ref: ee090c0940cdbf636e3a55a40b41612d92b9c62d
dir: /tpl/tplimpl/embedded/templates/google_news.html/
{{ if .IsPage }}{{ with .Params.news_keywords }}
<meta name="news_keywords" content="{{ range $i, $kw := first 10 . }}{{ if $i }},{{ end }}{{ $kw }}{{ end }}" />
{{ end }}{{ end }}