verride
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    TextWithMnemonic mnemonic = (TextWithMnemonic)o;
    return mnemonicIndex == mnemonic.mnemonicIndex &&
           text.equals(mnemonic.text) &&
           mnemonicSuffix.equals(mnemonic.mnemonicSuffix);
  }


verride
  public boolean equals(Object o) {