anchor.diff:            p The optional autofocus param decides whether it should gain focus on page visit.
           +addQuestionForm()
   
  -    br
  -
       +javascriptIncludeTag("scripts.min")
positive.code:     +javascriptIncludeTag("modernizr.min")
      +stylesheetLinkTag("modern","screen")
      style.
        .example {
          padding: 2em 0;
        }
  
negative.code: 
  
    body
  
      .middle-container
        .example
          .documentation
            h2 Masthead signed out
            p Generated with mastheadSignedOut() mixin
          header(role="banner")
            +mastheadSignedOut
  
        .example
          .documentation
            h2 Masthead signed in
            p Generated with mastheadSignedIn() mixin
          header(role="banner")
            +mastheadSignedIn
  
        .example
          .documentation
  