Index: trunk/psModules/src/imcombine/pmSubtractionMatch.h
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 17297)
+++ trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 17783)
@@ -12,5 +12,6 @@
 #define PM_SUBTRACTION_ANALYSIS_MODE "SUBTRACTION.MODE" // Name of subtraction mode in the analysis metadata
 #define PM_SUBTRACTION_ANALYSIS_REGION "SUBTRACTION.REGION" // Name of subtraction region in the analysis MD
-
+#define PM_SUBTRACTION_ANALYSIS_STAMPS_RMS "SUBTRACTION.RMS" // Name of stamp rms in the analysis metadata
+#define PM_SUBTRACTION_ANALYSIS_STAMPS_NUM "SUBTRACTION.NUM"// Name of the number of stamps in the analysis MD
 
 /// Match two images
@@ -45,5 +46,5 @@
                         psMaskType maskBlank, ///< Mask for blank region
                         float badFrac,   ///< Maximum fraction of bad input pixels to accept
-                        pmSubtractionMode mode ///< Mode of subtraction
+                        pmSubtractionMode mode ///< Mode of subtraction; may be modified
     );