Prerequisites: A font for Chinese, Japanese, and Mongolian, that can handle vertical text.

latin in chinese

same Test passes if the order and rotation of Latin characters is the same.

締造真 the W3C i18n Activity 正全球通行的萬維網
reference graphic

Assertion: [Exploratory test] Setting writing-mode to vertical-rl will cause Latin text embedded in vertical Chinese to flow down the page, with letters rotated 90 degrees clockwise, and wrap to the left.

Notes:

This is an exploratory test because the CSS3 Text module that defines writing-mode is not yet a Recommendation.

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HTML5

vertical-text-004
Result summary & related tests