Nicolas Richard <theonewiththeevillook@yahoo.fr> writes:
> The function `ido-restrict-to-matches' is used within ido to restrict
> focus on currently matched items. It was asked on #emacs to have a
> function with the opposite effect : restrict focus on unmatched items.
>
> I found it was useful for me and came up with this solution (adding an
> optional argument to the existing function) :

I modified the patch a tiny bit and now use the new library seq.el and
add a NEWS entry. If nobody complains I'll install this patch in the
next few days.