ghci can't handle utf-8 chinese char correctly when modify.

[guest]

ubuntu 8.04, ghc 6.10.4,gnome-terminal if you can't display chinese char and under ubuntu, may be you can use ubuntu's language support. ======================================================= Using chinese string inside ghci such as:

Prelude> "大家好，这是一段中文"

when use backspace, left arrow or any other action cause the cursor relocate.Will find out that the cursor can't relocate correctly, i.e. i use backspace to delete the whole string, ghci still display thing like below: Prelude> "大家好，这

if now use <Enter> to execute, resault just "Prelude>"

After several test i find out that, ghci "display part" treat every chinese char as two chars/bytes(or maybe longer), but ghci "inside" treat chinese char as one unicode char correctly.

Chinese can encode 2 to 4 bytes long, under Linux 2 to 4 bytes under diffrent locale setting, under Windows 2 bytes long.

[guest]

screen after modify

[judah]

Thanks for the report! This is an issue which needs to be fixed in Haskeline:

 http://trac.haskell.org/haskeline/ticket/81

I'll update this ticket with progress from that one.