Thank you, Serge,

> You can use Kedama : 
> http://www.is.titech.ac.jp/~ohshima/squeak/kedama/kedama.html

  The new version that is usable is underway.  (Code is finished but
needs packaging.)

  I didn't announce the last version, but I'll do it for the new one
as soon as possible.

-- Yoshiki