I'm seeing this exact problem, Ubuntu 12.04.1 amd64, skype, and the TCL/TK test up in the comments work with accents if called with
unset XMODIFIERS; skype
but not in its standard setup.
I'm seeing this exact problem, Ubuntu 12.04.1 amd64, skype, and the TCL/TK test up in the comments work with accents if called with
unset XMODIFIERS; skype
but not in its standard setup.