close search and replace dialog after it is used (closes #17625)

Lib/idlelib/ReplaceDialog.py

@@ -123,6 +123,7 @@ class ReplaceDialog(SearchDialogBase):
         text.undo_block_stop()
         if first and last:
             self.show_hit(first, last)
+        self.close()
 
     def do_find(self, ok=0):
         if not self.engine.getprog():

Misc/NEWS

@@ -12,6 +12,11 @@ Build
 
 - Issue #17550: Fix the --enable-profiling configure switch.
 
+Library
+-------
+
+- Issue #17625: In IDLE, close the replace dialog after it is used.
+
 
 What's New in Python 3.3.1 release candidate 1?
 ===============================================