By adding events of the form (cons t event) to unread-command-events, Emacs
correctly updates this-command-keys for the subsequent use of the prefix.
Before this change, packages like my which-key were not getting the correct
prefix after use-package-autoload-keymap loaded the relevant package.
See https://github.com/justbur/emacs-which-key/issues/192
(bind-key* key keymap)
(bind-key key keymap))
(setq unread-command-events
- (listify-key-sequence kv)))
+ (mapcar (lambda (ev) (cons t ev))
+ (listify-key-sequence kv))))
(use-package-error
(format "package.el %s failed to define keymap %s"
package keymap-symbol)))))