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diff --git a/docs/src/templates/partials/toc.html b/docs/src/templates/partials/toc.html
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+<!--
+  Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to
+  deal in the Software without restriction, including without limitation the
+  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+  sell copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+  IN THE SOFTWARE.
+-->
+
+<!-- Determine title -->
+{% set title = lang.t("toc") %}
+{% if config.mdx_configs.toc and config.mdx_configs.toc.title %}
+  {% set title = config.mdx_configs.toc.title %}
+{% endif %}
+
+<!-- Table of contents -->
+<nav class="md-nav md-nav--secondary" aria-label="{{ title }}">
+  {% set toc = page.toc %}
+
+  <!--
+    Check whether the content starts with a level 1 headline. If it does, the
+    top-level anchor must be skipped, since it would be redundant to the link
+    to the current page that is located just above the anchor. Therefore we
+    directly continue with the children of the anchor.
+  -->
+  {% set first = toc | first %}
+  {% if first and first.level == 1 %}
+    {% set toc = first.children %}
+  {% endif %}
+
+  <!-- Table of contents title and list -->
+  {% if toc %}
+    <label class="md-nav__title" for="__toc">
+      <span class="md-nav__icon md-icon"></span>
+      {{ title }}
+    </label>
+    <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
+      {% for toc_item in toc %}
+        {% include "partials/toc-item.html" %}
+      {% endfor %}
+    </ul>
+  {% endif %}
+</nav>