diff --git a/layouts/partials/sidebar/auto-collapsible-menu.html b/layouts/partials/sidebar/auto-collapsible-menu.html
index cfc914d246..cbd6a6da51 100644
--- a/layouts/partials/sidebar/auto-collapsible-menu.html
+++ b/layouts/partials/sidebar/auto-collapsible-menu.html
@@ -118,10 +118,13 @@
{{ end }}
{{ end }}
-
-
-
-
+ {{/* Subsection cross-links: pointers defined in this subsection's _index.md. */}}
+ {{ range .Params.crosslinks }}
+ {{ $active := eq $currentPage.RelPermalink (.url | relURL) }}
+
+ {{ end }}
@@ -132,6 +135,13 @@
{{ end }}
{{ end }}
+
+ {{/* Cross-links: extra nav entries pointing at a canonical page that lives in another section. */}}
+ {{/* Defined in this section's _index.md as a `crosslinks` list of {title, url} pairs. */}}
+ {{ range .Params.crosslinks }}
+ {{ $active := eq $currentPage.RelPermalink (.url | relURL) }}
+
+ {{ end }}