[Haskell-cafe] ∀ lexing in ghc and ghci
ketil at malde.org
Fri Sep 18 02:28:41 EDT 2009
Daniel Fischer <daniel.is.fischer at web.de> writes:
>> In ghci I can do
>> > ∀ :: Var -> Base -> Formula -> Formula
>> > ∀ = All
>> fine. But then ghc complains. What's going on here?
> Maybe your encodings aren't UTF8?
Or rather, one of them is UTF-8, and the other isn't. So that in one
case, you get the 'forall' Unicode symbol, and in the other, you get a
sequence of two (or more?) code-points between 128 and 255, which happen
to not be declared as symbols. (This is just a guess, I haven't really
See also this thread:
If I haven't seen further, it is by standing in the footprints of giants
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