previous-line-or-history-element
previous-line-or-history-element is an interactive compiled Lisp function in `simple.el
'.
(previous-line-or-history-element &optional ARG)
Move cursor vertically up ARG lines, or to the previous history element.
When point moves over the top line of multi-line minibuffer, puts ARGth
previous element of the minibuffer history in the minibuffer.