nd(true);
                                break;
                            case "[3~": // delete key
                                this.deleteAtCursor();
                                break;
                            default:
                                break;
                        }
                    } else if (ord < 32 || ord === 0x7f) {
                        switch (data) {
                            case "\x0c": // CTRL+L
                                this.clear();
                 