* wl-draft.el (wl-draft): Set buffer-undo-list as nil.

* wl-draft.el (wl-draft): Set buffer-undo-list as nil.

* elmo.el (elmo-generic-folder-commit): Use elmo-folder-list-messages.
(elmo-folder-set-info-max-by-numdb): Changed argument to number list.
(elmo-generic-folder-diff): Abolish argument.
(elmo-msgdb-load): Don't use number-alist.

* elmo-filter.el (elmo-folder-diff): Abolish argument.

* elmo-pipe.el (elmo-folder-diff): Ditto.

* elmo-nmz.el (elmo-folder-diff): Ditto.

* elmo-net.el (elmo-folder-diff): Ditto.

* elmo-maildir.el (elmo-folder-diff): Ditto.

* elmo-imap4.el (elmo-folder-diff-async): Ditto.

* elmo-multi.el (elmo-folder-diff): Ditto
(elmo-multi-folder-diff): Rewrite.