(defcustom ido-use-virtual-buffers nil
"If non-nil, refer to past buffers as well as existing ones.
Essentially it works as follows: Say you are visiting a file and
-the buffer gets cleaned up by mignight.el. Later, you want to
+the buffer gets cleaned up by midnight.el. Later, you want to
switch to that buffer, but find it's no longer open. With
virtual buffers enabled, the buffer name stays in the buffer
list (using the `ido-virtual' face, and always at the end), and if