help with the article.html file

article.html

{% if index %}
  <div class="entry-content">{{ content | excerpt }}</div>
  {% capture excerpted %}{{ content | has_excerpt }}{% endcapture %}
  {% if excerpted == 'true' %}
    <footer>
      <a rel="full-article" href="{{ root_url }}{{ post.url }}">{{ site.excerpt_link }}</a>
    </footer>
  {% endif %}
{% if post.external-url %}
<div class="entry-content"><a href="{{ root_url }}{{ post.url }}">Permalink</a><!-- add permalink at end of link posts; could be text or glyph -->
</div>
{% endif %}
{% else %}
<div class="entry-content">{{ content }}</div>
{% endif %}

jonathan.html

{% if post.external-url %} <!-- this block gets run if the external-url attribute is present -->
    <h1 class="entry-title external">
        <a href="{{ post.external-url }}"> <!-- NOTE: see that the href is to the post's external-url attribute? that's what's needed for the links to work. -->
            <!-- on my site, I include "[link]" here -->
            {% if site.titlecase %}
                {{ post.title | titlecase }}
            {% else %}
                {{ post.title }}
            {% endif %}
        </a>
    </h1>
{% else %} <!-- if the external-url attribute is not present, this code gets run -->
    <h1 class="entry-title">
        <a href="{{ root_url }}{{ post.url }}">
            {% if site.titlecase %}
                {{ post.title | titlecase }}
            {% else %}
                {{ post.title }}
            {% endif %}
        </a>
    </h1>
{% endif %}

Put an addition on the end of article.html to include permalink on link posts.

Thanks for putting this up.