                {
                    ret.Ignore = true;
                    return ret;
                }

                ret.NewLineCharacter = (NewLineCharacter)newlineCharCbx.SelectedIndex;
                ret.SaveUTF8 = (bool)saveUTF8Btn.IsChecked;
                ret.Operation = (bool)tabifyBtn.IsChecked ? TabifyOperation.Tabify : TabifyOperation.Untabify;

                return ret;
            }
        }

        private void tabifyBtn_Checked(object sender, RoutedEventArgs e)
        {