3.04.01-2 was a messy mistake that was live for relatively short time. So far, I've been advised by experts to ignore this particular problem. See bug 815056 for details. Sorry for the trouble.
- Bug#815860: libtesseract-dev: conflict with libtesseract4... Arthur Marsh
- Bug#815860: libtesseract-dev: conflict with libtesse... Jeff Breidenbach