[Haskell] Weird field name mangling.

[Arthur van Leeuwen]

L.S.,

consider the following code:

 > module TestZ where
 >
 > import Data.Generics
 >
 > data TestZ = TestZ { testz :: Int }
 >		deriving (Show, Read, Eq, Typeable, Data)
 >
 > main = print $ constrFields . toConstr $ TestZ { testz = 2 }

I would expect this to output ["testz"]. Instead it outputs ["testzz"],
using GHCi 6.4.1. Why is that z doubled?

Doei, Arthur.

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