Hi all,

H98 and H2010 allow a context to be given for datatypes, e.g. the
"Eq a" in

    data Eq a => Foo a = Constr a

I have made a proposal to remove support for that context (ticket #139).
More details are on the proposal wiki page:

    http://hackage.haskell.org/trac/haskell-prime/wiki/NoDatatypeContexts


Thanks
Ian

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