Add ARIA search landmark to documentation. (#28983)

diff --git a/site/layouts/partials/docs-sidebar.html b/site/layouts/partials/docs-sidebar.html
index b87dcde84e0f8c9182fffe3de66984b87b753b76..3f6ec67e7d74008a89745a69e8d0e0f46fdc83db 100644 (file)
--- a/site/layouts/partials/docs-sidebar.html
+++ b/site/layouts/partials/docs-sidebar.html
@@ -1,4 +1,4 @@
-<form class="bd-search d-flex align-items-center">
+<form role="search" class="bd-search d-flex align-items-center">
   <input type="search" class="form-control" id="search-input" placeholder="Search..." aria-label="Search for..." autocomplete="off" data-docs-version="{{ .Site.Params.docs_version }}">
   <button class="btn btn-link bd-search-docs-toggle d-md-none p-0 ml-3" type="button" data-toggle="collapse" data-target="#bd-docs-nav" aria-controls="bd-docs-nav" aria-expanded="false" aria-label="Toggle docs navigation">
     {{ partial "icons/menu.svg" (dict "width" "30" "height" "30") }}