.erb, .rhtml none (included ruby stdlib) Interpolated String .str none (included ruby core) Erubis .erb, .rhtml, .erubis erubis Haml .haml haml Sass .sass haml (< 3.1) or sass (>= 3.1) Scss .scss haml (< 3.1) or sass (>= 3.1) Less CSS .less less Builder .builder builder Liquid .liquid liquid RDiscount .markdown, .mkd, .md rdiscount Redcarpet .markdown, .mkd, .md redcarpet BlueCloth .markdown, .mkd, .md bluecloth Kramdown .markdown, .mkd, .md kramdown Maruku .markdown, .mkd, .md maruku RedCloth .textile redcloth RDoc .rdoc rdoc Radius .radius radius Markaby .mab markaby Nokogiri .nokogiri nokogiri CoffeeScript .coffee coffee-script (+ javascript) Creole (Wiki markup) .wiki, .creole creole WikiCloth (Wiki markup) .wiki, .mediawiki, .mw wikicloth Yajl .yajl yajl-ruby Monday, September 26, 11