{{ $baseUrl := .Site.BaseURL }} {{ if isset .Params "topics" }} {{ $count := len .Params.topics }} {{ if gt $count 0 }}
{{ range $k, $v := .Params.topics }} {{ . }}{{ if lt $k (sub $count 1) }} /{{ end }} {{ end }}
{{ end }} {{ end }} {{ if isset .Params "tags" }} {{ $count := len .Params.tags }} {{ if gt $count 0 }}
{{ range $k, $v := .Params.tags }} {{ . }}{{ if lt $k (sub $count 1) }} /{{ end }} {{ end }}
{{ end }} {{ .Lastmod }} {{ end }}