const unicode/utf16.surrSelf

7 uses

	unicode/utf16 (current package)
		utf16.go#L25: 	surrSelf = 0x10000
		utf16.go#L39: 		return (r1-surr1)<<10 | (r2 - surr2) + surrSelf
		utf16.go#L48: 	if r < surrSelf || r > maxRune {
		utf16.go#L51: 	r -= surrSelf
		utf16.go#L59: 		if v >= surrSelf {
		utf16.go#L68: 		case 0 <= v && v < surr1, surr3 <= v && v < surrSelf:
		utf16.go#L72: 		case surrSelf <= v && v <= maxRune: