mastodon/app/views/layouts/embedded.html.haml

!!! 5
%html{ lang: I18n.locale }
  %head
    %meta{ charset: 'utf-8' }/
    %meta{ name: 'robots', content: 'noindex' }/

    = javascript_pack_tag "locales", integrity: true, crossorigin: 'anonymous'
    = javascript_pack_tag "locale_#{I18n.locale}", integrity: true, crossorigin: 'anonymous'
    = render partial: 'layouts/theme', object: @core
    = render partial: 'layouts/theme', object: @theme
    = yield