Html elements keygen, h4, and mark

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, h4 element Heading Level 4, mark element The HTML Mark Element (<mark>) represents highlighted text, i. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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keygen keygen and h4, keygen, h4, and mark

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