Prerequisites: A Chinese font, with glyphs for vertical text.

chinese

same Test passes if the order of characters and paragraphs and the angle of characters is the same.

締造真正全球通行的萬維網

国际化活动、万维网联盟

reference graphic

Assertion: [Exploratory test] Setting writing-mode to tb-rl will cause Chinese text to run vertically down the left size of a box, with upright characters, and wrap to the left, and cause paragraphs to flow to the left.

Notes:

The tb-rl value of writing-mode is deprecated in favour of vertical-rl.

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HTML5

vertical-text-101
Result summary & related tests