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-rw-r--r--lisp/emacs-lisp/autoload.el4
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/autoload.el b/lisp/emacs-lisp/autoload.el
index a4289b6800d..fdb094450c3 100644
--- a/lisp/emacs-lisp/autoload.el
+++ b/lisp/emacs-lisp/autoload.el
@@ -292,7 +292,9 @@ autoloads go somewhere else.")
;; the local variables section if it's there.
(if existing-buffer
(set-buffer existing-buffer))
- (set-buffer (find-file-noselect generated-autoload-file))
+ ;; We must read/write the file without any code conversion.
+ (let ((coding-system-for-read 'no-conversion))
+ (set-buffer (find-file-noselect generated-autoload-file)))
(save-excursion
(save-restriction
(widen)