<https://forum.affinity.serif.com/index.php?/topic/64651-how-to-have-a-transparent-stroke/#comment-336175>
<http://schema.org/upvoteCount>
"1"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://forum.affinity.serif.com/index.php?/topic/64651-how-to-have-a-transparent-stroke/#comment-335894>