Qiita Markdownのコードブロックで指定できる言語は以下の通りです。
例えばCucumberを利用する場合は

```cucumber
...
```

のように指定してください。

Qiita Markdownについては Qiita Markdown をご覧下さい。

• Cucumber, cucumber, Gherkin, gherkin:
  • Gherkin (filenames *.feature)
• abap:
  • ABAP (filenames *.abap)
• ada, ada95ada2005:
  • Ada (filenames *.adb, *.ads, *.ada)
• ahk:
  • autohotkey (filenames *.ahk, *.ahkl)
• antlr-as, antlr-actionscript:
  • ANTLR With ActionScript Target (filenames *.G, *.g)
• antlr-cpp:
  • ANTLR With CPP Target (filenames *.G, *.g)
• antlr-csharp, antlr-c#:
  • ANTLR With C# Target (filenames *.G, *.g)
• antlr-java:
  • ANTLR With Java Target (filenames *.G, *.g)
• antlr-objc:
  • ANTLR With ObjectiveC Target (filenames *.G, *.g)
• antlr-perl:
  • ANTLR With Perl Target (filenames *.G, *.g)
• antlr-python:
  • ANTLR With Python Target (filenames *.G, *.g)
• antlr-ruby, antlr-rb:
  • ANTLR With Ruby Target (filenames *.G, *.g)
• antlr:
  • ANTLR
• apacheconf, aconf, apache:
  • ApacheConf (filenames .htaccess, apache.conf, apache2.conf)
• applescript:
  • AppleScript (filenames *.applescript)
• as, actionscript:
  • ActionScript (filenames *.as)
• as3, actionscript3:
  • ActionScript 3 (filenames *.as)
• aspx-cs:
  • aspx-cs (filenames *.aspx, *.asax, *.ascx, *.ashx, *.asmx, *.axd)
• aspx-vb:
  • aspx-vb (filenames *.aspx, *.asax, *.ascx, *.ashx, *.asmx, *.axd)
• asy, asymptote:
  • Asymptote (filenames *.asy)
• basemake:
  • Makefile
• bash, sh, ksh:
  • Bash (filenames *.sh, *.ksh, *.bash, *.ebuild, *.eclass)
• bat:
  • Batchfile (filenames *.bat, *.cmd)
• bbcode:
  • BBCode
• befunge:
  • Befunge (filenames *.befunge)
• blitzmax, bmax:
  • BlitzMax (filenames *.bmx)
• boo:
  • Boo (filenames *.boo)
• brainfuck, bf:
  • Brainfuck (filenames *.bf, *.b)
• c-objdump:
  • c-objdump (filenames *.c-objdump)
• c:
  • C (filenames *.c, *.h)
• cfm:
  • Coldfusion HTML (filenames *.cfm, *.cfml, *.cfc)
• cfs:
  • cfstatement
• cheetah, spitfire:
  • Cheetah (filenames *.tmpl, *.spt)
• clojure, clj:
  • Clojure (filenames *.clj)
• cmake:
  • CMake (filenames *.cmake, CMakeLists.txt)
• coffee-script, coffeescript:
  • CoffeeScript (filenames *.coffee)
• common-lisp, cl:
  • Common Lisp (filenames *.cl, *.lisp, *.el)
• console:
  • Bash Session (filenames *.sh-session)
• control:
  • Debian Control file (filenames control)
• cpp, c++:
  • C++ (filenames *.cpp, *.hpp, *.c++, *.h++, *.cc, *.hh, *.cxx, *.hxx)
• cpp-objdump, c++-objdumb, cxx-objdump:
  • cpp-objdump (filenames *.cpp-objdump, *.c++-objdump, *.cxx-objdump)
• csharp, c#:
  • C# (filenames *.cs)
• css+django, css+jinja:
  • CSS+Django/Jinja
• css+erb, css+ruby:
  • CSS+Ruby
• css+genshitext, css+genshi:
  • CSS+Genshi Text
• css+mako:
  • CSS+Mako
• css+myghty:
  • CSS+Myghty
• css+php:
  • CSS+PHP
• css+smarty:
  • CSS+Smarty
• css:
  • CSS (filenames *.css)
• cython, pyx:
  • Cython (filenames *.pyx, *.pxd, *.pxi)
• d-objdump:
  • d-objdump (filenames *.d-objdump)
• d:
  • D (filenames *.d, *.di)
• delphi, pas, pascal, objectpascal:
  • Delphi (filenames *.pas)
• diff, udiff:
  • Diff (filenames *.diff, *.patch)
• django, jinja:
  • Django/Jinja
• dpatch:
  • Darcs Patch (filenames *.dpatch, *.darcspatch)
• duel, Duel Engine, Duel View, JBST, jbst, JsonML+BST:
  • Duel (filenames *.duel, *.jbst)
• dylan:
  • Dylan (filenames *.dylan, *.dyl)
• erb:
  • ERB
• erl:
  • Erlang erl session (filenames *.erl-sh)
• erlang:
  • Erlang (filenames *.erl, *.hrl)
• evoque:
  • Evoque (filenames *.evoque)
• factor:
  • Factor (filenames *.factor)
• felix, flx:
  • Felix (filenames *.flx, *.flxh)
• fortran:
  • Fortran (filenames *.f, *.f90)
• fsharp
  • FSharp (filenames *.fs, *.fsi)
• gas:
  • GAS (filenames *.s, *.S)
• genshi, kid, xml+genshi, xml+kid:
  • Genshi (filenames *.kid)
• genshitext:
  • Genshi Text
• glsl:
  • GLSL (filenames *.vert, *.frag, *.geo)
• gnuplot:
  • Gnuplot (filenames *.plot, *.plt)
• go:
  • Go (filenames *.go)
• gooddata-cl:
  • GoodData-CL (filenames *.gdc)
• groff, nroff, man:
  • Groff (filenames *.[1234567], *.man)
• groovy: Groovy (filenames *.groovy)
• haml, HAML:
  • Haml (filenames *.haml)
• haskell, hs:
  • Haskell (filenames *.hs)
• html+cheetah, html+spitfire:
  • HTML+Cheetah
• html+django, html+jinja:
  • HTML+Django/Jinja
• html+evoque:
  • HTML+Evoque (filenames *.html)
• html+genshi, html+kid:
  • HTML+Genshi
• html+mako:
  • HTML+Mako
• html+myghty:
  • HTML+Myghty
• html+php:
  • HTML+PHP (filenames *.phtml)
• html+smarty:
  • HTML+Smarty
• html+velocity:
  • HTML+Velocity
• html:
  • HTML (filenames *.html, *.htm, *.xhtml, *.xslt)
• hx, haXe:
  • haXe (filenames *.hx)
• hybris, hy:
  • Hybris (filenames *.hy, *.hyb)
• ini, cfg:
  • INI (filenames *.ini, *.cfg)
• io:
  • Io (filenames *.io)
• ioke, ik:
  • Ioke (filenames *.ik)
• irc:
  • IRC logs (filenames *.weechatlog)
• jade, JADE:
  • Jade (filenames *.jade)
• java:
  • Java (filenames *.java)
• js+cheetah, javascript+cheetah, js+spitfire, javascript+spitfire:
  • JavaScript+Cheetah
• js+django, javascript+django, js+jinja, javascript+jinja:
  • JavaScript+Django/Jinja
• js+erb, javascript+erb, js+ruby, javascript+ruby:
  • JavaScript+Ruby
• js+genshitext, js+genshi, javascript+genshitext, javascript+genshi:
  • JavaScript+Genshi Text
• js+mako, javascript+mako:
  • JavaScript+Mako
• js+myghty, javascript+myghty:
  • JavaScript+Myghty
• js+php, javascript+php:
  • JavaScript+PHP
• js+smarty, javascript+smarty:
  • JavaScript+Smarty
• js, javascript:
  • JavaScript (filenames *.js)
• jsp:
  • Java Server Page (filenames *.jsp)
• lhs, literate-haskell:
  • Literate Haskell (filenames *.lhs)
• lighty, lighttpd:
  • Lighttpd configuration file
• llvm:
  • LLVM (filenames *.ll)
• logtalk:
  • Logtalk (filenames *.lgt)
• lua:
  • Lua (filenames *.lua, *.wlua)
• make, makefile, mf, bsdmake:
  • Makefile (filenames .mak, Makefile, makefile, Makefile., GNUmakefile)
• mako:
  • Mako (filenames *.mao)
• maql:
  • MAQL (filenames *.maql)
• mason:
  • Mason (filenames *.m, *.mhtml, *.mc, *.mi, autohandler, dhandler)
• matlab, octave:
  • Matlab (filenames *.m)
• matlabsession:
  • Matlab session
• minid:
  • MiniD (filenames *.md)
• modelica:
  • Modelica (filenames *.mo)
• modula2, m2:
  • Modula-2 (filenames *.def, *.mod)
• moocode:
  • MOOCode (filenames *.moo)
• mupad:
  • MuPAD (filenames *.mu)
• mxml:
  • MXML (filenames *.mxml)
• myghty:
  • Myghty (filenames *.myt, autodelegate)
• mysql:
  • MySQL
• nasm:
  • NASM (filenames *.asm, *.ASM)
• newspeak:
  • Newspeak (filenames *.ns2)
• nginx:
  • Nginx configuration file
• numpy:
  • NumPy
• objdump:
  • objdump (filenames *.objdump)
• objective-c, objectivec, obj-c, objc:
  • Objective-C (filenames *.m)
• objective-j, objectivej, obj-j, objj:
  • Objective-J (filenames *.j)
• ocaml:
  • OCaml (filenames *.ml, *.mli, *.mll, *.mly)
• ooc:
  • Ooc (filenames *.ooc)
• perl, pl:
  • Perl (filenames *.pl, *.pm)
• php, php3, php4, php5:
  • PHP (filenames *.php, *.php[345])
• postscript:
  • PostScript (filenames *.ps, *.eps)
• pot, po:
  • Gettext Catalog (filenames *.pot, *.po)
• pov:
  • POVRay (filenames *.pov, *.inc)
• prolog:
  • Prolog (filenames *.prolog, *.pro, *.pl)
• properties:
  • Properties (filenames *.properties)
• protobuf:
  • Protocol Buffer (filenames *.proto)
• py3tb:
  • Python 3.0 Traceback (filenames *.py3tb)
• pycon:
  • Python console session
• pytb:
  • Python Traceback (filenames *.pytb)
• python, py:
  • Python (filenames *.py, *.pyw, *.sc, SConstruct, SConscript, *.tac)
• python3, py3:
  • Python 3
• ragel-c:
  • Ragel in C Host (filenames *.rl)
• ragel-cpp:
  • Ragel in CPP Host (filenames *.rl)
• ragel-d:
  • Ragel in D Host (filenames *.rl)
• ragel-em:
  • Embedded Ragel (filenames *.rl)
• ragel-java:
  • Ragel in Java Host (filenames *.rl)
• ragel-objc:
  • Ragel in Objective C Host (filenames *.rl)
• ragel-ruby, ragel-rb:
  • Ragel in Ruby Host (filenames *.rl)
• ragel:
  • Ragel
• raw:
  • Raw token data
• rb, ruby, duby:
  • Ruby (filenames *.rb, *.rbw, Rakefile, *.rake, *.gemspec, *.rbx, *.duby)
• rbcon, irb:
  • Ruby irb session
• rconsole, rout:
  • RConsole (filenames *.Rout)
• rebol:
  • REBOL (filenames *.r, *.r3)
• redcode:
  • Redcode (filenames *.cw)
• rhtml, html+erb, html+ruby:
  • RHTML (filenames *.rhtml)
• rst, rest, restructuredtext:
  • reStructuredText (filenames *.rst, *.rest)
• sass, SASS:
  • Sass (filenames *.sass)
• scala:
  • Scala (filenames *.scala)
• scaml, SCAML:
  • Scaml (filenames *.scaml)
• scheme, scm:
  • Scheme (filenames *.scm)
• scss:
  • SCSS (filenames *.scss)
• smalltalk, squeak:
  • Smalltalk (filenames *.st)
• smarty:
  • Smarty (filenames *.tpl)
• sourceslist, sources.list:
  • Debian Sourcelist (filenames sources.list)
• splus, s, r:
  • S (filenames *.S, *.R)
• sql:
  • SQL (filenames *.sql)
• sqlite3:
  • sqlite3con (filenames *.sqlite3-console)
• squidconf, squid.conf, squid:
  • SquidConf (filenames squid.conf)
• ssp:
  • Scalate Server Page (filenames *.ssp)
• tcl:
  • Tcl (filenames *.tcl)
• tcsh, csh:
  • Tcsh (filenames *.tcsh, *.csh)
• tex, latex:
  • TeX (filenames *.tex, *.aux, *.toc)
• text:
  • Text only (filenames *.txt)
• trac-wiki, moin:
  • MoinMoin/Trac Wiki markup
• v:
  • verilog (filenames *.v, *.sv)
• vala, vapi:
  • Vala (filenames *.vala, *.vapi)
• vb.net, vbnet:
  • VB.net (filenames *.vb, *.bas)
• velocity:
  • Velocity (filenames *.vm, *.fhtml)
• vim:
  • VimL (filenames *.vim, .vimrc)
• xml+cheetah, xml+spitfire:
  • XML+Cheetah
• xml+django, xml+jinja:
  • XML+Django/Jinja
• xml+erb, xml+ruby:
  • XML+Ruby
• xml+evoque:
  • XML+Evoque (filenames *.xml)
• xml+mako:
  • XML+Mako
• xml+myghty:
  • XML+Myghty
• xml+php:
  • XML+PHP
• xml+smarty:
  • XML+Smarty
• xml+velocity:
  • XML+Velocity
• xml:
  • XML (filenames *.xml, *.xsl, *.rss, *.xslt, *.xsd, *.wsdl)
• xquery, xqy:
  • XQuery (filenames *.xqy, *.xquery)
• xslt:
  • XSLT (filenames *.xsl, *.xslt)
• yaml:
  • YAML (filenames *.yaml, *.yml)