url=https://web.archive.org/web/20141009090312/https://www.ruby-lang.org/en/about/|url-status=live}}</ref>
<!-- <ref name="FAQ">{{cite web|url=https://www.ruby-lang.org/en/documentation/faq/|title=Official Ruby FAQ}}</ref> -->
<ref name="lisp-features">{{ cite web | url = http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/179642 | title = Re: Ruby's lisp features. | last = Matsumoto | first = Yukihiro | author-link = Yukihiro Matsumoto | date = 13 February 2006 | access-date = 15 February 2020 | url-status = dead | archive-url = https://web.archive.org/web/20181027195101/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/179642 | archive-date = 2018-10-27}}</ref>
<ref name="rubyconf-history-of-ruby">{{cite web|url=http://blog.nicksieger.com/articles/2006/10/20/rubyconf-history-of-ruby|title=History of Ruby|access-date=2008-08-14|archive-date=2011-07-14|archive-url=https://web.archive.org/web/20110714181409/http://blog.nicksieger.com/articles/2006/10/20/rubyconf-history-of-ruby|url-status=live}}</ref>
<ref name="ruby-name">{{cite web|url=http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/88819|title=[FYI: historic] The decisive moment of the language name Ruby. (Re: [ANN] ruby 1.8.1)|type=E-mail from Hiroshi Sugihara to ruby-talk|access-date=2008-08-14|archive-date=2011-07-17|archive-url=https://web.archive.org/web/20110717205734/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/88819|url-status=dead}}</ref>
<ref name="faq-name">{{cite web | url = https://www.ruby-lang.org/en/documentation/faq/1/ | title = 1.3 Why the name 'Ruby'? | work = Official Ruby FAQ }}</ref>
<ref name="ruby-talk-name">{{cite mailing list | url = http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/394 | title = Re: the name of Ruby? | mailing-list = Ruby-Talk | date = June 11, 1999 | author = [[Yukihiro Matsumoto]] | access-date = April 10, 2012 | archive-date = December 25, 2018 | archive-url = https://web.archive.org/web/20181225131629/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/394%0A%20 | url-status = dead }}</ref>
<ref name="0.95">{{ cite web|url=http://eigenclass.org/hiki/ruby+0.95|title=More archeolinguistics: unearthing proto-Ruby|access-date=2 May 2015|url-status=dead|archive-url=https://web.archive.org/web/20151106023204/http://eigenclass.org/hiki/ruby+0.95|archive-date=6 November 2015}}</ref>
<ref name="ruby-history">{{cite web|url=http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/382|title=[ruby-talk:00382] Re: history of ruby|access-date=2 May 2015|archive-date=16 July 2011|archive-url=https://web.archive.org/web/20110716133016/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/382|url-status=dead}}</ref>
<ref name="tutorial-features">{{cite web|url=http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-list/124|title=[ruby-list:124] TUTORIAL&nbsp;— ruby's features|access-date=2 May 2015|archive-date=24 May 2003|archive-url=https://web.archive.org/web/20030524071004/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-list/124|url-status=dead}}</ref>
<ref name="linuxdevcenter">{{cite web|url=http://www.linuxdevcenter.com/pub/a/linux/2001/11/29/ruby.html|title=An Interview with the Creator of Ruby|access-date=2007-07-11|archive-date=2008-02-08|archive-url=https://web.archive.org/web/20080208092724/http://www.linuxdevcenter.com/pub/a/linux/2001/11/29/ruby.html|url-status=live}}</ref>
<ref name="programming-ruby">{{cite web|url=http://ruby-doc.com/docs/ProgrammingRuby/html/foreword.html|title=Programming Ruby: Forward|author=Yukihiro Matsumoto|date=October 2000|access-date=5 March 2014|archive-date=25 December 2018|archive-url=https://web.archive.org/web/20181225131631/http://ruby-doc.com/docs/ProgrammingRuby/html/foreword.html|url-status=live}}</ref>
<ref name="1.8.7-retirement">{{cite web|url=https://www.ruby-lang.org/en/news/2013/06/30/we-retire-1-8-7/|title=We retire Ruby 1.8.7|access-date=2 May 2015|archive-date=6 June 2015|archive-url=https://web.archive.org/web/20150606075059/https://www.ruby-lang.org/en/news/2013/06/30/we-retire-1-8-7/|url-status=live}}</ref>
<ref name="JIS X 3017">{{cite web|url=http://www.ipa.go.jp/about/press/20110322.html|title=IPA 独立行政法人 情報処理推進機構：プレス発表 プログラム言語RubyのJIS規格（JIS X 3017）制定について|access-date=2 May 2015|archive-date=2 February 2015|archive-url=https://web.archive.org/web/20150202010444/http://www.ipa.go.jp/about/press/20110322.html|url-status=dead}}</ref>
<ref name="IPA">{{cite web|url=http://www.ipa.go.jp/about/press/20120402_2.html|title=IPA 独立行政法人 情報処理推進機構：プレス発表 プログラム言語Ruby、国際規格として承認|access-date=2 May 2015|archive-date=1 February 2015|archive-url=https://web.archive.org/web/20150201213420/http://www.ipa.go.jp/about/press/20120402_2.html|url-status=dead}}</ref>
<ref name="IEC 30170">{{cite web|url=https://www.iso.org/standard/59579.html|title=ISO/IEC 30170:2012|access-date=2017-03-10|archive-date=2017-03-12|archive-url=https://web.archive.org/web/20170312073333/https://www.iso.org/standard/59579.html|url-status=live}}</ref>
<ref name="Devarticles">[http://www.devarticles.com/c/a/Ruby-on-Rails/Web-Development-Ruby-on-Rails/ Web Development: Ruby on Rails] {{Webarchive|url=https://web.archive.org/web/20090224055407/http://www.devarticles.com/c/a/Ruby-on-Rails/Web-Development-Ruby-on-Rails/ |date=2009-02-24 }}. Devarticles.com (2007-03-22). Retrieved on 2013-07-17.</ref>
<ref name="Ruby 1.9.3">{{cite web | title = Ruby 1.9.3 p0 is released | url = https://www.ruby-lang.org/en/news/2011/10/31/ruby-1-9-3-p0-is-released/ | publisher = ruby-lang.org | date = October 31, 2011 | access-date = February 20, 2013 | archive-date = January 14, 2013 | archive-url = https://web.archive.org/web/20130114080108/http://www.ruby-lang.org/en/news/2011/10/31/ruby-1-9-3-p0-is-released/ | url-status = live }}</ref>
<ref name="license-change">{{cite web | title = v1_9_3_0/NEWS | url = https://svn.ruby-lang.org/repos/ruby/tags/v1_9_3_0/NEWS | work = Ruby [[Apache Subversion|Subversion]] source repository | publisher = ruby-lang.org | date = September 17, 2011 | access-date = February 20, 2013 | archive-date = November 6, 2015 | archive-url = https://web.archive.org/web/20151106023210/http://svn.ruby-lang.org/repos/ruby/tags/v1_9_3_0/NEWS | url-status = dead }}</ref>
<ref name="2-0-release-incompatibilities">Endoh, Yusuke. (2013-02-24) [http://www.ruby-lang.org/en/news/2013/02/24/ruby-2-0-0-p0-is-released/#label-8 Ruby 2.0.0-p0 is released] {{Webarchive|url=https://web.archive.org/web/20130227014031/http://www.ruby-lang.org/en/news/2013/02/24/ruby-2-0-0-p0-is-released/#label-8 |date=2013-02-27 }}. Ruby-lang.org. Retrieved on 2013-07-17.</ref>
<ref name="semantic-versioning">{{cite web|url=https://www.ruby-lang.org/en/news/2013/12/21/semantic-versioning-after-2-1-0/|title=Semantic Versioning starting with Ruby 2.1.0|date=December 21, 2013|access-date=December 27, 2013|archive-date=February 13, 2014|archive-url=https://web.archive.org/web/20140213000634/https://www.ruby-lang.org/en/news/2013/12/21/semantic-versioning-after-2-1-0/|url-status=dead}}</ref>
<ref name="obsolete-or-gone-in-2.2">{{cite web|url=https://github.com/ruby/ruby/blob/v2_2_0/NEWS|title=ruby/NEWS at v2_2_0 · ruby/ruby |work=GitHub|access-date=2 May 2015|archive-date=1 January 2015|archive-url=https://web.archive.org/web/20150101005836/https://github.com/ruby/ruby/blob/v2_2_0/NEWS|url-status=live}}</ref>
<ref name="2-2-1-release">{{cite web|url=https://www.ruby-lang.org/en/news/2015/03/03/ruby-2-2-1-released|title=Ruby 2.2.1 Released|access-date=12 July 2016|author=Gustavo Frederico Temple Pedrosa, Vitor de Lima, Leonardo Bianconi|year=2015|archive-date=16 May 2016|archive-url=https://web.archive.org/web/20160516080955/https://www.ruby-lang.org/en/news/2015/03/03/ruby-2-2-1-released/|url-status=live}}</ref>
<ref name="2-2-1-changelog">{{cite web|url=https://svn.ruby-lang.org/repos/ruby/tags/v2_2_1/ChangeLog|title=v2.2.1 ChangeLog|access-date=12 July 2016|author=Gustavo Frederico Temple Pedrosa, Vitor de Lima, Leonardo Bianconi|year=2015|archive-date=26 February 2017|archive-url=https://web.archive.org/web/20170226231425/http://svn.ruby-lang.org/repos/ruby/tags/v2_2_1/ChangeLog|url-status=dead}}</ref>
<ref name="Pedrosa-1">{{cite web|url=https://bugs.ruby-lang.org/issues/9997|title=Specifying non volatile registers for increase performance in ppc64|access-date=12 July 2016|author=Gustavo Frederico Temple Pedrosa, Vitor de Lima, Leonardo Bianconi|year=2014|archive-date=17 September 2016|archive-url=https://web.archive.org/web/20160917203452/https://bugs.ruby-lang.org/issues/9997|url-status=live}}</ref>
<ref name="Pedrosa-2">{{cite web|url=https://bugs.ruby-lang.org/issues/10081|title=Specifying MACRO for increase performance in ppc64|access-date=12 July 2016|author=Gustavo Frederico Temple Pedrosa, Vitor de Lima, Leonardo Bianconi|year=2014|archive-date=17 September 2016|archive-url=https://web.archive.org/web/20160917192140/https://bugs.ruby-lang.org/issues/10081|url-status=live}}</ref>
<ref name="frozen-strings">{{cite web|url=http://dev.mensfeld.pl/2015/11/ruby-2-3-0-changes-and-features/#frozen|title=Ruby 2.3.0 changes and features|work=Running with Ruby|date=14 November 2015|publisher=dev.mensfeld.pl|access-date=27 December 2015|archive-date=5 January 2016|archive-url=https://web.archive.org/web/20160105214701/http://dev.mensfeld.pl/2015/11/ruby-2-3-0-changes-and-features/#frozen|url-status=live}}</ref>
<ref name="Ruby 2.3.0 NEWS">{{cite web|url=https://github.com/ruby/ruby/blob/v2_3_0/NEWS|title=Ruby/NEWS at v.2_3_0 - ruby/ruby|work=GitHub|access-date=25 December 2015|archive-date=1 March 2017|archive-url=https://web.archive.org/web/20170301202700/https://github.com/ruby/ruby/blob/v2_3_0/NEWS|url-status=live}}</ref>
<ref name=":0">{{cite web|url=https://www.ruby-lang.org/en/news/2016/12/25/ruby-2-4-0-released/|title=Ruby 2.4.0 Released|website=www.ruby-lang.org|access-date=2016-12-30|archive-date=2017-02-17|archive-url=https://web.archive.org/web/20170217192238/http://www.ruby-lang.org/en/news/2016/12/25/ruby-2-4-0-released/|url-status=live}}</ref>
<ref name="Ruby 3.0.0 Released">{{cite web | url = https://www.ruby-lang.org/en/news/2020/12/25/ruby-3-0-0-released/ | title = Ruby 3.0.0 Released | website = Ruby Programming Language | date = 2020-12-25 | access-date = 2020-12-25 | archive-date = 2020-12-25 | archive-url = https://web.archive.org/web/20201225060348/https://www.ruby-lang.org/en/news/2020/12/25/ruby-3-0-0-released/ | url-status = live }}</ref>
<ref name="Ruby 3.1.0 Released">{{cite web | website=ruby-lang.org | url=https://www.ruby-lang.org/en/news/2021/12/25/ruby-3-1-0-released/ | title=Ruby 3.1.0 Released | access-date=25 Dec 2021 | archive-date=25 December 2021 | archive-url=https://web.archive.org/web/20211225142409/https://www.ruby-lang.org/en/news/2021/12/25/ruby-3-1-0-released/ | url-status=live }}</ref>
<ref name="informit">{{cite web|url=http://www.informit.com/articles/article.aspx?p=18225|title=The Ruby Programming Language|access-date=2 May 2015|archive-date=18 January 2020|archive-url=https://web.archive.org/web/20200118001224/http://www.informit.com/articles/article.aspx?p=18225|url-status=live}}</ref>
<ref name="googletechtalk">{{YouTube|oEkJvvGEtB4|Google Tech Talks&nbsp;– Ruby 1.9}}</ref>
<ref name="artima">{{cite web|url=http://www.artima.com/intv/ruby4.html|title=The Philosophy of Ruby|author=Bill Venners|access-date=2 May 2015|archive-date=5 July 2019|archive-url=https://web.archive.org/web/20190705113402/https://www.artima.com/intv/ruby4.html|url-status=live}}</ref>
<ref name="rubyweeklynews">{{ cite web|url=http://www.rubyweeklynews.org/20050529|title=Welcome to RUBYWEEKLYNEWS.ORG|date=4 July 2017|url-status=bot: unknown|archive-url=https://web.archive.org/web/20170704073422/http://www.rubyweeklynews.org/20050529|archive-date=4 July 2017}}</ref>
<ref name="stewart">{{cite web|url=https://linuxdevcenter.com/pub/a/linux/2001/11/29/ruby.html|title=An Interview with the Creator of Ruby|publisher=O'Reilly Media|author=Bruce Stewart|date=29 November 2001|access-date=2 May 2015|archive-date=6 May 2015|archive-url=https://web.archive.org/web/20150506152932/http://www.linuxdevcenter.com/pub/a/linux/2001/11/29/ruby.html|url-status=live}}</ref>
<ref name="venners-productivity">{{cite web|url=http://www.artima.com/intv/tuesday3.html|title=Dynamic Productivity with Ruby|author=Bill Venners|access-date=2 May 2015|archive-date=5 September 2015|archive-url=https://web.archive.org/web/20150905122654/http://www.artima.com/intv/tuesday3.html|url-status=live}}</ref>
<ref name="fowler-dsl">{{cite web|url=http://martinfowler.com/articles/languageWorkbench.html|title=Language Workbenches: The Killer-App for Domain Specific Languages?|work=martinfowler.com|access-date=2 May 2015|archive-date=2 May 2021|archive-url=https://web.archive.org/web/20210502155445/https://martinfowler.com/articles/languageWorkbench.html|url-status=live}}</ref>
<ref name="codeproject-dynamic">{{cite web|url=http://www.codeproject.com/useritems/Ruby_Dynamic_Methods.asp|title=Ruby&nbsp;– Add class methods at runtime|access-date=2007-11-01|archive-date=2007-09-22|archive-url=https://web.archive.org/web/20070922232049/http://www.codeproject.com/useritems/Ruby_Dynamic_Methods.asp|url-status=live}}</ref>
<ref name="venners-closures">{{cite web|url=http://www.artima.com/intv/closures.html|title=Blocks and Closures in Ruby|author=Bill Venners|access-date=2 May 2015|archive-date=18 April 2015|archive-url=https://web.archive.org/web/20150418162505/http://www.artima.com/intv/closures.html|url-status=live}}</ref>
<ref name="Methods">{{cite web|title=Methods|url=https://www.ruby-lang.org/en/documentation/faq/7/|website=Official Ruby FAQ|access-date=2021-06-20|archive-date=2022-06-28|archive-url=https://web.archive.org/web/20220628194402/https://www.ruby-lang.org/en/documentation/faq/7/|url-status=live}}</ref>
<ref name="stdlib-master">{{cite web | url = https://docs.ruby-lang.org/en/master/standard_library_md.html | title = Ruby Standard Library}}</ref>
<ref name="faq-comparison">{{cite web|url=http://www.rootr.net/rubyfaq-2.html|title=The Ruby Language FAQ: How Does Ruby Stack Up Against...?|access-date=2 May 2015|archive-date=8 May 2015|archive-url=https://web.archive.org/web/20150508051623/http://www.rootr.net/rubyfaq-2.html|url-status=live}}</ref>
<ref name="while">{{cite web|title=[ruby-talk:01120] Re: The value of while...|quote=In Ruby's syntax, statement is just a special case of an expression that cannot appear as an argument (e.g. multiple assignment).|url=http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/1120|access-date=2008-12-06|archive-date=2011-07-17|archive-url=https://web.archive.org/web/20110717205553/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/1120|url-status=dead}}</ref>
<ref name="precedence">{{cite web|title=[ruby-talk:02460] Re: Precedence question|quote=statement [...] can not be part of expression unless grouped within parentheses.|url=http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/2460|access-date=2008-12-06|archive-date=2004-07-22|archive-url=https://web.archive.org/web/20040722094000/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/2460|url-status=dead}}</ref>
<ref name="virtual-module">{{cite web|url=https://github.com/remore/virtual_module|title=remove/virtual_module: Born to make your Ruby Code more than 3x faster. Hopefully.|website=[[GitHub]]|date=21 February 2020|access-date=29 August 2016|archive-date=1 March 2017|archive-url=https://web.archive.org/web/20170301202355/https://github.com/remore/virtual_module|url-status=live}}</ref>
<ref name="Rubinius">{{cite web | url = http://www.rubyinside.com/the-why-what-and-how-of-rubinius-1-0-s-release-3261.html | title = The Why, What, and How of Rubinius 1.0's Release | author = Peter Cooper | date = 2010-05-18 | access-date = 2010-05-23 | archive-date = 2010-05-24 | archive-url = https://web.archive.org/web/20100524122253/http://www.rubyinside.com/the-why-what-and-how-of-rubinius-1-0-s-release-3261.html | url-status = live }}</ref>
<ref name="Stodte">{{ cite web|url=http://www-4.ibm.com/software/developer/library/ruby.html |title=IBM developerWorks&nbsp;– Ruby: a new language |author=Maya Stodte |date=February 2000 |access-date=3 March 2014 |url-status=dead |archive-url=https://web.archive.org/web/20000818164241/http://www-4.ibm.com/software/developer/library/ruby.html |archive-date=August 18, 2000 }}</ref>
<ref name="initial-development">{{cite web|url=http://osdir.com/ml/lang-ruby-general/2002-08/msg02494.html|title=lang-ruby-general: Re: question about Ruby initial development|author=Yukihiro Matsumoto|date=August 2002|access-date=3 March 2014|archive-date=3 March 2014|archive-url=https://web.archive.org/web/20140303174016/http://osdir.com/ml/lang-ruby-general/2002-08/msg02494.html|url-status=live}}</ref>

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<ref name="errors">{{ cite web|url=http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/170|title=ruby-talk: Re: hah, check these errors|author=Yukihiro Matsumoto|date=5 January 1999|access-date=3 March 2014}}</ref>
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<ref name=windows-phone>{{ cite web|url=http://msdn.microsoft.com/en-us/magazine/ff960707.aspx|title=Iron Ruby on Windows Phone 7}}</ref>
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<ref name="ruby-toolbox">{{cite web |url=https://www.ruby-toolbox.com/ |title=The Ruby Toolbox |access-date=2015-04-04 |archive-date=2015-04-03 |archive-url=https://web.archive.org/web/20150403032259/https://www.ruby-toolbox.com/ |url-status=live }}</ref>
<ref name="raa-retirement">{{cite web|url=https://www.ruby-lang.org/en/news/2013/08/08/rip-raa/|title=We retire raa.ruby-lang.org|date=2013-08-08|access-date=2016-01-03|archive-date=2015-12-31|archive-url=https://web.archive.org/web/20151231151747/http://www.ruby-lang.org/en/news/2013/08/08/rip-raa/|url-status=live}}</ref>
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