Html elements abbr, command, and sup

abbr element Specifies that a string is an abbreviation for a longer word or phrase, command element The command element represents a command which the user can invoke, sup element Specifies that the enclosed text should be rendered in the browser as superscript. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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abbr abbr and command, abbr, command, and sup

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