ref: f6863e1ef725f654a4c869ef4955f9add6908a46
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 }}