[Haskell-beginners] Re: Unicode in GHCi

Ahn, Ki Yung kyagrd at gmail.com
Wed Nov 12 02:11:07 EST 2008

Christos Chryssochoidis wrote:
> Hello,
> I'd like to type in GHCi some non-latin characters, but when I try it,
> no characters are inserted at all. Latin characters though are typed
> in fine, and in any other shell except GHCi I try non-Latin characters
> get typed without problem.

You should use the utf8-string library to print multibyte string
literals in GHC.


Linux distributions usually have this packaged.
Otherwise, you can to install this using cabal.

I am not sure whether there is a direct support for wide characters in

> I mean I'm not able to type in GHCi an expression like
> 'ᾶ' == 'ᾶ'    (can't type in the ᾶ)
> Is this a known GHCi restriction on the character set it accepts, or
> something is wrong with my setup of GHCi/terminal?
> I'm using GHC 6.10.1 in Mac OS X Terminal.

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