{{ $cols := split .Inner "||" }}

{{ $lang := .Get "lang" | default ( .Get 0 ) }}
{{ $lang := split $lang "," }}

<span class="row">
{{ range $indCol,$col := $cols }}
   <span class="column" {{ with $lang }} lang="{{ index $lang $indCol }}"{{ end }}>
   {{ . | $.Page.RenderString (dict "display" "block") }}
   </span>
{{ end }}
</span>