Html elements wbr, dfn, and sub

wbr element For a block of text enclosed by nobr tags, indicates a place where a line break may occur, dfn element Specifies that the enclosed text defines a term, sub element Specifies that the enclosed text should be rendered in the browser as subscript. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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wbr wbr and dfn, wbr, dfn, and sub

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