[xmonad] UTF8 output from xmonad mangled

[Khudyakov Alexey]

В сообщении от 29 апреля 2010 09:30:22 Norbert Zeh написал:
> (1) xmonad seems to double-encode the utf string.  Namely, if I change
>     my ppOutput to hPutStrLn handle . UTF8.decodeString, things come out
>     *kind of* fine.
> 
Yes, it does. Actual culprits are functions from XMonad.Util.Font decodeInput 
and encodeInput they are encoding string as UTF8 and them GHC encode it second 
time.

I think that right fix is to use preprocessor do define them differently for 
GHC<=6.10 and GHC>=6.12. A bit ugly but should work for everyone.