Before revision:  The aim of this  paper is to highlight the major works that have been undertaken in the space of document-level machine translation before and after the neural revolution  so that researchers can recognise where we started from and which direction we are heading in.
After revision:  The aim of this paper is to highlight the major works that have been undertaken in the space of document-level machine translation before and after the neural revolution , so that researchers can recognise where we started from and which direction we are heading in.