* lisp/isearch.el (minibuffer-local-isearch-map): Remove comments
which warn against wantonly rebinding unbound keys from
irrelevant keymap.
https://lists.gnu.org/archive/html/emacs-devel/2021-01/msg00259.html
:image '(isearch-tool-bar-image "left-arrow")))
map))
-;; Note: Before adding more key bindings to this map, please keep in
-;; mind that any unbound key exits Isearch and runs the command bound
-;; to it in the local or global map. So in effect every key unbound
-;; in this map is implicitly bound.
(defvar minibuffer-local-isearch-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map minibuffer-local-map)