Sync

Sync
with `t-gnus-6_14'.

* message.el (message-save-drafts): Rewrite.

Sync with Gnus 200006050242 (quimby's clock may lose a day :-).

* nnheader.el (nnheader-text-coding-system-for-write,
nnheader-text-coding-system): New variables, substitutes for
`mm-text-coding-system-for-write' or `mm-text-coding-system'.

* nnmbox.el (nnmbox-active-file-coding-system, nnmbox-file-coding-system): Use
`nnheader-text-coding-system'.
* nnmail.el (nnmail-incoming-coding-system): Ditto.
* nnfolder.el (nnfolder-file-coding-system): Ditto.
(nnfolder-active-file-coding-system): Ditto.

* mail-source.el (mail-source-text-coding-system): Remove.
(TopLevel): require `nnheader'.

* nndraft.el (nndraft-request-article): Bind coding system to
`nnheader-text-coding-system'.
(nndraft-request-replace-article): Ditto.
* mail-source.el (mail-source-fetch-maildir): Ditto.
* gnus-uu.el (gnus-uu-save-article): Ditto.
* gnus-util.el (gnus-output-to-mail, gnus-output-to-rmail): Ditto.
* gnus-soup.el (gnus-soup-write-prefixes): Ditto.

* gnus-util.el (gnus-write-buffer): Bind `file-name-coding-system' to
`nnmail-pathname-coding-system'.
* gnus-start.el (gnus-slave-save-newsrc): Bind coding system to
`gnus-startup-file-coding-system'.