Machine Translation and the Dataset

https://d2l.ai/chapter_recurrent-modern/machine-translation-and-dataset.html

In preprocess_nmt, should we remove question mark ‘?’ ?

Did you mean that ‘?’ in ‘who?’?
I guess, you are right.
@Songlin_Zheng

Hi @Songlin_Zheng, great catch! We will make the improvement with the “?” on both mxnet and torch version.