In 5.x this redefines the comment "delete" link to point somewhere else:

function module_link($type, $object = NULL) {
  if ($type == 'comment') {
    $links['comment_delete'] = array(
      'title' => t('delete'),
      'href' => 'other/delete/something',
    );
    return $links;
  }
}

In 6.x, it causes a WSOD after hanging for a few seconds. :(