$newname = $this->makePageLink( Title::newFromText( $params[3] ) );
$params[2] = Message::rawParam( $oldname );
$params[3] = Message::rawParam( $newname );
$newname = $this->makePageLink( Title::newFromText( $params[3] ) );
$params[2] = Message::rawParam( $oldname );
$params[3] = Message::rawParam( $newname );