--- --- {%- assign sorted-posts = site.posts | where: "lang", "de" -%} {{ site.title | xml_escape }} {{ site.url | append: '/' }} {% if site.description %}{{ site.description | xml_escape }}{% endif %} {%- for post in sorted-posts -%} {{ post.title | xml_escape }} {{ site.url }}{{ post.url }} {{ post.content | xml_escape | rstrip }} {{ post.date | date_to_rfc822 }} {% endfor %}