[Haskell] Haskell-mode 2.3

[Stefan Monnier]

A few minor typos/thinkos plagued Haskell-mode 2.2, so here's 2.3.

       http://www.iro.umontreal.ca/~monnier/elisp/

No significant change, apart from the inclusion of a haskell-cabal-mode for
Cabal description files (doesn't do anything useful, tho, other than
highlight comments).


        Stefan