- * @param int $max_depth The maximum hierarchical depth.
- * @param int $page_num The specific page number, beginning with 1.
- * @return string XHTML of the specified page of elements
- */
+ * @param array $elements
+ * @param int $max_depth The maximum hierarchical depth.
+ * @param int $page_num The specific page number, beginning with 1.
+ * @param int $per_page
+ * @return string XHTML of the specified page of elements
+ */