Html elements pre, keygen, and mark

pre element Specifies that the enclosed text is preformatted and that whitespace should be preserved appropriately, 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, 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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pre pre and keygen, pre, keygen, and mark

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