From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Tue, 4 Sep 2012 07:55:26 +0000 (+0000)
Subject: 1. deriving (Show) no longer used because it fails on empty types
X-Git-Tag: make_still_working~1510
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;ds=sidebyside;h=a634c95917dee0fca1d1cf77b6fb7491975128cc;hp=a634c95917dee0fca1d1cf77b6fb7491975128cc;p=helm.git

1. deriving (Show) no longer used because it fails on empty types
2. pretty-printing of types fixed: application arguments never had
   parentheses
3. Top replaced with GHC.Prim.Any
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