* wl-summary.el

* wl-summary.el
(wl-summary-edit-addresses-collect-candidate-fields): Use
`elmo-with-enable-multibyte' instead of `elmo-set-work-buf'.

* wl-draft.el (wl-draft-yank-original): Use `with-temp-buffer'
instead of `elmo-set-work-buf'.

* wl-address.el (wl-address-make-alist-from-alias-file): Ditto.
(wl-address-make-address-list): Ditto.

* elmo-util.el (elmo-with-enable-multibyte): Don't bind
`default-enable-multibyte-characters'.
(elmo-object-load): Use `with-temp-buffer' instead of
`elmo-set-work-buf'.
(elmo-object-save): Ditto.
(elmo-mime-string): Use `elmo-with-enable-multibyte' instead of
`elmo-set-work-buf'.
(elmo-decoded-field-body): Ditto.

* elmo-shimbun.el (elmo-shimbun-entity-to-header): Ditto.

* elmo-sendlog.el (elmo-sendlog-folder-list-message-locations):
Use `with-temp-buffer' instead of `elmo-set-work-buf'.