Hi,

Did something change in pretty-printing recently? I saw these new validate failures today:

Unexpected failures:
   ghci.debugger/scripts  break008 [bad stdout] (ghci)
   ghci.debugger/scripts  break012 [bad stdout] (ghci)
   ghci.debugger/scripts  break026 [bad stdout] (ghci)
   ghci.debugger/scripts  hist001 [bad stdout] (ghci)
   ghci/scripts           T5545 [bad stdout] (ghci)
   ghci/scripts           ghci008 [bad stdout] (ghci)
   ghci/scripts           ghci012 [bad stdout] (ghci)
   ghci/scripts           ghci023 [bad stdout] (ghci)
   ghci/scripts           ghci025 [bad stdout] (ghci)
   ghci/scripts           ghci026 [bad stdout] (ghci)
   ghci/scripts           ghci055 [bad stdout] (ghci)

Two example stdout changes:

--- ./T5545.stdout 2014-03-13 09:48:23.000000000 +0100
+++ ./T5545.run.stdout 2014-03-13 21:11:32.000000000 +0100
@@ -1,2 +1,2 @@
-($!) :: (a -> b) -> a -> b -- Defined in ‘Prelude’
+$! :: forall a b. (a -> b) -> a -> b -- Defined in ‘Prelude’
 infixr 0 $!
*** unexpected failure for T5545(ghci)

--- ./ghci008.stdout 2014-03-13 09:48:23.000000000 +0100
+++ ./ghci008.run.stdout 2014-03-13 21:12:20.000000000 +0100
@@ -32,5 +32,5 @@
    -- Defined in ‘GHC.Float’
 instance RealFloat Float -- Defined in ‘GHC.Float’
 instance RealFloat Double -- Defined in ‘GHC.Float’
-Data.List.isPrefixOf :: Eq a => [a] -> [a] -> Bool
+isPrefixOf :: forall a. Eq a -> [a] -> [a] -> Bool
    -- Defined in ‘Data.List’
*** unexpected failure for ghci008(ghci)