The following fix did the trick for me: https://www.reddit.com/r/linuxquestions/comments/4ezv4s/us_international_keyboard_giving_%C4%87_instead_of_%C3%A7/
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libx11 in Ubuntu. https://bugs.launchpad.net/bugs/518056 Title: cedilla appears as accented c (ć instead of ç) when typing 'c To manage notifications about this bug go to: https://bugs.launchpad.net/xkeyboard-config/+bug/518056/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp