To HTML Content Category Flow

Html elements ul, keygen, and br

ul element Defines an unordered list, such as a bulleted list, 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, br element Specifies a hard line break in the text. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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ul ul and keygen, ul, keygen, and br

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