First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/mbyte.txt b/runtime/doc/mbyte.txt
index 164b4b7..416cbbd 100644
--- a/runtime/doc/mbyte.txt
+++ b/runtime/doc/mbyte.txt
@@ -1,4 +1,4 @@
-*mbyte.txt*     For Vim version 7.2.  Last change: 2009 Nov 17
+*mbyte.txt*     For Vim version 7.3a.  Last change: 2009 Nov 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar et al.