- if title?
  .title=captioned_title
- nowrap = !(@document.attr? :prewrap) || (option? 'nowrap')
/ implicit listing blocks and source blocks are rendered as code
/ explicit listing blocks stay listing
- if @style == 'source' || (@style == 'listing' && attributes[1] != 'listing')
  - language = attr :language
  - code_class = language ? [language, "language-#{language}"] : nil
  - pre_class = ['highlight']
  - pre_lang = nil
  - code_noescape = false
  - case document.attr 'source-highlighter'
  - when 'coderay'
    - pre_class = ['CodeRay']
  - when 'pygments'
    - pre_class = ['pygments','highlight']
  - when 'prettify'
    - pre_class = ['prettyprint']
    - pre_class << 'linenums' if attr? :linenums
    - pre_class << language if language
    - pre_class << "language-#{language}" if language
    - code_class = nil
  - when 'html-pipeline'
    - pre_lang = language
    - pre_class = code_class = nil
    - nowrap = false
  - when 'highlightjs', 'highlight.js'
    - code_noescape=true
  - pre_class << 'nowrap' if nowrap
  - pre_class << 'listingblock'
  - pre_class << role if role
  pre class=pre_class lang=pre_lang id=@id
    code data-noescape=code_noescape class=code_class =content
- else
  pre class=(nowrap ? 'nowrap' : nil) =content