* message.el (message-narrow-to-head-1): New function.

* message.el (message-narrow-to-head-1): New function.
(message-narrow-to-head): Use it.
(message-reply): Ditto.
(message-cancel-news): Ditto.
(message-supersede): Ditto.
(message-make-forward-subject): Ditto.
(message-bounce): Ditto.

* gnus-msg.el (gnus-summary-mail-forward): Use original buffer.

* message.el (message-forward): Copy buffer in unibyte mode.
(message-make-forward-subject): Don't widen. Decode.
(message-forward): Don't decode subject.

* mml.el (gnus-ems): Require it.

* gnus-msg.el (gnus-summary-mail-forward):

* message.el (message-forward):  Move mime-to-mml here.

* nnmbox.el (nnmbox-file-coding-system): Use binary.
(nnmbox-active-file-coding-system): Ditto.

* gnus-cus.el (gnus-group-parameters): Add posting-style.

* mm-uu.el: Require binhex.

* qp.el (quoted-printable-encode-region): Upcase QP.