include sample link url, post

_layouts/post.html

@@ -36,7 +36,11 @@
   </div>
   <article>
     <div class="headline-wrap">
-      <h1>{{ page.title }}</h1>
+      {% if page.link %}
+        <h1><a href="{{ page.link }}">{{ page.title }}</a></h1>
+      {% else %}
+        <h1><a href="{{ site.url }}{{ page.url }}" rel="bookmark" title="{{ page.title }}">{{ page.title }}</a></h1>
+      {% endif %}
     </div><!--/ .headline-wrap -->
     <div class="article-wrap">
       {{ content }}

_posts/2013-08-12-sample-link-post.md

@@ -0,0 +1,10 @@
+---
+layout: post
+title: "Sample Link Post"
+description: "Example and code for using link posts."
+tags: [sample post, link post]
+link: http://mademistakes.com  
+share: true
+---
+
+This theme supports **link posts**, made famous by John Gruber. To use, just add `link: http://url-you-want-linked` to the post's YAML front matter and you're done.