Use mark tag to highlight text.

This line of text is meant to be treated as deleted text. Use del tag for it.

This line of text is meant to be treated as no longer accurate. Use s tag for it.

This line of text is meant to be treated as an addition to the document. Use ins tag for it.

This line of text will render as underlined. Use u tag for it.

This line of text is meant to be treated as fine print. Use small tag for it.

This line rendered as bold text. Use strong tag for it.

This line rendered as italicized text. Use em tag for it.