code: func Indent(str string) string {
  	indented := strings.Replace(str, "\n", "\n\t", -1)
  	if len(indented) > 0 {
  		indented = "\t" + indented
  	}
  
  	return indented
  }
docs: // Indent returns a string which prepends "\t" TAB characters to the beginning
  // of each line in the given string "str".