drupal_set_message( "The value last set here ($default_value) is not in the list of available PID namespaces (perhaps it has changed?). Please choose a valid option from the list.", 'warning' );
}
$form = array();
$form['fedora_attach_pid_namespace'] = array(
'#type' => 'select',
'#title' => t('Fedora Attach PID namespace'),
'#options' => $options,
'#default_value' => $default_value,
'#description' => t('The PID namespace into which the Fedora Attach module will ingest objects.'),