Aptitude no longer removes unused dependencies.

[Lex Hider]

On Tue, 2005-02-15 at 10:47 +1100, Lex Hider wrote:
>One of my favourite features of aptitude is that it can keep track of
>which packages have been installed solely as dependencies for other
>packages and remove these packages when they are no longer needed.
>
>It appears that aptitude in hoary is no longer doing this.
>
>e.g. if I hit 'M' on a bunch of already installed packages in aptitude
>it won't offer to remove any, even if I hit 'M' on every installed
>package.
>
>I would really like to get the old behaviour back. That way you can just
>keep track of a handful of packages that you explicitly want [e.g. you
>may just want ubuntu-base ubuntu-desktop and a few other necessary apps
>and let aptitude sort out the dependencies for all of this].
>
>Lex.
>
>Here's a relevant post from the archives:
>http://lists.ubuntu.com/archives/ubuntu-users/2004-October/008445.html
>
>

Can anyone confirm this? Is this a config file I have inadvertently
changed or should I file a bug?