I'm not sure if it is to do with this:
"Because of the GHC 6.12 transition, some Haskell packages may be uninstallable or out of date in the current (pre-release) lucid archive. IainLane (laney) is managing the transition; please contact him if you would like to help". https://wiki.ubuntu.com/MOTU/Teams/UncommonProgrammingLanguages/Haskell
I'm not sure if it is to do with this: /wiki.ubuntu. com/MOTU/ Teams/UncommonP rogrammingLangu ages/Haskell
"Because of the GHC 6.12 transition, some Haskell packages may be uninstallable or out of date in the current (pre-release) lucid archive. IainLane (laney) is managing the transition; please contact him if you would like to help".
https:/