-.B Any printable character
-Appends the character to the text in the input field. This works as a filter:
-only items containing this text will be displayed.
-.TP
-.B Left/Right
-Select the previous/next item.
-.TP
-.B PageUp/PageDown
-Select the first item of the previous/next 'page' of items.
-.TP
-.B Home/End
-Select the first/last item.
-.TP
-.B Tab