code: func multiComment(text string) string {
  	lines := strings.Split(text, "\n")
  	nl := make([]string, len(lines))
  	for i, l := range lines {
  		nl[i] = "// " + strings.TrimSpace(l)
  	}
  	return strings.Join(nl, "\n")
  }
docs: // multiComment produces a Go comment containing the given string taking into account newlines.