fier) }}">Notes</a>
</li>
<li class="nav-item dropdown">
    <a class="nav-link dropdown-toggle" href="#" data-bs-toggle="dropdown" aria-expanded="false">Indexes</a>
    <ul class="dropdown-menu">
        <li><a class="dropdown-item"
                href="{{ url_for('topic.index', map_identifier=topic_map['identifier'], topic_identifier='home') }}">Topics</a>
        </li>
        <li><a class="dropdown-item disabled" href="#">Resources</a>
        </li>
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<li class="nav-item"><a class="nav-li