public void addComment(String value)
  {
    if (value != null)  // we have something
    {
      String trimmed = value.trim() ;
      if (trimmed.length() > 0)
      {
        if (trimmed.charAt(0) == '#' ) // comment sign
        {
          comment.add( value ) ;
          after = 0 ;
          return ;
        }
        else
        {
          Logger.global.warning("no comment! >" + value ) ;
        }
      }
    }

    // not a comment -> empty line, increment the counters
    if (comment.size() > 0)
    {
      after++ ;
    }
    else
    {
      before++ ;
    }
  }