Html elements sub, a, and dfn

sub element Specifies that the enclosed text should be rendered in the browser as subscript, a element Specifies either a hyperlink or a target for a hyperlink, dfn element Specifies that the enclosed text defines a term. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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sub sub and a, sub, a, and dfn

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