(isearch-lazy-highlight-new-loop): Don't invoke

highlighting if the search string is empty.

2 files changed, 9 insertions, 3 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index f3ccc6f6099..fddb16478f6 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-04  Richard M. Stallman  <rms@gnu.org>
+
+        * isearch.el (isearch-lazy-highlight-new-loop): Don't invoke
+        highlighting if the search string is empty.
+
 2004-09-04  Luc Teirlinck  <teirllm@auburn.edu>
 
         * facemenu.el (facemenu-active-faces): Change condition of inner
diff --git a/lisp/isearch.el b/lisp/isearch.el
index 9d1e56aaf6e..572553d816a 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -2362,9 +2362,10 @@ search string to change or the window to scroll)."
             isearch-lazy-highlight-case-fold-search isearch-case-fold-search
             isearch-lazy-highlight-regexp       isearch-regexp
             isearch-lazy-highlight-wrapped      nil)
-      (setq isearch-lazy-highlight-timer
-            (run-with-idle-timer isearch-lazy-highlight-initial-delay nil
-                                 'isearch-lazy-highlight-update)))))
+      (unless (equal isearch-string "")
+        (setq isearch-lazy-highlight-timer
+              (run-with-idle-timer isearch-lazy-highlight-initial-delay nil
+                                   'isearch-lazy-highlight-update))))))
 
 (defun isearch-lazy-highlight-search ()
   "Search ahead for the next or previous match, for lazy highlighting.