Add a concepts menu to extensions documentation
RELNOTES: None.
PiperOrigin-RevId: 162242575
diff --git a/site/_layouts/documentation.html b/site/_layouts/documentation.html
index f03578e..3906783 100644
--- a/site/_layouts/documentation.html
+++ b/site/_layouts/documentation.html
@@ -103,19 +103,31 @@
<h3>Extensions</h3>
<ul class="sidebar-nav">
<li><a href="/versions/{{ site.version }}/skylark/concepts.html">Overview</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/language.html">Language</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/macros.html">Macros</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/rules.html">Rules</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/depsets.html">Depsets</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/aspects.html">Aspects</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/repository_rules.html">Repository rules</a></li>
- <li><a href="/versions/{{ site.version }}/rule-challenges.html">Challenges of writing rules</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/lib/skylark-overview.html">Reference</a></li>
- <li><a href="/versions/{{ site.version }}/skylark/cookbook.html">Examples</a></li>
+
+ <li>
+ <a class="sidebar-nav-heading" data-toggle="collapse"
+ href="#extensions-concepts" aria-expanded="false"
+ aria-controls="extensions-concepts">
+ Concepts <span class="caret"></span>
+ </a>
+ <ul class="collapse sidebar-nav sidebar-submenu" id="extensions-concepts">
+ <li><a href="/versions/{{ site.version }}/skylark/macros.html">Macros</a></li>
+ <li><a href="/versions/{{ site.version }}/skylark/rules.html">Rules</a></li>
+ <li><a href="/versions/{{ site.version }}/skylark/depsets.html">Depsets</a></li>
+ <li><a href="/versions/{{ site.version }}/skylark/aspects.html">Aspects</a></li>
+ <li><a href="/versions/{{ site.version }}/skylark/repository_rules.html">Repository rules</a></li>
+ <li><a href="/versions/{{ site.version }}/rule-challenges.html">Challenges of writing rules</a></li>
+ </ul>
+ </li>
+
<li><a href="/versions/{{ site.version }}/skylark/deploying.html">Packaging rules</a></li>
<li><a href="https://skydoc.bazel.build" target="_blank">Documenting rules</a></li>
<li><a href="/versions/{{ site.version }}/skylark/build-style.html">Style guide for BUILD files</a></li>
<li><a href="/versions/{{ site.version }}/skylark/bzl-style.html">Style guide for bzl files</a></li>
+
+ <li><a href="/versions/{{ site.version }}/skylark/cookbook.html">Examples</a></li>
+ <li><a href="/versions/{{ site.version }}/skylark/lib/skylark-overview.html">Reference</a></li>
+ <li><a href="/versions/{{ site.version }}/skylark/language.html">Language</a></li>
</ul>
</nav>
</div>
