Very interesting. Thank you for filling this gap in my knowledge of historical events. I'm always keen to understand the context in which things like this cam

Very interesting. Thank you for filling this gap in my knowledge of historical events. I'm always keen to understand the context in which things like this came about. I take your point about PDF being the dominant format leaving little use for DVI, but intermediate representations are a powerful lever, so I hope DVI remains for a good while yet for people to experiment with.