(uncompress-while-visiting):

Bind coding-system-for-write and coding-system-for-read.

1 files changed, 6 insertions, 1 deletions

diff --git a/lisp/uncompress.el b/lisp/uncompress.el
index ceaa0dac1ba..c731c23baf6 100644
--- a/lisp/uncompress.el
+++ b/lisp/uncompress.el
@@ -72,7 +72,12 @@ It then selects a major mode from the uncompressed file name and contents."
           (set-visited-file-name
            (concat (substring buffer-file-name 0 (match-beginning 0)) ".tar")))))
   (message "Uncompressing...")
-  (let ((buffer-read-only nil))
+  (let ((buffer-read-only nil)
+        (coding-system-for-write 'no-conversion)
+        (coding-system-for-read
+         (find-operation-coding-system
+          'insert-file-contents
+          buffer-file-name t)))
     (shell-command-on-region (point-min) (point-max) uncompress-program t))
   (goto-char (point-min))
   (message "Uncompressing...done")