Html elements wbr, sup, and iframe

wbr element For a block of text enclosed by nobr tags, indicates a place where a line break may occur, sup element Specifies that the enclosed text should be rendered in the browser as superscript, iframe element Defines an inline frame (ie a frame embedded in a document). These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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wbr wbr and sup, wbr, sup, and iframe

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