Hi Lennart,
I'm running slime on Mac OS X, with current (CVS) Emacs and openmcl. I tend to use Latin-1 coding for files, and the keyboard generates latin-1. In slime repl I get this (slightly edited for clairty):
[...]
It seems that the coding system emacs uses for the printed output is another then used for the main slime interaction. Changing coding system for the output stream seems to confirm this:
I'm not very good with coding systems. What would be the right thing?
-Luke