From b46ab43626cf826aa1051b9a745925fe6b701260 Mon Sep 17 00:00:00 2001
From: Robb Shecter <robb@public.law>
Date: Mon, 29 Jan 2024 13:50:54 -0700
Subject: [PATCH] Add hreflang links to HTML HEAD

---
 layouts/_default/baseof.html | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 52e7e67..d63e0a8 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -7,6 +7,19 @@
     <title>{{ block "title" . }}{{ with .Params.Title }}{{ . }} | {{ end }}{{ .Site.Title }}{{ end }}</title>
     <meta name="viewport" content="width=device-width,minimum-scale=1">
     <meta name="description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{ with .Site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end }}">
+
+    {{/* 
+	  Multilingual site support
+	  See: https://developers.google.com/search/docs/specialty/international/localized-versions
+       */}}
+    {{ with .AllTranslations }}
+      {{ range . }}
+        {{ if not (eq .Lang $.Page.Lang) }}
+          <link rel="alternate" hreflang="{{ .Lang }}" href="{{ .Permalink }}">
+        {{ end }}
+      {{ end }}
+    {{ end }}
+	  
     {{ hugo.Generator }}
     {{/* NOTE: For Production make sure you add `HUGO_ENV="production"` before your build command */}}
     {{ $production := eq (getenv "HUGO_ENV") "production" | or (eq site.Params.env "production") }}