It is used to provide fall-back parentheses for browsers that do not support display of ruby annotations using the
<rp> element should enclose each of the opening and closing parentheses that wrap the
<rt> element that contains the annotation's text.
The end tag can be omitted if the element is immediately followed by an
<rt> or another
<rp> element, or if there is no more content in the parent element.
<rp> element must be positioned immediately before or after an
- Type: -
- Self-closing: No
- Semantic value: No