i made an inaccurate description of the bug. the real problem were that when you click in a cell and push the backspace key the shortcut are set to "backspace".
But now it work properly. -- in keyboard Shortcut backspace key don't erase shortcut https://launchpad.net/bugs/59669 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
