[css-typed-om] Should CSSKeywordValue Serialization invoke Serialize an identifier to escape the value? #12545
Description
CSSKeywordValue Serialization instructs to return the internal value directly:
To serialize a CSSKeywordValue this:
- Return this’s value internal slot.
However, both Blink, WebKit and the WPTs escape the keyword before returning it.
Should serialization of CSSKeywordValue return the result of invoking Serialize an identifier of the internal value?