Dominik Kubla writes ("Bug#2864: serious bug in amd!"):
...
> The question is what happens to a conffile when the package is upgraded
> and that file is no longer part of the new package? Does dpkg delete it
> without warning?
No, it's supposed to leave it lying around.
> I will investigate that issue before uploading the next revision
> (which is due because of an error in the postinst script).
Let me know if the behaviour isn't as I expect.
Ian.