Html elements abbr, command, and audio

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, audio element The audio element is used to embed sound content in an HTML or XHTML document. 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 audio

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