$preamble = L10n::t('You\'ve received a registration request from \'%1$s\' at %2$s', $params['source_name'], $sitename);
$epreamble = L10n::t('You\'ve received a [url=%1$s]registration request[/url] from %2$s.',
$preamble = L10n::t('You\'ve received a registration request from \'%1$s\' at %2$s', $params['source_name'], $sitename);
$epreamble = L10n::t('You\'ve received a [url=%1$s]registration request[/url] from %2$s.',