solución de paginación

<?php
$sql = "SELECT DISTINCT td.name AS term_name, t.tid
            FROM term_node t
           JOIN term_data td ON t.tid = td.tid";
$sql_count = "SELECT COUNT(DISTINCT td.name, t.tid)
            FROM term_node t
           JOIN term_data td ON t.tid = td.tid";
$result = pager_query($sql, 20, 0, $sql_count);
while ($data = db_fetch_object($result)) {
  echo l($data->term_name,"taxonomy/term/".$data->tid) . "<br/>";
}
print theme('pager');
?>