Translations:Extension:PluggableAuth/75/en

That is, if there is only a single configured authentication provider, its authentication plugin does not add extra fields to the $1 form using the $3 static function (or $2 in version 5.7 or earlier), and local login (which enables the username and password fields on the $1 form) is not enabled by a site administrator using $4, the $1 page will not be displayed.