Html elements keygen, h4, and sub

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, sub element Specifies that the enclosed text should be rendered in the browser as subscript. 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 sub

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