Index: trunk/pstamp/scripts/pstamp_parser_run.pl
===================================================================
--- trunk/pstamp/scripts/pstamp_parser_run.pl	(revision 35364)
+++ trunk/pstamp/scripts/pstamp_parser_run.pl	(revision 35366)
@@ -158,4 +158,6 @@
 my $request_fault = $PSTAMP_INVALID_REQUEST;
 
+# default action is to process the request after parsing. This can be overridden by
+# PREVIEW mode for pstamp requests
 my $action = 'PROCESS';
 
@@ -242,4 +244,6 @@
 
     if ($success) {
+        # XXX: This bit of the postage stamp request API has slipped in here because we need to control
+        # the new state of the request
         if ($action eq 'PROCESS') {
             $newState = 'run';
@@ -291,4 +295,6 @@
         my ($dummy, $extname, $action) = split " ", $out;
 
+        # Set the action if it is defined in the request header
+        # XXX:consider doing this only if extname is PS1_PS_REQUSET
         $$r_action = $action if ($action);