https://lists.w3.org/Archives/Public/www-style/2015Sep/0198.html
Re: [css-text-4] variants of pre-wrap and longhands of the white-space property from Florian Rivoal...
https://bugzilla.mozilla.org/show_bug.cgi?id=1838508
1838508 - [wpt-sync] Sync PR 40548 - Modify tests to incorporate white-space longhands
RESOLVED (wptsync) in Core - CSS Parsing and Computation. Last updated 2023-06-22.