* poe-18.el (frame-width): New function.

* poe-18.el (frame-width): New function.
(frame-height): Ditto.
(set-frame-width): Ditto.
(set-frame-heigth): Ditto.
(read-from-minibuffer): Run `minibuffer-setup-hook' and
`minibuffer-exit-hook'.
(buffer-undo-list): Declared with `defvar-maybe' and add doc
string.
(auto-fill-function): Add doc string.
(unread-command-event): Ditto.
(unread-command-events): Ditto.
(minibuffer-setup-hook): New variable.
(minibuffer-exit-hook): Ditto.
(minor-mode-map-alist): Ditto.
(minor-mode-alist): Ditto.
(minor-mode-overriding-map-alist): Ditto.