[Newbies] UTF support in Linux?

Bert Freudenberg bert at freudenbergs.de
Tue Jul 8 22:20:52 UTC 2008

Am 08.07.2008 um 23:09 schrieb smith02243:

> Hi all,
> In the Linux VM, when I try to input, via paste or the right alt
> combination, non-ascii characters, like 'ö' or 'é' for example, Squeak
> merely shows 'o?' or 'e?' I researched into this and accordingly  
> chose a
> font that supports UTF-8 and set the locale and VM command line  
> options
> appropriately:
> export LC_CTYPE="en_IE.UTF-8"
> locale-gen en_IE.UTF-8
> (...which claims that locale is upto date...)
> sudo dpkg-reconfigure -plow locales
> (...which outputs en_IE.UTF-8... done among other things....)
> squeak -encoding UTF-8 -textenc UTF-8 -pathenc UTF-8
> Squeak3.10.2-7179-basic.image
> Now when I try to input the aforementioned characters I encounter a  
> debug
> message: "Error subscript is out of bound."
> However, I have set Squeak's language to Spanish and then German,  
> and the
> characters display perfectly well in the menus. Although, the same  
> cannot be
> said for the any files with non-ascii characters in the file  
> dialogue. So,
> it seems it's an input problem.
> Anyone with any ideas? Thanks.

This has only been addressed recently, and may not have found its way  
into a release yet.

You need the very latest Squeak VM (3.10-1 at least). It supports  
Unicode keyboard events (which are passed to the image as UTF32).

To make use of these events your image needs to be using  
UTF32InputInterpreter. Evaluate

ActiveHand keyboardInterpreter

to see the currently used one. It can be changed by patching  
Latin1Environment class>>inputInterpreterClass.

I don't know if this is in any official release yet, or scheduled for  

Some relevant change sets from the Etoys image seem to be


- Bert -

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