First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/debug.txt b/runtime/doc/debug.txt
index 654d89b..5593902 100644
--- a/runtime/doc/debug.txt
+++ b/runtime/doc/debug.txt
@@ -1,4 +1,4 @@
-*debug.txt*     For Vim version 7.2.  Last change: 2009 Jul 22
+*debug.txt*     For Vim version 7.3a.  Last change: 2009 Jul 22
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar