To HTML Content Category Interactive

Html elements iframe, cite, and keygen

iframe element Defines an inline frame (ie a frame embedded in a document), cite element Specifies that the enclosed text is a citation from another source, keygen element The HTML keygen element exists to facilitate generation of key material, and submission of the public key as part of an HTML form. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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iframe iframe and cite, iframe, cite, and keygen

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