Optional ReadonlyattrsOptional ReadonlychildOptional inner wrapper tag (e.g. the code in pre > code).
Optional ReadonlyinnerTrusted markup rendered inside an atom in place of text, a formula's
MathML, a link card's title and description. It is inserted verbatim by
both the serializer and the DOM renderer, so the spec author builds it
and must escape every dynamic value it carries.
Optional ReadonlyisVoid elements (br, hr, img) render without children or a closing tag.
ReadonlytagOptional ReadonlytextLiteral text content for atom nodes (a badge's label, a footnote marker).
Declarative HTML output for a node or mark, consumed by the HTML serializer.