First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/usr_02.txt b/runtime/doc/usr_02.txt
index 9124c5c..2e49781 100644
--- a/runtime/doc/usr_02.txt
+++ b/runtime/doc/usr_02.txt
@@ -1,4 +1,4 @@
-*usr_02.txt*	For Vim version 7.2.  Last change: 2007 Feb 28
+*usr_02.txt*	For Vim version 7.3a.  Last change: 2007 Feb 28
 
 		     VIM USER MANUAL - by Bram Moolenaar