| Modification of the cnn_dailymail dataset in Hugging Face. The main goal is to reproduce the results on BART. | |
| References: https://github.com/facebookresearch/fairseq/issues/1401 | |
| Major changes: | |
| 1. remove the space in " ." in fix_missing_period. | |
| 2. remove "(CNN)" in article. |