Many, many others have asked the exact same questions. In the case of electronic archives, this includes making sure that texts get transferred with every technology upgrade. There is absolutely no problem in principle here. Nothing unique to electronic archiving. And in fact the electronic archive is potentially much more powerful, efficient, accessible, and inexpensive.
Chicanery is possible there too.
Publish an erratum or a second edition. There ARE some real security problems on the Net. I know there are some such people, but I am certainly not one of them. I am quite aware that esoteric scholarly publication is not a gold mine, like movies and the tabloids. They have to make a living too, of course, but if doing that as comfortably and prosperously as possible were their primary motive they could surely find better ways.