* lisp/mail/mail-utils.el (mail-dont-reply-to-names): New variable,
from rmail-dont-reply-to-names. Callers changed.
(mail-dont-reply-to): Rename from mail-dont-reply-to.
(rmail-dont-reply-to): Make it an obsolete alias.
* lisp/mail/rmail.el (rmail-default-dont-reply-to-names): Default to
nil, and make obsolete.
(rmail-dont-reply-to-names): Alias to mail-dont-reply-to-names.
* lisp/mail/rmailsum.el (rmail-summary-sort-by-correspondent): Doc fix.
* lisp/mail/rmailsort.el (rmail-sort-by-correspondent)
(rmail-select-correspondent): Doc fix. Use mail-dont-reply-to.
* lisp/mail/rmail.el (rmail-reply): Use mail-dont-reply-to.
* lisp/mail/sendmail.el (mail-return-action): New var.
(mail-mode): Make it buffer-local.
(mail-bury): Obey it. Move special Rmail window handling to
rmail-mail-return.
(mail, mail-setup): New arg RETURN-ACTION.
(sendmail-user-agent-compose): Move from simple.el.
* lisp/simple.el (sendmail-user-agent-compose): Move to sendmail.el.
(compose-mail): New arg RETURN-ACTION.
(compose-mail-other-window, compose-mail-other-frame): Likewise.
* lisp/gnus/gnus-msg.el (gnus-msg-mail): New arg RETURN-ACTION. Pass it to
message-mail.
* lisp/gnus/message.el (message-mail): New arg RETURN-ACTION.
(message-return-action): New var.
(message-bury): Use it.
(message-mode): Make it buffer-local.
(message-send-and-exit): Always call message-bury.
(message-tool-bar-gnome): Tweak tool-bar items. Add :vert-only tags.
* lisp/mail/rmail.el (rmail-mail-return): New function.
(rmail-start-mail): Pass it to compose-mail.
* lisp/mh-e/mh-comp.el (mh-user-agent-compose): New arg RETURN-ACTION.
* buff-menu.el (Buffer-menu-buffer-list): New var.
(Buffer-menu-revert-function, list-buffers-noselect): Use it, so a
restricted buffer list is not lost on revert (Bug#7749).
* src/dispextern.h (struct it): New member overlay_strings_charpos.
* src/xdisp.c (next_overlay_string, load_overlay_strings): Record the
charpos where we computed n_overlay_strings.
(next_overlay_string): Load overlay strings at recorded position,
which may not be the same as the iterator's charpos (Bug#7016).
* lisp/mail/rmail.el (mail-sendmail-delimit-header, mail-header-end)
(mail-position-on-field): Remove declarations.
(mail-position-on-field): Autoload it.
(rmail-retry-failure): Replace use of mail-sendmail-delimit-header
and mail-header-end. Don't require sendmail.
* lisp/mail/rmail.el (rmail-forward): Replace mail-text-start with its
expansion, so as not to need sendmail.
(mail-text-start): Remove declaration.
(rmail-retry-failure): Require sendmail.
* mail/rmail.el (rmail-highlight-face): Restore option deleted
2008-02-13 without comment; mark it obsolete.
(rmail-highlight-headers): Use rmail-highlight-face once more.
of the current message, and from clobbering the encoding mnemonics
in the mode line (Bug#4623).
(rmail-swap-buffers): Swap encoding and modified flag, too.
(rmail-message-encoding): New variable.
(rmail-write-region-annotate): Record the encoding of the current message
in rmail-message-encoding.
(rmail-after-save-hook): New function, restores the encoding of the current
message after the message collection is saved.
