-{% macro render_post(article, full=True) %}
+{% macro render_post(article, full=True, show_source_link=False) %}
<article class="post">
<h2 class="post-title">
<a href="{{ SITEURL }}/{{ article.url }}">{{ article.title }}</a>
<div class="post-content">
{{ article.content if full else article.summary }}
</div>
+ {% if show_source_link and article.markdown_url %}
+ <p class="post-source-link"><a href="{{ SITEURL }}/{{ article.markdown_url }}">(Markdown source)</a></p>
+ {% endif %}
</article>
{% endmacro %}