Ok, the following patch seems to work for me, making my Right Control key work as expected. Somehow, a note should be taken somewhere to remember to change hexadecimal to meaningful names, when they will be in keysyms.h.
** Attachment added: "Patch to source to make Right Ctrl key work" http://librarian.launchpad.net/4859964/rightarrow.debdiff -- the layout ca(multix) is broken https://launchpad.net/bugs/49358 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs