'multiple_language', 'title' => t('Enable translation for language'), 'multiple values' => array('type' => 'boolean'), 'group' => 'i18n', ); $variables['i18n_string_debug'] = array( 'type' => 'enable', 'title' => t('Debug string translation', array(), $options), 'default' => 0, 'group' => 'debug', ); return $variables; }