Update timestamps for recently changed help files.
diff --git a/runtime/doc/mbyte.txt b/runtime/doc/mbyte.txt
index 52a4c7c..381c7f9 100644
--- a/runtime/doc/mbyte.txt
+++ b/runtime/doc/mbyte.txt
@@ -1,4 +1,4 @@
-*mbyte.txt*     For Vim version 7.3b.  Last change: 2009 Nov 17
+*mbyte.txt*     For Vim version 7.3b.  Last change: 2010 Jul 20
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar et al.