Auto-commit of loaddefs files.

[gnu-emacs] / lisp / isearch.el

diff --git a/lisp/isearch.el b/lisp/isearch.el
index 1bb08d1ebb43bdbb7bfee5f86c4ef8080fd43ea5..7f018ab14c761265b25b35bf2a869c9db1c53060 100644 (file)
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -1062,6 +1062,22 @@ nonincremental search instead via `isearch-edit-string'."
 
 (defvar minibuffer-history-symbol) ;; from external package gmhist.el
 
+(defun isearch-fail-pos ()
+  "Position of first mismatch in search string, or its length if none."
+  (let ((cmds isearch-cmds))
+    (if (and isearch-success (not isearch-error))
+        (length isearch-message)
+      (while (or (not (isearch-success-state (car cmds)))
+                 (isearch-error-state (car cmds)))
+        (pop cmds))
+      (let ((succ-msg (and cmds (isearch-message-state (car cmds)))))
+        (if (and (stringp succ-msg)
+                 (< (length succ-msg) (length isearch-message))
+                 (equal succ-msg
+                        (substring isearch-message 0 (length succ-msg))))
+            (length succ-msg)
+          0)))))
+
 (defun isearch-edit-string ()
   "Edit the search string in the minibuffer.
 The following additional command keys are active while editing.
@@ -1141,7 +1157,7 @@ If first char entered is \\[isearch-yank-word-or-char], then do word search inst
                (setq isearch-new-string
                       (read-from-minibuffer
                        (isearch-message-prefix nil nil isearch-nonincremental)
-                       isearch-string
+                        (cons isearch-string (1+ (isearch-fail-pos)))
                        minibuffer-local-isearch-map nil
                        (if isearch-regexp
                           (cons 'regexp-search-ring