[Emacs-diffs] Changes to emacs/lisp/isearch.el,v

[Stefan Monnier]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Stefan Monnier <monnier>        07/01/17 13:20:48

Index: isearch.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/isearch.el,v
retrieving revision 1.292
retrieving revision 1.293
diff -u -b -r1.292 -r1.293
--- isearch.el  1 Jan 2007 21:48:59 -0000       1.292
+++ isearch.el  17 Jan 2007 13:20:47 -0000      1.293
@@ -1,7 +1,7 @@
 ;;; isearch.el --- incremental search minor mode
 
 ;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
-;;   2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+;;   2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
 
 ;; Author: Daniel LaLiberte <address@hidden>
 ;; Maintainer: FSF
@@ -2235,7 +2235,18 @@
              (setq found t))
          (setq quote-flag nil)))
       (setq i (1+ i)))
-    (not found)))
+    (not (or found
+             ;; Even if there's no uppercase char, we want to detect the use
+             ;; of [:upper:] or [:lower:] char-class, which indicates
+             ;; clearly that the user cares about case distinction.
+             (and regexp-flag (string-match "\\[:\\(upp\\|low\\)er:]" string)
+                  (condition-case err
+                      (progn
+                        (string-match (substring string 0 (match-beginning 0))
+                                      "")
+                        nil)
+                    (invalid-regexp
+                     (equal "Unmatched [ or [^" (cadr err)))))))))
 
 ;; Portability functions to support various Emacs versions.