var unicode.Zp2 uses
unicode (current package)
tables.go#L44: "Zp": Zp,
tables.go#L3650: Zp = _Zp // Zp is the set of Unicode characters in category Zp (Separator, paragraph).
The pages are generated with Goldsv0.2.8-preview. (GOOS=darwin GOARCH=arm64)