Implements hook_openid_normalization_method_info().
Define standard normalization methods.
function openid_openid_normalization_method_info() {
// OpenID Authentication 2.0, section 7.2:
// If the User-supplied Identifier looks like an XRI, treat it as such;
// otherwise treat it as an HTTP URL.
return array(
'xri' => '_openid_xri_normalize',
'url' => '_openid_url_normalize',
);
}