Html elements audio, article, and hgroup

audio element The audio element is used to embed sound content in an HTML or XHTML document, article element Self-contained composition in a document, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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audio audio and article, audio, article, and hgroup

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