{{ with .Title | default .Site.Title }} {{ . }} {{ end }} {{ with .Description | default .Site.Params.subtitle }} {{ end }} {{ with .Params.thumbnail }} {{ end }} {{ with .Site.Params.twitter }} {{ end }} {{ if .IsPage }} {{ with .Site.Params.facebook }} {{ end }} {{ else }} {{ end }} {{ hugo.Generator -}} {{ if .Site.Params.FontSheetUse }} {{- end -}} {{- with .Site.Params.favicon }} {{- end -}} {{ if eq (.Permalink | string) "/" }} {{ end }} {{ if .Params.sort_tables }} {{ end }} {{ if .Params.graphing }} {{ end }} {{ with .Params.page_refresh }} {{ end }} {{ partial "head_custom.html" . }}