The W3C is soliciting implementations for extended HTML ruby markup specifications, which enhance how the HTML standard handles ruby text (small annotations above or below base text, commonly used in East Asian typography). The revision aims to improve the markup model for expressing these annotations.
Could matter if Daedalus targets narrative localization for CJK markets, where ruby text is essential for readability; more directly relevant if the design-intent graph needs to represent typography semantics for dialogue or UI text rendering.