Hack to make arrow syntax nicer.

Author: sheganinans

haskell-font-lock.el

@@ -50,6 +50,8 @@ alignment and can thus lead to nasty surprises w.r.t layout."
     (">=" . "≥")
     ("<=" . "≤")
     ("!!" . "‼")
+    ("***" . "⁂")  ;; Arrow syntax for: (***)
+    ("&&&" . "⅋") ;; Fix to avoid ugly (∧&) caused by next line.
     ("&&" . "∧")
     ("||" . "∨")
     ("sqrt" . "√")