ondrish@debian:~$ apt-cache policy kcontrol kdelibs4c2a
kcontrol:
  Installed: 4:3.5.5a.dfsg.1-2
  Candidate: 4:3.5.5a.dfsg.1-2
  Version table:
 *** 4:3.5.5a.dfsg.1-2 0
        500 http://debian.lcs.mit.edu sid/main Packages
        100 /var/lib/dpkg/status
kdelibs4c2a:
  Installed: 4:3.5.5a.dfsg.1-4
  Candidate: 4:3.5.5a.dfsg.1-4
  Version table:
 *** 4:3.5.5a.dfsg.1-4 0
        500 http://debian.lcs.mit.edu sid/main Packages
        100 /var/lib/dpkg/status