* lisp/dired.el (dired-read-regexp): Make obsolete. [Backport]

(dired-mark-files-regexp, dired-mark-files-containing-regexp)
(dired-flag-files-regexp):
* lisp/dired-aux.el (dired-mark-read-regexp):
* lisp/dired-x.el (dired-mark-unmarked-files): Use read-regexp directly.

lisp/ChangeLog

+2014-10-20  Glenn Morris  <rgm@gnu.org>
+
+	* dired.el (dired-read-regexp): Make obsolete.
+	(dired-mark-files-regexp, dired-mark-files-containing-regexp)
+	(dired-flag-files-regexp):
+	* dired-aux.el (dired-mark-read-regexp):
+	* dired-x.el (dired-mark-unmarked-files): Use read-regexp directly.
+
 2014-10-20  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* progmodes/python.el (inferior-python-mode): Use add-hook.

lisp/dired-aux.el

 ;;; dired-aux.el --- less commonly used parts of dired
 
-;; Copyright (C) 1985-1986, 1992, 1994, 1998, 2000-2014 Free Software
-;; Foundation, Inc.
+;; Copyright (C) 1985-1986, 1992, 1994, 1998, 2000-2014
+;;   Free Software Foundation, Inc.
 
 ;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>.
 ;; Maintainer: emacs-devel@gnu.org
@@ -1921,8 +1921,9 @@ Type SPC or `y' to %s one match, DEL or `n' to skip to next,
 	 (arg
 	  (if whole-name nil current-prefix-arg))
 	 (regexp
-	  (dired-read-regexp
-	   (concat (if whole-name "Abs. " "") operation " from (regexp): ")))
+	  (read-regexp
+	   (concat (if whole-name "Abs. " "") operation " from (regexp): ")
+	   nil 'dired-regexp-history))
 	 (newname
 	  (read-string
 	   (concat (if whole-name "Abs. " "") operation " " regexp " to: "))))

lisp/dired-x.el

 ;;; dired-x.el --- extra Dired functionality  -*- lexical-binding:t -*-
 
-;; Copyright (C) 1993-1994, 1997, 2001-2014 Free Software Foundation,
-;; Inc.
+;; Copyright (C) 1993-1994, 1997, 2001-2014 Free Software Foundation, Inc.
 
 ;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>
 ;;	Lawrence R. Dodd <dodd@roebling.poly.edu>
@@ -556,8 +555,9 @@ interactively, prompt for REGEXP.
 With prefix argument, unflag all those files.
 Optional fourth argument LOCALP is as in `dired-get-filename'."
   (interactive
-   (list (dired-read-regexp
-	  "Mark unmarked files matching regexp (default all): ")
+   (list (read-regexp
+	  "Mark unmarked files matching regexp (default all): "
+          nil 'dired-regexp-history)
 	 nil current-prefix-arg nil))
   (let ((dired-marker-char (if unflag-p ?\s dired-marker-char)))
     (dired-mark-if

lisp/dired.el

 ;;; dired.el --- directory-browsing commands -*- lexical-binding: t -*-
 
-;; Copyright (C) 1985-1986, 1992-1997, 2000-2014 Free Software
-;; Foundation, Inc.
+;; Copyright (C) 1985-1986, 1992-1997, 2000-2014
+;;   Free Software Foundation, Inc.
 
 ;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>
 ;; Maintainer: emacs-devel@gnu.org
@@ -3302,6 +3302,7 @@ As always, hidden subdirs are not affected."
 
 (defun dired-read-regexp (prompt &optional default history)
   "Read a regexp using `read-regexp'."
+  (declare (obsolete read-regexp "24.5"))
   (read-regexp prompt default (or history 'dired-regexp-history)))
 
 (defun dired-mark-files-regexp (regexp &optional marker-char)
@@ -3312,8 +3313,9 @@ A prefix argument means to unmark them instead.
 REGEXP is an Emacs regexp, not a shell wildcard.  Thus, use `\\.o$' for
 object files--just `.o' will mark more than you might think."
   (interactive
-   (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
-				    " files (regexp): "))
+   (list (read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
+                              " files (regexp): ")
+                      nil 'dired-regexp-history)
 	 (if current-prefix-arg ?\040)))
   (let ((dired-marker-char (or marker-char dired-marker-char)))
     (dired-mark-if
@@ -3328,8 +3330,9 @@ object files--just `.o' will mark more than you might think."
 A prefix argument means to unmark them instead.
 `.' and `..' are never marked."
   (interactive
-   (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
-				    " files containing (regexp): "))
+   (list (read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
+                              " files containing (regexp): ")
+                      nil 'dired-regexp-history)
 	 (if current-prefix-arg ?\040)))
   (let ((dired-marker-char (or marker-char dired-marker-char)))
     (dired-mark-if
@@ -3359,7 +3362,8 @@ A prefix argument means to unmark them instead.
 The match is against the non-directory part of the filename.  Use `^'
   and `$' to anchor matches.  Exclude subdirs by hiding them.
 `.' and `..' are never flagged."
-  (interactive (list (dired-read-regexp "Flag for deletion (regexp): ")))
+  (interactive (list (read-regexp "Flag for deletion (regexp): "
+                                  nil 'dired-regexp-history)))
   (dired-mark-files-regexp regexp dired-del-marker))
 
 (defun dired-mark-symlinks (unflag-p)