android.moparisthebest.org/.themes/classic/source/_includes/post/variables.html

{% assign linklog = false %}
{% assign index = false %}

{% if page.external-url %}
  {% capture linklog %}{{ page.external-url }}{% endcapture %}
{% elsif post.external-url %}
  {% capture linklog %}{{ post.external-url }}{% endcapture %}
{% endif %}
{% if post.url %}{% assign index = true %}{% endif %}
{% capture permalink %}{{ root_url }}{% if index %}{{ post.url }}{% else %}{{ page.url }}{% endif %}{% endcapture %}
{% capture title_url %}{% if linklog %}{{ linklog }}{% else %}{{ permalink }}{% endif %}{% endcapture %}
{% capture article_title %}{% if index %}{% unless linklog %}{{ site.standard_post_marker }}{% endunless %}{{ post.title }}{% else %}{% unless linklog %}{{ site.standard_post_marker }}{% endunless %}{{ page.title }}{% endif %}{% endcapture %}
{% capture linklog_marker %}<span class='linklog-marker'>{{ site.linklog_marker }}</span>{% endcapture %}