_:nd51fdb61f4894e0cae7293d37c198e2axb4
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://blog.mirylart.ch/2022/01/25/apres-les-feuilles-mortes-le-givre-et-la-lumiere-dhiver-haikus/>