haskell/cabal — pull request #2005 by saturday06 (2014-07-21 14:34:39+00:00)
Title: Read .cabal file as UTF-8

https://github.com/haskell/cabal/issues/1883 Accoring to users guide .cabal file must be writting in UTF-8.
http://www.haskell.org/cabal/users-guide/developing-packages.html#package-descriptions