abd ∷ Num a ⇒ a → a abd a = a

(⋴) a b = a ++ b test2 x = map (λx → x ⋴ "abc") -- line 17

Test.hs:17:18: parse error on input `?'

All of these special characters are unicode, and work great, except the lambda. Any unicode character put here gives this error. http://hackage.haskell.org/trac/haskell-prime/wiki/UnicodeInHaskellSource -- claims otherwise.