test('Hello %(title1)s', 'Hello $PATH')
test('Hello %(title2)s', 'Hello %PATH%')
test('%(title3)s', ('foo/bar\\test', 'foo⧸bar⧹test'))
test('Hello %(title1)s', 'Hello $PATH')
test('Hello %(title2)s', 'Hello %PATH%')
test('%(title3)s', ('foo/bar\\test', 'foo⧸bar⧹test'))