const unicode.UpperCase 3 uses unicode (current package) letter.go#L69: UpperCase = iota letter.go#L257: return To(UpperCase, r) letter.go#L284: r1, hadMapping := to(UpperCase, r, []CaseRange(special))
The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)