modified test

content/foo/index.md

@@ -0,0 +1 @@
+[a link refers to](../post.md)

content/post.md

@@ -1 +1 @@
-Okay, here's a post.
+Okay, here's a post. It references [topic](./topic.md)

content/topic.md

@@ -0,0 +1,3 @@
+# What an interesting topic!
+
+I sure love this. [link](./index.md) [another link](/index.md)

templates/base.html

@@ -15,7 +15,9 @@
     <div id="container">
     {% if header %}
       <header id="header">
+      <center>
       {{ header | safe }}
+      </center>
       <hr>
       </header>
     {% endif %}