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<div>This test makes sure that a ruby base which ends in tatechuyoko doesn't force a line break before the tatechuyoko. The test passes if there is no horizontal space to the left of the vertical text below.</div>
<ruby style="-webkit-writing-mode: vertical-rl;">abcdefghijkl<span style="-webkit-text-combine: horizontal; color: white;">21</span><rt style="color: white;">a</rt></ruby>
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