(isearch-quote-char): Fix handling of control

characters, copied from quoted-insert.

1 files changed, 9 insertions, 2 deletions

diff --git a/lisp/isearch.el b/lisp/isearch.el
index a0b269678bc..1547e7759b7 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -1164,8 +1164,15 @@ and the meta character is unread so that it applies to editing the string."
 (defun isearch-quote-char ()
   "Quote special characters for incremental search."
   (interactive)
-  (isearch-process-search-char (+ (read-quoted-char (isearch-message t))
-                                  nonascii-insert-offset)))
+  (let ((char (read-quoted-char (isearch-message t))))
+    ;; Assume character codes 0200 - 0377 stand for 
+    ;; European characters in Latin-1, and convert them
+    ;; to Emacs characters.
+    (and enable-multibyte-characters
+         (>= char ?\200)
+         (<= char ?\377)
+         (setq char (+ char nonascii-insert-offset)))
+    (isearch-process-search-char char)))
 
 (defun isearch-return-char ()
   "Convert return into newline for incremental search.