Html elements meter, keygen, and ruby

meter element The HTML meter element (<meter>) represents either a scalar value within a known range or a fractional value, 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, ruby element Defines a container for Ruby Text. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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meter meter and keygen, meter, keygen, and ruby

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