On 03/23/2014 02:17 AM, David Kastrup wrote:
> Andreas Schwab <schwab@linux-m68k.org> writes:
> 
>> David Kastrup <dak@gnu.org> writes:
>>
>>> After upgrading to Ubuntu 14.04 (and using Cinnamon), I can no longer
>>> use <Multi_key>.  Emacs flashes at me and displays "<Multi_key> is
>>> undefined".
>>
>> That means compose handling is broken on your system.
> 
> It's likely not just "my system" but in a month of time the most widely
> deployed GNU/Linux system.

FWIW, it's broken on 13.10 for me too.  Nulling out XMODIFIERS fixes it
for me; that environment variable normally contains something about
ibus; making that change ourselves probably breaks other functionality
though.