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<title>Test for dynamic insertion 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>One space should exist between 'a' and 'b':</p>

<!-- inter-level white space -->
<!--     => normal white space -->
<p>a<rb data-insert="after" data-tag="span"></rb> <rt></rt>b</p>
<p>a<rb></rb> <rt data-insert="before" data-tag="span"></rt>b</p>
<!--     => inter-base white space -->
<p>a<rb></rb> <rt data-insert="before" data-tag="rb"></rt>b</p>
<p>a<rt data-insert="after" data-tag="rb"></rt> <rb></rb>b</p>
<!--     => inter-segment white space -->
<p>a<rbc></rbc> <rt data-insert="before" data-tag="rbc"></rt>b</p>
<!--     => inter-annotation white space -->
<p>a<rb data-insert="after" data-tag="rt"></rb> <rt></rt>b</p>
<p>a<rt></rt> <rb data-insert="before" data-tag="rt"></rb>b</p>

<!-- insert white space -->
<!--     inter-base white space -->
<p>a<rb data-insert="after" data-text=" "></rb><rb></rb>b</p>
<!--     inter-segment white space -->
<p>a<rbc data-insert="after" data-text=" "></rbc><rbc></rbc>b</p>
<!--     inter-annotation white space -->
<p>a<rt data-insert="after" data-text=" "></rt><rt></rt>b</p>
