}

    def format(Iterable<? extends Node> nodes, boolean prettyPrint = false) {
        StringBuilder builder = new StringBuilder()
        nodes.each { node ->
            format(node, builder, 0, prettyPrint, prettyPrint)
        }
        return builder.toString()
    }

    def format(Node node, Appendable target, int depth, boolean prettyPrint, boolean indentSelf) {
        if (node instanceof Element) {