maintain and is only going to get worse as more are used. So instead, add a new
uint64_t member to cmd_entry which is a bitmask of upper and lowercase options
accepted by the command.
This means new single character options can be used without the need to add it
explicitly to the list.
and makes emacs happy when pasting into some modes. A new -r (raw) flag to
paste-buffer pastes without the translation.
From Kalle Olavi Niemitalo, thanks!
terminal to be switched between several different windows and programs
displayed on one terminal be detached from one terminal and moved to another.
ok deraadt pirofti