* mm-util.el (mm-use-find-coding-systems-region): New variable.

(mm-find-mime-charset-region): Use it.
	* nntp.el (nntp-send-buffer): Use mm-with-unibyte-current-buffer.

lisp/gnus/ChangeLog

@@ -1,6 +1,9 @@
 2002-01-03  ShengHuo ZHU  <zsh@cs.rochester.edu>
 
 	* mm-util.el (mm-charset-to-coding-system): Don't setq charset.
+	* mm-util.el (mm-use-find-coding-systems-region): New variable.
+	(mm-find-mime-charset-region): Use it.
+	* nntp.el (nntp-send-buffer): Use mm-with-unibyte-current-buffer.
 
 2002-01-01  ShengHuo ZHU  <zsh@cs.rochester.edu>
 

lisp/gnus/mm-util.el

@@ -281,6 +281,10 @@ prefer iso-2022-jp to japanese-shift-jis:
   '(iso-2022-jp iso-2022-jp-2 japanese-shift-jis utf-8))
 ")
 
+(defvar mm-use-find-coding-systems-region
+  (fboundp 'find-coding-systems-region)
+  "Use `find-coding-systems-region' to find proper coding systems.")
+
 ;;; Internal variables:
 
 ;;; Functions:
@@ -494,7 +498,7 @@ charset, and a longer list means no appropriate charset."
   (let (charsets)
     ;; The return possibilities of this function are a mess...
     (or (and (mm-multibyte-p)
-	     (fboundp 'find-coding-systems-region)
+	     mm-use-find-coding-systems-region
 	     ;; Find the mime-charset of the most preferred coding
 	     ;; system that has one.
 	     (let ((systems (find-coding-systems-region b e)))

lisp/gnus/nntp.el

@@ -397,8 +397,10 @@ noticing asynchronous data.")
       (set-buffer (nntp-find-connection-buffer nntp-server-buffer))
       (erase-buffer)))
   (nntp-encode-text)
-  (process-send-region (nntp-find-connection nntp-server-buffer)
-		       (point-min) (point-max))
+  (mm-with-unibyte-current-buffer
+    ;; Some encoded unicode text contains character 0x80-0x9f e.g. Euro.
+    (process-send-region (nntp-find-connection nntp-server-buffer)
+			 (point-min) (point-max)))
   (nntp-retrieve-data
    nil nntp-address nntp-port-number nntp-server-buffer
    wait-for nnheader-callback-function))