anchor.diff:    var content = $("#edit-content").val();
     var do_update = false;
   
  +  set_preview_scroll();
  +  
     if (content != cur_content) {
       cur_content = content;
       do_update = true;
  
positive.code:     });
  }
  
  function update_status() {
    if (cur_content == last_saved_content) {
      if (last_save_timestamp == null) {
  
negative.code:     ms_diff *= -1;
    }
  
    if (ms_diff < 60 * 60 * 1000) {
      return Math.floor(ms_diff / (60 * 1000)) + " minutes ago"
    } else {
      return Math.floor(ms_diff / (60 * 60 * 1000)) + " hours ago"
  