Html elements sub, wbr, and button

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

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sub sub and wbr, sub, wbr, and button

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