zentao/extension/ipd/lieu/config.php

<?php
if(!isset($config->lieu)) $config->lieu = new stdclass();
$config->lieu->checkHours = 0;

$config->lieu->require = new stdclass();
$config->lieu->require->create = 'start,begin,finish,end,hours';
$config->lieu->require->edit   = 'start,begin,finish,end,hours';
$config->lieu->require->review = 'comment';

$config->lieu->editor = new stdclass();
$config->lieu->editor->view   = array('id' => 'lastComment', 'tools' => 'simple');
$config->lieu->editor->review = array('id' => 'comment',     'tools' => 'simple');