Adding writing-mode:vertical-lr to a td element produces vertical text, with lines stacking LTR.

[xfq]

Test link(s):

test

Results:

• Gecko: ✅ Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/117.0
• Blink: ✅ Any_comments_here Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36
• Webkit: ❌ It leaves the text horizontal. Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15

Related tests: Vertical text