🏗️ More explanations for i18n system (#7)

ournet/_layouts/base.liquid

@@ -5,11 +5,11 @@
 	prefix='og: http://ogp.me/ns#'
 >
 
-	{% if ref %}
-		{% assign alternates = '' | split: '/' %}
-		{% for entry in collections.all %}
-			{% if entry.data.ref == ref and entry.data.lang != lang %}
-				{% assign alternates = alternates | concat: entry %}
+	{% if reference_page %}{% comment %}If the page has the reference_page value, it means that it has a translation, or that it is the translation of another page{% endcomment %}
+		{% assign alternates = '' | split: '/' %}{% comment %}Creating an empty array{% endcomment %}
+		{% for entry in collections.all %}{% comment %}Loop through all pages of the website{% endcomment %}
+			{% if entry.data.reference_page == reference_page and entry.data.lang != lang %}{% comment %}Check if the entry has the same reference_page value of the current page, and if it has a different language{% endcomment %}
+				{% assign alternates = alternates | concat: entry %}{% comment %}If previous conditions apply, add the entry to the array of alternates of this page{% endcomment %}
 			{% endif %}
 		{% endfor %}
 	{% endif %}

ournet/index.md

@@ -1,5 +1,6 @@
 ---
 title: 🪡 Knitting Our Internet 🧶
+reference_page: index
 ---
 
 <figure>

ournet/it/index.md

@@ -1,5 +1,6 @@
 ---
 title: 🪡 La Nostra Rete 🧶
+reference_page: index
 ---
 <figure>
 	<img src='{{ site.image }}' alt='Un gruppo di persone sedute in cerchio, connesse da un filo rosso'>