* indent.el (indent-region): Deactivate region (bug#6200).

lisp/ChangeLog

+2010-05-19  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* indent.el (indent-region): Deactivate region (bug#6200).
+
 2010-05-19  Glenn Morris  <rgm@gnu.org>
 
 	* vc-dir.el (vc-dir): Don't pop-up-windows.  (Bug#6204)

lisp/indent.el

@@ -431,7 +431,11 @@ column to indent to; if it is nil, use one of the three methods above."
 	(or (eolp)
 	    (indent-to column 0))
 	(forward-line 1))
-      (move-marker end nil))))
+      (move-marker end nil)))
+  ;; In most cases, reindenting modifies the buffer, but it may also
+  ;; leave it unmodified, in which case we have to deactivate the mark
+  ;; by hand.
+  (deactivate-mark))
 
 (defun indent-relative-maybe ()
   "Indent a new line like previous nonblank line.