-.B Return
-Confirm selection and quit (print the selected item to standard output). Returns
-.B 0
-on termination.
-.TP
-.B Shift-Return (Control-j)
-Confirm selection and quit (print the text in the input field to standard output).
-Returns
-.B 0
-on termination.
-.TP
-.B Escape (Control-bracketleft)
-Quit without selecting an item. Returns
-.B 1
-on termination.
-.TP
-.B Backspace (Control-h)
-Remove enough characters from the input field to change its filtering effect.
-.TP
-.B Control-u
-Remove all characters from the input field.