Html elements abbr, sub, and sub

abbr element Specifies that a string is an abbreviation for a longer word or phrase, sub element Specifies that the enclosed text should be rendered in the browser as subscript, 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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abbr abbr and sub, abbr, sub, and sub

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