Html elements audio, keygen, and base

audio element The audio element is used to embed sound content in an HTML or XHTML document, 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, base element Specifies a base URL for all of the relative URLs in the document to use. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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audio audio and keygen, audio, keygen, and base

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