pmd/docs/_includes/language_info.html

<details class="language-info">
    <summary>Language Info for {{include.name}}</summary>
    <div class="card">
        <ul class="list-group list-group-flush">
            <li class="list-group-item">Implementation: {% jdoc include.implementation %}</li>
            <li class="list-group-item">Id: {{include.id}}</li>
            <li class="list-group-item">PMD: {% if include.supports_pmd %}✔️{% else %}❌{% endif %}</li>
            <li class="list-group-item">CPD: {% if include.supports_cpd %}✔️{% else %}❌{% endif %}</li>
        </ul>
    </div>
</details>