First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/runtime/doc/pi_gzip.txt b/runtime/doc/pi_gzip.txt
index 3c522ff..5d6774d 100644
--- a/runtime/doc/pi_gzip.txt
+++ b/runtime/doc/pi_gzip.txt
@@ -1,4 +1,4 @@
-*pi_gzip.txt*   For Vim version 7.2.  Last change: 2002 Oct 29
+*pi_gzip.txt*   For Vim version 7.3a.  Last change: 2002 Oct 29
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar