Index: trunk/pstamp/src/pstamp.h
===================================================================
--- trunk/pstamp/src/pstamp.h	(revision 26141)
+++ trunk/pstamp/src/pstamp.h	(revision 26242)
@@ -3,5 +3,8 @@
 
 // error codes returned to users in results flie
-// These must match the values in  PS-IPP-PStamp/lib/PS/IPP/PStamp/RequestFile.pm
+// PS-IPP-PStamp::RequestFile
+// These must match the values in the perl module PS-IPP-PStamp::RequestFile
+// i.e. PS-IPP-PStamp/lib/PS/IPP/PStamp/RequestFile.pm
+
 typedef enum {
         PSTAMP_SUCCESS          = 0,
@@ -21,8 +24,14 @@
 
 
-#define PSTAMP_SELECT_IMAGE  1
-#define PSTAMP_SELECT_MASK   2
-#define PSTAMP_SELECT_WEIGHT 4
+// values for options mask.
+#define PSTAMP_SELECT_IMAGE      1
+#define PSTAMP_SELECT_MASK       2
+#define PSTAMP_SELECT_WEIGHT     4
+#define PSTAMP_SELECT_CMF        8
+#define PSTAMP_SELECT_PSF       16
+#define PSTAMP_SELECT_BACKMDL   32
 #define PSTAMP_SELECT_INVERSE 1024
+
+#define PSTAMP_WAIT_FOR_UPDATE 2048
 
 #define PSTAMP_CENTER_IN_PIXELS 1
@@ -35,3 +44,5 @@
 #define STAMP_RESULTS_VERSION "1"
 
+// end of values tha must match PS-IPP-PStamp::RequestFile
+
 #endif