anchor.diff:        String trackerHostName = jobDetails[0];
         String trackerStartTime = jobDetails[1];
         String jobId = jobDetails[2] + "_" +jobDetails[3] + "_" + jobDetails[4] ;
  -      String user = jobDetails[5];
  +      String userName = jobDetails[5];
         String jobName = jobDetails[6];
         
         // Check if the job is already displayed. There can be multiple job 
  
positive.code:       out.print("<td>" + user + "</td>"); 
        out.print("</tr>");
      }
  %> 
  </body></html>
  
negative.code:     out.print("</tr>"); 
      
      Set<String> displayedJobs = new HashSet<String>();
      for (int i = start - 1; i < start + length - 1; ++i) {
        Path jobFile = jobFiles[i];
        
        String decodedJobFileName = 
            JobHistory.JobInfo.decodeJobHistoryFileName(jobFile.getName());
  
  