Bug#798286: [Aptitude-devel] Bug#798286: "Package xxx is not installed, so it will not be removed" messages upon purge ~c

[積丹尼 Dan Jacobson]

You are confusing
> dpkg: warning: ignoring request to remove iproute which isn't installed
messages with
> Package libatkmm-1.6-1 is not installed, so it will not be removed

Two different bugs!