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Simon Peyton Jones authored
The change here is to make INCOHERENT slightly more permissive: if the selected candidate is incoherent then ignore all unifying candidates This allows us to move the {-# INCOHERENT #-} pragma from from instance Typeable (f a) to Typeable (n:Nat) and Typable (s:Symbol) where it belongs, and where Trac #9242 said it should be. I don't think this will affect anyone. I've updated the user manual.
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