rp
The <strong>HTML <code><rp></code> element</strong> is used to provide fall-back parentheses for browsers that do not support display of ruby annotations using the <a title="The HTML <ruby> element represents a ruby annotation. Ruby annotations are for showing pronunciation of East Asian characters." href="/en-US/docs/Web/HTML/Element/ruby"><code><ruby></code></a> element.
trait Tag
class Object
trait Matchable
class Any