<https://forum.affinity.serif.com/index.php?/topic/83362-color-variation-on-masks-when-exporting/#comment-441384>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Comment>
<https://forum.affinity.serif.com/index.php?/topic/83362-color-variation-on-masks-when-exporting/>