[css-text-4] white-space shorthand values cannot be fully expressed using its longhands #8256
Description
https://drafts.csswg.org/css-text-4/#white-space-property
See issues 3 & 4.
WebKit assumes that shorthands don't have other side effects than just setting their longhands. So every single of the shorthand values should be expressible in some form by their longhands.