Commit 0516edee authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(save-buffer-coding-system): New variable.

(basic-save-buffer-1): Obey it.
(basic-save-buffer): Set save-buffer-coding-system instead of
buffer-file-coding-system, if save-buffer-coding-system is already non-nil.
parent c83c4f60
......@@ -2147,6 +2147,14 @@ the last real save, but optional arg FORCE non-nil means delete anyway."
(defvar after-save-hook nil
"Normal hook that is run after a buffer is saved to its file.")
(defvar save-buffer-coding-system nil
"If non-nil, use this coding system for saving the buffer.
More precisely, use this coding system in place of the
value of `buffer-file-coding-system', when saving the buffer.
Calling `write-region' for any purpose other than saving the buffer
will still use `buffer-file-coding-system'; this variable has no effect
in such cases.")
(defun basic-save-buffer ()
"Save the current buffer in its visited file, if it has been modified.
After saving the buffer, run `after-save-hook'."
......@@ -2211,7 +2219,9 @@ After saving the buffer, run `after-save-hook'."
;; Now we have saved the current buffer. Let's make sure
;; that buffer-file-coding-system is fixed to what
;; actually used for saving by binding it locally.
(setq buffer-file-coding-system last-coding-system-used)
(if save-buffer-coding-system
(setq save-buffer-coding-system last-coding-system-used)
(setq buffer-file-coding-system last-coding-system-used))
(setq buffer-file-number
(nthcdr 10 (file-attributes buffer-file-name)))
(if setmodes
......@@ -2231,7 +2241,10 @@ After saving the buffer, run `after-save-hook'."
;; but inhibited if one of write-file-hooks returns non-nil.
;; It returns a value to store in setmodes.
(defun basic-save-buffer-1 ()
(let (tempsetmodes setmodes)
(let ((buffer-file-coding-system
(or save-buffer-coding-system
buffer-file-coding-system))
tempsetmodes setmodes)
(if (not (file-writable-p buffer-file-name))
(let ((dir (file-name-directory buffer-file-name)))
(if (not (file-directory-p dir))
......
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