And it's enabled on my system, too. However, libgl1-mesa-glx-lts-quantal won't be installed by Muon, Synaptic or apt-get.
Only if I *manually* add libgl1-mesa-glx-lts-quantal :
sudo apt-get install xserver-xorg-lts-quantal libgl1-mesa-glx-lts-quantal
... kubuntu-desktop etc. won't be removed.
And it's enabled on my system, too. However, libgl1- mesa-glx- lts-quantal won't be installed by Muon, Synaptic or apt-get.
Only if I *manually* add libgl1- mesa-glx- lts-quantal :
sudo apt-get install xserver- xorg-lts- quantal libgl1- mesa-glx- lts-quantal
... kubuntu-desktop etc. won't be removed.