HTML Tag: rtc
Ruby text container, used to explicitly contain rt
elements inside a ruby
element.
Optional Attributes
Example
<ruby>
<rb>上</rb>
<rb>手</rb>
<rt>じよう</rt>
<rt>ず</rt>
<rtc>
<rt>jou</rt>
<rt>zu</rt>
</rtc>
</ruby>