Hack to make arrow syntax nicer.

Author: sheganinans

haskell-font-lock.el

@@ -50,6 +50,7 @@ alignment and can thus lead to nasty surprises w.r.t layout."
     (">=" . "≥")
     ("<=" . "≤")
     ("!!" . "‼")
+    ("&&&" . "&&&")
     ("&&" . "∧")
     ("||" . "∨")
     ("sqrt" . "√")