Html elements hgroup, article, and nav

hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section, article element Self-contained composition in a document, nav element The HTML Navigation Element (<nav>) represents a section of a page that links to other pages or to parts within the page: a section with navigation links. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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hgroup hgroup and article, hgroup, article, and nav

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