anchor.diff:                           'fa-caret-right fa'
             SPAN
               style: {paddingLeft: 6}
  -            'Expand on your point'
  +            'Add supporting details'
   
           if @local.add_details
             DIV null, 
  
positive.code:           style: 
              padding: '0 0 .25em 9px'
              position: 'relative'
  
            IMG 
              src: "<%= asset_path 'drop_target.png' %>"
  
negative.code:       overflow: 'hidden'
        fontSize: 14
  
      guidelines_w = 235
  
      DIV
        className: 'edit_point'
        style: 
  