docs: public String convertString(String string)
      {
          if (string.indexOf("<referral") != -1)
          {
              int iStart = string.indexOf("url=\"") + 5;
              int iEnd = string.indexOf('\"', iStart);
              if ((iStart != 4) && (iEnd != -1))
              {
                  String filename = string.substring(iStart, iEnd);
                  if (filename.indexOf(":/") == -1)
                  {
                      String stringFile = readFile(filename);
                      
                      if (stringFile != null)
                          string = "<!-- " + "Repository inlined from: " + filename  + " -->"
                              + "\n" + stringFile + "\n";
                  }        
              }
          }
          return string;
      }