Html elements iframe, abbr, and audio

iframe element Defines an inline frame (ie a frame embedded in a document), abbr element Specifies that a string is an abbreviation for a longer word or phrase, 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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iframe iframe and abbr, iframe, abbr, and audio

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