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That will destroy any GUI you have installed, so only a command-line purist would say that's good. Here is why you now have your desktop environment autoremovable: http://forums.debian.net/viewtopic.php?t=104157
No doubt you removed some package that the XFCE desktop metapackage depended on; can you remember what that was?
Other Packages Related to xorg
depends
recommends
suggests
enhances
dep: libgl1-mesa-dri
free implementation of the OpenGL API -- DRI modules
dep: libgl1-mesa-glx
transitional dummy package
or libgl1
Vendor neutral GL dispatch library -- legacy GL support
also a virtual package provided by libgl1-mesa-glx, libgl1-mesa-swx11
dep: libglu1-mesa
Mesa OpenGL utility library (GLU)
dep: x11-apps
X applications
dep: x11-session-utils
X session utilities
dep: x11-utils
X11 utilities
dep: x11-xkb-utils
X11 XKB utilities
dep: x11-xserver-utils
X server utilities
dep: xauth
X authentication utility
dep: xfonts-100dpi (>= 1:1.0.0-1)
100 dpi fonts for X
dep: xfonts-75dpi (>= 1:1.0.0-1)
75 dpi fonts for X
dep: xfonts-base (>= 1:1.0.0-1)
standard fonts for X
dep: xfonts-scalable (>= 1:1.0.0-1)
scalable fonts for X
dep: xfonts-utils
X Window System font utility programs
dep: xinit
X server initialisation tool
dep: xkb-data
X Keyboard Extension (XKB) configuration data
dep: xorg-docs-core
Core documentation for the X.org X Window System
dep: xserver-xorg (>= 1:7.7+19)
X.Org X server
dep: xterm
X terminal emulator
or x-terminal-emulator
virtual package provided by [show 37 providing packages]
sug: x11-xfs-utils
X font server utilities
sug: xorg-docs
Miscellaneous documentation for the X.org X Window System
Gotta say that i usually just let apt-get remove whatever it wants to remove and just reinstall it again, this time without metapackages.
If i read: "Type: 'Yes, do as i say !' "; i tend to hesitate .
Not saying i would tell anyone else to follow that, i admit, rather raw approach. Just chat.
Aptitude is a beautiful thing, if you like ncurses style, I do. Otherwise synaptic and gdebi accomplish anything needed. Synaptic can show the dependents, the depends, orphans, and can be extended in ways nobody pays attention to. Anymore, I do it all in synaptic. I doubt I will ever type apt autoremove or upgrade in a terminal ever again. It's simply not necessary .