ref: ff16c42ed0965e1c8acf6e6a6dcda3ea50c107f2
dir: /tpl/tplimpl/embedded/templates/_default/sitemapindex.xml/
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
{{ range . }}
<sitemap>
<loc>{{ .SitemapAbsURL }}</loc>
{{ if not .LastChange.IsZero }}
<lastmod>{{ .LastChange.Format "2006-01-02T15:04:05-07:00" | safeHTML }}</lastmod>
{{ end }}
</sitemap>
{{ end }}
</sitemapindex>