anchor.diff:    CodeInfoNode({this.description: "", this.generatedCode});
   
     void emitHtml(ProgramInfo programInfo, StringBuffer buffer) {
  +    buffer.write('\n');
       buffer.write(div(description + ' ' +
                        sizeDescription(generatedCode.length, programInfo),
                        cls: 'kind') +
  
positive.code:       }
        buffer.write("</div>");
      } else {
        buffer.writeln(describe);
      }
    }
  }
  
negative.code:   <head>
      <title>Dart2JS compilation information</title>
         <style>
           code {margin-left: 20px; display: block; white-space: pre; }
           div.container, div.contained, div.element, div.attr {
             margin-top:0px;
             margin-bottom: 0px;
           }
           div.container, div.element, div.attr {
             white-space: pre;
           }
           div.contained {margin-left: 20px;}
           div {/*border: 1px solid;*/}
           span.kind {}
           span.modifiers {font-weight:bold;}
           span.name {font-weight:bold; font-family: monospace;}
  