Bug#686346: closed by Michael Vogt <mvo@debian.org> (Bug#686346: fixed in apt 0.9.7.5)

[Daniel Hartwig <mandyke@gmail.com>]

On 14 September 2012 09:50, Vincent Lefevre <vincent@vinc17.net> wrote:
>> $ apt-cache policy docbook-mathml

>> $ apt-cache policy docbook-mathml:*

>> $ dpkg -s docbook-mathml
>
> Package: docbook-mathml
> Status: install ok installed

>> $ dpkg -C
>
> The following packages are missing the md5sums control file in the
> database, they need to be reinstalled:
>  kernel-image-2.6.12-20050829 Linux kernel binary image for version 2.6.12-2005
>  libgdbmg1            GNU dbm database routines (runtime version)
>  libnewt0             Not Erik's Windowing Toolkit - text mode windowing with s

Is this with docbook-xml not installed?  I had meant to check those
commands without docbook-xml, as per your previous indication that the
system didn't know of the broken dependency.