<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  get "/" do
  <url>
      <loc>http://@base_url/</loc>
      <lastmod>@updated</lastmod>
      <changefreq>monthly</changefreq>
      <priority>0.9</priority>
  </url>
  end
  foreach $root do
    :sitemap-url
    if $children do
      :sitemap-children
    endif
  endforeach
</urlset>