header = function(node)
	local result = {}
	if node.account == nil then
		table.insert(result, node.user)
	elseif node.account.display_name then
		table.insert(result, node.account.display_name)
	else
		table.insert(result, node.account.username)
	end
	table.insert(result, node.created_at)
	table.insert(result, '---')
	return table.concat(result, '\n')
end