code: static void make72Safe(StringBuffer line) {
          int length = line.length();
          if (length > 72) {
              int index = 70;
              while (index < length - 2) {
                  line.insert(index, "\r\n ");
                  index += 72;
                  length += 3;
              }
          }
          return;
      }
docs: Adds line breaks to enforce a maximum 72 bytes per line.