* modb.el (elmo-msgdb-create-message-entity-from-file): Define.

* modb.el (elmo-msgdb-create-message-entity-from-file): Define.

* modb-standard.el (toplevel): Require mime.
(modb-standard-entity-id): Use elmo-msgdb-message-entity-field.
(modb-standard-load-entity): Use elmo-msgdb-message-entity-field and
elmo-msgdb-message-entity-number.
(elmo-msgdb-append-entity): Ditto.
(elmo-msgdb-create-message-entity-from-file): Remove.
(elmo-msgdb-create-message-entity-from-buffer): Use msgdb which
corresponds to the entity.
(elmo-msgdb-message-entity-number): Do nothing currently.
(elmo-msgdb-message-entity-field): Ditto.
(elmo-msgdb-message-entity-set-field): Ditto.
(elmo-msgdb-copy-message-entity): Ditto.
(elmo-msgdb-match-condition-internal): Ditto.

* modb-legacy.el (elmo-msgdb-insert-file-header): Moved to elmo-util.el.
(elmo-msgdb-create-message-entity-from-file): Remove.

* elmo-util.el (elmo-msgdb-insert-file-header): Moved from modb-legacy.el.
(elmo-multiple-field-body): Moved from elmo-util.el.

* elmo-msgdb.el (elmo-multiple-field-body): Moved to elmo-util.el.