var github.com/kr/text.sp

4 uses

	github.com/kr/text (current package)
		wrap.go#L10: 	sp = []byte{' '}
		wrap.go#L24: 	words := bytes.Split(bytes.Replace(bytes.TrimSpace(b), nl, sp, -1), sp)
		wrap.go#L27: 		lines = append(lines, bytes.Join(line, sp))