templates/feed.rbxml
<?rb #@ARGS config, posts ?>
<?xml version="1.0"?>
<rss version="2.0">
<channel>
<title>${@config['blog']['name']}</title>
<link>${@config['blog']['url']}</link>
<description>${@config['blog']['description']}</description>
<language>${@config['blog']['language']}</language>
<?rb for post in posts ?>
<item>
<title>${post[:title]}</title>
<link>${post[:url]}</link>
<description>${post[:description]}</description>
<pubDate>${post[:date]}</pubDate>
</item>
<?rb end ?>
</channel>
</rss>