{%- assign posts=site.posts | where:"lang-ref", page.lang-ref | sort: 'lang' -%}
{%- assign pages=site.pages | where:"lang-ref", page.lang-ref | sort: 'lang' | concat: posts -%}
{{ include.title }} - {{ include.subtitle }}
{%- if include.stylesheets -%}
{%- for file in include.stylesheets -%}
{%- endfor -%}
{%- endif -%}
{%- for page in pages -%}
{%- endfor -%}
{%- if site.favicon -%}
{%- endif -%}
{% seo %}