* wl-folder.el (wl-folder-count-incorporates): Don't use

* wl-folder.el (wl-folder-count-incorporates): Don't use
`elmo-msgdb-mark-load'

* elmo.el (elmo-generic-folder-append-messages): Follow the API
change.
(elmo-message-mark): Abolish.
(elmo-folder-synchronize): Use `elmo-msgdb-out-of-date-messages'
instead of `elmo-msgdb-change-mark'.

* elmo-pipe.el (elmo-message-mark): Abolish.

* elmo-multi.el (elmo-message-mark): Ditto.

* elmo-msgdb.el (elmo-msgdb-new-mark): Changed to constant.
(elmo-msgdb-unread-uncached-mark): Ditto.
(elmo-msgdb-unread-cached-mark): Ditto.
(elmo-msgdb-read-uncached-mark): Ditto.
(elmo-msgdb-answered-cached-mark): Ditto.
(elmo-msgdb-answered-uncached-mark): Ditto.
(elmo-msgdb-important-mark): Ditto.
(elmo-msgdb-flags-to-mark): Remove arguments `cached' and
`use-cache'.
(elmo-msgdb-append-entity): Changed 3rd arg from `mark' to
`flags'.
(elmo-flag-table-load): Changed flag to list of flag.
(elmo-flag-table-set): If flags is nil, set read flag.
(elmo-flag-table-get): Return derived flags from global mark,
cache status and saved flags.
(elmo-msgdb-flag-table): Follow the change above.
(elmo-msgdb-out-of-date-messages): New function.

* elmo-shimbun.el (elmo-folder-msgdb-create): Follow the API change.

* elmo-sendlog.el (elmo-folder-msgdb-create): Ditto.

* elmo-pop3.el (elmo-pop3-msgdb-create-message): Ditto.

* elmo-nntp.el (elmo-nntp-create-msgdb-from-overview-string): Ditto.
(elmo-nntp-msgdb-create-message): Ditto.

* elmo-map.el (elmo-folder-pack-numbers): Ditto.

* elmo-maildir.el (elmo-maildir-list-location): Treat flags as
independent.
(elmo-folder-msgdb-create): Follow the API change.

* elmo-localdir.el (elmo-folder-msgdb-create): Ditto.
(elmo-folder-append-messages): Ditto.

* elmo-imap4.el (elmo-imap4-fetch-callback-1-subr): Ditto.
(elmo-folder-append-buffer): Ditto.

* elmo-filter.el (elmo-folder-msgdb-create): Ditto.

* elmo-cache.el (elmo-folder-msgdb-create): Ditto.

* elmo-archive.el (elmo-archive-msgdb-create-as-numlist-subr1): Ditto.
(elmo-archive-parse-mmdf): Ditto.