Synch to No Gnus
200404080152.
* gnus-util.el (gnus-set-work-buffer): Set buffer multibyte.
(gnus-select-frame-set-input-focus): Don't check whether
`focus-follows-mouse' is bound.
(frame-parameter): Remove.
Typo.
Make it fully compatible with Gnus.
Don't require `advice', `pces' and `path-util'.
(pop3-ssl-program-name): Use `executable-find' instead of `exec-installed-p'.
(pop3-movemail): Don't use `write-region-as-binary'.
(pop3-open-server): Don't use `open-network-stream-as-binary'.
(pop3-open-ssl-stream): Don't use `as-binary-process'.
(pop3-open-tls-stream): Ditto.
(mail-source-fetch-pop): In Gnus, advise it to bind `pop3-connection-type' and
`pop3-leave-mail-on-server' while fetching mails, according to `mail-sources'.
* lisp/gnus-namazu.el (gnus-namazu/directory-table-use): Remove.
(gnus-namazu-imap-maildir): New variable.
(Various Summary Stuff): Fix translation.
(dgnushack-unexporting-files): Add legacy-gnus-agent.el.
mv comment from lisp/ChangeLog to ChangeLog.
(gnus-namazu-command-prefix): New variable.
(gnus-namazu-imap-group-prefix): Ditto.
(gnus-namazu/directory-table-use): Ditto.
(gnus-namazu/call-namazu): Use gnus-namazu-imap-group-prefix.
(gnus-namazu/search): Support Maildir.
;; Synch it to Wanderlust.
Support @docbook, @ifdocbook, @ifnotdocbook, and @registeredsymbol.