The bug is cause by acroread. the function _filedir() in /etc/bash_completion.d/acroread.sh make the issue.
When commenting the function, the problem disappear. ** Package changed: bash-completion (Ubuntu) => acroread (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/769866 Title: tab completion no longer escapes filenames and completes dirnames incorrectly (space instead of slash) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/acroread/+bug/769866/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs