* wl-util.el (wl-parse-addresses): Define alias of

* wl-util.el (wl-parse-addresses): Define alias of
`elmo-parse-addresses' (move to `elmo-util.el').

* wl-summary.el (wl-summary-default-from): Follow the API change.
(wl-summary-overview-entity-compare-by-date): Ditto.
(wl-summary-overview-entity-compare-by-from): Ditto.
(wl-summary-get-list-info): Get value of `ml-info' field from
entity at first.
(wl-summary-rescan-message): Treat prefix argument.
(wl-summary-prefetch-msg): Follow the API change.
(wl-summary-search-by-subject): Ditto.
(wl-summary-insert-thread): Ditto.
(wl-summary-line-subject): Ditto.
(wl-summary-line-from): Ditto.
(wl-summary-create-line): Ditto.
(wl-summary-print-message-with-ps-print): Ditto.

* wl-score.el (wl-score-ov-entity-get): Ditto.
(wl-score-followup): Ditto.
(wl-score-add-followups): Use `elmo-message-entity-field' instead
of `car'.
(wl-score-get-latest-msgs): Follow the API change.
(wl-score-get-header): Ditto.

* wl-refile.el (wl-refile-learn): Ditto.
(wl-refile-subject-learn): Ditto.
(wl-refile-get-field-value): Ditto.
(wl-refile-guess-by-history): Ditto.
(wl-refile-guess-by-subject): Ditto.

* wl-mime.el (wl-mime-combine-message/partial-pieces): Ditto.

* wl-expire.el (wl-expire-date-p): Removed.
(wl-expire-archive-date): Follow the API change.
(wl-expire-localdir-date): Ditto.
(wl-summary-expire): Ditto.

* modb.el (elmo-msgdb-message-field): Add argument `type'.
(elmo-msgdb-match-condition): Get handler from entity instead of
msgdb.

* modb-standard.el (modb-standard-economize-entity-size): Abolish.
(modb-standard-load-entity): Treat new file format.
(modb-standard-save-entity-1): Save as new file format.
(modb-standard-save-entity): Split messages into section here.
(elmo-msgdb-message-field): Follow the API change.
(modb-standard-default-entity-handler): New internal variable.
(elmo-msgdb-message-entity-handler): Define.

* modb-entity.el (elmo-msgdb-prefer-in-reply-to-for-parent): Moved
to `elmo-vars.el'.
(modb-entity-field-extractor-alist): New user option.
(elmo-msgdb-message-entity-field): Removed argument `decode' and
added argument `type'.
(elmo-msgdb-copy-message-entity): Add optional argument
`make-handler'.
(modb-set-field-converter): New function.
(modb-convert-field-value): Ditto.
(modb-entity-string-decoder): Ditto.
(modb-entity-string-encoder): Ditto.
(modb-entity-parse-date-string): Ditto.
(modb-entity-make-date-string): Ditto.
(modb-entity-mime-decoder): Ditto.
(modb-entity-mime-encoder): Ditto.
(modb-entity-address-list-decoder): Ditto.
(modb-entity-address-list-encoder): Ditto.
(modb-entity-parse-address-string): Ditto.
(modb-entity-make-address-string): Ditto.
(modb-entity-create-field-indices): Ditto.
(modb-legacy-entity-field-slots): New constant.
(modb-legacy-entity-field-indices): Ditto.
(modb-legacy-entity-normalizer): New variable.
(modb-legacy-entity-specializer): Ditto.
(modb-legacy-entity-field-index): New macro.
(modb-legacy-entity-set-field): New function.
(modb-legacy-make-message-entity): Rewrite.
(elmo-msgdb-create-message-entity-from-buffer): Use
`elmo-msgdb-get-references-from-buffer'. Use
`elmo-decoded-field-body' instead of `elmo-unfold-field-body'.
Use `modb-legacy-entity-set-field' instead of
`elmo-msgdb-message-entity-set-field'.
(elmo-msgdb-message-entity-field): Rewrite.
(elmo-msgdb-message-entity-set-field): Ditto.
(elmo-msgdb-copy-message-entity): Make new entity by
`make-handler' if it specified.
(elmo-msgdb-message-match-condition): Define a method of
`modb-entity-handler' and follow the API change.
(modb-standard-entity-handler): New class.
(modb-entity-extract-ml-info-from-x-sequence): New function.
(modb-entity-extract-ml-info-from-subject): Ditto.
(modb-entity-extract-ml-info-from-return-path): Ditto.
(modb-entity-extract-ml-info-from-delivered-to): Ditto.
(modb-entity-extract-ml-info-from-mailing-list): Ditto.
(modb-entity-extract-mailing-list-info): Ditto.
(modb-entity-extract-mailing-list-info-functions): New variable.

* elmo.el (elmo-message-field): Add optional argument `type'.

* elmo-vars.el (elmo-msgdb-prefer-in-reply-to-for-parent): Moved
from `modb-entity.el'.

* elmo-util.el (elmo-object-load): Decode by coding-system from
`set-auto-coding-function'.
(elmo-object-save): Use `detect-mime-charset-region' and add
coding cookie if encode.
(elmo-msgdb-get-references-from-buffer): New function.
(elmo-parse-addresses): Ditto (renamed from `wl-parse-addresses').

* elmo-spam.el (elmo-spam-message-spam-p): Follow the API change.

* elmo-shimbun.el (elmo-shimbun-parse-time-string): Removed.
(elmo-shimbun-entity-to-header): Use `shimbun-create-header'
instead of `shimbun-make-header' and follow the API change.
(elmo-shimbun-update-overview): Follow the API change.
(elmo-map-folder-list-message-locations): Ditto.

* elmo-pipe.el (elmo-message-field): Ditto.

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

* elmo-nmz.el (elmo-nmz-msgdb-create-entity): Ditto.

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

* elmo-msgdb.el (elmo-message-entity-field): Ditto.
(elmo-msgdb-sort-by-date): Ditto.
(elmo-msgdb-flag-table): Use `elmo-msgdb-message-field' instead of
`elmo-message-entity-field'.
(elmo-msgdb-overview-entity-get-from-no-decode): Follow the API
change.
(elmo-msgdb-overview-entity-get-from): Ditto.
(elmo-msgdb-overview-entity-get-subject): Ditto.
(elmo-msgdb-overview-entity-get-subject-no-decode): Ditto.
(elmo-msgdb-overview-entity-get-date): Ditto.
(elmo-msgdb-overview-entity-get-to): Ditto.
(elmo-msgdb-overview-entity-get-cc): Ditto.

* elmo-mime.el (elmo-message-mime-entity): Ditto.
(elmo-mime-collect-message/partial-pieces): Ditto.

* elmo-filter.el (elmo-message-field): Ditto.

* elmo-date.el (elmo-datevec-to-time): New function.
(elmo-time-parse-date-string): Ditto.
(elmo-time-make-date-string): Ditto.
(elmo-time<): Ditto.