X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fgnus-compat.el;h=80e3113ecac177fc6e615ab6c64a54469e480554;hb=3bfc0af5c92752b2388a237510187be53d6bb2e7;hp=cc0bd456eb6a3c81319ebd02cae8d5a221a594ac;hpb=9fd82949bb69b002e2ff057f2a4e61c77261d1fc;p=gnus

diff --git a/lisp/gnus-compat.el b/lisp/gnus-compat.el
index cc0bd456e..80e3113ec 100644
--- a/lisp/gnus-compat.el
+++ b/lisp/gnus-compat.el
@@ -1,6 +1,6 @@
 ;;; gnus-compat.el --- Compatability functions for Gnus
 
-;; Copyright (C) 2012 Free Software Foundation, Inc.
+;; Copyright (C) 2012-2013g Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: compat
@@ -77,6 +77,7 @@ TRASH is ignored."
       (delete-directory directory))))
 
 ;; Emacs 24.0.93
+(require 'url)
 (when (= (length (help-function-arglist 'url-retrieve)) 5)
   (defvar gnus-compat-original-url-retrieve
     (symbol-function 'url-retrieve))
@@ -85,6 +86,49 @@ TRASH is ignored."
     (funcall gnus-compat-original-url-retrieve
 	     url callback cbargs silent)))
 
+;; XEmacs
+(when (and (not (fboundp 'timer-set-function))
+	   (fboundp 'set-itimer-function))
+  (defun timer-set-function (timer function &optional args)
+    "Make TIMER call FUNCTION with optional ARGS when triggering."
+    (lexical-let ((function function)
+		  (args args))
+      (set-itimer-function timer
+			   (lambda (process status)
+			     (apply function process status args))))))
+
+;; XEmacs 21.4
+(unless (fboundp 'bound-and-true-p)
+  (defmacro bound-and-true-p (var)
+    "Return the value of symbol VAR if it is bound, else nil."
+    (and (boundp var)
+	 (symbol-value var))))
+
+
+;; Emacs less than 24.3
+(unless (fboundp 'add-face)
+  (defun add-face (beg end face)
+    "Combine FACE BEG and END."
+    (let ((b beg))
+      (while (< b end)
+	(let ((oldval (get-text-property b 'face)))
+	  (put-text-property
+	   b (setq b (next-single-property-change b 'face nil end))
+	   'face (cond ((null oldval)
+			face)
+		       ((and (consp oldval)
+			     (not (keywordp (car oldval))))
+			(cons face oldval))
+		       (t
+			(list face oldval)))))))))
+
+(unless (fboundp 'move-beginning-of-line)
+  (defun move-beginning-of-line (arg)
+    (interactive "p")
+    (unless (= arg 1)
+      (forward-line arg))
+    (beginning-of-line)))
+
 (provide 'gnus-compat)
 
 ;; gnus-compat.el ends here