ndw

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:array="http://www.w3.org/2005/xpath-functions/array"
                xmlns:f="https://nwalsh.com/ns/functions"
                xmlns:map="http://www.w3.org/2005/xpath-functions/map"
                xmlns:xs="http://www.w3.org/2001/XMLSchema"
                exclude-result-prefixes="array f map xs"
                version="3.0">

<xsl:output method="xml" encoding="utf-8" indent="no"/>

ndw

import java.io.FileOutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.PosixFilePermission;
import java.util.HashSet;
import java.util.Set;

public class NioTest {
    public static void main(String[] argv) throws Exception {

ndw

Saxon 11.x produces:

<?xml version="1.0" encoding="UTF-8"?>
<root a="b"
       c="d"
       h="e"
       f="g"
       a1="b"
       c1="d"
       h1="e"