I can confirm this behavior in interpid. Although, I am not sure about the package. I think bash-completion returns proper mail: which is taken by bash and displayed as mail\: but I am not too sure.
** Changed in: bash-completion (Ubuntu) Status: New => Confirmed -- TAB autocomplete does not work correctly for "chown groups:user" https://bugs.launchpad.net/bugs/255058 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs