@Override
  public String toString() {
    return "Shred " +
           (prefix.isEmpty() ? "" : "prefix='"+prefix+"' ") +
           (suffix.isEmpty() ? "" : "suffix='"+suffix+"' ") +
           "in " + host + " with range " + host.getTextRange()+" ("+host.getClass()+") "+
           "inside range " + registeredRangeInsideHost;
  }
@Override
  public String toString()