On 04/05/2014 06:32 AM, Giulio Petrucci wrote:
> I have set the righ Alt key as the composition key (for accents, ecc)
> but in Emacs it doesn,t work. My OS is Ubuntu 13.10.
>
> In GNU Emacs 24.3.50.1 (x86_64-pc-linux-gnu, GTK+ Version 3.8.6)
>  of 2014-01-02 on alphard, modified by Debian

Please try using an up-to-date build. I fixed this bug a few weeks ago.