X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/8f50130c565eaf0ad7c49e4ad044c3291ecdfa71..c1ade6f79b74e611b15115736b91ef0e529f8fca:/lisp/loadhist.el

diff --git a/lisp/loadhist.el b/lisp/loadhist.el
index 51df6ecff0..b9b356c405 100644
--- a/lisp/loadhist.el
+++ b/lisp/loadhist.el
@@ -1,9 +1,9 @@
 ;;; loadhist.el --- lisp functions for working with feature groups
 
-;; Copyright (C) 1995, 1998, 2000-2011 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1998, 2000-2014 Free Software Foundation, Inc.
 
 ;; Author: Eric S. Raymond <esr@snark.thyrsus.com>
-;; Maintainer: FSF
+;; Maintainer: emacs-devel@gnu.org
 ;; Keywords: internal
 
 ;; This file is part of GNU Emacs.
@@ -29,8 +29,6 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl))
-
 (defun feature-symbols (feature)
   "Return the file and list of definitions associated with FEATURE.
 The value is actually the element of `load-history'
@@ -103,14 +101,10 @@ A library name is equivalent to the file name that `load-library' would load."
   "Read feature name from the minibuffer, prompting with string PROMPT.
 If optional second arg LOADED-P is non-nil, the feature must be loaded
 from a file."
-  (intern
-   (completing-read prompt
-		    (cons nil features)
-		    (and loaded-p
-			 #'(lambda (f)
-			     (and f	; ignore nil
-				  (feature-file f))))
-		    loaded-p)))
+  (intern (completing-read prompt
+			   features
+			   (and loaded-p #'feature-file)
+			   loaded-p)))
 
 (defvaralias 'loadhist-hook-functions 'unload-feature-special-hooks)
 (defvar unload-feature-special-hooks
@@ -143,20 +137,20 @@ These are symbols with hooklike values whose names don't end in
 `-hook' or `-hooks', from which `unload-feature' should try to remove
 pertinent symbols.")
 
+(define-obsolete-variable-alias 'unload-hook-features-list
+    'unload-function-defs-list "22.2")
 (defvar unload-function-defs-list nil
   "List of definitions in the Lisp library being unloaded.
 
 This is meant to be used by `FEATURE-unload-function'; see the
 documentation of `unload-feature' for details.")
-(define-obsolete-variable-alias 'unload-hook-features-list
-    'unload-function-defs-list "22.2")
 
 (defun unload--set-major-mode ()
   (save-current-buffer
     (dolist (buffer (buffer-list))
       (set-buffer buffer)
       (let ((proposed major-mode))
-        ;; Look for an antecessor mode not defined in the feature we're processing
+        ;; Look for a predecessor mode not defined in the feature we're processing
         (while (and proposed (rassq proposed unload-function-defs-list))
           (setq proposed (get proposed 'derived-mode-parent)))
         (unless (eq proposed major-mode)
@@ -254,11 +248,11 @@ something strange, such as redefining an Emacs function."
 
       (dolist (x unload-function-defs-list)
 	(if (consp x)
-	    (case (car x)
+	    (pcase (car x)
 	      ;; Remove any feature names that this file provided.
-	      (provide
+	      (`provide
 	       (setq features (delq (cdr x) features)))
-	      ((defun autoload)
+	      ((or `defun `autoload)
 	       (let ((fun (cdr x)))
 		 (when (fboundp fun)
 		   (when (fboundp 'ad-unadvise)
@@ -270,9 +264,9 @@ something strange, such as redefining an Emacs function."
 	      ;; (t . SYMBOL) comes before (defun . SYMBOL)
 	      ;; and says we should restore SYMBOL's autoload
 	      ;; when we undefine it.
-	      ((t) (setq restore-autoload (cdr x)))
-	      ((require defface) nil)
-	      (t (message "Unexpected element %s in load-history" x)))
+	      (`t (setq restore-autoload (cdr x)))
+	      ((or `require `defface) nil)
+	      (_ (message "Unexpected element %s in load-history" x)))
 	  ;; Kill local values as much as possible.
 	  (dolist (buf (buffer-list))
 	    (with-current-buffer buf