From: morioka <morioka>
Date: Sun, 25 Oct 1998 18:16:43 +0000 (+0000)
Subject: (eval-after-load): New function.
X-Git-Tag: apel-9_6~8
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e581bd965e47917b94c554f5ff31af0d93c282d;p=elisp%2Fapel.git

(eval-after-load): New function.
---

diff --git a/poe-xemacs.el b/poe-xemacs.el
index 5c2f28b..3391278 100644
--- a/poe-xemacs.el
+++ b/poe-xemacs.el
@@ -83,7 +83,41 @@
 	(concat ancestor (substring filename (match-end 0)))))
     )
 
-    
+
+;;; @ for anything older than XEmacs 20.2
+;;;
+
+;; eval-after-load is not defined in XEmacs but after-load-alist is
+;; usable.  See subr.el in XEmacs.
+
+(defun-maybe eval-after-load (file form)
+  "Arrange that, if FILE is ever loaded, FORM will be run at that time.
+This makes or adds to an entry on `after-load-alist'.
+If FILE is already loaded, evaluate FORM right now.
+It does nothing if FORM is already on the list for FILE.
+FILE should be the name of a library, with no directory name."
+  ;; Make sure there is an element for FILE.
+  (or (assoc file after-load-alist)
+      (setq after-load-alist (cons (list file) after-load-alist)))
+  ;; Add FORM to the element if it isn't there.
+  (let ((elt (assoc file after-load-alist)))
+    (or (member form (cdr elt))
+	(progn
+	  (nconc elt (list form))
+	  ;; If the file has been loaded already, run FORM right away.
+	  (and (assoc file load-history)
+	       (eval form)))))
+  form)
+
+;; (defun-maybe eval-after-load (file form)
+;;   (or (assoc file after-load-alist)
+;;       (setq after-load-alist (cons (list file) after-load-alist)))
+;;   (let ((elt (assoc file after-load-alist)))
+;;     (or (member form (cdr elt))
+;;         (nconc elt (list form))))
+;;   form)
+
+
 ;;; @ Emacs 20.3 emulation
 ;;;