Well, that's already some time ago, but from memory the main things were:

- set leadingChar 0 as synonym of unicode

- set leadingChar for several language environment to 0 (unicode) (Greek, Russian, ...)

2013/8/8 Yoshiki Ohshima <Yoshiki.Ohshima@acm.org>

On Tue, Aug 6, 2013 at 1:25 PM, Nicolas Cellier
<nicolas.cellier.aka.nice@gmail.com> wrote:
> Last thing, we have our squeakism: the #leadingChar. I let you dig into its
> usage, but it should be restricted for east asian languages support since
> squeak 4.x at least.

I am not on top of things (anything, really) but what has changed
since Squeak 4.x in this regard?

Just a historical note, but the concept of leadingChar was borrowed
from the multilingual Emacs effort, which eventually folded into the
mainstream Emacs.

--
-- Yoshiki