First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/if_sniff.txt b/runtime/doc/if_sniff.txt
index e5c7715..567edc6 100644
--- a/runtime/doc/if_sniff.txt
+++ b/runtime/doc/if_sniff.txt
@@ -1,4 +1,4 @@
-*if_sniff.txt*	For Vim version 7.2.  Last change: 2005 Mar 29
+*if_sniff.txt*	For Vim version 7.3a.  Last change: 2005 Mar 29
 
 
 		  VIM REFERENCE MANUAL