islandora/islandora_collection/islandora_collection.module

<?php

/**
 * @file
 * This is the new Islandora Collection module.
 */

define('ISLANDORA_COLLECTION_BUNDLE', 'collection');

/**
 * Function for using a form.
 *
 * @param string $node
 *   The Drupal node.
 * @param array $form_state
 *   The Drupal form state.
 */
function islandora_collection_form($node, array &$form_state) {
  return node_content_form($node, $form_state);
}