Wrong key mapping in X

[MR ZenWiz]

On Wed, Dec 8, 2010 at 4:30 AM, Marcelo Magno T. Sales
<mmtsales at gmail.com> wrote:
> Hello,
>
> Since I upgraded to Maverick, when I press "'" followed by "c" I get a
> "ć" instead of a "ç" as I did in previous versions.
> How do I get the old behavior back? "ć" is not part of my alphabet, I
> need a "ç".
>
So, on a blank GNOME desktop with no applications running, this is what you see?

(Hint: Provide a little more information so we can have some clue what
you're talking about....)