6.12.1rc1: non-Latin filenames in GHCi

[Chryssochoidis Christos]

Thanks Don for your reply.
I may have overlooked something in the blog post you gave, but my  
understanding is that it talks about the user's input/output to and  
from GHCi and the file system. The user IO with non-Latin chars seems  
to work fine in GHC 6.12.1; e.g.:

>
> *Main> putStrLn "πρόχειρον.hs"
> πρόχειρον.hs

> *Main> getLine >>= putStrLn
> πρόχειρον.hs
> πρόχειρον.hs
> *Main>

It's only when GHCi attempts to print a diagnostic message containing  
a filename with non-Latin chars that the garbling occurs:

> *Main> :load πρόχειρον.hs
> [1 of 1] Compiling Main             ( πρΠ
> ¿ÌÏ‡ÎµÎ¹ÏÎ¿Î½.hs, interpreted )
>
> πρόχειρον.hs:1:23:
>     Not in scope: type constructor or class `Boo'
> Failed, modules loaded: none.
> Prelude>

It would be nice if the error messages at least showed correctly the  
filename.

Maybe this has something to do with Haskeline?

Anyway thanks again,

Christos



On 18 Οκτ 2009, at 6:11 μ.μ., Don Stewart wrote:

> christosc:
>> I've noticed that when I load in GHCi a file  that has a non-latin  
>> name,
>> although it gets loaded, its name appears garbled in the message  
>> after
>> the loading:
>>
>>> Prelude> :load πρόχειρον.hs
>>> [1 of 1] Compiling Main             ( πρΠ
>>> ¿ÌÏ‡ÎµÎ¹ÏÎ¿Î½.hs,
>>> interpreted )
>>> Ok, modules loaded: Main.
>>> *Main>
>>
>> Is this expected, or something is wrong with my setup? It's a rather
>> insignificant issue, but I thought to ask about it.
>> I'm using GHC 6.12.1rc1 on Mac OS X 10.6.1.
>>
>
> Perhaps you're seeing the GHC support for locales in 6.12.
>
>    http://ghcmutterings.wordpress.com/2009/09/30/heads-up-what-you-need-to-know-about-unicode-io-in-ghc-6-12-1/
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