anchor.diff:            li String templating
   
         section
  -        h2 Compilation Target
  +        h1 JavaScript as a Platform
   
         section
           ul
  
positive.code: 
        section
          div(class='language')
            h2 Modern language
          div(id='target')
            h2 Compilation Target
          div(id='ecosystem')
            h2 Expanding Ecosystem
  
  
negative.code:             pre
                code.language-javascript.
                  void sayHello(String name) {
                      print("hello " + name);
                  }
  
        section
  