Looking at https://en.wikipedia.org/wiki/VCard, structured name (N) is required in all but v4.0, where formatted name (FN) is required in v3.0+, it seems that the locale/preference-aware formatting would have to happen when editing, and stored in FN.
Looking at https:/ /en.wikipedia. org/wiki/ VCard, structured name (N) is required in all but v4.0, where formatted name (FN) is required in v3.0+, it seems that the locale/ preference- aware formatting would have to happen when editing, and stored in FN.