anchor.diff:        var html = jade.render('string of jade', options);
         // => '<string>of jade</string>'
   
  -  +funcHeading('renderFile', 'path')
  +  +funcHeading('renderFile', 'path', '[, callback]')
   
     dl.parameter-list
       dt path
  
positive.code:         </body>
        </html>
  
    +funcHeading('render', 'source')
  
    dl.parameter-list
      dt source
  
negative.code:     dt options
      dd.type.object: a(href='#options') options
      dd.description An options object, also used as the locals object
      dt callback
      dd.type.function function
      dd.description Node.js-style callback receiving the rendered results. #[strong This callback is called synchronously.]
    dl.returns
      dt returns
      dd.type.string string
  