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<title>Test for dynamic removal of ruby frames</title>
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
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<p>No space should exist between 'a' and 'b':</p>

<p>a<ruby> <rb></rb></ruby>b</p>
<p>a<ruby><rb></rb> </ruby>b</p>
<p>a<ruby><rb></rb> <rt></rt></ruby>b</p>

<p>a<ruby> <rbc></rbc></ruby>b</p>
<p>a<ruby><rbc></rbc> </ruby>b</p>
<p>a<rbc></rbc> <rtc></rtc>b</p>

<p><rb>a</rb><rb>b</rb><rtc> <rt>x</rt></rtc></p>
<p><rb>a</rb><rb>b</rb><rtc><rt>x</rt> </rtc></p>
<p><rb>a</rb><rb>b</rb> <rt>x</rt></p>
