beaker-blog/templates/rss.xml

<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet type="text/css" href="{{ url_for('static', filename='css/rss.css') }}" ?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">

<channel>
<title>The Latest from Marten</title>
<description>Updates from Marten Kante. Throw this in your RSS feeder for instant updates!</description>
<language>en-us</language>
<link>/blog/feed.xml</link>
<atom:link href="/feed.xml" rel="self" type="application/rss+xml" />

{% autoescape off %}
{{ content_string }}
{% endautoescape %}

</channel>
</rss>