(jka-compr-insert-file-contents): Bind coding-system-for-read.

(jka-compr-write-region): Bind coding-system-for-write.
Set buffer-file-type if dos or nt.
(jka-compr-call-process): Bind coding-system-for-read
and coding-system-for-write.

1 files changed, 14 insertions, 8 deletions

diff --git a/lisp/jka-compr.el b/lisp/jka-compr.el
index 887247710d7..78f544d4d2c 100644
--- a/lisp/jka-compr.el
+++ b/lisp/jka-compr.el
@@ -297,8 +297,10 @@ to keep: LEN chars starting BEG chars from the beginning."
 (defun jka-compr-call-process (prog message infile output temp args)
   (if jka-compr-use-shell
 
-      (let ((err-file (jka-compr-make-temp-name)))
-            
+      (let ((err-file (jka-compr-make-temp-name))
+            (coding-system-for-read 'undecided)
+            (coding-system-for-write 'no-conversion) )
+
         (unwind-protect
 
             (or (memq
@@ -438,11 +440,14 @@ There should be no more than seven characters after the final `/'."
                                     compress-args)
 
             (with-current-buffer temp-buffer
-              (jka-compr-run-real-handler 'write-region
-                                          (list (point-min) (point-max)
-                                                filename
-                                                (and append can-append) 'dont))
-              (erase-buffer))
+              (let ((coding-system-for-write 'no-conversion))
+                (if (memq system-type '(ms-dos windows-nt))
+                    (setq buffer-file-type t) )
+                (jka-compr-run-real-handler 'write-region
+                                            (list (point-min) (point-max)
+                                                  filename
+                                                  (and append can-append) 'dont))
+                (erase-buffer)) )
 
             (jka-compr-delete-temp-file temp-file)
 
@@ -490,7 +495,8 @@ There should be no more than seven characters after the final `/'."
               (local-copy
                (jka-compr-run-real-handler 'file-local-copy (list filename)))
               local-file
-              size start)
+              size start
+              (coding-system-for-read 'undecided) )
 
           (setq local-file (or local-copy filename))