Bug#723949: cannot upgrade

[jidanni@jidanni.org]

Package: xserver-xorg-core
Version: 2:1.12.4-6.2+b2
Severity: wishlist

Is there something I am doing wrong?

# aptitude install ~U
The following packages will be upgraded:
  xserver-xorg-core
1 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 1,232 kB of archives. After unpacking 360 kB will be freed.
The following packages have unmet dependencies:
 xserver-xorg-input-synaptics : Depends: xorg-input-abi-16 which is a virtual package.
 xserver-xorg-input-kbd : Depends: xorg-input-abi-16 which is a virtual package.
 xserver-xorg-video-intel : Depends: xorg-video-abi-12 which is a virtual package.
 xserver-xorg-video-fbdev : Depends: xorg-video-abi-12 which is a virtual package.
 xserver-xorg-input-evdev : Depends: xorg-input-abi-16 which is a virtual package.
 xserver-xorg-input-mouse : Depends: xorg-input-abi-16 which is a virtual package.
The following actions will resolve these dependencies:

     Remove the following packages:
1)     xorg
2)     xserver-xorg
3)     xserver-xorg-input-evdev
4)     xserver-xorg-input-kbd
5)     xserver-xorg-input-mouse
6)     xserver-xorg-input-synaptics
7)     xserver-xorg-video-fbdev
8)     xserver-xorg-video-intel

Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     xserver-xorg-core [2:1.12.4-6.2+b2 (now, unstable)]

Accept this solution? [Y/n/q/?] n

*** No more solutions available ***
-- System Information:
Debian Release: jessie/sid
  APT prefers experimental
  APT policy: (990, 'experimental'), (500, 'unstable')