Fix Bug#22557

[gnu-emacs] / lisp / replace.el

diff --git a/lisp/replace.el b/lisp/replace.el
index 54b3a71bda29e0ba820e0e59d8f223abd0738a2d..dfe8cd739a2ae3fe4968202df49dd36ea9c0b4da 100644 (file)
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -1,6 +1,6 @@
 ;;; replace.el --- replace commands for Emacs
 
-;; Copyright (C) 1985-1987, 1992, 1994, 1996-1997, 2000-2015 Free
+;; Copyright (C) 1985-1987, 1992, 1994, 1996-1997, 2000-2016 Free
 ;; Software Foundation, Inc.
 
 ;; Maintainer: emacs-devel@gnu.org
@@ -85,7 +85,7 @@ from Isearch by using a key sequence like `C-s C-s M-%'." "24.3")
   ;; while preparing to dump, also stops customize-rogue listing this.
   :initialize 'custom-initialize-delay
   :group 'matching
-  :type 'sexp
+  :type '(choice string (sexp :tag "Display specification"))
   :version "25.1")
 
 (defcustom query-replace-from-history-variable 'query-replace-history
@@ -2011,6 +2011,9 @@ passed in.  If LITERAL is set, no checking is done, anyway."
   (when backward (goto-char (nth 0 match-data)))
   noedit)
 
+(defvar replace-update-post-hook nil
+  "Function(s) to call after query-replace has found a match in the buffer.")
+
 (defvar replace-search-function nil
   "Function to use when searching for strings to replace.
 It is used by `query-replace' and `replace-string', and is called
@@ -2264,7 +2267,7 @@ It must return a string."
                (and nonempty-match
                     (or (not regexp-flag)
                         (and (if backward
-                                 (looking-back search-string)
+                                 (looking-back search-string nil)
                                (looking-at search-string))
                              (let ((match (match-data)))
                                (and (/= (nth 0 match) (nth 1 match))
@@ -2318,7 +2321,8 @@ It must return a string."
                ;; `real-match-data'.
                (while (not done)
                  (set-match-data real-match-data)
-                 (replace-highlight
+                  (run-hooks 'replace-update-post-hook) ; Before `replace-highlight'.
+                  (replace-highlight
                   (match-beginning 0) (match-end 0)
                   start end search-string
                   regexp-flag delimited-flag case-fold-search backward)