public function highlightLines(string $source, int $line, int $around = 5): string
    {
        $lines = explode("\n", str_replace("\r\n", "\n", $this->highlight($source)));

        $result = "";
        foreach ($lines as $number => $code) {
            $human = $number + 1;
            if (!empty($around) && ($human < $line - $around || $human >= $line + $around + 1)) {
                //Not included in a range
                continue;
            }

            $result .= $this->r->line($human, mb_convert_encoding($code, 'utf-8'), $human === $line);
        }

        return $result;
    }