$t('LESS'),
          'value' => $loaded_engine['name'] . ' - v' . $loaded_engine['version'],
          'description' => $t('To check for newer versions go to @vendor_url.', array('@vendor_url' => $loaded_engine['vendor url'])),
          'severity' => REQUIREMENT_OK,
        );
      }
      else {
        $requirements['less_library'] = array(
          'title' => $t('LESS'),
          'value' => '',
          'description' => $t('A LESS library was not detected. Please follow the instructions on the LESS project page to install the a LESS library.', array("!url" => url('https://drupal.org/project/less'))),
          'severity' => REQUIREMENT_ERROR,
        );
      }
      if (variable_get(LESS_DEVEL, FALSE)) {
        $requirements[LESS_DEVEL] = array(
          'title' => 'LESS developer mode',
          'value' => $t('Enabled'),
          'description' => $t('LESS files are being checked on every request. Remember to turn off this feature on production websites.', array("!url" => url('admin/config/development/less'))),
          'severity' => REQUIREMENT_WARNING,
        );
      }
      break;
      
    default:
      break;
  }
  
  return $requirements;
}