RENDER(Request& context)
{
	if(context.get["mode"] == "optional")
		print(component_exists("components/does-not-exist") ? "unexpected" : "optional component absent");
	else if(context.get["mode"] == "capture")
		print(component("components/does-not-exist", context));
	else
		component_render("components/does-not-exist", context);
}