PLFA agda exercises
<!DOCTYPE html>
<html lang="en">
    $^$${ head() }
    <body>
        <main class="page-content" aria-label="Content">
            <div class="wrapper">
                <section class="titlepage">
                <h1 class="title">$pagetitle$</h1>
                $for(author)$
                    <p class="author">$author$</p>
                $endfor$
                <p class="date">$date$</p>
                <div class="rights">$rights$</div>
                </section>
$body$
            </div>
        </main>
        $^$${ footer() }
    </body>
</html>