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<title>Ruby whitespace handling</title>
<link rel="author" title="Sam Bowen" href="mailto:sgbowen8@gmail.com">
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<p>
  <ruby><rbc><rb><span>   </span></rb><rb><span>    </span></rb><rb>Base three</rb></rbc
    ><rtc><rt><span>   </span></rt><rt><span>   </span></rt><rt>Text three</rt></rtc
    ><rtc><rt></rt></rtc
    ><rbc><rb><span>        </span></rb></rbc
    ><rbc><rb>Segment two</rb></rbc
    ><rtc><rt></rt></rtc></ruby>
</p>

<p>
  <ruby><rbc><rb>Base one</rb><rb><span>  </span></rb><rb>Base three</rb></rbc
    ><rtc pseudo><rt>Text one</rt><rt pseudo><span>  </span></rt><rt>Text three</rt></rtc></ruby>
</p>

<p>
  <ruby><rbc><rb>Segment one</rb></rbc
    ><rbc><rb><span>  </span></rb></rbc
    ><rbc><rb><span>  </span></rb><rb><span>    </span></rb><rb>Base three</rb></rbc
    ><rtc><rt><span>  </span></rt><rt><span>     </span></rt><rt>Text three</rt></rtc
    ><rbc><rb><span>  </span></rb></rbc
    ><rbc><rb>Base one</rb><rb><span>   </span></rb><rb>Base three</rb></rbc
    ><rtc><rt>Text one</rt><rt></rt><rt>Text two/three</rt></rtc></ruby>
</p>
