Jekyll can handle either (and some other obscure ones): https://github.com/mojombo/jekyll/blob/23ad7fa4bde350e24a5bdbb7574d6027a0955fb7/lib/jekyll/configuration

Jekyll can handle either (and some other obscure ones): https://github.com/mojombo/jekyll/blob/23ad7fa4bde350e24a5bdbb7574d6027a0955fb7/lib/jekyll/configuration.rb#L39 https://github.com/mojombo/jekyll/blob/23ad7fa4bde350e24a5bd...