Remove Gnus compat names for mouse bindings

* lisp/gnus/gnus-ems.el (gnus-widget-button-keymap): Remove.
(gnus-down-mouse-2): Remove.
(gnus-down-mouse-3): Remove.

lisp/gnus/gnus-art.el

@@ -4899,8 +4899,8 @@ General format specifiers can also be used.  See Info node
 
 (defvar gnus-mime-button-map
   (let ((map (make-sparse-keymap)))
-    (define-key map gnus-mouse-2 'gnus-article-push-button)
-    (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
+    (define-key map [mouse-2] 'gnus-article-push-button)
+    (define-key map [down-mouse-3] 'gnus-mime-button-menu)
     (dolist (c gnus-mime-button-commands)
       (define-key map (cadr c) (car c)))
     map))
@@ -5909,10 +5909,10 @@ all parts."
 	   (setq help-echo-owns-message t))
        (format
 	"%S: %s the MIME part; %S: more options"
-	(aref gnus-mouse-2 0)
+	'mouse-2
 	(if (mm-handle-displayed-p (widget-get widget :mime-handle))
 	    "hide" "show")
-	(aref gnus-down-mouse-3 0))))))
+	'down-mouse-3)))))
 
 (defun gnus-widget-press-button (elems _el)
   (goto-char (widget-get elems :from))
@@ -6203,8 +6203,7 @@ If nil, don't show those extra buttons."
 	     article-type multipart
 	     rear-nonsticky t))
 	  (widget-convert-button 'link from (point)
-				 :action 'gnus-widget-press-button
-				 :button-keymap gnus-widget-button-keymap)
+				 :action 'gnus-widget-press-button)
 	  ;; Do the handles
 	  (while (setq handle (pop handles))
 	    (gnus-add-text-properties
@@ -6228,8 +6227,7 @@ If nil, don't show those extra buttons."
 	       gnus-data ,handle
 	       rear-nonsticky t))
 	    (widget-convert-button 'link from (point)
-				   :action 'gnus-widget-press-button
-				   :button-keymap gnus-widget-button-keymap)
+				   :action 'gnus-widget-press-button)
 	    (insert "  "))
 	  (insert "\n\n"))
 	(when preferred
@@ -8194,8 +8192,7 @@ url is put as the `gnus-button-url' overlay property on the button."
 	  (and data (list 'gnus-data data))))
   (widget-convert-button 'link from to :action 'gnus-widget-press-button
 			 :help-echo (or text "Follow the link")
-			 :keymap gnus-url-button-map
-			 :button-keymap gnus-widget-button-keymap))
+			 :keymap gnus-url-button-map))
 
 (defun gnus-article-copy-string ()
   "Copy the string in the button to the kill ring."
@@ -8500,13 +8497,13 @@ url is put as the `gnus-button-url' overlay property on the button."
 
 (defvar gnus-prev-page-map
   (let ((map (make-sparse-keymap)))
-    (define-key map gnus-mouse-2 'gnus-button-prev-page)
+    (define-key map [mouse-2] 'gnus-button-prev-page)
     (define-key map "\r" 'gnus-button-prev-page)
     map))
 
 (defvar gnus-next-page-map
   (let ((map (make-sparse-keymap)))
-    (define-key map gnus-mouse-2 'gnus-button-next-page)
+    (define-key map [mouse-2] 'gnus-button-next-page)
     (define-key map "\r" 'gnus-button-next-page)
     map))
 
@@ -8820,8 +8817,8 @@ For example:
 
 (defvar gnus-mime-security-button-map
   (let ((map (make-sparse-keymap)))
-    (define-key map gnus-mouse-2 'gnus-article-push-button)
-    (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
+    (define-key map [mouse-2] 'gnus-article-push-button)
+    (define-key map [down-mouse-3] 'gnus-mime-security-button-menu)
     (dolist (c gnus-mime-security-button-commands)
       (define-key map (cadr c) (car c)))
     map))
@@ -8971,8 +8968,8 @@ For example:
 	 (setq help-echo-owns-message t))
        (format
 	"%S: show detail; %S: more options"
-	(aref gnus-mouse-2 0)
-	(aref gnus-down-mouse-3 0))))))
+	'mouse-2
+	'down-mouse-3)))))
 
 (defun gnus-mime-display-security (handle)
   (save-restriction

lisp/gnus/gnus-bookmark.el

@@ -400,7 +400,7 @@ deletion, or > if it is flagged for displaying."
 	       (insert "\n")))
 	   `(mouse-face highlight follow-link t
 			help-echo ,(format "%s: go to this article"
-					   (aref gnus-mouse-2 0))))
+					   'mouse-2)))
 	(insert name "\n")))
     (goto-char (point-min))
     (forward-line 2)
@@ -463,7 +463,7 @@ That is, all information but the name."
   (define-key gnus-bookmark-bmenu-mode-map "s" 'gnus-bookmark-bmenu-save)
   (define-key gnus-bookmark-bmenu-mode-map "t" 'gnus-bookmark-bmenu-toggle-infos)
   (define-key gnus-bookmark-bmenu-mode-map "a" 'gnus-bookmark-bmenu-show-details)
-  (define-key gnus-bookmark-bmenu-mode-map gnus-mouse-2
+  (define-key gnus-bookmark-bmenu-mode-map [mouse-2]
     'gnus-bookmark-bmenu-select-by-mouse))
 
 ;; Bookmark Buffer Menu mode is suitable only for specially formatted
@@ -561,7 +561,7 @@ Optional argument SHOW means show them unconditionally."
 	   `(mouse-face highlight
 	     follow-link t
 	     help-echo ,(format "%s: go to this article"
-				(aref gnus-mouse-2 0))))))))
+				'mouse-2)))))))
 
 (defun gnus-bookmark-kill-line (&optional newline-too)
   "Kill from point to end of line.
@@ -611,7 +611,7 @@ Does not affect the kill ring."
 			 follow-link t
 			 help-echo
 			 ,(format "%s: go to this bookmark in other window"
-				  (aref gnus-mouse-2 0))))))
+				  'mouse-2)))))
                 (setq gnus-bookmark-bmenu-hidden-bookmarks
                       (cdr gnus-bookmark-bmenu-hidden-bookmarks))
                 (forward-line 1))))))))

lisp/gnus/gnus-ems.el

@@ -28,13 +28,6 @@
   (require 'cl)
   (require 'ring))
 
-;;; Function aliases later to be redefined for XEmacs usage.
-
-(defvar gnus-mouse-2 [mouse-2])
-(defvar gnus-down-mouse-3 [down-mouse-3])
-(defvar gnus-down-mouse-2 [down-mouse-2])
-(defvar gnus-widget-button-keymap nil)
-
 (provide 'gnus-ems)
 
 ;;; gnus-ems.el ends here

lisp/gnus/gnus-group.el

@@ -632,7 +632,7 @@ simple manner.")
   "\C-c\C-i" gnus-info-find-node
   "\M-e" gnus-group-edit-group-method
   "^" gnus-group-enter-server-mode
-  gnus-mouse-2 gnus-mouse-pick-group
+  [mouse-2] gnus-mouse-pick-group
   [follow-link] 'mouse-face
   "<" beginning-of-buffer
   ">" end-of-buffer

lisp/gnus/gnus-icalendar.el

@@ -770,8 +770,7 @@ These will be used to retrieve the RSVP information from ical events."
        face ,gnus-article-button-face
        gnus-data ,data))
     (widget-convert-button 'link start (point)
-                           :action 'gnus-widget-press-button
-                           :button-keymap gnus-widget-button-keymap)))
+                           :action 'gnus-widget-press-button)))
 
 (defun gnus-icalendar-send-buffer-by-mail (buffer-name subject)
   (let ((message-signature nil))

lisp/gnus/gnus-salt.el

@@ -76,7 +76,7 @@ It accepts the same format specs that `gnus-summary-line-format' does."
       " " gnus-pick-next-page
       "u" gnus-pick-unmark-article-or-thread
       "." gnus-pick-article-or-thread
-      gnus-down-mouse-2 gnus-pick-mouse-pick-region
+      [down-mouse-2] gnus-pick-mouse-pick-region
       "\r" gnus-pick-start-reading)
     map))
 
@@ -458,7 +458,7 @@ Two predefined functions are available:
     (gnus-define-keys
         map
       "\r" gnus-tree-select-article
-      gnus-mouse-2 gnus-tree-pick-article
+      [mouse-2] gnus-tree-pick-article
       "\C-?" gnus-tree-read-summary-keys
       "h" gnus-tree-show-summary
 

lisp/gnus/gnus-srvr.el

@@ -156,7 +156,7 @@ If nil, a faster, but more primitive, buffer is used instead."
   (gnus-define-keys gnus-server-mode-map
     " " gnus-server-read-server-in-server-buffer
     "\r" gnus-server-read-server
-    gnus-mouse-2 gnus-server-pick-server
+    [mouse-2] gnus-server-pick-server
     "q" gnus-server-exit
     "l" gnus-server-list-servers
     "k" gnus-server-kill-server

lisp/gnus/gnus-sum.el

@@ -1936,7 +1936,7 @@ increase the score of each group you read."
   "q" gnus-summary-exit
   "Q" gnus-summary-exit-no-update
   "\C-c\C-i" gnus-info-find-node
-  gnus-mouse-2 gnus-mouse-pick-article
+  [mouse-2] gnus-mouse-pick-article
   [follow-link] mouse-face
   "m" gnus-summary-mail-other-window
   "a" gnus-summary-post-news

lisp/gnus/gnus-topic.el

@@ -1065,7 +1065,7 @@ articles in the topic and its subtopics."
     [(meta tab)] gnus-topic-unindent
     "\C-i" gnus-topic-indent
     "\M-\C-i" gnus-topic-unindent
-    gnus-mouse-2 gnus-mouse-pick-topic)
+    [mouse-2] gnus-mouse-pick-topic)
 
   ;; Define a new submap.
   (gnus-define-keys (gnus-group-topic-map "T" gnus-group-mode-map)

lisp/gnus/gnus.el

@@ -3026,7 +3026,7 @@ See Info node `(gnus)Formatting Variables'."
 
 (defun gnus-suppress-keymap (keymap)
   (suppress-keymap keymap)
-  (let ((keys `([delete] "\177" "\M-u"))) ;gnus-mouse-2
+  (let ((keys `([delete] "\177" "\M-u"))) ;[mouse-2]
     (while keys
       (define-key keymap (pop keys) 'undefined))))
 

lisp/gnus/mml.el

@@ -50,7 +50,6 @@
 (autoload 'message-mail-p         "message")
 
 (defvar gnus-article-mime-handles)
-(defvar gnus-mouse-2)
 (defvar gnus-newsrc-hashtb)
 (defvar message-default-charset)
 (defvar message-deletable-headers)
@@ -1602,7 +1601,7 @@ or the `pop-to-buffer' function."
 		     (lambda ()
 		       (interactive)
 		       (widget-button-press (point))))
-      (local-set-key gnus-mouse-2
+      (local-set-key [mouse-2]
 		     (lambda (event)
 		       (interactive "@e")
 		       (widget-button-press (widget-event-point event) event)))