Handling of input in vym seems to be different from the rest of the system, which causes errors when typing accentuated letters.
In all of the different examples, accentuated letters works on all other applications (my window manager is Xfce, in case that matters).
I can reproduce that with different setups:
- with fr_latin9, I can type accentuated letters, except a circumflex on e (ê)
- with us_intl, I can't type any accents
In all cases, I can produce the letter in a terminal and copy/paste it in vym, and it works.
The corresponding Debian bug is http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=692268