public function htmlTitle (GluggiConfig $config, $pageTitle)
    {
        $segments = !is_array($pageTitle)
            ? [$pageTitle]
            : $pageTitle;

        $mainTitle = "Gluggi";

        if (null !== $config->getTitle())
        {
            $mainTitle .= " ({$config->getTitle()})";
        }

        $segments[] = $mainTitle;

        return new Response(
            htmlspecialchars(
                implode(" // ", $segments)
            )
        );
    }