From e8752d11321e8e356815280553ffa3df40a2a3fb Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Fri, 11 Jun 1999 00:46:13 +0000
Subject: [PATCH] (gnus-article-display-x-face-with-x-face-mule): Warn if it
 is used with X-Face 0.25 or later.  Note that it should be
 abolished in the future.

---
 lisp/gnus-art.el |   24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/lisp/gnus-art.el b/lisp/gnus-art.el
index 4e00ea7..32dabe1 100644
--- a/lisp/gnus-art.el
+++ b/lisp/gnus-art.el
@@ -2923,8 +2923,9 @@ value of the variable `gnus-show-mime' is non-nil."
 				(with-current-buffer gnus-summary-buffer
 				  default-mime-charset))))
 
+;; The following procedures will be abolished in the future.
 (autoload 'x-face-mule-x-face-decode-message-header "x-face-mule")
-
+(defvar x-face-mule-version-number)
 (defun gnus-article-display-x-face-with-x-face-mule (&rest args)
   "Decode and show X-Face with the function
 `x-face-mule-x-face-decode-message-header'.  The buffer is expected to be
@@ -2933,11 +2934,30 @@ narrowed to just the headers of the article."
     (error "`%s' won't work under XEmacs."
 	   'gnus-article-display-x-face-with-x-face-mule))
   (when window-system
+    (when (and (boundp 'x-face-mule-version-number)
+	       (> (string-to-number x-face-mule-version-number) 0.24)
+	       (not (gnus-buffer-live-p "*X-Face-Mule WARNING*")))
+      (let ((buffer (generate-new-buffer "*X-Face-Mule WARNING*")))
+	(save-window-excursion
+	  (pop-to-buffer buffer)
+	  (insert (format
+		   "WARNING:
+`%s' is an obsolete function.
+You have no use for setting the variable `%s',
+however, it will be set suitably by X-Face-Mule %s.
+Type any key: "
+		   'gnus-article-display-x-face-with-x-face-mule
+		   'gnus-article-x-face-command
+		   x-face-mule-version-number))
+	  (let ((inhibit-quit t) (echo-keystrokes 0) cursor-in-echo-area)
+	    (read-char-exclusive))
+	  (beginning-of-line)
+	  (delete-region (point) (point-max)))))
     (condition-case err
 	(x-face-mule-x-face-decode-message-header)
       (error (error "%s"
 		    (if (featurep 'x-face-mule)
-			"Please install x-face-mule 0.24 or later."
+			"Please install x-face-mule 0.25 or later."
 		      err))))))
 
 ;;;
-- 
1.7.10.4