WP_Ajax_Response::send()

	public function send() {
		header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ) );
		echo "<?xml version='1.0' encoding='" . get_option( 'blog_charset' ) . "' standalone='yes'?><wp_ajax>";
		foreach ( (array) $this->responses as $response )
			echo $response;
		echo '</wp_ajax>';
		if ( wp_doing_ajax() )
			wp_die();
		else
			die();
	}