First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/usr_03.txt b/runtime/doc/usr_03.txt
index 30a6eea..8663758 100644
--- a/runtime/doc/usr_03.txt
+++ b/runtime/doc/usr_03.txt
@@ -1,4 +1,4 @@
-*usr_03.txt*	For Vim version 7.2.  Last change: 2006 Jun 21
+*usr_03.txt*	For Vim version 7.3a.  Last change: 2006 Jun 21
 
 		     VIM USER MANUAL - by Bram Moolenaar