render_attachment_galleries

# File actiontext/lib/action_text/content.rb, line 67
    def render_attachment_galleries(&block)
      content = ActionText::AttachmentGallery.fragment_by_replacing_attachment_gallery_nodes(fragment) do |node|
        block.call(attachment_gallery_for_node(node))
      end
      self.class.new(content, canonicalize: false)
    end