{% comment %}<!-- META TAGS -->{% endcomment %}
{% if page.meta_page.t_meta_title %}<title>{{ page.meta_page.t_meta_title }}</title> {% endif %}
{% if page.meta_page.t_meta_description %}<meta name="description" content="{{ page.meta_page.t_meta_description }}"> {% endif %}
{% if page.meta_page.t_meta_abstract %}<meta name="abstract" content="{{ page.meta_page.t_meta_abstract }}">{% endif %}

{% comment %}<!-- CANONICAL -->{% endcomment %}
<link rel="canonical" href="{{ site.url }}{{ page.url | replace:'index.html','' | remove: 'en/' }}">

{% comment %}<!-- HREFLANG -->{% endcomment %}
{% assign docs = site.pages | where:"i18n_link", page.i18n_link | sort: 'lang' %}
{% for doc in docs %}
    <link rel="alternate" hreflang="{{doc.language | replace: 'default', 'x-default'}}" href="{{ site.url }}{{ doc.url | remove: 'index.html' }}"/>
{% endfor %}
{% for collection in site.collections %}
{% assign docs = collection.docs | where:"i18n_link", page.i18n_link | sort: 'lang' %}
	{% for doc in docs %}
	    <link rel="alternate" hreflang="{{doc.language | replace: 'default', 'x-default'}}" href="{{ site.url }}{{ doc.url | remove: 'index.html' }}"/>
	{% endfor %}
{% endfor %}