--- a/postgrep	Tue Dec 08 16:41:07 2009 +0100
+++ b/postgrep	Fri Jan 22 17:11:08 2010 +0100
@@ -1,4 +1,6 @@
 #! /usr/bin/perl
+# © 2010 Heiko Schlittermann <hs@schlittermann.de>
+
 use strict;
 use warnings;
 use Date::Parse;