From 7f926db64f6b068ebd606995ac563052d7852416 Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Mon, 24 Feb 2003 03:02:28 +0000
Subject: [PATCH] Synch to Oort Gnus.

---
 lisp/ChangeLog        |    8 ++++++++
 lisp/gnus-art.el      |   20 ++++++++++++++++++--
 lisp/gnus-registry.el |    7 +++++++
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 7f8bc0b..c1c86d4 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,11 @@
+2003-02-24  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+	* gnus-art.el (popup-menu): Compiler macro for Emacs 20.
+	(gnus-article-refer-article): Use gnus-point-at-(b|e)ol instead of
+	point-at-(b|e)ol which aren't available in Emacs 20.
+
+	* gnus-registry.el (puthash): Alias to cl-puthash for Emacs 20.
+
 2002-02-23  Kevin Greiner  <kgreiner@xpediantsolutions.com>
 
 	* gnus-start.el (gnus-activate-group): Re-enabled the catch error
diff --git a/lisp/gnus-art.el b/lisp/gnus-art.el
index bd7499a..ec2b44a 100644
--- a/lisp/gnus-art.el
+++ b/lisp/gnus-art.el
@@ -4104,6 +4104,22 @@ General format specifiers can also be used.  See Info node
     ,@(mapcar (lambda (c)
 		(vector (caddr c) (car c) :enable t)) gnus-mime-button-commands)))
 
+(eval-when-compile
+  (define-compiler-macro popup-menu (&whole form
+					    menu &optional position prefix)
+    (if (and (fboundp 'popup-menu)
+	     (not (memq 'popup-menu (assoc "lmenu" load-history))))
+	form
+      ;; Gnus is probably running under Emacs 20.
+      `(let* ((menu (cdr ,menu))
+	      (response (x-popup-menu
+			 t (list (car menu)
+				 (cons "" (mapcar (lambda (c)
+						    (cons (caddr c) (car c)))
+						  (cdr menu)))))))
+	 (if response
+	     (call-interactively (nth 3 (assq response menu))))))))
+
 (defun gnus-mime-button-menu (event prefix)
  "Construct a context-sensitive menu of MIME commands."
  (interactive "e\nP")
@@ -5153,9 +5169,9 @@ not have a face in `gnus-article-boring-faces'."
   "Read article specified by message-id around point."
   (interactive)
   (save-excursion
-    (re-search-backward "<?news:\\|<" (point-at-bol) t)
+    (re-search-backward "<?news:\\|<" (gnus-point-at-bol) t)
     (cond ((re-search-forward
-	    gnus-button-mid-or-mail-regexp (point-at-eol) t)
+	    gnus-button-mid-or-mail-regexp (gnus-point-at-eol) t)
 	    (let ((msg-id (concat "<" (match-string 0) ">")))
 	      (set-buffer gnus-summary-buffer)
 	      (gnus-summary-refer-article msg-id)))
diff --git a/lisp/gnus-registry.el b/lisp/gnus-registry.el
index 7aab355..6c11631 100644
--- a/lisp/gnus-registry.el
+++ b/lisp/gnus-registry.el
@@ -45,6 +45,13 @@
 ;; (maphash (lambda (key value) (message "key: %s value: %s" key value)) gnus-registry-hashtb)
 ;; (clrhash gnus-registry-hashtb)
 
+;; Function(s) missing in Emacs 20
+(when (memq nil (mapcar 'fboundp '(puthash)))
+  (require 'cl)
+  (unless (fboundp 'puthash)
+    ;; alias puthash is missing from Emacs 20 cl-extra.el
+    (defalias 'puthash 'cl-puthash)))
+
 (defun gnus-register-action (action data-header from &optional to method)
   (let* ((id (mail-header-id data-header))
 	(hash-entry (gethash id gnus-registry-hashtb)))
-- 
1.7.10.4