Bug#137315: dpkg: update-alternatives: creation of `link' doesn't respect `Replaces:'.

[Josip Rodin <joy@cibalia.gkvk.hr>]

On Fri, Mar 08, 2002 at 06:23:30PM +1100, Herbert Xu wrote:
> > I believe that at least in the above case between ftp and netstd, the
> > desired outcome should be that the regular file be removed and
> > replaced with the symlink.
> 
> Actually, the answer is that we do not support upgrades across two
> Debian releases.  That is, you can go from slink to potato, from
> potato to woody, but not from slink to woody directly.

The only record of something like this was the technical committee ruling
in http://lists.debian.org/debian-ctte/2000/debian-ctte-200011/msg00008.html
which said:

  Anyone running unstable slink should upgrade to slink, and ten to
  potato/woody unstable. People running released hamm and slink can upgrade
  to woody, even, and not automatically have xlib6 removed.

So AFAICT the only reason why the package wouldn't support upgrade across
two releases is because it has a bug.

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