Well, to make this bug self-contained, I am including the gr.kmap file, that I gzipped, that was contained in the debian bug report.
** Attachment added: "gr.kmap.gz file given on the debian report" http://librarian.launchpad.net/4861537/gr.kmap.gz -- Loadkeys fails to recognise some keysyms https://launchpad.net/bugs/24251 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs