First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
index 4549300..d8a789a 100644
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1,4 +1,4 @@
-*index.txt*     For Vim version 7.2.  Last change: 2009 Jul 01
+*index.txt*     For Vim version 7.3a.  Last change: 2009 Jul 01
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar