[Gnus] Enable posting-style group parameter to hold non-ASCII string values

lisp/gnus/ChangeLog

+2012-08-22  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+	* gnus-cus.el (gnus-group-customize): Decode values posting-style holds.
+	(gnus-group-customize-done): Encode values posting-style holds.
+
+	* gnus-msg.el (gnus-summary-resend-message)
+	(gnus-configure-posting-styles): Decode values posting-style group
+	parameter holds.
+
 2012-08-21  Katsumi Yamaoka  <yamaoka@jpl.org>
 	* gnus-msg.el (gnus-summary-resend-message): Honor posting-style for

lisp/gnus/gnus-cus.el

@@ -417,6 +417,11 @@ category."))
 	    (delq elem tmp))
 	  (setq tmp (cdr tmp))))
 
+      ;; Decode values posting-style holds.
+      (dolist (style (cdr (assq 'posting-style values)))
+	(when (stringp (cadr style))
+	  (setcdr style (list (mm-decode-coding-string (cadr style) 'utf-8)))))
+
       (setq gnus-custom-params
             (apply 'widget-create 'group
                    :value values
@@ -487,14 +492,17 @@ form, but who cares?"
 (defun gnus-group-customize-done (&rest ignore)
   "Apply changes and bury the buffer."
   (interactive)
-  (if gnus-custom-topic
-      (gnus-topic-set-parameters gnus-custom-topic
-				 (widget-value gnus-custom-params))
-    (gnus-group-edit-group-done 'params gnus-custom-group
-				(widget-value gnus-custom-params))
-    (gnus-group-edit-group-done 'method gnus-custom-group
-				(widget-value gnus-custom-method)))
-  (bury-buffer))
+  (let ((params (widget-value gnus-custom-params)))
+    ;; Encode values posting-style holds.
+    (dolist (style (cdr (assq 'posting-style params)))
+      (when (stringp (cadr style))
+	(setcdr style (list (mm-encode-coding-string (cadr style) 'utf-8)))))
+    (if gnus-custom-topic
+	(gnus-topic-set-parameters gnus-custom-topic params)
+      (gnus-group-edit-group-done 'params gnus-custom-group params)
+      (gnus-group-edit-group-done 'method gnus-custom-group
+				  (widget-value gnus-custom-method)))
+    (bury-buffer)))
 
 ;;; Score Customization:
 

lisp/gnus/gnus-msg.el

@@ -1376,6 +1376,9 @@ For the \"inline\" alternatives, also see the variable
 	(user-full-name user-full-name)
 	(user-mail-address user-mail-address)
 	tem)
+    (dolist (style styles)
+      (when (stringp (cadr style))
+	(setcdr style (list (mm-decode-coding-string (cadr style) 'utf-8)))))
     (dolist (style (if styles
 		       (append gnus-posting-styles (list (cons ".*" styles)))
 		     gnus-posting-styles))
@@ -1807,6 +1810,10 @@ this is a reply."
       (when gnus-newsgroup-name
 	(let ((tmp-style (gnus-group-find-parameter group 'posting-style t)))
 	  (when tmp-style
+	    (dolist (style tmp-style)
+	      (when (stringp (cadr style))
+		(setcdr style (list (mm-decode-coding-string (cadr style)
+							     'utf-8)))))
 	    (setq styles (append styles (list (cons ".*" tmp-style)))))))
       ;; Go through all styles and look for matches.
       (dolist (style styles)