First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index ecc992d..8ac05b0 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 7.2.  Last change: 2009 Nov 04
+*map.txt*       For Vim version 7.3a.  Last change: 2009 Nov 04
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar